ABS Brake Boost Solenoid Valve Circuit Performance
Table of contents
C12A7 BUICK Possible Causes
- Faulty Brake Pressure Modulator
- Brake Pressure Modulator harness is open or shorted
- Brake Pressure Modulator circuit poor electrical connection
How do I fix code C12A7 BUICK?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C12A7 BUICK code
The cost of diagnosing the C12A7 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C12A7 BUICK Description
The brake boost solenoid valve is used to control the amount of brake fluid flow from the high pressure accumulator, which provides brake assist and an improved brake pedal feel. The brake boost solenoid valve is an internal part of the brake pressure modulator.