2019–2022 Kenworth T880, 2019–2022 Kenworth W990, 2019–2022 Peterbilt 389 and 4 other models Recall: Work brake (winch brake) may unintentionally disengage the service brakes…
NHTSA campaign 21V906000 · Electrical System · filed Nov 19, 2021 · verified Jul 30, 2026
The defect
PACCAR Incorporated (PACCAR) is recalling certain 2019-2022 Kenworth T880, W990, Peterbilt 567, 579, 389, and 2022 Peterbilt 536, 537 wrecker and auto hauler vehicles. The work brake (winch brake) may unintentionally disengage the service brakes during winching operations, causing the vehicle to roll.
The risk
Unintended vehicle movement can increase the risk of a crash or injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will update the vehicle software, free of charge. Owner notification letters were mailed on January 3, 2022. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth); or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWG and 21PBM.
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
Related recalls
More Kenworth T880 recalls
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Other campaigns involving Kenworth vehicles
Source: NHTSA recall database, campaign 21V906000 (manufacturer number 21KWG and 21PBM). Data last verified Jul 30, 2026.