The defect
PACCAR Incorporated (PACCAR) is recalling certain 2022-2025 Peterbilt 520, 579, and 2021-2025 Kenworth T680 trucks. The high voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive power.
The risk
A loss of drive power increases the risk of a crash.
The remedy
Dealers will update the software and replace the electrical harness, free of charge. Owner notification letters were mailed May 13, 2025. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's numbers for this recall are 25PBC and 25KWC.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T680 | 2021, 2022, 2023, 2024, 2025 |
| Peterbilt 520 | 2022, 2023, 2024, 2025 |
| Peterbilt 579 | 2022, 2023, 2024, 2025 |
Components: ELECTRICAL SYSTEM:PROPULSION SYSTEM
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 | 2021 | 0 | 7 |
| Kenworth T680 | 2022 | 2 | 10 |
| Kenworth T680 | 2023 | 9 | 9 |
| Kenworth T680 | 2024 | 5 | 7 |
| Kenworth T680 | 2025 | 0 | 9 |
| Peterbilt 520 | 2022 | 0 | 4 |
| Peterbilt 520 | 2023 | 0 | 5 |
| Peterbilt 520 | 2024 | 0 | 8 |
| Peterbilt 520 | 2025 | 0 | 7 |
| Peterbilt 579 | 2022 | 7 | 15 |
| Peterbilt 579 | 2023 | 3 | 11 |
| Peterbilt 579 | 2024 | 3 | 7 |
| Peterbilt 579 | 2025 | 0 | 7 |
Other electrical system recalls in 2025
148 of the 891 recall campaigns reported to NHTSA in 2025 concerned the electrical system; PACCAR Incorporated filed 154 campaigns in all.
| 25V914000 31 Dec 2025 | Braun Industries, Inc. |
| 25V906000 23 Dec 2025 | BMW of North America, LLC |
| 25V911000 23 Dec 2025 | Honda (American Honda Motor Co.) |
| 25V905000 23 Dec 2025 | Tiffin Motorhomes, Inc. |
| 25V897000 19 Dec 2025 | Blue Bird Body Company |
| 25V895000 19 Dec 2025 | Coach and Equipment Mfg. Corp. |
| 25V894000 19 Dec 2025 | Mercedes-Benz USA, LLC |
| 25V886000 18 Dec 2025 | Ford Motor Company |
NHTSA recalls (public domain) · all recalls of 2025