Electrical System

NHTSA campaign 23V423000 · announced June 13, 2023 · filed by Paccar Incorporated · 4,967 units affected

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.

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.

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 this recall

• 2021 Peterbilt 579
• 2022 Peterbilt 579
• 2023 Peterbilt 579

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal or repair advice.