AutoCodes – Generic – C12E6

C12E6 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 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 1,043

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 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 - ABS Power Switch Circuit Open - AutoCodes.com — C12E6 Code - ABS Power Switch Circuit Open

What does this mean?

What are the Possible Causes of the DTC C12E6?

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?

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 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 code?

Need more information on how to fix the C12E6 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C12E6 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C12E6 Buick — ABS Power Switch Circuit Open
C12E6 Cadillac — ABS Power Switch Circuit Open
C12E6 Chevrolet — ABS Power Switch Circuit Open
C12E6 GMC — ABS Power Switch Circuit Open

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 Code

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

The common symptoms of OBDII code C12E6 include an illuminated ABS warning light on the dashboard, loss of ABS functionality, and potential issues with the vehicle's stability control system.

2. What can cause the ABS Power Switch Circuit Open error code C12E6?

The ABS Power Switch Circuit Open error code C12E6 is often caused by a faulty ABS power switch, damaged wiring or connectors in the ABS system, or a malfunctioning ABS control module.

3. How can I diagnose the ABS Power Switch Circuit Open code C12E6?

Diagnosing the ABS Power Switch Circuit Open code C12E6 usually involves using an OBDII scanner to read the code, conducting a visual inspection of the ABS system components, and testing the ABS power switch and related circuits for continuity and proper function.

4. Is it safe to drive with the ABS Power Switch Circuit Open code C12E6?

It is not recommended to drive with the ABS Power Switch Circuit Open code C12E6 present, as it can lead to a loss of ABS functionality and compromise the vehicle's ability to maintain stability during braking.

5. How can I repair the ABS Power Switch Circuit Open error code C12E6?

Repairing the ABS Power Switch Circuit Open error code C12E6 typically involves replacing the faulty ABS power switch, repairing any damaged wiring or connectors, or addressing issues with the ABS control module as needed.

6. Can I reset the ABS Power Switch Circuit Open code C12E6 without fixing the underlying issue?

While you can clear the error code temporarily by resetting the vehicle's computer, the ABS Power Switch Circuit Open issue will likely reappear until the root cause is diagnosed and repaired.

7. Does the ABS Power Switch Circuit Open code C12E6 affect vehicle performance?

The ABS Power Switch Circuit Open code C12E6 can impact vehicle performance by disabling the ABS system, potentially affecting braking performance and stability control in certain driving conditions.

8. How much does it cost to repair the ABS Power Switch Circuit Open code C12E6?

The cost of repairing the ABS Power Switch Circuit Open code C12E6 can vary depending on the specific cause of the issue, but it may involve parts and labor costs ranging from $100 to $500 or more, depending on the extent of the repairs needed.

9. Can a DIY enthusiast fix the ABS Power Switch Circuit Open code C12E6?

While some DIY enthusiasts may have the skills and tools necessary to diagnose and repair the ABS Power Switch Circuit Open code C12E6, it is generally recommended to consult with a professional mechanic or technician for this type of repair due to the complexity of the ABS system.

10. How often does the ABS Power Switch Circuit Open code C12E6 occur in vehicles?

The ABS Power Switch Circuit Open code C12E6 is relatively uncommon but can occur in vehicles equipped with ABS systems that experience issues with the power switch circuit or related components.