Service bulletins for the 2025 Peterbilt 579
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
95 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Fuel system are shown. Show all
| E318 | 2025-07-02. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM. Newly designed fuel injectors are available for EPA2021 compliant PACCAR MX-series engines to optimize engine performance. Injectors must be replaced as a full set (6 injectors) and associated software must be updated at the same time. |
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| R2405 - PB | 2025-05-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM. Due to parts availability issues, this bulletin will be divided into 2 phases. Phase 1 will enable these chassis to be brought into emissions compliancebefore 06/30/2025 to avoid fi nes and penalties. Phase 2 will include all parts that are not currently available but are necessary to bring chassis up toproduction level. This bulletin will be updated once all Phase 2 parts become available . The emissions exemption for all chassis involved in this retrofi t expires on 06/30/2025. After that date, all chassis that have not received this Retrofi t willbe out of compliance with emissions regulations and illegal to operate . NOTE If emissions exemptions are allowed to expire, vehicle owners could receive civil fines per regulation 40 CFR 19.4 up to $5,911 per engine. In addition, owners may be required to discontinue operation of the vehicle until the retrofit is completed. Campaign start date: 04/18/25 |
| 24PBH | 2024-12-03. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. Safety Recall Reference Cummins Safety Recall C7083 Cummins alerted Peterbilt to a defect which relates to motor vehicle safety that may affect certain Cummins X15 engines. Refer to Cummins Safety Recall C7083 for repair information. |
| E290 | 2024-10-05. Service bulletin. FUEL/PROPULSION SYSTEM. FIX-AS-FAIL Updated to include EPA2024 compliant engines. Fuel Filters must be changed before first cleaning. EPA2021 injector cleaning is referenced in RMI for certain injector faults. Complete the procedures in E290. Discard any previous versions of E290 procedures – always use the most current document from the link in the bulletin. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.