AutoCodes – GMC – C12E6 GMC

C12E6 GMC Code - ABS Power Switch Circuit Open

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: C12E6 GMC indicates ABS Power Switch Circuit Open.
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 799

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C12E6 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 C12E6 GMC - ABS Power Switch Circuit Open - AutoCodes.com — C12E6 GMC Code - ABS Power Switch Circuit Open

What does this mean?

What are the Possible Causes of the DTC C12E6 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 C12E6 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 C12E6 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 C12E6 GMC 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 C12E6 GMC Code

1. What are the common symptoms of OBDII code C12E6 GMC ABS Power Switch Circuit Open?

The common symptoms include the ABS warning light being illuminated on the dashboard, loss of ABS functionality, and potential traction control issues.

2. What can cause the ABS Power Switch Circuit Open code to appear in a GMC vehicle?

This code is typically triggered by a malfunction in the ABS power switch circuit, which can be 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 Open issue in my GMC vehicle?

To diagnose this issue, you can use an OBDII scanner to retrieve the specific trouble code (such as C12E6) and then inspect the ABS wiring, power switch, and control module for any visible damage or defects.

4. Can I still drive my GMC vehicle with the ABS Power Switch Circuit Open code present?

While it may be possible to drive the vehicle with this code, it is not recommended as the ABS system may not function correctly, compromising your safety on the road. It is best to address the issue promptly.

5. What are some repair tips for resolving the ABS Power Switch Circuit Open code in a GMC vehicle?

Repairing this issue may involve repairing or replacing damaged wiring, replacing the faulty ABS power switch, or addressing any issues with the ABS control module. It is recommended to consult a professional mechanic for proper diagnosis and repair.

6. Is the ABS Power Switch Circuit Open code a serious issue in a GMC vehicle?

Yes, the ABS Power Switch Circuit Open code is a serious issue as it affects the functionality of the ABS system, which is crucial for maintaining control and stability while braking. Prompt attention and repair are necessary.

7. Can resetting the OBDII code C12E6 GMC ABS Power Switch Circuit Open temporarily fix the issue?

Resetting the code may temporarily turn off the warning light, but if the underlying issue causing the code is not addressed, it is likely to reappear. It is essential to diagnose and repair the root cause of the problem.

8. How much does it typically cost to repair the ABS Power Switch Circuit Open issue in a GMC vehicle?

The cost of repairing this issue can vary depending on the extent of the damage and the specific components that need to be replaced. It is advisable to obtain a quote from a reputable mechanic or dealership.

9. Can a DIY enthusiast fix the ABS Power Switch Circuit Open code in a GMC vehicle?

While some DIY enthusiasts may have the skills to diagnose and repair this issue, dealing with the ABS system requires a certain level of expertise and specialized tools. It is recommended to consult a professional mechanic for proper repair.

10. Will driving with the ABS Power Switch Circuit Open code cause further damage to my GMC vehicle?

Continued driving with the ABS Power Switch Circuit Open code can potentially cause further damage to the ABS system and compromise your safety on the road. It is best to address the issue promptly to prevent any additional damage.