Electrical system: softwareRecall 21V-906 · Kenworth and Peterbilt vehicles

PACCAR Incorporated recall 21V-906 covers 908 Kenworth and Peterbilt vehicles for a electrical system: software problem, reported to NHTSA on November 19, 2021. The manufacturer's latest report (2023 Q4) shows 47% of affected vehicles repaired.

47%
Vehicles repaired424 of 908 · 2023 Q4
Vehicles affected9087 models
ReportedNov 19, 2021Owners notified Jan 3, 2022
Complaints since9Same system, after the recall

Source: NHTSA recall 21V906000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

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.

What to do

The fix

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.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

Repair progress

How fast cars are being fixed

47%repaired

Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 7 vehicles were listed as unreachable.

0%50%100%2022 Q12023 Q4