This PI addresses an issue where the
Chevrolet technical service bulletin PIT6474 for 2022-2024 Chevrolet Silverado 1500 and 2022-2024 GMC Sierra 1500.
- Bulletin number
- PIT6474
- Component
- Unknown or other
- Summary
- This PI addresses an issue where the customer may experience a loss of brake assist, accompanied by numerous MILs and warnings, after the engine has restarted following a stop/start event, caused by a drop in battery voltage tot he Brake System Control module. Dealers are to test the vehicle battery and update the Brake System control module with updated software.
Vehicles covered
- Chevrolet Silverado 1500 2022-2024 202220232024
- GMC Sierra 1500 2022-2024 202220232024
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