C012C Buick Code - Regenerative Axle Pressure Sensor
Quick Answer
The Electronic Brake Control Module (EBCM) uses input from the regenerative axle pressure sensor for more accurate control during a brake and vehicle stability enhancement system event. 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
- C012C Buick indicates Regenerative Axle Pressure Sensor.
- 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.
Code C012C Buick Description
What are the Possible Causes of the DTC C012C 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 C012C 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.
Code Tech Notes
DTC C012C 06 Regenerative Axle Pressure Sensor Low Voltage/Open
DTC C012C 11 Regenerative Axle Pressure Sensor High Input
DTC C012C 0F Regenerative Axle Pressure Sensor Signal Erratic
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C012C 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 C012C Buick code?
Need more information on how to fix the C012C Buick code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C012C Buick code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C012C Buick Code
1. What does the OBDII code C012C mean on a Buick?
C012C indicates an issue with the Regenerative Axle Pressure Sensor, which monitors pressure in the regenerative braking system.
2. What are common symptoms of code C012C in a Buick?
Symptoms include the ABS or traction control warning lights turning on, reduced regenerative braking functionality, and potentially decreased fuel efficiency.
3. What causes the C012C code to appear on a Buick?
Common causes include a faulty regenerative axle pressure sensor, damaged wiring or connectors, or a malfunctioning ABS control module.
4. Can I drive my Buick with the C012C code?
While the vehicle may still be drivable, it’s not recommended. Regenerative braking and traction control may be compromised, affecting safety and performance.
5. How do I fix the C012C code on my Buick?
Start by inspecting the regenerative axle pressure sensor and its wiring. Replace the sensor if it's faulty, and repair any damaged wires or loose connections.
6. How much does it cost to fix the C012C code on a Buick?
The cost depends on the exact issue. Replacing the regenerative axle pressure sensor typically costs $100–$300, including parts and labor.
7. Can a weak battery cause the C012C code in a Buick?
Yes, a low or weak battery can sometimes trigger this code by causing voltage irregularities in the ABS or braking system.
8. What tools are needed to diagnose the C012C code on a Buick?
You’ll need an OBDII scanner capable of reading ABS codes, a multimeter to check wiring, and potentially a service manual for your specific Buick model.
9. Does the C012C code mean the ABS system is failing?
Not necessarily. The code specifically points to the regenerative axle pressure sensor, but it’s important to address the issue to ensure the ABS system functions properly.
10. Can I clear the C012C code without fixing the problem?
Clearing the code without repairing the underlying issue will likely cause the code to return and may lead to further system malfunctions.
Discuss the causes and fixes for C012C Buick OBDII Code
Code C012C Buick comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
