AutoCodes – Cadillac – C12E4 Cadillac

C12E4 Cadillac Code - ABS Sensor Reference Output Circuit

Quick Answer

The Electronic Brake Control Module (EBCM) monitors the ABS Sensor Reference. Common causes include Faulty ABS Sensor Reference, ABS Sensor Reference harness is open or shorted, ABS Sensor Reference 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
C12E4 Cadillac indicates ABS Sensor Reference Output Circuit.
Common causes
Common causes include Faulty ABS Sensor Reference, ABS Sensor Reference harness is open or shorted, ABS Sensor Reference 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 887
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 C12E4 Cadillac Description

The Electronic Brake Control Module (EBCM) monitors the ABS Sensor Reference. The EBCM sets the OBDII code when the ABS Sensor Reference is not to factory specifications.
OBDII Code C12E4 Cadillac - ABS Sensor Reference Output Circuit - AutoCodes.com
C12E4 Cadillac Code - ABS Sensor Reference Output Circuit

What are the Possible Causes of the DTC C12E4 Cadillac?

  • Faulty ABS Sensor Reference
  • ABS Sensor Reference harness is open or shorted
  • ABS Sensor Reference circuit poor electrical connection

How to Fix the DTC C12E4 Cadillac?

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 C12E4 Cadillac 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 C12E4 Cadillac code?

Need more information on how to fix the C12E4 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C12E4 Cadillac 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 C12E4 Cadillac Code

1. What are the common symptoms of an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit?

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

2. What are the possible causes of an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit?

Possible causes can include a faulty ABS sensor, damaged wiring or connectors in the ABS system, or issues with the ABS control module.

3. How can I diagnose an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit?

Diagnosis typically involves using a professional OBDII scanner to read the specific error code, conducting a visual inspection of the ABS sensor and its wiring, and performing further testing using a multimeter to check for continuity and proper voltage.

4. Can I drive my Cadillac with an OBDII code C12E4 related to the ABS Sensor Reference Output Circuit?

It is not recommended to drive the vehicle with this error code present, as it can affect the proper functioning of the ABS system and compromise vehicle safety.

5. How can I repair an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit?

Repair options may include replacing the faulty ABS sensor, repairing damaged wiring or connectors, or addressing any issues with the ABS control module as needed.

6. Are there any DIY tips for addressing an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit?

While some basic visual inspections and wiring checks can be done by DIY enthusiasts, it is recommended to seek professional help for accurate diagnosis and repair of ABS system issues.

7. What are the potential risks of ignoring an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit?

Ignoring this error code can lead to compromised braking performance, reduced vehicle stability, and increased risk of accidents or loss of control while driving.

8. How much does it cost to repair an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit?

The cost of repair can vary depending on the specific issue causing the error code, the parts needed, and labor costs. It is advisable to get a diagnostic assessment from a qualified mechanic for an accurate estimate.

9. Can weather conditions affect the occurrence of an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit?

Extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially exacerbate issues with the ABS system, leading to the triggering of this error code.

10. Is it possible for an OBDII code C12E4 Cadillac related to the ABS Sensor Reference Output Circuit to clear on its own?

In some cases, if the underlying issue causing the error code is temporary or minor, the error code may clear on its own after a few driving cycles. However, it is recommended to have the vehicle properly diagnosed and repaired to ensure safety and optimal performance.

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