- The problem
- 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.
- The risk
- 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.
Electrical system
2021 Peterbilt 579 Electrical problems
No owner has filed a complaint about the 2021 Peterbilt 579's electrical system with NHTSA. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.
- Complaints
- 0
- Recalls
- 2
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Electrical recalls for the 2021 Peterbilt 579
- The problem
- PACCAR Incorporated (PACCAR) is recalling certain 2016-2022 Peterbilt 567, 579, 2021-2022 Peterbilt 536, 2017-2021 Kenworth T880, 2016-2022 Kenworth T680, 2018-2020 Kenworth T440, 2020 Kenworth T270, and 2021 Kenworth T280 vehicles. The methane detection system will not function if the system loses power.
- The risk
- The operator may be unaware of a system malfunction or the presence of excessive methane levels, increasing the risk of injury or fire.
- The fix
- Dealers will re-wire the warning alarm, free of charge. Owner notification letters were mailed December 1, 2022. Owners may contact Peterbilt customer service at 1-940-591-4220, and Kenworth customer service at 1-425-828-5888. PACCAR's numbers for this recall are 21KWH and 21PBN.
Electrical complaints
No complaints about this area yet.
Peterbilt 579 electrical complaints by year
579 electrical problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data