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AutoCodes - Generic - C0251

C0251 Code - Electronic Brake Control Module Control Valve Circuit Malfunction

- Code Popularity: 8,069 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C0251?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Electronic Brake Control Module (EBCM)
  • Electronic Brake Control Module (EBCM) harness is open or shorted
  • Electronic Brake Control Module (EBCM) circuit poor electrical connection
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How to Fix the DTC C0251?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0251 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

Code C0251 Description

The Anti-Lock Brake System (ABS) relay supplies battery voltage to six valve solenoids. The Electronic Brake Control Module (EBCM) microprocessor applies the grounds needed to activate each solenoid. The low side of each solenoid coil has a feedback circuit to the EBCM microprocessor. When a solenoid is commanded OFF, the feedback voltage is high. When a solenoid is commanded ON, the feedback voltage is low.

OBDII Code C0251 - Electronic Brake Control Module Control Valve Circuit Malfunction - AutoCodes.com
C0251 Code - Electronic Brake Control Module Control Valve Circuit Malfunction

Need More Information on the Code?

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Information for Specific Makes

  • C0251 Buick Electronic Brake Control Module Control Valve Circuit Malfunction
  • C0251 Cadillac Electronic Brake Control Module Control Valve Circuit Malfunction
  • C0251 Chevrolet Electronic Brake Control Module Control Valve Circuit Malfunction  
  • C0251 GMC Electronic Brake Control Module Control Valve Circuit Malfunction
  • C0251 Hummer Electronic Brake Control Module Control Valve Circuit Malfunction
  • C0251 Pontiac Electronic Brake Control Module Control Valve Circuit Malfunction
  • C0251 Saturn Electronic Brake Control Module Control Valve Circuit Malfunction

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Code C0251 comments

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