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Peterbilt 579 Recall 23V007: Stability control may misjudge truck weight, raising crash risk

NHTSA campaign 23V007, reported January 16, 2023, 46 vehicles potentially affected.

What this recall means for you

Incorrect software in the battery electric heavy duty electronic stability control system may underestimate the vehicle's mass. As a result, the stability control system may not perform as intended, which can increase the risk of a crash. These vehicles may also fail to comply with Federal Motor Vehicle Safety Standard 136 for electronic stability control systems on heavy vehicles.

An authorized dealer will update the software at no cost to you. Owner notification letters are expected to be mailed March 17, 2023. You can also contact PACCAR customer service: 1-425-828-5888 for Kenworth or 1-940-591-4220 for Peterbilt.

Check your vehicle identification number (VIN) for open recalls and schedule the free software update with an authorized dealer as soon as possible.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 23V007PACCAR Incorporated
Component
ELECTRONIC STABILITY CONTROL (ESC)
Problem
PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Peterbilt 579 and 2023 Kenworth T680 vehicles. Incorrect software in the battery electric heavy duty electronic stability control program may underestimate the mass of the vehicle. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 136, "Electronic Stability Control Systems on Heavy Vehicles."
Risk
An incorrect estimate of the vehicle mass can reduce the performance of the stability control system and increase the risk of a crash.
Remedy
Dealers will update the software, free of charge. Owner notification letters are expected to be mailed March 17, 2023. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth) and 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 23PBA and 23KWA.
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.

Affected vehicles

Kenworth T6802023
Peterbilt 57920222023