DIESEL REPAIR BLOG

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International A26 (2021-2023) Fault Code List

by | August 13, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The International A26 engine is designed for performance, fuel economy, and lower emissions. From 2021 through 2023, this powerplant supported a range of Class 8 trucks with smart engineering and serviceability in mind. If you're servicing an A26, knowing the fault...
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International A26 (2024-2025) Fault Code List

by | August 13, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The International A26 engine continues to power Class 8 trucks with a strong balance of performance and fuel efficiency. For 2024 and 2025 models, technicians can benefit from staying current with the most up-to-date fault code information. International A26...
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International A26 (2017-2020) Fault Code List

by | August 12, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The International A26 engine, introduced in 2017, brought modern engineering and fuel efficiency to heavy-duty fleets. Known for its lightweight design and strong performance, it’s a favorite in long-haul applications. If you’re working on one of these engines, quick...
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How to See Diesel Repair in Action: 3 Ways to Experience the Industry’s Most Robust Diesel Repair Software

by | August 11, 2025 | Announcements, Diesel Repair, Product Tutorials and Software Updates | 0 Comments

See Diesel Repair in action. Watch the on-demand demo, book a live walkthrough, or start your free 14-day trial today!

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International DT466 (2004-2005) Fault Code List

by | August 11, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The International DT466 engine series continued its legacy into the mid-2000s, powering medium-duty trucks, buses, and vocational vehicles. Built for strength and serviceability, this generation featured early EGR systems that added complexity to diagnostics and...
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International DT466 (1996-2003) Fault Code List

by | August 9, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The International DT466 was a workhorse for fleets throughout the late '90s and early 2000s. Known for reliability and ease of maintenance, it powered everything from delivery trucks to school buses. If you're working on one of these engines, having access to the...
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PACCAR PX7 (2024-2025) Fault Code List

by | August 8, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The PACCAR PX7 engine continued to evolve in 2024 and 2025 with updates that improved fuel efficiency and onboard diagnostics. Whether you’re handling preventative maintenance or chasing a stubborn check engine light, this list gives you the fault codes you need to...
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PACCAR PX7 (2021-2023) Fault Code List

by | August 7, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The PACCAR PX7 engine saw further refinements in performance and emissions compliance from 2021 to 2023. Whether you're working on routine maintenance or in-depth diagnostics, this fault code list will help you troubleshoot more efficiently. PACCAR PX7 (2021–2023)...
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PACCAR PX7 (2017-2020) Fault Code List

by | August 6, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The PACCAR PX7 engine from 2017 to 2020 continued to power medium-duty trucks with dependable performance and advanced emissions technology. This fault code list helps you quickly identify and address issues to minimize downtime. PACCAR PX7 (2017–2020) Engine Overview...
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PACCAR PX7 (2013-2016) Fault Code List

by | August 5, 2025 | Diagnostic Guides and Troubleshooting, Diesel Repair, Maintenance Tips and Procedures | 0 Comments

The PACCAR PX7 engine continued to evolve between 2013 and 2016, offering improved emissions systems and durability in medium-duty applications. Whether you're working on a Kenworth or Peterbilt truck, this guide gives you fast access to the most important fault code...
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Detroit Diesel DD15 (2021-2022) Fault Codes List

Detroit Diesel DD15 (2021-2022) Fault Codes List

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The Detroit Diesel DD15 (2021-2022) is one of the most reliable heavy-duty engines, powering Freightliner and Western Star trucks with enhanced fuel economy, durability, and emissions control. Whether you’re a fleet manager, diesel technician, or truck owner, having access to fault codes, wiring diagrams, and repair manuals is essential for efficient troubleshooting.

In this guide, we provide a comprehensive list of DD15 Gen 5 fault codes, along with links to detailed repair instructions, parts cross-references, and labor time estimates inside Diesel Repair. Stay ahead of breakdowns and keep your DD15 engine running at peak performance!

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