Peterbilt 579: Electrical

Affects Peterbilt 579 · 2022–2023 — about 512 vehicles.

The hazard

Issue: On certain trucks, the alternator positive cable could be damaged by contact with a fastener for the left-front spring bracket. If this happens, the cable could create a short circuit. Note: This recall only affects trucks equipped with an MX-13 engine and a 160-A alternator. Safety Risk: A short circuit can create the risk of a fire. Corrective Actions: PACCAR will notify owners by mail and instruct you to bring your truck to a dealership to replace and relocate a fastener for the left-front spring bracket, and ensure the alternator cable is secured properly.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational