NHTSA Recall 21V906000: Software (electrical system) and service brakes, air
PACCAR Incorporated reported this safety recall to NHTSA on , covering an estimated 908 vehicles. It affects 7 models including the Kenworth T880.
| NHTSA campaign | 21V906000 |
|---|---|
| Manufacturer campaign | 21KWG and 21PBM |
| Components | ELECTRICAL SYSTEM › SOFTWARE; SERVICE BRAKES, AIR |
| Report received | November 19, 2021 |
| Owner notification | January 3, 2022 |
| Initiated by | Manufacturer |
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.
Safety risk
Unintended vehicle movement can increase the risk of a crash or injury.
Remedy
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.
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.
Vehicles covered by recall 21V906000
| Make and model | Model years |
|---|---|
| Kenworth T880 | 2019, 2020, 2021, 2022 |
| Kenworth W990 | 2019, 2020, 2021, 2022 |
| Peterbilt 389 | 2019, 2020, 2021, 2022 |
| Peterbilt 536 | 2022 |
| Peterbilt 537 | 2022 |
| Peterbilt 567 | 2019, 2020, 2021, 2022 |
| Peterbilt 579 | 2019, 2020, 2021, 2022 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.