Recall 23V423000: 2021–2023 Peterbilt 579
- Report received
- Jun 13, 2023
- Manufacturer
- PACCAR Incorporated
- Potentially affected
- 4,967vehicles
- Model years
- 2021–2023
Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.
What NHTSA recorded
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.
Possible consequence
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.
Affected model years
Pages for each model year show complaints, parts, mileage and other recalls.
- 2021 Peterbilt 5791 complaints
- 2022 Peterbilt 5797 complaints
- 2023 Peterbilt 5793 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.