AutoCodes – Cadillac – C12E2 Cadillac

C12E2 Cadillac Code - Electronic Brake Control Module Supply Circuit High Voltage

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module harness is open or shorted, Electronic Brake Control Module 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
C12E2 Cadillac indicates Electronic Brake Control Module Supply Circuit High Voltage.
Common causes
Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module harness is open or shorted, Electronic Brake Control Module 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 1,058
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 C12E2 Cadillac Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Powertrain Control Module (PCM) sets the OBDII code when the Electronic Brake Control Module (EBCM) is not to factory specifications.
OBDII Code C12E2 Cadillac - Electronic Brake Control Module Supply Circuit High Voltage - AutoCodes.com
C12E2 Cadillac Code - Electronic Brake Control Module Supply Circuit High Voltage

What are the Possible Causes of the DTC C12E2 Cadillac?

  • Faulty Electronic Brake Control Module (EBCM)
  • Electronic Brake Control Module harness is open or shorted
  • Electronic Brake Control Module circuit poor electrical connection

How to Fix the DTC C12E2 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 C12E2 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 C12E2 Cadillac 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 C12E2 Cadillac Code

1. What are common symptoms of OBDII code C12E2 in a Cadillac related to the Electronic Brake Control Module Supply Circuit High Voltage?

- Common symptoms may include the ABS warning light being illuminated on the dashboard, issues with the electronic brake control system, and potential problems with the vehicle's braking performance.

2. What are some possible causes of the OBDII code C12E2 in a Cadillac?

- Possible causes may include a faulty electronic brake control module, damaged wiring or connectors in the supply circuit, a defective power supply to the module, or issues with the vehicle's battery.

3. How can I diagnose the OBDII code C12E2 in my Cadillac?

- Diagnosing this code typically involves using an OBDII scanner to retrieve the specific fault code, inspecting the electronic brake control module and related wiring for any visible damage, and testing the power supply to the module.

4. Can I continue driving my Cadillac with the OBDII code C12E2 present?

- It is not recommended to continue driving your Cadillac with this code present, as it may affect the performance of the electronic brake control system and compromise the vehicle's safety.

5. How can I repair the Electronic Brake Control Module Supply Circuit High Voltage issue in my Cadillac?

- Repairing this issue may involve replacing the electronic brake control module if it is found to be faulty, repairing or replacing damaged wiring or connectors in the supply circuit, and ensuring a proper power supply to the module.

6. Are there any DIY tips for addressing the OBDII code C12E2 in a Cadillac?

- While some basic diagnostics can be performed by DIY enthusiasts, addressing this code often requires specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

7. Is the OBDII code C12E2 specific to Cadillac vehicles only?

- This specific fault code may be specific to Cadillac vehicles, as it relates to the Electronic Brake Control Module Supply Circuit High Voltage in the vehicle's braking system.

8. Will resetting the OBDII code C12E2 make it go away permanently?

- Simply resetting the code may temporarily remove the warning light, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem.

9. How much does it typically cost to repair the Electronic Brake Control Module Supply Circuit High Voltage issue in a Cadillac?

- The cost of repair can vary depending on the specific cause of the issue, labor rates, and the cost of parts. It is advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

10. Can the OBDII code C12E2 affect other systems in my Cadillac?

- While this code specifically relates to the electronic brake control module, issues with this system may indirectly impact other safety systems in the vehicle. It is important to address the problem promptly to ensure overall vehicle safety.

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