Electrical system
Chevrolet technical service bulletin PIT5730A for 2020 Chevrolet Silverado 1500 and 2020 GMC Sierra 1500.
- Bulletin number
- PIT5730A
- Component
- Electrical system
- Summary
- This Preliminary information communicates repair information on Service Brake System, Reduced Engine Power, and Speed Limited messages on the DIC. Along with these messages, a SES MIL will be on and the brake pedal may feel hard. When checking for DTC's the Brake System Control Module (BSCM) with have set a P0606 and C0021. Dealers are to reprogram the BSCM with updated calibrations to correct the concern.
Owners of these vehicles have filed 199 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2020 2020
- GMC Sierra 1500 2020 2020
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