RecallPulseUpdated Oct 9, 2026

2021–2023 Peterbilt 579: Electrical System recall

NHTSA campaign 23V423000 · 4,967 units potentially affected · filed Jun 13, 2023

What's wrong

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.

Why it matters

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.

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.

Recall details

NHTSA campaign
23V423000
Manufacturer no.
23PBD
Manufacturer
Paccar Incorporated
Component
ELECTRICAL SYSTEM
Units affected
4,967
Report received
Jun 13, 2023
Owner letters
Jul 13, 2023
Type
Vehicle

Check whether your vehicle is included with the official NHTSA VIN lookup or your dealer. Repairs for safety recalls are free.

Vehicles covered