NHTSA Recall 23V423000: Electrical system
PACCAR Incorporated reported this safety recall to NHTSA on , covering an estimated 4,967 vehicles. It affects 2021–2023 Peterbilt 579.
| NHTSA campaign | 23V423000 |
|---|---|
| Manufacturer campaign | 23PBD |
| Component | ELECTRICAL SYSTEM |
| Report received | June 13, 2023 |
| Owner notification | July 13, 2023 |
| Initiated by | Manufacturer |
Defect
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.
Safety risk
A damaged alternator cable increases the risk of a fire.
Remedy
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.
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.
Vehicles covered by recall 23V423000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.