The PACCAR MX-13 engine continued to evolve between 2013 and 2016, delivering better emissions performance, fuel economy, and reliability for heavy-duty fleets. With improved calibration, sensor systems, and compliance with EPA 2013 emissions standards, this version of the MX-13 became a popular choice for long-haul and vocational applications.

Equipped with SCR, DPF, and common rail fuel injection, these engines rely on electronic fault codes to help identify issues early. Quick access to those codes and their meanings can save time, reduce downtime, and keep your trucks on the road.

PACCAR MX-13 (2013–2016) Overview

  • Displacement: 12.9L
  • Horsepower Range: 405–510 HP
  • Torque: Up to 1,850 lb-ft
  • Emissions System: SCR + DPF
  • Fuel System: Common Rail
  • Applications: Peterbilt 579, Kenworth T680, and other Class 8 models

🔗 Get FREE Fault Code Information for all makes and models in Diesel Repair → Diesel Repair

Fault Codes for PACCAR MX-13 (2013–2016)

Below is a full list of fault codes for PACCAR MX-13 engines from model years 2013 through 2016. Each code includes free repair info when viewed through Diesel Repair.

Diesel Repair includes:

  • Fault code to part number matching
  • Wiring diagrams
  • Cross-referenced components
  • R&R procedures
  • Labor times

PACCAR MX-13 (2013–2016) Fault Codes

FaultSPNFMITitle
P00167238Camshaft Speed Signal – Not Corresponding With Engine Position
P00171908Crankshaft Speed Signal – Not Corresponding With Engine Position
P0045VTG Turbocharger Actuator – Position Error or Internal Error
P00466417VTG Turbocharger Actuator – Position Error or Internal Error
P0049103Turbo Speed – Higher than Overspeed Limit
P00691022Inlet Air Pressure in Inlet Manifold – Data Erratic, Intermittent or Incorrect, at Ignition ON
P006B812Exhaust Gas Pressure After BPV – Data Erratic, Intermittent or Incorrect, at Ignition ON
P006C11762Inlet Air Pressure Before Compressor – Data Erratic, Intermittent or Incorrect, at Ignition ON
P00721714Ambient Temperature – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C78)
P00731713Ambient Temperature – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C78)
P0087941Fuel Pressure – Data Valid But Too Low, Most Severe
P008814427Fuel Pressure – Data Valid But Too High
P0093157Common Rail Fuel Pressure – Sudden Pressure Drop
P0094134716Common Rail Pump Unit Control – Incorrect
P009526302Intercooler Temperature – Data Erratic, Intermittent or Incorrect
P009726304Intercooler Temperature – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C17)
P009826303Intercooler Temperature – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C17)
P009A1712Ambient Temperature – Data Erratic, Intermittent, or Incorrect
P009F55712Common Rail Pressure Release Valve – Malfunction Detected During Check
P00B7481418Coolant Pump Speed – Data Valid But Too Low When High Speed is Requested
P00BACommon Rail Fuel Pressure – Data Valid But Too Low, Moderately Severe
P01071024Inlet Air Pressure in Inlet Manifold – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A51)
P01081023Inlet Air Pressure in Inlet Manifold – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A51)
P0110Inlet Air Temperature in Inlet Manifold – Data Erratic, Intermittent or Incorrect, at Ignition ON
P01121054Inlet Air Temperature in Inlet Manifold – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A43)
P0113Inlet Air Temperature in Inlet Manifold – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A43)
P01151102Engine Coolant Temperature – Data Erratic, Intermittent or Incorrect during Overrun, at Ignition ON
P01171104Engine Coolant Temperature – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A58)
P01181103Engine Coolant Temperature – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A58)
P011ACoolant Pump Speed – Stalled Pump Detected
P0121917Accelerator Pedal – Sticking Pedal
P01272630Intercooler Temperature – Data Valid But Too High, Most Severe
P013532175Lambda Sensor Heater – Current Too Low or Open Circuit on ECU (D420) Pin (C46)
P01481464Fuel Injection Control – Malfunction Detected
P014914642Fuel Injection Control – Malfunction Detected
P0168174Fuel Temperature – Data Valid But Too High, Most Severe
P01801742Fuel Temperature – Data Erratic, Intermittent or Incorrect, at Ignition ON
P01821744Fuel Temperature – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A42)
P01831743Fuel Temperature – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A42)
P01921574Common Rail Fuel Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A52)
P01931573Common Rail Fuel Pressure – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A52)
P01951752Engine Oil Temperature – Data Erratic, Intermittent or Incorrect, at Ignition ON
P01971754Engine Oil Temperature – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C16)
P01981753Engine Oil Temperature – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C16)
P020113475Common Rail Pump Unit 1 – Current Too Low or Open Circuit on ECU (D420) Pin (A26) or Pin (A25)
P020536635Common Rail Pump Unit 2 – Current Too Low or Open Circuit on ECU (D420) Pin (A27) or Pin (A28)
P0216146416Fuel Injection Control – Malfunction Detected
P0217110Engine Coolant Temperature – Data Valid But Too High, Most Severe
P0219190Engine Speed – Data Valid But Too High
P022197419CAN Communication – Message (EEC2) Out of Range, Remote Accelerator Pedal Position
P026113474Common Rail Pump Unit 1 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A25)
P026213473Common Rail Pump Unit 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A25)
P026365118Cylinder 1 – Torque Contribution Too Low
P026665218Cylinder 2 – Torque Contribution Too Low
P026965318Cylinder 3 – Torque Contribution Too Low
P02726S418Cylinder 4 – Torque Contribution Too Low
P027336634Common Rail Pump Unit 2 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A28)
P027436633Common Rail Pump Unit 2 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A28)
P027565518Cylinder 5 – Torque Contribution Too Low
P027865618Cylinder 6 – Torque Contribution Too Low
P0298175Engine Oil Temperature – Data Valid But Too High, Most Severe
P030113231Cylinder 1 – Contribution Too Low or Misfire
P0302132411Cylinder 2 – Contribution Too Low or Misfire
P0303132511Cylinder 3 – Contribution Too Low or Misfire
P0304132611Cylinder 4 – Contribution Too Low or Misfire
P030513271Cylinder 5 – Contribution Too Low or Misfire
P0306132811Cylinder 6 – Contribution Too Low or Misfire
P031530522Cylinder Unbalance – Detected
P03351902Crankshaft Speed Signal – Disturbed or No Signal During Engine Operation
P034072311Camshaft Speed Signal – Disturbed or No Signal During Engine Operation
P03417239Camshaft Speed Signal – Out of Range During Engine Operation
P04074114EGR Pressure Difference – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C80)
P04084113EGR Pressure Difference – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C80)
P040B4122EGR Temperature – Data Erratic, Intermittent or Incorrect, at Ignition ON
P040C4124EGR Temperature – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C9)
P040D4123EGR Temperature – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C9)
P047112092Exhaust Gas Pressure Before Turbine – Data Erratic, Intermittent or Incorrect, at Ignition ON
P047212094Exhaust Gas Pressure Before Turbine – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C83)
P047312093Exhaust Gas Pressure Before Turbine – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C83)
P047C814Exhaust Gas Pressure After BPV – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C81)
P047D813Exhaust Gas Pressure After BPV – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C81)
P048010715Electronically Controlled Fan – Current Too Low or Open Circuit on ECU (D420) Pin (C74)
P04864112EGR Pressure Difference – Data Erratic, Intermittent, or Incorrect at Ignition ON
P049349312Fan Speed Control – Incorrect
P050151618Vehicle Speed Sensor – Data Erratic, Intermittent, or Incorrect
P0502844Vehicle Speed Sensor – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B40)
P050384Vehicle Speed Sensor – Out of Range
P0513119514Immobilizer – Not Matched
P05221004Engine Oil Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C84)
P05231003Engine Oil Pressure – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C84)
P05241001Engine Oil Pressure – Data Valid But Too Low, Most Severe
P052716393Fan Speed – Data Valid But Too High
P052816394Fan Speed – Data Valid But Too Low
P05417294Grid Heater – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C72) or Pin (C49)
P05427293Grid Heater – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C72) or Pin (C49)
P05437295Grid Heater – Current Too Low or Open Circuit on ECU (D420) Pin (C72) or Pin (C49)
P056216818PCI ECU Power Supply – Data Valid But Too Low on ECU (D420) Pin (B61) or Pin (B62)
P056316816PCI ECU Power Supply – Data Valid But Too High on ECU (D420) Pin (B60) or Pin (B61) or Pin (B62)
P056760119CAN Communication – Message (CCVS) Out of Range, Cruise Control Resume Switch from Vehicle Control System
P056859919CAN Communication – Message (CCVS) Out of Range, Cruise Control Set Switch from Vehicle Control System
P057159719CAN Communication – Message (CCVS) Out of Range, Brake Switch from Vehicle Control System
P060A6299PCI ECU – Internal Error
P060C6295Internal ECU Injector Power Generation – Malfunction
P061BFuel Injection Control – Malfunction
P062A134718Common Rail Pump Unit Control – Incorrect
P062B5122Internal ECU Injector Power Generation – Voltage Too High
P062D35974Internal ECU Injector Power Generation – Voltage Too Low
P0640729Grid Heater Relay – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C55)
P064FFuel Injection Control – Malfunction
P065012135Malfunction Indicator Lamp (MIL) – Current Too Low or Open Circuit on ECU (D420) Pin (B23)
P066611362Internal ECU Temperature – Data Erratic, Intermittent or Incorrect, at Ignition ON
P066811364Internal ECU Temperature – Internal Error
P066911363Internal ECU Temperature – Internal Error
P0685148531PCI ECU – Short Circuit to Ground on ECU (D420) Pin (B3)
P069110714Electronically Controlled Fan – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C74)
P069210713Electronically Controlled Fan – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C74)
P069835104PCI ECU 5 V Sensor Supply – Voltage Too Low or Short Circuit to Ground
P069935103PCI ECU 5 V Sensor Supply – Voltage Too High or Short Circuit to Supply
P06AD12074Internal ECU Temperature – Internal Error
P06AE12073Internal ECU Temperature – Internal Error
P0703112119CAN Communication – Message (EBC1) Out of Range, EBS Brake Switch from Brake System
P081C7019CAN Communication – Message (CCVS_VIC) Out of Range, Park Brake Switch from Vehicle Control System
P083059811Clutch Input Signal – Data Erratic, Intermittent or Incorrect
P083359319CAN Communication – Message (CCVS) Out of Range, Clutch Switch from Vehicle Control System
P08656399CAN – Message (PROPB_AST) Time-Out from Transmission System
P0A1F1684PCI ECU Power Supply – Data Valid But Too Low
P101CBPV Position – Incorrect
P101DBPV Position – Incorrect
P101E6492BPV Actuator Position – Unable to Reach Target
P101F6493BPV Actuator Current – Data Valid But Too High
P102064911BPV Actuator – Internal Error
P10216499BPV Actuator – CAN Communication Error
P10226496BPV Actuator – Internal Error
P1022BPV Actuator – Internal Error
P10235790BPV Actuator Temperature – Data Valid But Too High
P10246494BPV Actuator Power Supply – Incorrect
P102556252BPV Actuator Position – Malfunction on Sensor
P1026562513BPV Actuator – Out of Calibration
P102A1733Exhaust Gas Temperature After BPV – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C11)
P102B1734Exhaust Gas Temperature After BPV – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C11)
P102C1031VTG Turbocharger Turbine – Malfunction
P102F57902BPV Actuator Temperature – Data Erratic, Intermittent or Incorrect, at Ignition ON
P103057652EGR Temperature – Data Erratic, Intermittent or Incorrect, at Ignition ON
P1032Vehicle Speed Sensor – Data Erratic, Intermittent or Incorrect, at Ignition ON
P103981Exhaust Gas Pressure After BPV – Data Valid But Too High
P103C305815EGR Control – Unable to Reach Target
P1040811Exhaust Gas Pressure After BPV – Data Valid But Too Low
P1042120915VTG Turbocharger Control – Incorrect
P104813215Air Mass Flow – Data Valid But Too High, During Overrun
P104913217Air Mass Flow – Data Valid But Too Low During Overrun
P104B10215Inlet Air Pressure in Inlet Manifold – Data Valid But Too High
P104C10217Inlet Air Pressure in Inlet Manifold – Data Valid But Too Low
P104D120911Exhaust Gas Pressure Before Turbine – Data Valid But Too High
P104E27951Exhaust Gas Pressure Before Turbine – Data Valid But Too Low, During Engine Braking
P10508111Exhaust Gas Pressure After BPV – Data Erratic, Intermittent or Incorrect
P105172911Grid Heater – Data Erratic, Intermittent, or Incorrect
P105363911Speed Functions OFF Switch – Data Erratic, Intermittent, or Incorrect
P105463911Downhill Speed Control Switches – Data Erratic, Intermittent or Incorrect
P1055Retarder Switches – Data Erratic, Intermittent, or Incorrect
P1057120917Exhaust Gas Pressure Before Turbine – Data Valid But Too Low
P1058Inlet Air Pressure in Inlet Manifold – Data Valid But Too Low
P106252711Cruise Control Switches – Data Erratic, Intermittent, or Incorrect
P10869417Common Rail Fuel Pressure – Increase Too Slow
P10879418Fuel Pressure – Data Valid But Too Low, Moderately Severe
P1088531316Common Rail Fuel Pressure – Data Valid But Too High
P10895313Common Rail Fuel Pressure – Data Valid But Too High
P1090531315Common Rail Fuel Pressure – Data Valid But Too High
P109115716Common Rail Fuel Pressure – Data Erratic, Intermittent or Incorrect
P109C557117Common Rail Pressure Release Valve – Current Too Low or Open Circuit on ECU (D420) Pin (C4)
P109D557115Common Rail Pressure Release Valve – Current Too High on ECU (D420) Pin (C4)
P1105110911Engine Protection System – Approaching Engine Shutdown
P1106Engine Protection System – Power Derate Active
P1110263012Intercooler Efficiency – Too Low
P111511016Engine Coolant Temperature – Data Valid But Too High, Moderately Severe
P1122927Cruise Control Brake Signal – Data Erratic, Intermittent, or Incorrect
P1127263016Intercooler Temperature – Data Valid But Too High, Moderately Severe
P1128Inlet Air Temperature in Inlet Manifold – Data Valid But Too High
P113332173Lambda Sensor Heater – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C46)
P113432176Lambda Sensor Heater – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C46)
P113532173Lambda Sensor Heater – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C46)
P113632176Lambda Sensor Heater – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C46)
P113732172Lambda Sensor Heater Power Supply – Incorrect
P113832174Lambda Sensor Heater – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C46)
P1139321713Lambda Sensor Calibration – Malfunction
P113A321712Lambda Sensor Temperature – Unable to Reach Target
P113B32178Lambda Sensor Controller – Incorrect
P115890519Wheel Speed, Front Axle, Left – Data Erratic, Intermittent or Incorrect
P115990619Wheel Speed, Front Axle, Right – Data Erratic, Intermittent or Incorrect
P1160Wheel Speed, Rear Axle, Left – Data Erratic, Intermittent or Incorrect
P116190819Wheel Speed, Rear Axle, Right – Data Erratic, Intermittent or Incorrect
P1162CAN Communication – Message (TCO1) Out of Range, Vehicle Speed from Tachograph
P1163S7419CAN Communication – Message (TCO1) Out of Range, Vehicle Speed from Transmission System
P116717415Fuel Temperature – Data Valid But Too High, Least Severe
P116817416Fuel Temperature – Data Valid But Too High, Moderately Severe
P1180Fuel Temperature – Data Valid But Too High, Moderately Severe
P119155791Fuel Filter – Clogged
P1194557917Fuel Filter – Very Clogged
P11951572Common Rail Fuel Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON
P119615715Common Rail Fuel Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON
P12016515Injector Solenoid Valve Cylinder 1 – Current Too Low or Open Circuit on ECU (D420) Pin (A1) and or Pin (A2)
P12026516Injector Solenoid Valve Cylinder 1 – Short Circuit Between ECU (D420) Pin (A1) and Pin (A2)
P12036514Injector Solenoid Valve Cylinder 1 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A1)
P12046513Injector Solenoid Valve Cylinder 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A1)
P12056555Injector Solenoid Valve Cylinder 5 – Current Too Low or Open Circuit on ECU (D420) Pin (A3) and or Pin (A4)
P12066556Injector Solenoid Valve Cylinder 5 – Short Circuit Between ECU (D420) Pin (A3) and Pin (A4)
P12076554Injector Solenoid Valve Cylinder 5 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A4)
P12086553Injector Solenoid Valve Cylinder 5 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A4)
P12096535Injector Solenoid Valve Cylinder 3 – Current Too Low or Open Circuit on ECU (D420) Pin (A5) and or Pin (A6)
P12106536Injector Solenoid Valve Cylinder 3 – Short Circuit Between ECU (D420) Pin (A5) and Pin (A6)
P12116534Injector Solenoid Valve Cylinder 3 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A5)
P12126533Injector Solenoid Valve Cylinder 3 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A5)
P12136565Injector Solenoid Valve Cylinder 6 – Current Too Low or Open Circuit on ECU (D420) Pin (A7) and or Pin (A8)
P12146566Injector Solenoid Valve Cylinder 6 – Short Circuit Between ECU (D420) Pin (A7) and Pin (A8)
P12156564Injector Solenoid Valve Cylinder 6 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A8)
P12166563Injector Solenoid Valve Cylinder 6 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A8)
P12176525Injector Solenoid Valve Cylinder 2 – Current Too Low or Open Circuit on ECU (D420) Pin (A9) and or Pin (A10)
P12186526Injector Solenoid Valve Cylinder 2 – Short Circuit Between ECU (D420) Pin (A9) and Pin (A10)
P12196524Injector Solenoid Valve Cylinder 2 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A9)
P12206523Injector Solenoid Valve Cylinder 2 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A9)
P12216545Injector Solenoid Valve Cylinder 4 – Current Too Low or Open Circuit on ECU (D420) Pin (A11) and or Pin (A12)
P12226546Injector Solenoid Valve Cylinder 4 – Short Circuit Between ECU (D420) Pin (A11) and Pin (A12)
P12236544Injector Solenoid Valve Cylinder 4 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A12)
P12246543Injector Solenoid Valve Cylinder 4 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A12)
P122527974Injector Solenoid Valve Cylinder 1, 2, 3 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A2) or Pin (A10) or Pin (A6)
P122627973Injector Solenoid Valve Cylinder 1, 2, or 3 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A2) or Pin (A10) or Pin (A6)
P122727984Injector Solenoid Valve Cylinder 4, 5, or 6 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A11) or Pin (A3) or Pin (A7)
P122827983Injector Solenoid Valve Cylinder 4, 5, or 6 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A11) or Pin (A3) or Pin (A7)
P123013476Common Rail Pump Unit 1 – Short Circuit Between ECU (D420) Pin (A25) and Pin (A26)
P123436636Common Rail Pump Unit 2 – Short Circuit Between ECU (D420) Pin (A27) and Pin (A28)
P12351032Turbo Speed – Data Erratic, Intermittent, or Incorrect
P126365116Cylinder 1 – Torque Contribution Too High
P126665216Cylinder 2 – Torque Contribution Too High
P126965316Cylinder 3 – Torque Contribution Too High
P127265416Cylinder 4 – Torque Contribution Too High
P127565516Cylinder 5 – Torque Contribution Too High
P127865616Cylinder 6 – Torque Contribution Too High
P127A26591EGR Pressure Difference – Data Valid But Too Low
P127B2659EGR Pressure Difference – Data Valid But Too High
P127C26592EGR Pressure Difference – Data Erratic, Intermittent, or Incorrect
P128E557118Common Rail Fuel Pressure Control – Incorrect
P128F557116Common Rail Fuel Pressure Control – Incorrect
P129817516Engine Oil Temperature – Data Valid But Too High, Moderately Severe
P1301Cylinder 1 – Intermittent Misfire
P1302Cylinder 2 – Intermittent Misfire
P1303Cylinder 3 – Intermittent Misfire
P1304Cylinder 4 – Intermittent Misfire
P1305Cylinder 5 – Intermittent Misfire
P1306Cylinder 6 – Intermittent Misfire
P133519011Crankshaft Speed Signal – Disturbed or No Signal During Engine Start
P133619010Crankshaft Speed Signal – Out of Range During Engine Start
P13407232Camshaft Speed Signal – Disturbed or No Signal During Engine Start
P134172310Camshaft Speed Signal – Out of Range During Engine Start
P135064111VTG Turbocharger Actuator Power Supply – Internal Error
P13516412VTG Turbocharger Actuator – Internal Error
P135264112VTG Turbocharger Actuator Learning – Malfunction Detected
P13546414VTG Turbocharger Actuator Power Supply – Data Valid But Too Low, Least Severe
P1356641VTG Turbocharger Actuator Temperature – Data Valid But Too High
P1400265918EGR Mass Flow – Estimated EGR Rate Too High
P14011013Crankcase Air Pressure – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C5)
P14021014Crankcase Air Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C5)
P140310120Crankcase Air Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON
P14041012Crankcase Air Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON
P140753961Crankcase Air Pressure – Leakage Detected
P14083059Crankcase Air Pressure – Data Valid But Too High, Moderately Severe
P1409102EGR Pressure – Data Valid But Too High
P140A5444Crankcase Ventilation Module Rotor Speed – Data Valid But Too High
P140E54441Crankcase Ventilation Module Rotor Speed – Data Valid But Too Low, Most Severe
P1458475220EGR Temperature – Data Erratic, Intermittent, or Incorrect
P148027912EGR Valve Module Position – Unable to Reach Target
P148127913EGR Valve Module Current – Data Valid But Too High
P148227917EGR Valve Module – Internal Error
P148927911EGR Valve – Stuck Closed
P14902791EGR Gas Flow Detected While the EGR Valve is Closed
P1495178711Engine Protection System – Power Derate Active
P1496382111Engine Protection System – Protection Mode, Active
P1497EGR Valve Position – Incorrect
P1498EGR Valve Position – Incorrect
P1501845Vehicle Speed Sensor – Current Too Low or Open Circuit on ECU (D420) Pin (B40)
P1502Vehicle Speed Sensor – Data Erratic, Intermittent or Incorrect
P1503843Vehicle Speed Sensor – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B40)
P1504848Vehicle Speed Sensor – Data Erratic, Intermittent or Incorrect
P1505842Vehicle Speed Sensor – Frequency Out of Range
P150F9818Engine Oil Level – Data Valid But Too Low, Moderately Severe
P151443497Aftertreatment System – DEF Dosing Malfunction Detected
P1516524614Aftertreatment System – Malfunction Detected
P1517336418Aftertreatment System – DEF Quality Malfunction Detected
P1518178711Aftertreatment System – Engine Torque Derate Active
P1519Aftertreatment System – DEF Level Low
P151A7414Aftertreatment System – Vehicle Speed Limitation Active
P151B143714Aftertreatment System – Vehicle Speed Limitation Active
P151C176118Aftertreatment System – DEF Level Too Low
P151D17611Aftertreatment System – DEF Level Very Low
P151E176114Aftertreatment System – DEF Tank Empty
P152410018Engine Oil Pressure – Data Valid But Too Low, Moderately Severe
P152698619CAN Communication – Message (CM1) Out of Range, Requested Percent Fan Speed from Vehicle Control System
P153B10784Crankcase Ventilation Module Rotor Speed – Data Valid But Too Low, Least Severe
P153C10783Crankcase Ventilation Module Rotor Speed – Data Valid But Too High
P156011118Coolant Level – Data Valid But Too Low, Moderately Severe
P15631681PCI ECU Power Supply – Data Valid But Too Low, Most Severe
P1564942Fuel Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON
P15651882Idle Speed – Differs from the Target Idle Speed
P1566539511Idle Speed Control – Incorrect
P1568655214Coolant Pump Clutch 1 – Short Circuit to Ground
P1569Coolant Pump Clutch 1 – Short Circuit to Supply
P156A655215Coolant Pump Clutch 1 – Current Too Low or Open Circuit
P156B655224Coolant Pump Clutch 2 – Short Circuit to Ground
P156C655223Coolant Pump Clutch 2 – Short Circuit to Supply
P156D655225Coolant Pump Clutch 2 – Current Too Low or Open Circuit
P156EVehicle Speed Sensor – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B12)
P156F8364Vehicle Speed Sensor – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B12)
P157017518Engine Oil Temperature – Data Erratic, Intermittent or Incorrect, During Engine Warm-Up
P157117511Engine Oil Temperature – Data Erratic, Intermittent, or Incorrect
P157252552Inlet Air Temperature After Compressor – Data Erratic, Intermittent, or Incorrect
P1573105Inlet Air Temperature in Inlet Manifold – Data Valid But Too High
P1574554316Exhaust Gas Pressure Before Turbine – Data Erratic, Intermittent or Incorrect
P158010318Turbo Speed – Data Valid But Too High
P158110316Turbo Speed – Data Valid But Too Low
P160162913PCI ECU – Internal Error
P160262912PCI ECU – Software Error
P160A6292PCI ECU – Internal Error
P164410433PCI ECU 5 V Sensor Supply – Voltage Too High or Short Circuit to Supply
P164510434PCI ECU 5 V Sensor Supply – Voltage Too Low or Short Circuit to Ground
P1650Red Warning – Short Circuit to Ground or Open Circuit on ECU (D420) Pin (B8)
P16526323Red Warning – Short Circuit to Supply on ECU (D420) Pin (B8)
P16536245Yellow Warning – Short Circuit to Ground or Open Circuit on ECU (D420) Pin (B4)
P16556243Yellow Warning – Short Circuit to Supply on ECU (D420) Pin (B4)
P16586291PCI ECU – Internal Error
P167462912PCI ECU – Software Error
P167562912PCI ECU – Software Error
P167662912PCI ECU – Software Error
P167762912PCI ECU – Software Error
P167862912PCI ECU – Software Error
P167962913PCI ECU – Internal Error
P168162912PCI ECU – Software Error
P1682985Engine Oil Level – Current Too Low or Open Circuit on ECU (D420) Pin (B35)
P16876773Starter Motor – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B16)
P16886774Starter Motor – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B16)
P1693626Cold Starting Aid – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C72) or Pin (C49)
P1694626Cold Starting Aid – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C72) or Pin (C49)
P1698PCI ECU 5 V Sensor Supply – Voltage Too Low or Short Circuit to Ground
P1699PCI ECU 5 V Sensor Supply – Voltage Too High or Short Circuit to Supply
P1704321710Lambda – Data Erratic, Intermittent or Incorrect, During Overrun
P1705321717Lambda Response Rate – Too Low
P1706321715Lambda Response Rate – Too High
P1707321718Lambda – Data Valid But Too Low
P1708321716Lambda – Data Valid But Too High
P1709Lambda – Data Valid But Too Low During Overrun
P170A321721Lambda – Data Valid But Too Low, Most Severe
P170B321720Lambda – Data Valid But Too High, Most Severe
P170C321616NOx Sensor Before Catalyst Response – Data Erratic, Intermittent or Incorrect, During Overrun
P170DNOx Sensor Before Catalyst Response – Incorrect
P170E321615NOx Sensor Before Catalyst Response – Incorrect
P170F321610NOx Concentration Before Catalyst – Data Valid But Too High During Overrun
P1710321621NOx Concentration Before Catalyst – Data Valid But Too Low
P1711321620NOx Concentration Before Catalyst – Data Valid But Too High
P17171732Exhaust Gas Temperature After BPV – Data Erratic, Intermittent or Incorrect
P1718305816EGR Mass Flow – Data Valid But Too High
P1719305818EGR Mass Flow – Data Valid But Too Low
P171B305821EGR Flow Response – Decrease Too Slow
P171C305820EGR Flow Response – Increase Too Slow
P171E13216Air Mass Flow – Data Valid But Too High
P17226497BPV Control – Data Erratic, Intermittent, or Incorrect
P1723120916Exhaust Gas Pressure Before Turbine – Data Valid But Too Low
P1724120918Exhaust Gas Pressure Before Turbine – Data Valid But Too High
P1726120910Exhaust Gas Pressure Before Turbine – Response Too Slow, on Requested Pressure
P172727952VTG Turbocharger Control – Data Erratic, Intermittent or Incorrect
P175112133Malfunction Indicator Lamp (MIL) – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B23)
P186363919CAN Communication – Message (PROPB_AST) Out of Range, Maneuvering Mode from Transmission System
P1866Exhaust Gas Pressure Before Turbine – Data Valid But Too High
P1867Exhaust Gas Temperature After BPV – Data Valid But Too High
P1868Ambient Temperature – Data Valid But Too High
P1869Fuel Temperature – Data Valid But Too Low
P1870Crankcase Air Pressure – Data Valid But Too Low
P1871Pressure Before Turbocharger Compressor (Humidity Sensor) – Data Valid But Too Low
P1872Pressure Before Turbocharger Compressor (Humidity Sensor) – Data Valid But Too High
P1874Temperature Before Turbocharger Compressor (Humidity Sensor) – Data Valid But Too High
P1876Ambient Pressure – Data Valid But Too High
P2104156911Engine Protection System – Warning Active
P2147134720Common Rail Pump Unit 1 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A26)
P2148134721Common Rail Pump Unit 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A26)
P2150134820Common Rail Pump Unit 2 – Voltage Too Low or Shot Circuit to Ground on ECU (D420) Pin (A27)
P2151134821Common Rail Pump Unit 2 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A27)
P218116597Engine Coolant Temperature – Does Not Match Engine Operating Conditions
P218311012Engine Coolant Temperature – Data Erratic, Intermittent, or Incorrect
P219911722Inlet Air Temperature Before Compressor – Data Erratic, Intermittent or Incorrect, at Ignition ON
P22261082Internal ECU Ambient Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON
P22281084Internal ECU Ambient Pressure – Malfunction
P22291083Internal ECU Ambient Pressure – Malfunction
P222C1384Internal ECU Ambient Pressure – Internal Error
P222D1383Internal ECU Ambient Pressure – Internal Error
P223716965Lambda – Open Circuit on ECU (D420) Pin (C45)
P223816964Lambda – Current Too Low on ECU (D420) Pin (C45)
P223916963Lambda – Current Too High on ECU (D420) Pin (C45)
P2266974Water-in-Fuel – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A49)
P2275973Water-In-Fuel – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49)
P228C544218Common Rail Fuel Pressure Control – Incorrect
P228D544216Common Rail Fuel Pressure Control – Incorrect
P228E544217Common Rail Fuel Pressure Control – Incorrect
P228F544215Common Rail Fuel Pressure Control – Incorrect
P229455715Common Rail Pressure Release Valve – Open Circuit on ECU (D420) Pin (C4) or Pin (C26)
P2295Common Rail Pressure Release Valve – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C4)
P2296Common Rail Pressure Release Valve – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C4)
P229A55717Common Rail Pressure Release Valve Current – Too High
P229B5571Common Rail Pressure Release Valve Current – Too Low
P229C557121Common Rail Pressure Release Valve Current – Data Valid But Too Low
P229D557120Common Rail Pressure Release Valve Current – Data Valid But Too High
P2457412EGR Temperature – Data Valid But Too High, Most Severe
P2458369619CAN Communication – Message (CM1) Out of Range, DPF Regeneration Switch from Vehicle Control System
P2459369519CAN Communication – Message (CM1) Out of Range, DPF Regeneration Switch from Vehicle Control System
P2507Engine OFF Time – Data Erratic, Intermittent or Incorrect
P250A9817Engine Oil Level – Data Valid But Too Low, Least Severe
P250BEngine Oil Level – Data Erratic, Intermittent or Incorrect, at Ignition ON
P250C984Engine Oil Level – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B35)
P250D983Engine Oil Level – Open Circuit on ECU (D420) Pin (B35)
P250E982Engine Oil Level – Unlikely, Difference Too High
P250F981Engine Oil Level – Data Valid But Too Low, Most Severe
P252F9816Engine Oil Level – Data Valid But Too High, Moderately Severe
P2530Engine Run Time – Data Erratic, Intermittent or Incorrect
P253B98419CAN Communication – Message (PTO) Out of Range, Engine PTO Governor Set Switch
P2541944Fuel Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A50)
P2542943Fuel Pressure – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A50)
P25581114Coolant Level 1 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C7)
P25591113Coolant Level 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C7)
P25601111Coolant Level – Data Valid But Too Low, Most Severe
P256327957VTG Turbocharger Actuator Position – No or Too Slow Movement
P257910310Turbo Speed – Abnormal Rate of Change
P25801034Turbo Speed – Data Valid But Too Low, Least Severe on ECU (D420) Pin (C87)
P25811033Turbo Speed – Data Valid But Too High, Least Severe on ECU (D420) Pin (C87)
P2600Coolant Pump – Open Circuit on ECU (D420) Pin (C1)
P260336053Coolant Pump Speed – Data Valid But Too High
P2604Coolant Pump – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C1)
P2605Coolant Pump – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C1)
P26097291Grid Heater Relay – Current Too Low or Open Circuit on ECU (D420) Pin (C55)
P262B4445PCI ECU Power Supply – Open Circuit on ECU (D420) Pin (B43)
P268A62813Fuel Injection Control – Incorrect
P300316817PCI ECU Power Supply – Data Valid But Too Low
P30B316689CAN – Message (AT1IG1) Time-Out from NOx Sensor Before Catalyst
P3100Coolant Pump Speed – Data Valid But Too High, When Low Speed is Requested
P3101Coolant Pump Speed – Data Valid But Too Low, When Low Speed is Requested
P340510725MX Engine Brake Solenoid Valve Cylinder 1 – 3 Current Too Low or Open Circuit on ECU (D420) Pin (A17)
P340710724MX Engine Brake Solenoid Valve Cylinder 1 Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A17)
P340810723MX Engine Brake Solenoid Valve Cylinder 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A17)
P341310725MX Engine Brake Solenoid Valve Cylinder 2 – Current Too Low or Open Circuit on ECU (D420) Pin (A16)
P341510724MX Engine Brake Solenoid Valve Cylinder 2 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A16)
P341610723MX Engine Brake Solenoid Valve Cylinder 2 – Voltage Too High or Short Circuit to Supply On ECU (D420) Pin (A16)
P342110725MX Engine Brake Solenoid Valve Cylinder 3 – Current Too Low or Open Circuit on ECU (D420) Pin (A24)
P342310724MX Engine Brake Solenoid Valve Cylinder 3 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A24)
P342410723MX Engine Brake Solenoid Valve Cylinder 3 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A24)
P342910725MX Engine Brake Solenoid Valve Cylinder 4 – Current Too Low or Open Circuit on ECU (D420) Pin (A21)
P343110724MX Engine Brake Solenoid Valve Cylinder 4 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A21)
P343210723MX Engine Brake Solenoid Valve Cylinder 4 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A21)
P343710725MX Engine Brake Solenoid Valve Cylinder 5 – Current Too Low or Open Circuit on ECU (D420) Pin (A13)
P343910724MX Engine Brake Solenoid Valve Cylinder 5 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A13)
P344010723MX Engine Brake Solenoid Valve Cylinder 5 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A13)
P344510725MX Engine Brake Solenoid Valve Cylinder 6 – Current Too Low or Open Circuit on ECU (D420) Pin (A20)
P344710724MX Engine Brake Solenoid Valve Cylinder 6 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A20)
P344810723MX Engine Brake Solenoid Valve Cylinder 6 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A20)
P375047653Exhaust Gas Temperature Before DOC – Voltage Too High or Short Circuit to Supply
P375147654Exhaust Gas Temperature Before DOC – Voltage Too Low or Short Circuit to Ground
P375247652Exhaust Gas Temperature Before DOC – Unlikely, Not Changing During Operation
P375347663Exhaust Gas Temperature Before DPF – Voltage Too High or Short Circuit to Supply
P375447664Exhaust Gas Temperature Before DPF – Voltage Too Low or Short Circuit to Ground
P375547662Exhaust Gas Temperature Before DPF – Data Erratic, Intermittent, or Incorrect, Not Changing During Operation
P3756Exhaust Gas Temperature After DPF – Voltage Too High or Short Circuit to Supply
P3757Exhaust Gas Temperature After DPF – Voltage Too Low or Short Circuit to Ground
P3758Exhaust Gas Temperature After DPF – Data Erratic, Intermittent, or Incorrect
P375957473Heater Element PM Sensor – Voltage Too High or Short Circuit to Supply, High Side
P376057471Heater Element PM Sensor – Voltage Too Low or Short Circuit to Ground, High Side
P3761574710Heater Element PM Sensor – Voltage Too High or Short Circuit to Supply, Low Side
P3762DPF Differential Pressure – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (A70)
P3763DPF Differential Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (A70)
P3764DPF Differential Pressure – Data Erratic, Intermittent, or Incorrect
P3765DPF Differential Pressure – Data Erratic, Intermittent, or Incorrect
P376636103DPF Differential Pressure – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (B32)
P376736104DPF Differential Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B32)
P376836102DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON, on ECU (D374) Pin (B32)
P3769361010DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, During Operation, on ECU (D374) Pin (B32)
P3770361016DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON or During Operation, on ECU (D374) Pin (B32)
P377157413Heater Element PM Sensor – Voltage Too Low or Short Circuit to Ground, Low Side
P377257414PM Sensor – Voltage Too High or Short Circuit to Supply
P377343392SCR Catalyst Efficiency – Compensation Level Too High
P377443399SCR Catalyst Efficiency – Compensation Level Too High
P3776529818Diesel Oxidation Catalyst (DOC) Efficiency – Data Valid But Too Low
P3777433911SCR Catalyst – Compensation Level Too High
P3778479631Diesel Oxidation Catalyst (DOC) – Not Detected
P3779476615Exhaust Gas Temperature Before DPF – Data Valid But Too High, Least Severe
P37804766Exhaust Gas Temperature Before DPF – Data Valid But Too High, Most Severe
P3781476516Exhaust Gas Temperature Before DOC – Data Valid But Too High, Moderately Severe
P3782476616Exhaust Gas Temperature Before DPF – Data Valid But Too High, Moderately Severe
P3783476616Diesel Oxidation Catalyst (DOC) – Data Valid But Too High, Moderately Severe
P3784Sensor Circuit PM Sensor – Voltage Too High or Short Circuit to Supply
P3785Sensor Circuit PM Sensor – Voltage Too Low or Short Circuit to Ground
P3786529817Diesel Oxidation Catalyst (DOC) Compensation Level – Too High
P3787355618Fuel Dosing Module – Used Up All Compensation
P3788393618DPF Filtration Efficiency – Data Valid But Too Low, Moderately Severe
P3789Exhaust Gas Temperature After DPF – Data Valid But Too High, Most Severe
P3790479531Diesel Particulate Filter (DPF) – Not Detected
P3791539731Diesel Particulate Filter (DPF) – Too Frequent Regeneration
P3792Exhaust Gas Temperature After DPF – Data Valid But Too High, Least Severe
P3793Exhaust Gas Temperature After DPF – Data Valid But Too High, Moderately Severe
P3794Diesel Particulate Filter (DPF) – Differential Pressure Too High Level, Least Severe
P3795Exhaust Gas Temperature After DPF – Data Valid But Too High, Moderately Severe
P3796Diesel Particulate Filter (DPF) – Soot Level, Most Severe
P3797Diesel Particulate Filter (DPF) – Soot Level, Least Severe
P3798Diesel Particulate Filter (DPF) – Soot Level, Moderately Severe
P3799375031DPF Differential Pressure – Insufficient for DPF Regeneration
P3800531931Diesel Particulate Filter (DPF) – Regeneration Completed But Insufficient
P3801370331DPF Regeneration Switch – Used in Soot Level 1 or Higher
P380239367Diesel Particulate Filter (DPF) – Filter Severely Damaged
P380357474PM Sensor – Voltage Too Low or Short Circuit to Ground
P3804370331DPF Regeneration Switch – Timer-Based Regeneration Inhibit
P3805PM Sensor Heater – Error at Deactivation
P3805371331DPF Active Regeneration – Unable to Perform Due to System Timeout
P3806369518DPF Regeneration Switch – Data Erratic, Intermittent or Incorrect
P3807529811Diesel Particulate Filter (DPF) – Stationary Regeneration Aborted Due to Poor Regeneration Efficiency
P380843603Exhaust Gas Temperature Before SCR Catalyst – Voltage Too High or Short Circuit to Supply
P380943604Exhaust Gas Temperature Before SCR Catalyst – Voltage Too Low or Short Circuit to Ground
P381043602Exhaust Gas Temperature Before SCR Catalyst – Temperature Difference
P3811584816PM Sensor Heater – Error, at Startup
P381243633Exhaust Gas Temperature After SCR Catalyst – Voltage Too High or Short Circuit to Supply
P381343634Exhaust Gas Temperature After SCR Catalyst – Voltage Too Low or Short Circuit to Ground
P3814436311Exhaust Gas Temperature After SCR Catalyst – Data Erratic, Intermittent, or Incorrect
P3815584821NH₃ Sensor – Abnormal Rate of Change, Too Low
P3815Sensor Circuit PM Sensor – Voltage Too High (If Equipped with PM Sensor)
P3816Exhaust Gas Temperature Before SCR Catalyst – Data Erratic, Intermittent, or Incorrect
P38174363Exhaust Gas Temperature After SCR Catalyst – Data Valid But Too High, Most Severe
P3818436418SCR Catalyst Conversion Efficiency – Too Low
P3819436414SCR Catalyst Efficiency – Degraded
P3820382821Pump Module – Dosing System Degradation Malfunction
P3821584820NH₃ Sensor – Degraded
P3821PM Sensor ECU – Temperature Too High or Too Low
P3822351618DEF Quality – DEF Concentration Too Low
P38243516DEF Quality – DEF Concentration Too High
P3825436016Exhaust Gas Temperature Before SCR Catalyst – Data Valid But Too High, Moderately Severe
P3826436316Exhaust Gas Temperature After SCR Catalyst – Data Valid But Too High, Moderately Severe
P38274360Exhaust Gas Temperature Before SCR Catalyst – Data Valid But Too High, Most Severe
P38284363Exhaust Gas Temperature After SCR Catalyst – Data Valid But Too High, Most Severe
P382917612DEF Tank Level Sensor – Presist, Not Valid
P3830479431SCR Catalyst – Not Detected
P383134824Fuel Shutoff Valve – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B07)
P383234823Fuel Shutoff Valve – Short Circuit to Supply or Open Circuit on ECU (D374) Pin (B07)
P383335565Fuel Dosing Valve – Current Too Low or Open Circuit on ECU (D374) Pin (A05) or Pin (A29)
P383434822Fuel Shutoff Valve – Data Erratic, Intermittent, or incorrect on ECU (D374) Pin (B07)
P383534827Fuel Shutoff Valve – Not Responding or Out of Adjustment on ECU (D374) Pin (B07)
P383635562Fuel Dosing Valve – Leakage Detected
P3837348017Intake Module Fuel Pressure – Data Valid But Too Low, Least Severe
P383834802Intake Module Fuel Pressure – Data Erratic, Intermittent, or Incorrect, Not Changing During Operation on ECU (D374) Pin (A72)
P383934803Intake Module Fuel Pressure – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (A72)
P384034804Intake Module Fuel Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (A72)
P384134907Air Shutoff Valve – Stuck in Closed Position
P384234904Air Shutoff Valve – Voltage Too Low or Short Circuit to Ground ECU (D374) Pin (A32)
P384334903Air Shutoff Valve – Short Circuit to Supply or Open Circuit on ECU (D374) Pin (A32)
P384453945DEF Dosing Valve – Current Too Low or Open Circuit on ECU (D374) Pin (A77) or Pin (A53)
P384543764Pump Module Reverting Valve – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B34)
P384643763Pump Module Reverting Valve – Short Circuit to Supply or Open Circuit on ECU (D374) Pin (B34)
P384743343Pump Module Pressure – Voltage Too High or Short Circuit to Supply On ECU (D374) Pin (B45)
P384843344Pump Module Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B45)
P3849Pump Module Temperature – Malfunction on Sensor
P3850PM Sensor ECU – Internal Error
P3850Pump Module Temperature – Malfunction on Sensor
P3851Pump Module Temperature – Malfunction on Sensor
P3852Pump Module Temperature – Malfunction on Sensor
P3852PM Sensor – Persist, Not Valid
P3853574518Pump Module – Failed to Thaw
P3854433710Pump Module Temperature – Malfunction on Sensor
P3855579810Pump Module Temperature – Malfunction on Sensor
P3856433416DEF Pressure – Data Valid But Too High
P3857433418DEF Pressure – Data Valid But Too Low
P3858433411Pump Module – Pressure Stabilization Failed
P385953947DEF Dosing Valve – Not Responding or Out of Adjustment
P3860Pump Module Temperature – Malfunction on Sensor
P3861Pump Module Temperature – Malfunction on Sensor
P3862CAN Communication – Timeout from Aftertreatment System
P386332182NOx Sensor Before Catalyst Power Supply – Incorrect
P386432163NOx Sensor Before Catalyst – Short Circuit or Open Circuit
P386532164NOx Sensor Before Catalyst – Short Circuit or Open Circuit
P386632169CAN Communication – Message (AT1IGC1) Timeout from NOx Sensor Before Catalyst
P3867502410Heater Element NOx Sensor Before Catalyst Performance – Malfunction
P3868502411Heater Element NOx Sensor Before Catalyst – Warm-up Failed
P3869321611NOx Sensor Before Catalyst – Short Circuit or Open Circuit
P3870321613NOx Sensor Before Catalyst – Power Supply Not Correct
P387132169CAN Communication – Message (AT1IGC1) Timeout from NOx Sensor Before Catalyst
P387257439CAN Communication – Message Timeout from SCR Exhaust Gas Temperature Sensors ECU
P387332269CAN Communication – Message (AT1IOGC1) Time-out from NOx Sensor After Catalyst
P3874574210CAN Communication – Message Time-out from DOC DPF Temperature Sensors ECU
P387560912EAS-3 ECU – Data Lost Due to Incorrect Power Down
P387660912EAS-3 ECU – Internal Error
P3877321612NOx Sensor Before Catalyst – Persist, Not Valid
P38786530311Hydrocarbon Storage – Level Too High
P38796530111Hydrocarbon Storage – Level Too High
P38806530211Hydrocarbon Storage – Drive Off Malfunction
P388132182NOx Sensor Before Catalyst Power Supply – Incorrect
P38826093EAS-3 ECU – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (B03)
P38836094EAS-3 ECU – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B03)
P388435123EAS-3 ECU Power Supply DEF Pressure Sensor – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (B57)
P388535124EAS-3 ECU Power Supply DEF Pressure Sensor – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B57)
P388635123EAS-3 ECU Power Supply DOC DPF Pressure Sensor – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (B42)
P388735124EAS-3 ECU Power Supply DOC DPF Pressure Sensor – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B42)
P388835123EAS-3 ECU Power Supply Fuel Intake Module – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (A89)
P388935124EAS-3 ECU Power Supply Fuel Intake Module – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (A89)
P3890Tank Heater Valve – Short Circuit to Supply or Open Circuit on ECU (D374) Pin (B47)
P3891Tank Heater Valve – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B47)
P3892DEF Tank Temperature – Not Increased When Commanded
P389317613DEF Level – Short Circuit to Supply or Open Circuit
P389417614DEF Level – Voltage Too Low or Short Circuit to Ground
P389530313DEF Tank Temperature Sensor – Short Circuit to Supply or Open Circuit
P389657412DPF Filtration Efficiency – Too Much Soot Detected, on PM Sensor
P3898336318DEF Tank Heating – Failed to Thaw
P389930312DEF Tank Temperature – Data Erratic, Intermittent or Incorrect
P390030314DEF Tank Temperature Sensor – Voltage Too Low or Short Circuit to Ground
P390143342Pump Module – Data Erratic, Intermittent or Incorrect
P390257464Pump Module Heater Relay – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B33)
P390357463Pump Module Heater Relay – Short Circuit to Supply or Open Circuit on ECU (D374) Pin (B33)
P3904Pump Module – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B46) or Pin (B48)
P3905Pump Module – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (B48)
P390643372Pump Module Temperature – Malfunction on Sensor
P390757982Pump Module Temperature – Malfunction on Sensor
P3908Pump Module Temperature – Malfunction on Sensor
P390957453Pump Module Heater – Voltage Too High or Short Circuit to Supply
P391057454Pump Module Heater – Voltage Too Low or Short Circuit to Ground
P391143767Pump Module Reverting Valve – Malfunction
P3912539231Pump Module – Unable to Prime
P3913NOx Sensor After Catalyst – Data Not Rational, Drifted Low
P3914322616NOx Sensor After Catalyst – Data Not Rational, Drifted High
P3915503111Heater Element NOx Sensor After Catalyst – Warm-Up Failed
P3916NOx Sensor After Catalyst – Data Erratic, Intermittent, or Incorrect
P391732264Heater Element NOx Sensor After Catalyst – Malfunction
P3918322611NOx Sensor After Catalyst – NOx Signal Malfunction
P3919DEF Quality – Fluid Type Unknown from DEF Quality Sensor
P3920DEF Quality Sensor – Temperature Difference, Too High
P392132269CAN Communication – Time Out from NOx Sensor After Catalyst
P392232262NOx Sensor After Catalyst – Value Not Changing when Expected
P3923NOx Sensor After Catalyst Power Supply – Interrupted
P3924322613NOx Sensor After Catalyst – Out of Calibration
P3925PM Sensor Temperature Probe – Voltage Too High or Short Circuit to Supply
P3926PM Sensor Temperature Probe – Voltage Too Low or Short Circuit to Ground
P3927503110Heater Element NOx Sensor After Catalyst Performance – Malfunction
P3928322610NOx Sensor After Catalyst – Data not Rational, Drifted High
P3929NOx Sensor After Catalyst – Persist, Not Valid
P393035152Diesel Oxidation Catalyst (DOC) Efficiency – Data Valid But Too Low
P3931336411DEF Quality Sensor ECU – Internal Error
P3931NOx Sensor After Catalyst – O₂ Sensor Malfunction
P3932NOx Sensor After Catalyst – O₂ Concentration, Too High
P393235153DEF Quality Sensor Temperature – Voltage Too High or Short Circuit to Supply
P3933NOx Sensor After Catalyst O₂ Concentration Too Low
P393335154DEF Quality Sensor Temperature – Voltage Too Low or Short Circuit to Ground
P393433643DEF Quality Sensor Concentration – Voltage Too High or Short Circuit to Supply
P3934NOx Sensor After Catalyst – O₂ Concentration, Reacting Too Slow
P393533644DEF Quality Sensor Concentration – Voltage Too Low or Short Circuit to Ground
P3936351512DEF Tank Sensor ECU – Temperature Too High
P393733642DEF Quality – Persist, Not Valid
P3938351511Tank Heater Valve – Stuck in Open Position
P394033649CAN – Message Time-Out from DEF Tank Level Sensor
P3941336412DEF Tank Level Sensor – Internal Error
P394257423Exhaust Gas Temperature Sensors DPF – Voltage Too High or Short Circuit to Supply
P394357424Exhaust Gas Temperature Sensors DPF – Voltage Too Low or Short Circuit to Ground
P3944574212Exhaust Gas Temperature DPF – Data Valid But Too High
P394557429CAN Communication – Time-Out from DOC DPF Temperature Sensors ECU
P394657433Exhaust Gas Temperature Sensors SCR – Voltage Too High or Short Circuit to Supply
P394757434Exhaust Gas Temperature Sensors SCR – Voltage Too Low or Short Circuit to Ground
P3948574312Exhaust Gas Temperature Sensors SCR – Data Valid But Too High
P394957439CAN – Time-Out from SCR Exhaust Gas Temperature Sensors ECU
P395058483DEF Quality – Out of Calibration
P3950Heater Element NH₃ Sensor – Malfunction
P395158484CAN – Message Time-Out Low from DEF Quality Sensor
P3951Heater  Element NH₃ Sensor – Malfunction
P395258485CAN – Message Time-Out PM Sensor
P3952Heater Element NH₃ Sensor – Malfunction
P395358483Heater Element NH₃ Sensor – Malfunction
P3954PM Sensor – Power Supply Intermittent
P395458484Heater Element NH₃ Sensor – Malfunction
P395558485Heater Element NH₃ Sensor – Malfunction
P3955PM Sensor – Voltage Too High or Short Circuit to Supply
P3956PM Sensor – Voltage Too Low or Short Circuit to Ground
P395643S04Heater Element NH₃ Sensor – Malfunction
P395743S03Heater Element NH₃ Sensor – Malfunction
P3957PM Sensor – Current Too High
P3958PM Sensor – Regeneration Failed
P3958584813NH₃ Sensor Internal Trim Resistor – Malfunction
P3959584813NH₃ Sensor Internal Trim Resistor – Malfunction
P3959PM Sensor – Data Not Rational Drifted Low
P3960PM Sensor – Regeneration, Time-Out from PM Sensor
P3960584811NH₃ Sensor – Internal Error
P3961PM Sensor Temperature Probe – Out of Range, at Ignition ON
P396158483NH₃ Sensor – Internal Error
P396258484NH₃ Sensor – Internal Error
P3962PM Sensor Temperature Probe – Signal in Range Error
P3963PM Sensor ECU – Temperature Too High
P396358489CAN – Time-Out from NH₃ Sensor
P396458485NH₃ Sensor – Internal Error
P396558483NH₃ Sensor – Internal Error
P3966NH₃ Sensor – Internal Error
P396658483DEF Quality Sensor – Temperature Error
P3967NH₃ Sensor – Internal Error
P396758484CAN – Message Time-Out from DEF Tank Temperature Sensor
P396858483DEF Tank Temperature – Out of Calibration
P3968NH₃ Sensor – Internal Error
P396958484NH₃ Sensor – Internal Error
P3970438012NH₃ Sensor Power Supply – Interrupted
P3970NOx Sensor After Catalyst – O₂ Sensor Malfunction
P397143822Heater Element NH₃ Sensor – Failed to Maintain the Operating Temperature
P3971NOx Sensor After Catalyst – O₂ Concentration, Too High
P397243829Heater Element NH₃ Sensor – Failed to Maintain the Operating Temperature
P3972NOx Sensor After Catalyst O₂ Concentration Too Low
P3973438211Heater Element NH₃ Sensor – Heating Failed During Warm-Up
P3973NOx Sensor After Catalyst – O₂ Concentration, Reacting Too Slow
P3974NOx Sensor After Catalyst – Tampering Detected
P397458482NH₃ Sensor – Signal Incorrect
P397554913DEF Pipe Heating Relay – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (A08)
P397654914DEF Pipe Heating Relay – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (A08)
P397743545Heater Element DEF Inlet Pipe – Short Circuit to Ground or Open Circuit on ECU (D374) Pin (A04)
P397843546Heater Element DEF Inlet Pipe – Short Circuit to Supply on ECU (D374) Pin (A04)
P397943555Heater Element DEF Return Pipe – Short Circuit to Ground or Open Circuit on ECU (D374) Pin (A52)
P398043556Heater Element DEF Return Pipe – Short Circuit to Supply on ECU (D374) Pin (A52)
P3982574311Exhaust Gas Temperature Sensors SCR Power Supply – Interrupted
P3983436018Exhaust Gas Temperature Sensor Before SCR Catalyst – Sensor Has Been Tampered With
P39846099CAN Communication – Time-Out from Vehicle Control System
P3985Pump Module Power Supply – Current Too Low on ECU (D374) Pin (B46)
P3986Pump Module Power Supply – Current Too High or Short Circuit to Ground on ECU (D374) Pin (B46)
P3987Exhaust Gas Temperature Sensors DPF – Internal Error
P3988Exhaust Gas Temperature Sensors SCR – Internal Error
P3989PM Sensor – No Detection of Hot Exhaust Gasses
P3989NH₃ Sensor – Value Not Changing When Expected
P3990Exhaust Gas Temperature Sensors DPF Power Supply – Interrupted
P3991DOC DPF Temperature Sensors ECU – Software Verification Incorrect
P3992SCR Exhaust Gas Temperature Sensors ECU – Software Verification Incorrect
P3993Heater Element DEF Pressure Pipe – Short Circuit to Ground or Open Circuit on ECU (D374) Pin (A28)
P3994Heater Element DEF Pressure Pipe – Short Circuit to Supply on ECU (D374) Pin (A28)
P3995Fuel Shutoff Valve Orifice – Plugged
P3996DEF Flow – Too Low
P3997DEF Quality – Incorrect
U001163911CAN – Hardware or Software Malfunction on V-CAN2
U010112319CAN – Message (ETC1) Time-Out from Transmission System
U010312319CAN – Message (ETC2) Time-Out from Transmission System
U01046399CAN – Message (CCVS) Time-Out from Vehicle Control System
U010516689CAN – Message (TESTRUN_INFO) Time-Out from Aftertreatment System
U01066399CAN – Message (CCVS_EBS) Time-Out from Brake System
U012012319CAN – Message (ETC7) Time-Out from Transmission System
U01296399CAN – Message (EBC1) Time-Out from Brake System
U01336399CAN – Message (VDC1) Time-Out from Brake System
U014112359CAN – Message (TCO1) Time-Out from Tachograph
U01436399CAN – Message (EEC2) Time-Out
U01556399CAN – Message (PROBA_BBM_to_Eng) Time-Out from Body Builder Module
U01566399CAN – Message (PROPB VIC) Time-Out from Vehicle Control System
U015712359CAN – Message (AMB) Time-Out from Vehicle Control System
U040452419CAN Communication – Message (ETC2) Out of Range, Selected Gear from Transmission System
U1011CAN – Hardware or Software Malfunction on E-CAN
U1013476519CAN Communication – Message (A1DOC) Out of Range, DOC Intake Gas Temperature from Aftertreatment System
U101412352CAN – Hardware or Software Malfunction on V-CAN1
U101516682CAN – Hardware or Software Malfunction on A-CAN
U101616689CAN – Message (A1DOC) Time-Out from Aftertreatment System
U1048VTG Turbocharger Actuator Position – Incorrect
U1049VTG Turbocharger Actuator Position – Incorrect
U104C6419VTG Turbocharger Actuator – CAN Communication Error
U1069138719Inlet Air Pressure Before Compressor – Data Erratic, Intermittent or Incorrect
U107017119CAN Communication – Message (AMB) Out of Range, Ambient Temperature from Vehicle Control System
U107135419Inlet Air Humidity Before Compressor – Data Erratic, Intermittent or Incorrect
U107351179Humidity Sensor – CAN, Message Time-Out
U107444119Inlet Air Temperature Before Compressor – Data Erratic, Intermittent or Incorrect
U110412359CAN – Message (ACC1) Time-Out from Advanced Emergency Braking System
U1105CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, Engine Stop from Body Builder Module
U111012359CAN – Message (RC_DR) Time-Out from Retarder System
U111216689CAN – Message (SCR1) Time-Out from Aftertreatment System
U111416689CAN – Message (AT1T1I) Time-Out, DEF Tank Information from Aftertreatment System
U111832268CAN Communication – Message (EXH_GAS_CORR) Out of Range, NOx After SCR Reading Stable from Aftertreatment System
U111A322019CAN Communication – Message (EXH_GAS_CORR) Out of Range, Engine Out NOx Reading Stable from Aftertreatment System
U111B321719CAN Communication – Message (EXH_GAS_CORR) Out of Range, O₂ Concentration Before Catalyst (Corrected) from Aftertreatment System
U111CCAN Communication – Message (EXH_GAS_CORR) Out of Range, Engine Out NOx Corrected from Aftertreatment System
U111D16689CAN – Message (EXH_GAS_CORR) Time-Out from Aftertreatment System
U112012359CAN – Message (TSC1_BE) Time-Out from Brake System
U11226399CAN – Message (TSC1_TE) Time-Out from Transmission System
U11246399CAN – Message (TSC1_VE) Time-Out from Vehicle Control System
U11266399CAN – Message (TSC1_SE) Time-Out from Body Builder Module
U112A6099CAN – Message (ACM) Time-Out from Aftertreatment System
U112C348119CAN Communication – Message (AT1FC1) Out of Range, Fuel Rate from Aftertreatment System
U112DCAN – Message (AT1FC1) Time-Out from Aftertreatment System
U112F352219CAN Communication – Message (AT1HI) Out of Range, Total Fuel Used from Aftertreatment System
U1130582719CAN Communication – Message (AT1HI) Out of Range, Distance Between Active DPF Regenerations from Aftertreatment System
U11326399CAN – Message (CM1) Time-Out from Vehicle System
U113416689CAN – Message (A1SCRDSR2) Time-Out from Aftertreatment System
U113612369CAN – Message (HRW) Time-Out from Brake System
U1137434619CAN Communication – Message (A1SCRDSI2) Out of Range, DEF Pipe Heater 4 State from Aftertreatment System
U113812359CAN – Message (TSC_AE) Time-Out from Brake System
U113A16689CAN – Message (AT1HI) Time-Out from Aftertreatment System
U113C434019CAN Communication – Message (A1SCRDSI2) Out of Range, DEF Pipe Heater 1 State from Aftertreatment System
U113D16689CAN – Message (A1SCRDSI2) Time-Out
U113F436319CAN Communication – Message (A1SCREGT) Out of Range, SCR Catalyst Outlet Gas Temperature from Aftertreatment System
U114412359CAN – Message (TD) Time-Out from Tachograph
U114516689CAN – Message (A1SCRRSI) Time-Out
U114716689CAN – Message (A1SCRRSI) Time-Out from Aftertreatment System
U11496399CAN – Message (DCUST1) Time-Out from Aftertreatment System
U114A16689CAN – Message (A1SCREGT) Time-Out from Aftertreatment System
U114D16689CAN – Message (A1SCRDSI1) Time-Out from Aftertreatment System
U11506399CAN – Message (EBC1) Time-Out from Brake System
U11546399CAN – Message (B) Time-Out from Brake System
U115951129VTG Turbocharger Actuator – CAN, Message Time-Out
U1160279519VTG Turbocharger Actuator Control – Data Erratic, Intermittent or Incorrect
U11616399CAN – Message (A1SCRAI2) Time-Out from Aftertreatment System
U1163584819CAN Communication – Message (A1SCRAI2) Out of Range, SCR Intermediate NH₃ from Aftertreatment System
U1164585019CAN Communication – Message (A1SCRAI2) Out of Range, SCR Intermediate NH₃ Reading Stable from Aftertreatment System
U11656399CAN – Message (AT1S) Time-Out from Aftertreatment System
U1167371919CAN Communication – Message (AT1S) Out of Range, Soot Load Percent from Aftertreatment System
U11686399CAN – Message (DPFC1) Time-Out from Aftertreatment System
U11796144219CAN Communication – Message (PROPB_VIC) Out of Range
U117A6399CAN – Message (A1SCREGT2) Time-Out from Aftertreatment System
U117C586219CAN Communication – Message (A1SCREGT2) Out of Range, Intermediate Gas Temperature from Aftertreatment System
U118459619CAN Communication – Message (CCVS) Out of Range, Cruise Control Enable Switch from Vehicle Control System
U118890419CAN Communication – Message (EBC2) Out of Range, Front Axle Speed from Brake System
U11906399CAN – Message (ERC1_DR) Time-Out from Retarder System
U11946399CAN – Message (DD) Time-Out from Vehicle Control System
U119812359CAN – Message (EBC2) Time-Out from Brake System
U120812359CAN – Message (PTO) Time-Out from Vehicle Control System
U140452319CAN Communication – Message (ETC2) Out of Range, Engaged Gear from Transmission System
U1406159019CAN Communication – Message (ACC1) Out of Range, Adaptive Cruise Control Mode from Advanced Emergency Braking System
U1407158819CAN Communication – Message (ACC1) Out of Range, Adaptive Cruise Control Set Speed from Advanced Emergency Braking System
U1408279519VTG Turbocharger Actuator Status – Data Erratic, Intermittent or Incorrect
U1409279519VTG Turbocharger Actuator State – Data Erratic, Intermittent or Incorrect
U140A279519VTG Turbocharger Actuator Effort – Data Erratic, Intermittent or Incorrect
U142F166819CAN Communication – Message (ACM_to_Eng) Out of Range, Estimated Pre-DOC Pressure from Aftertreatment System
U1501162319CAN Communication – Message (TCO1) Out of Range, Output Shaft Speed from Tachograph
U1502162419CAN Communication – Message (TCO1) Out of Range, Vehicle Speed from Tachograph
U153B98219CAN Communication – Message (PTO) Out of Range, Engine PTO Resume Switch
U154452019CAN Communication – Message (ERC1_DR) Out of Range, Retarder Torque Actual Percent from Retarder System
U1545171519CAN Communication – Message (ERC1_DR) Out of Range, Drivers Demand Retarder – Percent Torque from Retarder System
U1546108519CAN Communication – Message (ERC1_DR) Out of Range, Intended Retarder Percent Torque from Retarder System
U1547171619CAN Communication – Message (ERC1_DR) Out of Range, Retarder Selection, Non-Engine from Retarder System
U154819119CAN Communication – Message (ETC1) Out of Range, Transmission Output Shaft Speed from Transmission System
U154957319CAN Communication – Message (ETC1) Out of Range, Transmission Torque Converter Lockup Engaged from Transmission System
U155055619CAN Communication – Message (RC_DR) Out of Range, Reference Retarder Torque from Retarder System
U1551CAN Communication – Message (VDC1) Out of Range, Rollover Protection Active (Brake) from Brake System
U1552181619CAN Communication – Message (VDC1) Out of Range, Rollover Protection Active (Engine) from Brake System
U1553181919CAN Communication – Message (VDC1) Out of Range, Yaw Control Active (Brake) from Brake System
U1554181719CAN Communication – Message (VDC1) Out of Range, Yaw Control Active (Engine) from Brake System
U156252298619CAN Communication – Message (ACM_Limits) Out of Range, Turbine Outlet Flow Low Target Request from Aftertreatment System
U156352298519CAN Communication – Message (ACM_Limits) Out of Range, Turbine Outlet Flow Low Limit Request from Aftertreatment System
U156452298419CAN Communication – Message (ACM_Limits) Out of Range, Turbine Outlet Temperature Low Target Request from Aftertreatment System
U156552298319CAN Communication – Message (ACM_Limits) Out of Range, Turbine Outlet Temperature Upper Limit Request from Aftertreatment System
U15666399CAN – Message (ACM_LIMITS) Time-Out from Aftertreatment System
U1571EGR Valve Module – CAN, Message Time-Out
U1572EGR Valve Module State – Data Erratic, Intermittent, or Incorrect
U1573EGR Valve Module Position – Data Erratic, Intermittent, or Incorrect
U1574EGR Valve Module Temperature – Data Erratic, Intermittent, or Incorrect
U1575EGR Valve Module Effort – Data Erratic, Intermittent, or Incorrect
U1577BPV Actuator – CAN, Message Time-Out
U1578BPV Actuator Effort – Data Erratic, Intermittent, or Incorrect
U1579BPV Actuator Position – Data Erratic, Intermittent, or Incorrect
U157A562819BPV Actuator State – Data Erratic, Intermittent, or Incorrect
U157B562719BPV Actuator Temperature – Data Erratic, Intermittent, or Incorrect
U1700176119CAN Communication – Message (AT1T1I) Out of Range, DEF Tank Level from Aftertreatment System
U1702336319CAN Communication – Message (AT1T1I) Out of Range, DEF Tank Heating from Aftertreatment System
U1703914Remote Pedal – Voltage Too Low or Short Circuit to Ground
U171116689CAN – Message (AT1IMG) Time-Out from Aftertreatment System
U171616689CAN – Message (AT1OG2) Time-Out from Aftertreatment System
U172112359CAN – Message (VEP1) Time-Out from Aftertreatment System
U172616689CAN – Message (AT1GP) Time-Out from Aftertreatment System
U17286399CAN – Message (AT1OG1) Time-Out from Aftertreatment System
U1730CAN Communication – Message (AT1OG1) Out of Range, NOx After SCR from Aftertreatment System
U177B913Accelerator Pedal 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B41)
U177C914Accelerator Pedal 1 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B41)
U177D91Accelerator Pedal Sensor 1 Duty Cycle – Data Valid But Too High on ECU (D420) Pin (B41)
U177E911Accelerator Pedal Sensor 1 Duty Cycle – Data Valid But Too Low on ECU (D420) Pin (B41)
U177F918Accelerator Pedal 1 Frequency – Data Valid But Too High on ECU (D420) Pin (B41)
U17806399CAN – Message (TSC1 yye) Time-Out
U1781CAN – Message (TSC_PE) Time-Out
U1785CAN – Message (PROPB_EST) Time-Out from Retarder System
U1787CAN Communication – Message (PROPB_EST) Out of Range, Coolant Temperature from Retarder System
U1788CAN Communication – Message (PROPB_EST) Not Available, Coolant Temperature from Retarder System
U1789CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, Starter Interrupt from Body Builder Module
U178A6528019CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, ESC Enable from Body Builder Module
U178B6527919CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, ESC Resume or Set from Body Builder Module
U178C6527819CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, ESC n Variable from Body Builder Module
U178D6527719CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, ESC n Variable from Body Builder Module
U178E6527619CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, Application Speed Limiter Switch 1 from Body Builder Module
U178F6527519CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, ESC n2 from Body Builder Module
U1790CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, ESC n3 from Body Builder Module
U1791CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, Application Speed Limiter Switch 2 from Body Builder Module
U1792CAN Communication – Message (PROBA_BBM_to_Eng) Out of Range, Throttle Integration Switch from Body Builder Module
U1793CAN Communication – Message (PROPB_AST) Out of Range, Clutch Switch from Transmission System
U1794CAN Communication – Message (PROPB_AST) Not Available, Clutch Percent Torque from Transmission System
U1798CAN Communication – Message (EBC1) Out of Range, Engine Retarder Selection from Brake System
U1799CAN Communication – Message (TSC1 yye) Data Error
U179A6392CAN Communication – Message (TSC1_SE) Data Error from Body Builder Module
U179B6392CAN Communication – Message (TSC1_TE) Data Error from Transmission System
U179C6392CAN Communication – Message (TSC1_VE) Data Error from Vehicle Control System
U179D6392CAN Communication – Message (TSC1 xxe) Data Error
U179E6399CAN – Message (TSC1 xxe) Time-Out
U179F6399CAN – Message (TSC1 HCE) Time-Out from Aftertreatment System
U17A0Accelerator Pedal 1 Frequency – Data Valid But Too Low on ECU (D420) Pin (B41)
U17A1Accelerator Pedal 2 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B45)
U17A2Accelerator Pedal 2 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B45)
U17A3Accelerator Pedal Sensor 2 Duty Cycle – Data Valid But Too High on ECU (D420) Pin (B45)
U17A4Accelerator Pedal Sensor 2 Duty Cycle – Data Valid But Too Low on ECU (D420) Pin (B45)
U17A5Accelerator Pedal 2 Frequency – Data Valid But Too High on ECU (D420) Pin (B45)
U17A6Accelerator Pedal 2 Frequency – Data Valid But Too Low on ECU (D420) Pin (B45)
U17A7Accelerator Pedal – Sensor 1 and 2 Synchronization Malfunction
U17A8Accelerator Pedal – Malfunction
U17A9Accelerator Pedal Operation – Data Erratic, Intermittent or Incorrect
U17B0Water-in-Fuel Drain Control – Short Circuit to Supply on ECU (D420) Pin (A40)
U17B1Water-in-Fuel Drain Control – Short Circuit to Ground on ECU (D420) Pin (A40)
U17B3Water-in-Fuel Drain Control – Short Circuit to Supply on ECU (D420) Pin (A37)
U17B4Water-in-Fuel Drain Control – Short Circuit to Ground on ECU (D420) Pin (A37)
U17B5Water-in-Fuel Drain Control – Current Too Low or Open Circuit on ECU (D420) Pin (A37)
U17B6CAN Communication – Message (TSC1_AE) Data Error from Brake System
U17B7CAN Communication – Message (TSC1_BE) Data Error from Brake System
U17B8CAN Communication – Message (TSC1_HCE) Data Error from Aftertreatment System
U17B9CAN Communication – Message (TSC1_PE) Data Error
U17BAVTG Turbocharger Actuator Temperature – Data Erratic, Intermittent or Incorrect, at Ignition ON
U17C4CAN – Message (TSC1 ACXR) Time-Out
U17C5CAN – Message (TSC1_AXR) Time-Out
U17C6CAN – Message (TSC1_DXR) Time-Out from Retarder System
U17C7CAN – Message (TSCI_TXR) Time-Out from Transmission System
U17C8CAN – Message (TSC1_VXR) Time-Out
U17C9CAN – Message (TSC1_SXR) Time-Out
U17CACAN Communication – Message (TSC1_AXCR) Message Checksum
U17CBCAN Communication – Message (TSC1_AXR) Message Count from Brake System
U17CCCAN Communication – Message (TSC1_DXR) Message Count from Retarder System
U17CDCAN Communication – Message (TSC_TXR) Message Count from Transmission System
U17CECAN Communication – Message (TSC1_VXR) Message Count
U17CFCAN Communication – Message (TSC1_SXR) Message Count
U17D0CAN Communication – Message (TSC1_AXCR) Message Checksum
U17D1CAN Communication – Message (TSC1_AXR) Message Checksum from Brake System
U17D2CAN Communication – Message (TSC1_DXR) Message Checksum from Retarder System
U17D3CAN Communication – Message (TSC_TXR) Message Checksum from Transmission System
U17D4CAN Communication – Message (TSC1_VXR) Message Checksum
U17D5CAN Communication – Message (TSC1_SXR) Message Checksum
U17E4Remote Pedal – Voltage Too High or Short Circuit to Supply
U1802VTG Turbocharger Actuator Power Supply – Data Valid But Too High
U1803CAN Communication – Message (ACC1) Out of Range, Forward Collision Warning from Advanced Emergency Braking System
U1805CAN – Message (ACC2) Time-Out from Vehicle Control System
U1806CAN Communication – Message (ACM_to_Eng) Out of Range, Soot Level from Aftertreatment System
U180A97619CAN Communication – Message (PTO) Out of Range, PTO Governor State
U180B163319CAN Communication – Message (CCVS_VIC) Out of Range, Cruise Control Pause Switch from Vehicle Control System
U180C176019CAN Communication – Message (CVW) Out of Range, Gross Combination Vehicle Weight from Brake System
U180E6399CAN – Message (CVW) Time-Out from Brake System
U1810CAN – Message (EAS_EI_AECD) Time-Out from Aftertreatment System
U1812CAN – Message (EAS_SYS_INFO) Time-Out from Aftertreatment System
U1813CAN Communication – Message (EBC1_EBS) Out of Range, ASR Engine Control Active from Brake System
U1814CAN Communication – Message (EBC1_CECU) Out of Range, ASR Brake Control Active from Brake System
U1815CAN Communication – Message (EBC2) Out of Range, Relative Speed, Front Axle, Left Wheel from Brake System
U1816CAN Communication – Message (EBC2) Out of Range, Relative Speed, Front Axle, Right Wheel from Brake System
U1817CAN Communication – Message (ETC1) Not Available, Transmission Shift in Process from Transmission System
U1818CAN Communication – Message (ETC1) Out of Range, Transmission Shift in Process from Transmission System
U1819CAN Communication – Message (ETC1) Not Available, Engine Momentary Overspeed Enable from Transmission System
U181A60619CAN Communication – Message (ETC1) Out of Range, Engine Momentary Overspeed Enable from Transmission System
U181B60711CAN Communication – Message (ETC1) Not Available, Progressive Shift Disable from Transmission System
U181C60719CAN Communication – Message (ETC1) Out of Range, Progressive Shift Disable from Transmission System
U181D290011CAN Communication – Message (ETC7) Not Available, Transmission Engine Crank Enable from Transmission System
U181E290019CAN Communication – Message (ETC7) Out of Range, Transmission Engine Crank Enable from Transmission System
U181F52335219CAN Communication – Message (PROPB_SW) Out of Range, Cruise Control Set Plus Switch from Steering Wheel Switches
U1820CAN Communication – Message (PROPB_SW) Out of Range, Cruise Control Resume Min Switch from Steering Wheel Switches
U1821CAN Communication – Message (PROPB_SW) Out of Range, Speed Functions Off Switch from Steering Wheel Switches
U1822CAN Communication – Message (PROPB_SW) Out of Range, Downhill Speed Control Set Plus Switch from Steering Wheel Switches
U1823CAN Communication – Message (PROPB_SW) Out of Range, Downhill Speed Control Resume Min Switch from Steering Wheel Switches
U1824CAN Communication – Message (PROPB_SW) Out of Range, Variable Speed Limiter Set Switch from Steering Wheel Switches
U1825CAN – Message (PROPB_SW) Rate Too High from Steering Wheel Switches
U1826CAN – Message (PROPB_SW) Time-Out from Steering Wheel Switches
U1827CAN Communication – Message (PROPB_VIC) Not Available, Estimated Engine Parasitic Losses from Vehicle Control System
U1828CAN Communication – Message (PROPB_VIC) Out of Range, Estimated Engine Parasitic Losses from Vehicle Control System
U1829CAN Communication – Message (PROPB_VIC) Not Available
U182A52275619CAN Communication – Message (PROPB_VIC) Out of Range, Secondary Retarder Switch from Vehicle Control System
U182C52275719CAN Communication – Message (PROPB_VIC) Out of Range, KM/H, Miles/H Switch from Vehicle Control System
U182E52276019CAN Communication – Message (PROPB_VIC) Not Available, Primary Retarder by Stalk ON from Vehicle Control System
U1830CAN Communication – Message (PROPB_VIC) Out of Range, Primary Retarder by Stalk Off from Vehicle Control System
U1831CAN Communication – Message (PROPB_VIC) Not Available, Primary Retarder by Foot on from Vehicle Control System
U1832CAN Communication – Message (PROPB_VIC) Out of Range, Primary Retarder by Foot on from Vehicle Control System
U1833CAN Communication – Message (PROPB_VIC) Out of Range, Requested Percent Coolant Pump Speed from Vehicle Control System
U1835VTG Turbocharger Actuator – CAN, Message Time-Out
U1836CAN Communication – Message (PTO) Out of Range, Engine Remote PTO Governor Variable Speed Control Switch
U1837CAN Communication – Message (PTO) Out of Range, Engine Remote PTO Governor Preprogrammed Speed Control Switch
U1838CAN Communication – Message (PTO) Out of Range, Engine PTO Governor Enable Switch
U1839CAN Communication – Message (PTO) Out of Range, Remote PTO Governor Preprogrammed Speed Control Switch No. 2
U183B184519CAN Communication – Message (TCFG2) Out of Range, Transmission Torque Limit from Transmission System
U183C17719CAN Communication – Message (TRF1) Out of Range, Transmission Oil Temperature from Transmission System
U183E6399CAN – Message (TRF1) Time-Out from Transmission System
U183F181519CAN Communication – Message (VDC1) Out of Range, VDC Brake Light Request from Brake System
U1841CAN – Message (VDC2) Time-Out from Brake System
U1843CAN – Message (VDHR) Time-Out from Tachograph
U1844CAN Communication – Message (AIR1) Out of Range, Air Compressor Status from Air Supply System
U1846CAN – Message (AIR1) Time-Out from Air Supply System
U1847PCI ECU Software Verification – Incorrect
U1848EAS-3 ECU Software Verification – Incorrect
U1849NOx Sensor Before Catalyst Software Verification – Incorrect
U184B16689CAN – Message (TESTINHB_INF) Time-Out from Aftertreatment System
U184D567412CAN Communication – PCI ECU Cannot Start up Communication
U184E52335419CAN Communication – Message (PROPB_SW) Not Available, Speed Functions Off Switch from Steering Wheel Switches
U1850NOx Sensor After Catalyst Software Verification – Incorrect
U1851NH₃ Sensor Software Verification – Incorrect
U1852VTG Turbocharger Actuator Software Verification – Incorrect
U1853EGR Valve Module Software Verification – Incorrect
U1854BPV Actuator Software Verification – Incorrect
U1855Catalytic Convertor Temperature Sensors ECU Software Verification – Incorrect
U1856DOC DPF Temperature Sensors ECU Software Verification – Incorrect
U1857Humidity Sensor Software Verification – Incorrect
U1858Fault Exists with the DECECU 11 CVN Calculation
U185A16689CAN – Message (A1DEFI) Time-Out from Aftertreatment System
U185C352119CAN Communication – Message (A1DEFI) Out of Range, DEF Property from Aftertreatment System
U185E6399CAN – Message (EPSI) Time-Out from Aftertreatment System
U185F583519CAN Communication – Message (EPSI) Out of Range, PM Sensor from Aftertreatment System
U1863ECU Software Verification – Incorrect
U186F52335711CAN Communication – Message (PROPB_SW) Not Available, Variable Speed Limiter Set Switch from Steering Wheel Switches
U1870CAN – Message (PROPB_CECU) Time-Out from Vehicle Control System
U1872CAN Communication – Message (PROPB_CECU) Out of Range, Soft-Top Speed Limiter Switch from Vehicle Control System
U1873CAN Communication – Message (ETC1) Out of Range, Gear Engaged from Transmission System
U1874CAN Communication – Message (ETC2) Out of Range, Transmission Actual Gear Ratio from Transmission System
U1875CAN Communication – Message (VDC1) Out of Range, VDC Brake Light Request from Brake System
U1876CAN Communication – Message (AIR1) Out of Range, Air Pressure Circuit 1 from Air Supply System
U1877CAN Communication – Message (AIR1) Out of Range, Air Pressure Circuit 2 from Air Supply System
U1878CAN Communication – Message (VEP4) Out of Range, Power Electronics Carrier Remaining Charge from Vehicle Control System
U1879CAN Communication – Message (A1SCREGT) Out of Range, Exhaust Gas Temperature Before SCR Catalyst from Aftertreatment System
U1880CAN Communication – Message (VDC2) Out of Range, Longitudinal Acceleration from Brake System
U1890CAN Communication – Message (EBC1) Out of Range, Anti-Lock Brake System Active from Brake System
U1891CAN Communication – Message (EBC1) Data Not Correct or Available, Anti-Lock Brake System Active from Brake System
U1892CAN – Message (PROPB_SCD_1) Time-Out from Predictive Cruise Control
U1893CAN – Message (PROPB_SCD_1) Rate Too High from Predictive Cruise Control
U1894CAN Communication – Message (PROPB_SCD_1) Out of Range, Predictive Cruise Control Set Speed Delta from Predictive Cruise Control
U1895CAN Communication – Message (PROPB_ SCD_1) Not Available, Predictive Cruise Control Set Speed Delta from Predictive Cruise Control
U1896CAN Communication – Message (PROPB_ SCD_1) Out of Range, Predictive Cruise Control Downhill Speed Control Override Request from Predictive Cruise Control
U1897CAN Communication – Message (PROPB_SCD_1) Not Available, Predictive Cruise Control Downhill Speed Control Override Request from Predictive Cuise Control
U1898CAN Communication – Message (AT1IG1) Out of Range, O₂ Concentration Before Catalyst from NOx Sensor Before Catalyst
U1899CAN Communication – Message (AT1IG1) Out of Range O₂ Concentration Before Catalyst Reading Stable from NOx Sensor Before Catalyst
U1900CAN – Message (DPFC2) Time-Out from Aftertreatment System
U1901CAN – Message (DPFC2) Rate Too High from Aftertreatment System
U1902CAN Communication – Message (DPFC2) Out of Range, Fuel Rate from Aftertreatment System

For fast, accurate diagnostics and easy access to everything you need to fix your MX-13, trust Diesel Repair to keep your fleet running strong.