The Detroit Diesel Series 60 14.0L engine powered countless Class 8 trucks from 1999 through 2003. Well known for its durability, fuel economy, and straightforward design, this generation of the Series 60 featured refinements to its EGR system, cooling, and fuel injection that kept fleets running mile after mile.
Having a complete fault code list makes diagnosing problems quicker, helping you get trucks back on the road and reducing costly downtime.
Detroit Diesel Series 60 14.0L (1999–2003) Engine Overview
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Displacement: 14.0L
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Horsepower Range: 425–515 HP
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Torque: Up to 1,650 lb-ft
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Emissions System: EGR
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Fuel System: Unit Injection System (UIS)
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Applications: Freightliner Century, Columbia, Western Star, and other Class 8 trucks
📍 Get FREE Fault Code Information for all makes and models in Diesel Repair → Diesel Repair
Fault Codes for Detroit Diesel Series 60 14.0L (1999–2003)
| Fault | PID | SPN | FMI | SID | Title |
| 11 | 187 | 4 | Variable Speed Governor (VSG) Input Low | ||
| 12 | 187 | 3 | Variable Speed Governor (VSG) Input High | ||
| 13 | 111 | 6 | ACLS Failed Low | ||
| 13 | 111 | 4 | Coolant Level Circuit Low | ||
| 14 | 175 | 3 | Oil Temperature Circuit High | ||
| 14 | 110 | 3 | Coolant Temperature Circuit High | ||
| 15 | 175 | 4 | Oil Temperature Circuit Low | ||
| 15 | 110 | 4 | Coolant Temperature Circuit Low | ||
| 16 | 111 | 3 | Coolant Level Circuit High | ||
| 16 | 111 | 5 | ACLS Circuit High | ||
| 17 | 354 | 3 | Relative Humidity Sensor Circuit Failed High | ||
| 17 | 51 | 3 | Throttle Plate Input Voltage High | ||
| 18 | 51 | 4 | Throttle Plate Input Voltage Low | ||
| 18 | 354 | 4 | Relative Humidity Sensor Circuit Failed Low | ||
| 21 | 91 | 3 | Throttle Position Sensor (TPS) Circuit High | ||
| 22 | 91 | 4 | Throttle Position Sensor (TPS) Circuit Low | ||
| 23 | 174 | 3 | Fuel Temperature Circuit High | ||
| 24 | 174 | 4 | Fuel Temperature Circuit Low | ||
| 25 | DDEC System – No Active or Inactive Codes | ||||
| 26 | 11 | 25 | Auxiliary Shutdown No. 1 Active | ||
| 26 | 61 | 11 | Auxiliary Shutdown No. 2 Active | ||
| 27 | 172 | 3 | Air Temperature Circuit High | ||
| 28 | 172 | 4 | Air Temperature Circuit Low | ||
| 29 | 404 | 4 | Turbo Compressor Outlet (TCO) Low Voltage | ||
| 29 | 351 | 4 | Turbo Compressor Inlet (TCI) Low Voltage | ||
| 31 | 4 | 51 | PWM Valve Power Open or Short to Ground | ||
| 31 | 3 | 52 | EGR Solenoid Power Open or Short to Ground | ||
| 31 | 3 | 51 | PWM Valve Power Open or Short to Ground | ||
| 31 | 4 | 52 | EGR Solenoid Power Open or Short to Ground | ||
| 32 | 3 | 238 | SEL Short to Battery | ||
| 32 | 4 | 238 | SEL Open Circuit | ||
| 32 | 4 | 239 | CEL Open Circuit | ||
| 32 | 3 | 239 | CEL Short to Battery | ||
| 33 | 102 | 3 | Turbo Boost Sensor (TBS) Circuit High | ||
| 34 | 102 | 4 | Turbo Boost Sensor (TBS) Circuit Low | ||
| 35 | 100 | 3 | Oil Pressure Circuit High | ||
| 36 | 100 | 4 | Oil Pressure Circuit Low | ||
| 37 | 95 | 3 | Fuel Restriction Input Voltage High | ||
| 37 | 94 | 3 | Fuel Pressure Input Voltage High | ||
| 38 | 94 | 4 | Fuel Pressure Sensor (FPS) Input Voltage Low | ||
| 38 | 95 | 4 | Fuel Pressure Restriction (FRS) Input Voltage Low | ||
| 39 | 7 | 152 | EGR Valve Not Responding (Temporary Code) | ||
| 39 | 12 | 147 | VNT Vanes Not Responding – Boost Jake | ||
| 39 | 2 | 147 | VNT Vanes Not Responding – Boost Power | ||
| 39 | 12 | 146 | EGR Leak – Boost Jake | ||
| 39 | 7 | 146 | EGR Valve Not Responding | ||
| 39 | 7 | 147 | VNT Vanes Not Responding – EGR | ||
| 39 | 2 | 146 | EGR Leak – Boost Power | ||
| 39 | 11 | 147 | VNT Vanes at Max – Jake | ||
| 39 | 14 | 147 | EGR Flow Too Low | ||
| 39 | 7 | 153 | VNT Vanes Not Responding (Temporary Code) | ||
| 41 | 21 | Too Many Synchronous Reference Sensor (SRS) Pulses | |||
| 42 | 21 | 1 | Too Few Synchronous Reference Sensor (SRS) Pulses | ||
| 43 | 111 | 1 | Coolant Level Low | ||
| 44 | 110 | Coolant Temperature High | |||
| 44 | 175 | Oil Temperature High | |||
| 45 | 100 | 1 | Oil Pressure Low | ||
| 46 | 168 | 1 | Battery Supply Voltage Below Recommended Operating Range | ||
| 47 | 106 | Air Inlet Pressure High (Gas Fueled Engines) | |||
| 47 | 94 | Fuel Pressure High | |||
| 47 | 102 | Turbo Boost Pressure High (Diesel Fueled Engines) | |||
| 48 | 155 | 1 | EGR Delta Pressure Low (32.xx ECM Software and Lower) | ||
| 48 | 404 | 1 | TCO Temperature Below Range | ||
| 48 | 94 | 1 | Fuel Pressure Low | ||
| 48 | 154 | 1 | EGR Temperature Low (32.xx ECM Software and Lower) | ||
| 48 | 411 | 1 | EGR Delta Pressure Low (35.00 ECM Software and Higher) | ||
| 48 | 106 | 1 | Air Inlet Pressure Low (Gas Fueled Engines) | ||
| 48 | 412 | 1 | EGR Temperature Low (35.00 ECM Software and Higher) | ||
| 48 | 351 | 1 | TCI Temperature Below Range | ||
| 49 | 351 | TCI Temperature Above Range | |||
| 49 | 404 | TCO Temperature Above Range | |||
| 49 | 404 | 14 | TCO De-Rate | ||
| 51 | 404 | 3 | TCO Temperature Failed High | ||
| 51 | 351 | 3 | TCI Temperature Failed High | ||
| 52 | 12 | 254 | Analog to Digital (A/D) Converter Device – Malfunctioned | ||
| 53 | 12 | 253 | EEPROM Write Fail | ||
| 53 | 2 | 253 | Non-Volatile Checksum Incorrect | ||
| 54 | 84 | 12 | VSS Fault | ||
| 55 | 84 | 12 | J1939 Data Link Fault | ||
| 55 | 86 | 14 | J1939 Data Link Fault | ||
| 55 | 12 | 231 | ECM Fault | ||
| 55 | 14 | 216 | Missing Other ECU | ||
| 56 | 12 | 250 | J1587 Data Link Fault | ||
| 57 | 12 | 249 | J1922 Data Link Fault | ||
| 58 | 92 | Torque Overload | |||
| 61 | 2 | Injector 2 Response Long | |||
| 61 | 3 | Injector 3 Response Long | |||
| 61 | 1 | Injector 1 Response Long | |||
| 61 | 4 | Injector 4 Response Long | |||
| 61 | 6 | Injector 6 Response Long | |||
| 61 | 5 | Injector 5 Response Long | |||
| 62 | 4 | 40 | Auxiliary Output No. 2 – Open Circuit | ||
| 62 | 3 | 40 | Auxiliary Output No. 2 – Short to Battery | ||
| 62 | 3 | 53 | Auxiliary Output No. 5 – Short to Battery | ||
| 62 | 4 | 56 | Auxiliary Output No. 8 – Open Circuit | ||
| 62 | 3 | 26 | Auxiliary Output No. 1 – Short to Battery | ||
| 62 | 4 | 54 | Auxiliary Output No. 6 – Open Circuit | ||
| 62 | 3 | 55 | Auxiliary Output No. 7 – Short to Battery | ||
| 62 | 3 | 54 | Auxiliary Output No. 6 – Short to Battery | ||
| 62 | 4 | 55 | Auxiliary Output No. 7 – Open Circuit | ||
| 62 | 4 | 53 | Auxiliary Output No. 5 – Open Circuit | ||
| 62 | 3 | 40 | Auxiliary Output No. 2 – Short to Battery | ||
| 62 | 3 | 53 | Auxiliary Output No. 5 – Short to Battery | ||
| 63 | 4 | 58 | PWM No. 2 – Open Circuit | ||
| 63 | 4 | 59 | PWM No. 3 – Open Circuit | ||
| 63 | 4 | 57 | PWM No. 1 – Open Circuit | ||
| 63 | 3 | 57 | PWM No. 1 – Short to Battery | ||
| 63 | 3 | 59 | PWM No. 3 – Short to Battery | ||
| 63 | 3 | 58 | PWM No. 2 – Short to Battery | ||
| 63 | 3 | 60 | PWM No. 4 – Short to Battery | ||
| 63 | 4 | 60 | PWM No. 4 – Open Circuit | ||
| 64 | 103 | 8 | Turbo Speed Sensor Input Failure | ||
| 64 | 103 | Turbo Overspeed | |||
| 65 | 107 | 3 | Air Filter Sensor Voltage High (Diesel Engines) | ||
| 65 | 51 | Throttle Plate Above Normal Range (Gas Engines) | |||
| 65 | 51 | 7 | Throttle Plate Not Responding | ||
| 65 | 51 | 1 | Throttle Plate Below Normal Range (Gas Engines) | ||
| 65 | 107 | 4 | Air Filter Sensor Voltage Low (Diesel Engines) | ||
| 66 | 99 | 3 | Oil Filter Sensor Input Voltage High (Diesel Engines) | ||
| 66 | 99 | 4 | Oil Filter Sensor Input Voltage Low (Diesel Engines) | ||
| 66 | 76 | Knock Level Above Normal Range (Gas Engines) | |||
| 66 | 7 | 76 | Knock Level Torque Reduction (Gas Engines) | ||
| 66 | 3 | 76 | Knock Sensor Input Voltage High (Gas Engines) | ||
| 66 | 4 | 76 | Knock Sensor Input Voltage Low (Gas Engines) | ||
| 67 | 109 | 3 | Coolant Pressure Sensor Input Voltage High (Diesel Engines) | ||
| 67 | 106 | 3 | Air Inlet Pressure Sensor Input Voltage High (Gas Engines) | ||
| 67 | 106 | 4 | Air Inlet Pressure Sensor Input Voltage Low (Gas Engines) | ||
| 67 | 109 | 4 | Coolant Pressure Sensor Input Voltage Low (Diesel Engines) | ||
| 68 | 5 | 230 | Idle Validation Switch (IVS) – Open Circuit | ||
| 68 | 6 | 230 | Idle Validation Switch (IVS) – Short to Ground | ||
| 71 | 1 | 6 | Injector No. 6 – Short Response Time | ||
| 71 | 1 | 5 | Injector No. 5 – Short Response Time | ||
| 71 | 1 | 4 | Injector No. 4 – Short Response Time | ||
| 71 | 1 | 3 | Injector No. 3 – Short Response Time | ||
| 71 | 1 | 1 | Injector No. 1 – Short Response Time | ||
| 71 | 1 | 2 | Injector No. 2 – Short Response Time | ||
| 72 | 84 | 11 | Overspeed without Fuel Limit Has Been Exceeded | ||
| 72 | 84 | Overspeed with Fuel Limit Has Been Exceeded | |||
| 73 | 1 | 77 | Gas Valve Position – Below Normal Range (Gas Engines) | ||
| 73 | 3 | 227 | Shift Knob Voltage Above Normal or Shorted High (Diesel Engines) | ||
| 73 | 4 | 227 | Shift Knob Voltage Below Normal or Shorted Low (Diesel Engines) | ||
| 73 | 11 | 226 | Neutral / In-Gear Switch Fault (Diesel Engines) | ||
| 73 | 3 | 77 | Gas Valve Position – Input voltage High (Gas Engines) | ||
| 73 | 107 | Air Filter Restriction High (Diesel Engines) | |||
| 73 | 2 | 227 | Shift Knob Erratic, Intermittent or Incorrect (Diesel Engines) | ||
| 73 | 77 | Gas Valve Position – Above Normal Range (Gas Engines) | |||
| 73 | 14 | 151 | Stuck In Gear Detected (Diesel Engines) | ||
| 73 | 4 | 77 | Gas Valve Position – Input Voltage Low (Gas Engines) | ||
| 74 | 70 | 4 | Optimized Idle Safety Loop | ||
| 75 | 168 | Battery Voltage High | |||
| 76 | 121 | Engine Overspeed with Engine Brake | |||
| 77 | 73 | 1 | Fire Pump Pressure Below Range | ||
| 77 | 354 | 1 | Relative Humidity Below Range | ||
| 77 | 175 | 1 | Engine Oil Temperature Below Range | ||
| 77 | 174 | TCO Temperature Above Range (Temporary Code) | |||
| 77 | 172 | 1 | Air Inlet Temperature Below Range | ||
| 77 | 171 | 1 | Ambient Air Temperature Below Range | ||
| 77 | 171 | Ambient Air Temperature Above Range | |||
| 77 | 110 | 1 | Coolant Temperature Below Range | ||
| 77 | 108 | 1 | Barometric Pressure Below Range | ||
| 77 | 108 | Barometric Pressure Above Range | |||
| 77 | 107 | 1 | Air Filter Differential Pressure Below Range | ||
| 77 | 81 | 1 | Exhaust Back Pressure Below Range | ||
| 77 | 111 | Coolant Level Above Range | |||
| 77 | 109 | Coolant Pressure Above Range | |||
| 77 | 251 | 13 | Clock Module Failure | ||
| 77 | 252 | 13 | Clock Module Failure | ||
| 77 | 252 | 10 | Clock Module Abnormal Rate of Change | ||
| 77 | 251 | 10 | Clock Module Abnormal Rate of Change | ||
| 77 | 222 | 14 | Anti-Theft Fault Present | ||
| 77 | 174 | 1 | Fuel Temperature Below Range | ||
| 77 | 174 | 1 | TCO Temperature Below Range (Temporary Code) | ||
| 77 | 354 | Relative Humidity Above Range | |||
| 77 | 81 | Exhaust Back Pressure Above Range | |||
| 77 | 81 | 3 | Exhaust Back Pressure Failed High | ||
| 77 | 81 | 4 | Exhaust Back Pressure Failed Low | ||
| 77 | 81 | 12 | Exhaust Back Pressure at Ramp Down Threshold | ||
| 77 | 95 | 1 | Fuel Filter Differential Pressure Below Range | ||
| 77 | 99 | 1 | Oil Filter Differential Below Range | ||
| 77 | 100 | Engine Oil Pressure Above Range | |||
| 77 | 102 | 1 | Turbo Boost Pressure Below Range | ||
| 77 | 105 | 1 | Inlet Manifold Temperature Below Range | ||
| 77 | 174 | Fuel Temperature Above Range | |||
| 78 | 86 | 14 | Cruise Control / Adaptive Cruise Control (aka Smart Cruise) | ||
| 81 | 154 | 3 | EGR Temperature Circuit Failed High | ||
| 81 | 155 | 3 | EGR Delta P Circuit Failed High | ||
| 81 | 412 | 3 | EGR Temperature Circuit Failed High | ||
| 81 | 98 | 3 | Oil Level Sensor Input Voltage High | ||
| 81 | 411 | 3 | EGR Delta P Circuit Failed High | ||
| 81 | 173 | 3 | Exhaust Gas Temperature Circuit Failed High | ||
| 82 | 4 | 154 | EGR Temperature Failed Low | ||
| 82 | 98 | 4 | Oil Level Sensor Input Voltage Low | ||
| 82 | 4 | 155 | EGR Delta Pressure Failed Low | ||
| 82 | 173 | 4 | Exhaust Gas Temperature Circuit Failed Low | ||
| 82 | 4 | 411 | EGR Delta Pressure Failed Low | ||
| 82 | 4 | 412 | EGR Temperature Failed Low | ||
| 83 | 412 | EGR Temperature High | |||
| 83 | 173 | Exhaust Temperature High | |||
| 83 | 411 | EGR Delta Pressure High | |||
| 83 | 154 | EGR Temperature High | |||
| 83 | 155 | EGR Delta Pressure High | |||
| 83 | 73 | External Pump Pressure High | |||
| 84 | 98 | 1 | Oil Level Low | ||
| 85 | 190 | Engine Overspeed | |||
| 86 | 73 | 3 | PGS Sensor High | ||
| 87 | 73 | 4 | PGS Sensor Low | ||
| 88 | Coolant Pressure Low | ||||
| 89 | 111 | 12 | ACLS Fault | ||
| 89 | 95 | Fuel Inlet Restriction High | |||
| 90 | 168 | 1 | Engine Sensor Harness | ||
| 91 | 168 | 1 | Vehicle Harness |
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