C12B3 - ABS Master Cylinder Pressure Sensor Circuit Short To Battery

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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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: 1.0

    The 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 Description

The 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.
OBDII Code C12b3 - ABS Master Cylinder Pressure Sensor Circuit Short To Battery - AutoCodes.com

C12B3 More Information

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C12B3 Information for specific makes

  • C12B3 BUICK ABS Master Cylinder Pressure Sensor Circuit Short To Battery
  • C12B3 CADILLAC ABS Master Cylinder Pressure Sensor Circuit Short To Battery
  • C12B3 CHEVROLET ABS Master Cylinder Pressure Sensor Circuit Short To Battery
  • C12B3 GMC ABS Master Cylinder Pressure Sensor Circuit Short To Battery

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C12B3 Comments

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