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Peterbilt 579 Recall 23V423: Damaged Alternator Cable Can Cause Fire

NHTSA campaign 23V423, reported June 13, 2023, 4,967 vehicles potentially affected.

What this recall means for you

A fastener on the front spring bracket may have been installed with its head on the outside of the frame rail. Over time, this can chafe and damage the alternator positive cable.

A damaged alternator cable increases the risk of a fire. Owners should take this recall seriously and have their truck inspected as soon as possible.

Authorized dealers will replace the frame fastener and secure the alternator cable at no cost to you. Owner notification letters are expected to be mailed August 11, 2023. You can also contact Peterbilt customer service at 1-940-591-4220, and you should check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 23V423PACCAR Incorporated
Component
ELECTRICAL SYSTEM
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.
Risk
A damaged alternator cable increases the risk of a fire.
Remedy
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.

Affected vehicles

Peterbilt 579202120222023