Sudden loss of high voltage power with unintended opening of electrical contractors, which may occur...
Peterbilt technical service bulletin 25PBC for 2022-2025 Peterbilt 579 and 2022-2025 Peterbilt 520.
- Bulletin number
- 25PBC (25PBC)
- Component
- Electrical system
- Summary
- Certain Peterbilt Battery Electric Vehicle (BEV) chassis equipped with certain Accelera High Voltage Interlock Loop(HVIL) circuit configurations may experience a sudden loss of high voltage power with unintended opening of electrical contractors, which may occur without warning. This can result in a loss of propulsion and may increase the risk of a crash. Software version verification, along with the installation of an upgraded circuit overlay harness kit, is required to address this issue.
Owners of these vehicles have filed 2 complaints in the electrical category.
Vehicles covered
- Peterbilt 579 2022-2025 2022202320242025
- Peterbilt 520 2022-2025 2022202320242025
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