The defect
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."
The risk
An incorrect estimate of the vehicle mass can reduce the performance of the stability control system and increase the risk of a crash.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T680 | 2023 |
| Peterbilt 579 | 2022, 2023 |
Components: ELECTRONIC STABILITY CONTROL (ESC)
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Kenworth T680 | 2023 | 9 | 9 |
| Peterbilt 579 | 2022 | 7 | 15 |
| Peterbilt 579 | 2023 | 3 | 11 |
Other electronic stability control (esc) recalls in 2023
10 of the 894 recall campaigns reported to NHTSA in 2023 concerned the electronic stability control (esc); PACCAR Incorporated filed 154 campaigns in all.
| 23V807000 1 Dec 2023 | Mercedes-Benz USA, LLC |
| 23V801000 28 Nov 2023 | Ford Motor Company |
| 23V691000 13 Oct 2023 | Mack Trucks, Inc. |
| 23V689000 13 Oct 2023 | Volvo Trucks North America |
| 23V461000 30 Jun 2023 | Mobility Ventures LLC |
| 23V453000 28 Jun 2023 | Daimler Trucks North America, LLC |
| 23V360000 19 May 2023 | Mercedes-Benz USA, LLC |
| 23V299000 26 Apr 2023 | Daimler Trucks North America, LLC |
NHTSA recalls (public domain) · all recalls of 2023