C12B3 - ABS Master Cylinder Pressure Sensor Circuit Short To Battery
C12B3 Possible Causes
- Faulty Brake Pressure Modulator
- Brake Pressure Modulator harness is open or shorted
- Brake Pressure Modulator circuit poor electrical connection
First diagnose C12B3 code
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 terminals.
Cost of diagnosing the C12B3 code
Labor: 1.0The cost of diagnosing the C12B3 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.
C12B3 Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C12b3 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.
C12B3 More InformationNeed more information on how to fix the C12B3 code?
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C12B3 Information for specific makes
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