AutoCodes – Hummer – C0246 Hummer

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

Quick Answer

The Anti-Lock Brake System (ABS) relay supplies battery voltage to six valve solenoids. Common causes include 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. 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 Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,705
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 04, 2020
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Code C0246 Hummer 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 C0246 Hummer - Electronic Brake Control Module Control Valve Circuit Malfunction - AutoCodes.com
C0246 Hummer Code - Electronic Brake Control Module Control Valve Circuit Malfunction

What are the Possible Causes of the DTC C0246 Hummer?

  • 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

How to Fix the DTC C0246 Hummer?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0246 Hummer code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C0246 Hummer code?

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Need Help with the Code?

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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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