Peterbilt recall: Electrical system
What is wrong
PACCAR, Incorporated (PACCAR) is recalling certain 2021-2023 Peterbilt 579 vehicles equipped with MX-13 engines and 160-amp alternators. A fastener on the front spring bracket may have been installed with the head on the outside of the frame rail, which can chafe and damage the alternator positive cable.
What could happen
A damaged alternator cable increases the risk of a fire.
The fix
Dealers will replace the frame fastener and secure the alternator cable, free of charge. Owner notification letters are expected to be mailed August 11, 2023. Owners may contact Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 23PBD.
Vehicles covered
- Peterbilt 579 2021–2023
Facts
- NHTSA recall number
- 23V423000
- Type
- Vehicle
- Filed by
- Paccar Incorporated
- Reported to NHTSA
- Jun 13, 2023
- Owners notified
- Jul 13, 2023
- Vehicles or items affected
- 4,967
- Started by
- The manufacturer
- Built
- –
- Part
- Electrical system
- Maker's own recall number
- 23PBD
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Other recalls for the same vehicles
- Kenworth / Peterbilt recall: Seat belts Oct 14, 2026
- Kenworth / Peterbilt recall: Seats Aug 21, 2026
- Kenworth / Peterbilt recall: Electrical system Jul 27, 2026
- Kenworth / Peterbilt recall: Service brakes, air Jul 8, 2026
- Kenworth / Peterbilt recall: Exterior lighting Jun 26, 2025
- Kenworth / Peterbilt recall: Electrical system Mar 24, 2025
To check one car, enter its 17-character VIN on the official NHTSA page: a recall may cover only some vehicles of a model year.
Recall data: National Highway Traffic Safety Administration (NHTSA). Nebula is not affiliated with or endorsed by NHTSA.