OFFICIAL CAMPAIGN FILE

NHTSA campaign 23V661000

NHTSA campaign 23V661000 covers 21 published year-and-model reports from 2 makes in this index and lists 254 potentially affected units campaign-wide. VIN eligibility must be checked separately.

Report received September 29, 2023 · Snapshot September 21, 2026

01 / DEFECT RECORD

What NHTSA campaign 23V661000 says

NHTSA campaign 23V661000 identifies SERVICE BRAKES, AIR and states that A delay in the trailer brake release can create instability to the trailer and increase the risk of a crash.

Defect 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 summary

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

02 / CORRECTIVE ACTION

Remedy for NHTSA campaign 23V661000

For NHTSA campaign 23V661000, the filed corrective action says: 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.

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.

Owner notification: January 15, 2024
Filing manufacturer: PACCAR Incorporated
Component groups: SERVICE BRAKES, AIR

03 / PUBLISHED VEHICLES

Vehicles listed under NHTSA campaign 23V661000

RecallRoad links 21 year-and-model reports associated with NHTSA campaign 23V661000; the list reflects published source rows, not individual VIN coverage.