Peterbilt · United States · Crit
Peterbilt 579: Electrical system
Affects Peterbilt 579 · 2021–2023 — about 5K vehicles.
The hazard
A damaged alternator cable increases the risk of a fire.
What to do
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.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational