C12B6 GMC Code - ABS High Pressure Accumulator Pressure Sensor Circuit Open Or Short To Ground
Quick Answer
The high pressure accumulator is attached to the brake pressure modulator and provides up to 18, 000 kPa (2, 600 psi) for use when applying the brakes. 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
- C12B6 GMC indicates ABS High Pressure Accumulator Pressure Sensor Circuit Open Or Short To Ground.
- 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 C12B6 GMC Description
What are the Possible Causes of the DTC C12B6 GMC?
- Faulty Brake Pressure Modulator
- Brake Pressure Modulator harness is open or shorted
- Brake Pressure Modulator circuit poor electrical connection
How to Fix the DTC C12B6 GMC?
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 C12B6 GMC 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 C12B6 GMC code?
Need more information on how to fix the C12B6 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C12B6 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C12B6 GMC Code
1. What are common symptoms of the C12B6 GMC OBDII code?
The common symptoms of the C12B6 GMC code may include the ABS warning light being illuminated on the dashboard, decreased braking performance, and potential issues with the ABS system.
2. What can cause the C12B6 GMC OBDII code to trigger?
The C12B6 GMC code can be triggered by a fault in the ABS high pressure accumulator pressure sensor circuit, which may be caused by an open or short to ground in the sensor circuit.
3. How serious is the C12B6 GMC OBDII code?
The C12B6 GMC code is a serious issue as it relates to the ABS system, which is crucial for vehicle safety. It is recommended to address this code promptly to ensure the proper functioning of the ABS system.
4. What are possible repair tips for the C12B6 GMC OBDII code?
Repair tips for the C12B6 GMC code may include inspecting the wiring and connectors related to the high pressure accumulator pressure sensor, checking for any visible damage, and testing the sensor itself for proper functionality.
5. Can I drive my vehicle with the C12B6 GMC OBDII code active?
It is not recommended to drive your vehicle with the C12B6 GMC code active, especially if you are experiencing symptoms such as decreased braking performance. It is best to address the issue promptly to ensure safe operation of the vehicle.
6. How can I diagnose the C12B6 GMC OBDII code?
Diagnosing the C12B6 GMC code may involve using a diagnostic scanner to read the code and pinpoint the issue in the ABS high pressure accumulator pressure sensor circuit. Further testing of the sensor and related components may be necessary.
7. Are there any common mistakes to avoid when dealing with the C12B6 GMC OBDII code?
Common mistakes to avoid when dealing with the C12B6 GMC code include overlooking wiring and connector issues, assuming the sensor is faulty without proper testing, and neglecting to clear the code after repairs are made.
8. Is the ABS system affected by the C12B6 GMC OBDII code?
Yes, the ABS system is directly affected by the C12B6 GMC code as it relates to the high pressure accumulator pressure sensor circuit, which is a critical component of the ABS system.
9. Can weather conditions impact the C12B6 GMC OBDII code?
Extreme weather conditions such as temperature fluctuations or exposure to moisture can potentially impact the ABS high pressure accumulator pressure sensor circuit, leading to the triggering of the C12B6 GMC code.
10. How much does it typically cost to repair the C12B6 GMC OBDII code?
The cost of repairing the C12B6 GMC code can vary depending on the underlying issue, the need for replacement parts, and labor costs. It is recommended to consult with a professional mechanic or dealership for an accurate estimate.
Discuss the causes and fixes for C12B6 GMC OBDII Code
Code C12B6 GMC 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.
