AutoCodes – GMC – C12E7 GMC

C12E7 GMC Code - ABS Power Switch Circuit Shorted

Quick Answer

The Electronic Brake Control Module (EBCM) monitors the ABS Power Switch. Common causes include Faulty ABS Power Switch, ABS Power Switch harness is open or shorted, ABS Power Switch 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
C12E7 GMC indicates ABS Power Switch Circuit Shorted.
Common causes
Common causes include Faulty ABS Power Switch, ABS Power Switch harness is open or shorted, ABS Power Switch 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.
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Code Popularity 759
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 05, 2020
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Code C12E7 GMC Description

The Electronic Brake Control Module (EBCM) monitors the ABS Power Switch. The EBCM sets the OBDII code when the ABS Power Switch is not to factory specifications.
OBDII Code C12E7 GMC - ABS Power Switch Circuit Shorted - AutoCodes.com
C12E7 GMC Code - ABS Power Switch Circuit Shorted

What are the Possible Causes of the DTC C12E7 GMC?

  • Faulty ABS Power Switch
  • ABS Power Switch harness is open or shorted
  • ABS Power Switch circuit poor electrical connection

How to Fix the DTC C12E7 GMC?

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 C12E7 GMC 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 C12E7 GMC code?

Need more information on how to fix the C12E7 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C12E7 GMC code diagnosed by a professional: Find a repair shop in your area

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 C12E7 GMC Code

1. What are the common symptoms of OBDII code C12E7 GMC (ABS Power Switch Circuit Shorted)?

The common symptoms include the ABS warning light illuminated on the dashboard, loss of ABS functionality, and potential issues with the vehicle's stability control system.

2. What can cause the OBDII code C12E7 GMC to trigger?

This code is typically triggered by a short circuit in the ABS power switch circuit, often caused by damaged wiring, a faulty ABS power switch, or a problem with the ABS control module.

3. How can I diagnose the ABS Power Switch Circuit Shorted issue related to code C12E7 GMC?

Diagnosis involves using a diagnostic scanner to retrieve the trouble codes, inspecting the ABS power switch and related wiring for damage, and testing the ABS control module for proper operation.

4. Is it safe to drive my vehicle with the OBDII code C12E7 GMC active?

It is not recommended to drive the vehicle with this code active, as it may compromise the operation of the ABS system, affecting braking performance and overall vehicle safety.

5. What are some repair tips for addressing OBDII code C12E7 GMC?

Repair options may include repairing or replacing damaged wiring, replacing the ABS power switch, or addressing any issues with the ABS control module as necessary.

6. Can I reset the OBDII code C12E7 GMC on my own?

While you can clear the code with a diagnostic scanner, it is important to address the underlying issue causing the code to prevent it from recurring.

7. How much does it typically cost to repair the ABS Power Switch Circuit Shorted issue associated with code C12E7 GMC?

The cost of repair can vary depending on the extent of the damage and the specific components that need to be replaced. It is recommended to consult with a professional mechanic for an accurate estimate.

8. Will the ABS Power Switch Circuit Shorted issue cause my vehicle to fail an emissions test?

The ABS Power Switch Circuit Shorted issue itself may not directly cause your vehicle to fail an emissions test, but it is still important to address the underlying problem for the proper functioning of the ABS system.

9. Can extreme weather conditions contribute to triggering the OBDII code C12E7 GMC?

Extreme weather conditions, particularly moisture and corrosion, can exacerbate electrical issues and potentially contribute to triggering the ABS Power Switch Circuit Shorted code.

10. Is it possible for the OBDII code C12E7 GMC to resolve on its own?

The code is unlikely to resolve on its own, as it typically indicates a persistent issue with the ABS Power Switch Circuit that requires attention and repair.

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