C012D Buick Code - Brake Boost Regulation Pressure Sensor
Quick Answer
The Electronic Brake Control Module (EBCM) uses input from the boost pressure sensor for more accurate control during 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
- C012D Buick indicates Brake Boost Regulation 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 C012D Buick Description
What are the Possible Causes of the DTC C012D 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 C012D 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 C012D 01 Brake Boost Regulation Pressure Sensor Short to Battery
DTC C012D 06 Brake Boost Regulation Pressure Sensor Low Voltage/Open
DTC C012D 11 Brake Boost Regulation Pressure Sensor High Input
DTC C012D 5A Brake Boost Regulation Pressure Sensor Not Plausible
DTC C012D 0F Brake Boost Regulation Pressure Sensor Signal Erratic
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C012D 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.
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Frequently Asked Questions about C012D Buick Code
1. What does the OBDII code C012D mean on a Buick?
The code C012D indicates an issue with the Brake Boost Regulation Pressure Sensor, which monitors the vacuum or hydraulic pressure in the brake booster system.
2. What are the common symptoms of code C012D on a Buick?
Common symptoms include a lit ABS or traction control warning light, reduced braking performance, a hard brake pedal, or failure of advanced braking features like stability control.
3. What causes the C012D code to appear on a Buick?
Possible causes include a faulty brake boost pressure sensor, damaged wiring or connectors, brake booster failure, or a malfunctioning ABS module.
4. Can I still drive my Buick with a C012D code?
Driving with this code is not recommended as it can reduce braking efficiency and compromise vehicle safety.
5. How do I fix the C012D code on a Buick?
Repairs may include replacing the brake boost pressure sensor, repairing damaged wiring, or recalibrating the ABS module.
6. How can I diagnose the C012D code on a Buick?
Diagnose the code by using an OBDII scanner to confirm the fault, inspecting the sensor and wiring for damage, and testing the brake booster system for proper operation.
7. Is the C012D code specific to Buicks?
No, the C012D code can appear on various makes and models, but the exact symptoms and repair processes may vary depending on the vehicle.
8. How much does it cost to repair the C012D code on a Buick?
Repair costs vary but can range from $150 to $500 depending on whether the sensor, wiring, or brake booster needs replacement.
9. Can a faulty ABS module cause the C012D code?
Yes, a malfunctioning ABS module can send incorrect signals related to the brake boost pressure sensor, triggering the code.
10. Do I need to reprogram the ABS module after fixing the C012D code?
In some cases, recalibrating or reprogramming the ABS module may be necessary after replacing components or clearing the code.
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