NHTSARecalled Sep 29, 2023 · #23V661000
Delayed Trailer Brake Release/FMVSS 121
Hazard
Vehicle safety defect
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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." A delay in the trailer brake release can create instability to the trailer and increase the risk of a crash.
Product details
- Product
- Delayed Trailer Brake Release/FMVSS 121
- 2020-2024 Kenworth T480
- Type
- Vehicle
- Manufacturer
- PACCAR Incorporated
- Model numbers
- —
- UPCs
- —
What you should do
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.