PETERBILT 548 2021: SERVICE BRAKES, AIR

General Information

NHTSA Campaign ID Number: 23V661000

Make Model Year
PETERBILT 548 2021
Date Owners Notified Date Received by ODI Date Added to Database
2024-01-15 2023-09-29 2023-10-02

Manufacturers Involved: PACCAR Incorporated

Manufacturer Campaign Number: 23KWJ, 23PBJ

Component: SERVICE BRAKES, AIR

Potential Number Of Units Affected: 254

Report Initiator: MFR MFR Report

Federal Motor Vehicle Safety Standard Number: 121

Summary

PACCAR Incorporated "PACCAR" is recalling certain 2021-2024 Kenworth T280, T380, 2020-2024 Peterbilt 548, 536, 2024 Peterbilt 537, and 2020-2024 Kenworth T480 trucks. The timing of the trailer brake release may be delayed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Consequence

A delay in the trailer brake release can create instability to the trailer and increase the risk of a crash.

Remedy

Dealers will replace the fittings and hoses in the affected valves, free of charge. Owner letters were mailed January 15, 2024. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 23KWJ and 23PBJ.

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.