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Kenworth work brake (winch brake) may unintentionally disengage the service brakes during winching operations, causing the vehicle to roll.

NHTSA campaign 21V-906 · Reported November 19, 2021 · 908 vehicles affected

AFFECTED MODELS
Kenworth T880, W990, 389, 536, 537, 567 and 579
VEHICLES AFFECTED
908
REMEDY
Dealers will update the vehicle software, free of charge.
COST
Free

The short version

PACCAR Incorporated reported a problem with the electrical system software. Here is what owners need to know.

WHAT

The work brake (winch brake) may unintentionally disengage the service brakes during winching operations, causing the vehicle to roll.

WHY IT MATTERS

Unintended vehicle movement can increase the risk of a crash or injury.

WHAT TO DO

Take it to a dealer — they will update the vehicle software, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 21V-906.

YEAR RANGEMODEL
2019–2022Kenworth T880
2019–2022Kenworth W990
2019–2022Peterbilt 389
2022Peterbilt 536
2022Peterbilt 537
2019–2022Peterbilt 567
2019–2022Peterbilt 579

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with PACCAR Incorporated or the National Highway Traffic Safety Administration.