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Engine-Codes – Hummer – C0246 Hummer

C0246 Hummer Code - Electronic Brake Control Module Control Valve Circuit Malfunction

Quick Answer

The C0246 diagnostic trouble code (DTC) for Hummer vehicles indicates a malfunction in the Electronic Brake Control Module (EBCM) Control Valve Circuit. Common causes include Faulty EBCM control valve, Damaged wiring or connectors in the control valve circuit, Corrosion or contamination in the ABS system components. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C0246 Hummer indicates Electronic Brake Control Module Control Valve Circuit Malfunction.
Common causes
Common causes include Faulty EBCM control valve, Damaged wiring or connectors in the control valve circuit, Corrosion or contamination in the ABS system components.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code C0246 Hummer Description

The C0246 diagnostic trouble code (DTC) for Hummer vehicles indicates a malfunction in the Electronic Brake Control Module (EBCM) Control Valve Circuit. The EBCM is a crucial component of the vehicle's anti-lock braking system (ABS) and traction control system. It is responsible for modulating brake pressure to prevent wheel lock-up during braking and maintain vehicle stability in various driving conditions.

OBDII Code C0246 Hummer - Electronic Brake Control Module Control Valve Circuit Malfunction
C0246 Hummer Code - Electronic Brake Control Module Control Valve Circuit Malfunction

Common Causes of C0246 Hummer

  1. Faulty EBCM control valve
  2. Damaged wiring or connectors in the control valve circuit
  3. Corrosion or contamination in the ABS system components
  4. Sensor malfunction or misalignment
  5. Internal EBCM failure due to wear or electronic issues

Symptoms of C0246 Hummer

  1. Illumination of the ABS warning light on the dashboard
  2. Traction control system malfunction or warning light activation
  3. Increased stopping distance or difficulty in braking
  4. Unusual noises or vibrations during braking
  5. Loss of stability control during cornering or slippery road conditions

How to Fix C0246 Hummer

  1. Begin by conducting a thorough visual inspection of the ABS system components, including the EBCM, control valve, wiring, and connectors.
  2. Use a diagnostic scan tool to retrieve the specific fault codes and data related to the C0246 DTC.
  3. Test the EBCM control valve circuit for continuity, voltage, and proper operation using a multimeter or oscilloscope.
  4. Replace any damaged wiring, connectors, or components identified during the inspection.
  5. Clear the DTCs from the vehicle's memory and perform a road test to verify that the issue has been resolved.

Cost to Fix C0246 Hummer

The typical repair costs for addressing a C0246 DTC in a Hummer vehicle can range from $200 to $600, depending on the extent of the issue and the specific components that require replacement. This estimate includes the cost of parts such as the EBCM control valve, wiring harness, and labor charges for diagnosis and repair. It is important to note that the actual repair costs may vary based on the location, vehicle make and model, and the rates charged by auto repair shops. Customers are advised to obtain multiple quotes from reputable shops to ensure a fair price for the repair.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C0246 Hummer Code

1. What are the common symptoms of OBDII code C0246 in a Hummer?

- Common symptoms include the illumination of the ABS warning light on the dashboard, decreased braking performance, and potential issues with the stability control system.

2. What causes the OBDII code C0246 in a Hummer?

- The code C0246 is typically caused by a malfunction in the electronic brake control module control valve circuit, which can be due to wiring issues, a faulty control module, or a problem with the control valve itself.

3. How can I diagnose the OBDII code C0246 in my Hummer?

- Diagnosing the code C0246 requires using an OBDII scanner to retrieve the specific fault code, checking the wiring and connections related to the electronic brake control module, and performing a thorough inspection of the control valve circuit.

4. Can I continue driving my Hummer with the OBDII code C0246?

- It is not recommended to drive your Hummer with the OBDII code C0246 present, as it can affect the proper functioning of the electronic brake control module and compromise your vehicle's braking system.

5. How can I repair the OBDII code C0246 in my Hummer?

- Repairing the code C0246 may involve repairing or replacing damaged wiring, repairing or replacing the electronic brake control module, or addressing any issues with the control valve circuit as recommended by a professional mechanic.

6. Are there any DIY tips for fixing the OBDII code C0246 in a Hummer?

- While some basic troubleshooting steps can be taken, it is recommended to seek assistance from a qualified mechanic for diagnosing and repairing the OBDII code C0246 to ensure proper resolution and safety.

7. How much does it typically cost to repair the OBDII code C0246 in a Hummer?

- The cost of repairing the OBDII code C0246 can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Will resetting the OBDII code C0246 make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the fault again.

9. Can the OBDII code C0246 cause any other problems in my Hummer?

- If left unresolved, the code C0246 can potentially lead to further damage to the electronic brake control module, affect the stability control system, and compromise the overall safety of your vehicle.

10. Is it necessary to take my Hummer to a dealership for repairing the OBDII code C0246?

- While dealerships have specialized knowledge and tools, independent auto repair shops with experience in handling electronic brake control module issues can also effectively diagnose and repair the OBDII code C0246 in your Hummer.

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