C012A BUICK - Brake Master Cylinder Pressure Sensor
- Faulty Brake Pressure Modulator
- Brake Pressure Modulator harness is open or shorted
- Brake Pressure Modulator circuit poor electrical connection
Tech notes- DTC C012A 00 Brake Master Cylinder Pressure Sensor Malfunction
- DTC C012A 01 Brake Master Cylinder Pressure Sensor Low Voltage/Open
- DTC C012A 06 Brake Master Cylinder Pressure Sensor Short to Ground or Open
- DTC C012A 11 Brake Master Cylinder Pressure Sensor High Input
- DTC C012A 0F Brake Master Cylinder Pressure Sensor Signal Erratic
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C012a Buick DescriptionThe Electronic Brake Control Module (EBCM) uses input from the master cylinder pressure sensor for more accurate control during a vehicle stability enhancement system event. The master cylinder pressure sensor is internal to the brake pressure modulator.
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