Engine-CodesGeneric – C12E7

C12E7 Code - ABS Power Switch Circuit Shorted

Quick Answer

The C12E7 diagnostic trouble code (DTC) indicates a problem with the ABS power switch circuit being shorted. Common causes include Damaged wiring or connectors in the ABS power switch circuit, Faulty ABS power switch, Issues with the ABS control module. 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 indicates ABS Power Switch Circuit Shorted.
Common causes
Common causes include Damaged wiring or connectors in the ABS power switch circuit, Faulty ABS power switch, Issues with the ABS control module.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code C12E7 Description

The C12E7 diagnostic trouble code (DTC) indicates a problem with the ABS power switch circuit being shorted. The ABS (anti-lock braking system) power switch is responsible for activating and deactivating the ABS system in the vehicle. When this circuit is shorted, it can lead to issues with the proper functioning of the ABS system, potentially compromising the vehicle's safety and stability during braking.

OBDII Code C12E7 - ABS Power Switch Circuit Shorted
C12E7 Code - ABS Power Switch Circuit Shorted

Common Causes of C12E7

  1. Damaged wiring or connectors in the ABS power switch circuit
  2. Faulty ABS power switch
  3. Issues with the ABS control module
  4. Corrosion or moisture ingress in the ABS power switch circuit
  5. Electrical short circuits in the ABS system

Symptoms of C12E7

  1. Illuminated ABS warning light on the dashboard
  2. ABS system not functioning properly or engaging unexpectedly during braking
  3. Increased stopping distance or reduced braking effectiveness
  4. Unusual noises or sensations during braking, such as grinding or pulsation
  5. Diagnostic trouble code C12E7 stored in the vehicle's computer system

How to Fix C12E7

  1. Begin by diagnosing the ABS power switch circuit using a professional diagnostic scanner to identify the exact cause of the short circuit.
  2. Inspect the wiring and connectors in the ABS power switch circuit for any damage, corrosion, or loose connections. Repair or replace any damaged components as necessary.
  3. Test the ABS power switch for proper functionality and replace it if found to be faulty.
  4. Check the ABS control module for any issues and perform any necessary repairs or replacements.
  5. Clear the DTC C12E7 from the vehicle's computer system and test drive the vehicle to ensure the ABS system is operating correctly.

Cost to Fix C12E7

The typical repair costs for addressing a shorted ABS power switch circuit can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for this repair could range from $100 to $300, while labor costs could range from $150 to $400. Overall, the total repair cost for resolving the C12E7 DTC could be in the range of $250 to $700.

Need more information about the C12E7 code?

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

Need Help with the Code?

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

Code C12E7 Information for Specific Makes

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 Code

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

When this code is present, you may experience issues like the ABS warning light staying on, loss of ABS functionality, or unusual ABS system behavior during braking.

2. What could cause the ABS Power Switch Circuit to short and trigger code C12E7?

Possible causes of this code include damaged wiring or connectors in the ABS system, a faulty ABS power switch, or water intrusion into the ABS module.

3. How can I diagnose the ABS Power Switch Circuit Shorted code C12E7?

Diagnosing this code typically involves using a professional OBDII scanner to retrieve the code, inspecting the ABS system wiring and components for visible damage, and testing the ABS power switch for proper functionality.

4. Is it safe to drive with OBDII code C12E7 (ABS Power Switch Circuit Shorted) active?

While it is generally not recommended to drive with a malfunctioning ABS system, driving with this specific code may still be safe as long as other braking systems like the hydraulic brakes are functioning properly. However, it is best to address the issue promptly.

5. Can I repair OBDII code C12E7 (ABS Power Switch Circuit Shorted) on my own?

If you have experience with automotive electrical systems and the necessary tools, you may be able to repair this issue on your own by repairing or replacing damaged wiring, connectors, or the ABS power switch.

6. How much does it typically cost to repair OBDII code C12E7 (ABS Power Switch Circuit Shorted) at a mechanic?

The cost of repairing this code can vary depending on the specific cause of the issue, the labor rates of the mechanic, and the cost of any replacement parts needed. It is advisable to obtain quotes from different mechanics for an accurate estimate.

7. Will resetting the OBDII code C12E7 (ABS Power Switch Circuit Shorted) make it go away permanently?

Resetting the code without addressing the underlying issue will not fix the problem permanently. The code is likely to reappear until the root cause of the ABS Power Switch Circuit short is identified and repaired.

8. Can a low battery voltage trigger OBDII code C12E7 (ABS Power Switch Circuit Shorted)?

Low battery voltage can potentially affect the function of various electrical components in the vehicle, including the ABS system. It is advisable to ensure the battery is in good condition as part of troubleshooting this code.

9. How long does it typically take to repair OBDII code C12E7 (ABS Power Switch Circuit Shorted)?

The repair time for this code can vary depending on the exact cause of the issue, the availability of parts, and the expertise of the mechanic. In some cases, the repair can be completed within a few hours.

10. Is it necessary to have the ABS system inspected after repairing OBDII code C12E7 (ABS Power Switch Circuit Shorted)?

After repairing this code, it is recommended to have the ABS system inspected by a professional to ensure that the repair was successful and that the ABS system is functioning correctly.

Discuss the causes and fixes for C12E7 OBDII Code

Code C12E7 comments

No comments found for this page.