AutoCodes – Buick – C12E0 Buick

C12E0 Buick Code - ABS Pump Motor Performance

Quick Answer

The ABS Pump Motor is a bi-directional motor and is an internal part of the Brake Pressure Modulator. Common causes include Faulty Brake Pressure Modulator, Brake Pressure Modulator harness is open or shorted, Brake Pressure Modulator 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
C12E0 Buick indicates ABS Pump Motor Performance.
Common causes
Common causes include Faulty Brake Pressure Modulator, Brake Pressure Modulator harness is open or shorted, Brake Pressure Modulator 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 730
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 C12E0 Buick Description

The ABS Pump Motor is a bi-directional motor and is an internal part of the Brake Pressure Modulator. There are three solid state relays in the electronic Brake Pressure Modulator that operate the pump. The ABS Pump Motor runs every few brake stops in order to fill the high pressure accumulator with brake fluid. The Anti-Lock Brake System (ABS) Module monitors the ABS Pump Motor. The ABS Module sets the OBDII code when the ABS Pump Motor is not to factory specifications.
OBDII Code C12E0 Buick - ABS Pump Motor Performance - AutoCodes.com
C12E0 Buick Code - ABS Pump Motor Performance

What are the Possible Causes of the DTC C12E0 Buick?

  • Faulty Brake Pressure Modulator
  • Brake Pressure Modulator harness is open or shorted
  • Brake Pressure Modulator circuit poor electrical connection

How to Fix the DTC C12E0 Buick?

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 C12E0 Buick 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 C12E0 Buick code?

Need more information on how to fix the C12E0 Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C12E0 Buick 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 C12E0 Buick Code

1. What are the common symptoms of OBDII code C12E0 Buick related to ABS Pump Motor Performance?

The common symptoms include the ABS warning light staying on, loss of ABS functionality, and unusual noises coming from the ABS pump motor.

2. What can cause the OBDII code C12E0 Buick for ABS Pump Motor Performance?

Possible causes include a faulty ABS pump motor, damaged wiring or connectors, low brake fluid level, or a problem with the ABS control module.

3. How can I diagnose the OBDII code C12E0 Buick for ABS Pump Motor Performance?

Diagnosis typically involves using a diagnostic scan tool to retrieve the trouble code and then conducting a thorough inspection of the ABS pump motor, wiring, connectors, and brake fluid level.

4. Can a DIY enthusiast repair the OBDII code C12E0 Buick related to ABS Pump Motor Performance?

While basic troubleshooting like checking the brake fluid level or inspecting wiring connections can be done by DIY enthusiasts, repairing or replacing the ABS pump motor may require specialized tools and expertise.

5. What are some tips for repairing the OBDII code C12E0 Buick for ABS Pump Motor Performance?

Ensure the ABS pump motor is receiving proper voltage and ground, check for any visible damage to wiring or connectors, and consider seeking professional help if unsure about diagnosing or repairing the issue.

6. Is it safe to continue driving with the OBDII code C12E0 Buick related to ABS Pump Motor Performance?

It is not recommended to drive the vehicle with this code active, as it may lead to compromised safety in emergency braking situations. Seek prompt diagnosis and repair to ensure proper ABS functionality.

7. How much does it typically cost to repair the OBDII code C12E0 Buick for ABS Pump Motor Performance?

The cost of repair can vary depending on the underlying cause, the extent of damage, and labor charges. It is advisable to obtain quotes from reputable automotive repair shops for an accurate estimate.

8. Can resetting the OBDII code C12E0 Buick for ABS Pump Motor Performance solve the issue temporarily?

Resetting the code may temporarily clear the warning light, but it is crucial to address the root cause to prevent potential safety hazards and ensure proper ABS system functionality.

9. Are there any preventive maintenance measures to avoid triggering the OBDII code C12E0 Buick for ABS Pump Motor Performance?

Regularly checking the brake fluid level, monitoring ABS warning lights, and addressing any unusual noises promptly can help prevent issues with the ABS pump motor and related components.

10. How long does it typically take to repair the OBDII code C12E0 Buick for ABS Pump Motor Performance?

The repair time can vary based on the specific issue and the expertise of the technician. Simple fixes like checking connections may take less time, while replacing the ABS pump motor can be a more involved process.

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