AutoCodes – Generic – C012F

C012F Code - Brake Boost Solenoid Valve Circuit Malfunction

Quick Answer

The brake boost solenoid valve is used to control the amount of brake fluid flow from the high pressure accumulator, which provides brake assist and an improved brake pedal feel. 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: C012F indicates Brake Boost Solenoid Valve Circuit Malfunction.
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.

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Code Popularity 7,465

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 08, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C012F Description

The brake boost solenoid valve is used to control the amount of brake fluid flow from the high pressure accumulator, which provides brake assist and an improved brake pedal feel. The brake boost solenoid valve is an internal part of the brake pressure modulator.

OBDII Code C012F - Brake Boost Solenoid Valve Circuit Malfunction - AutoCodes.com — C012F Code - Brake Boost Solenoid Valve Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC C012F?

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

How to Fix the DTC C012F?

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 C012F 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 C012F code?

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Need Help with the Code?

Get the C012F code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C012F Buick — Brake Boost Solenoid Valve Circuit Malfunction
C012F Cadillac — Brake Boost Solenoid Valve Circuit Malfunction
C012F Chevrolet — Brake Boost Solenoid Valve Circuit Malfunction
C012F GMC — Brake Boost Solenoid Valve Circuit Malfunction

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 C012F Code

1. What are the common symptoms of OBDII code C012F (Brake Boost Solenoid Valve Circuit Malfunction)?

- Common symptoms include a soft brake pedal, diminished brake assist, illuminated brake warning light, and potential difficulty stopping the vehicle.

2. What are the possible causes of OBDII code C012F?

- Possible causes of this code include a faulty brake boost solenoid valve, damaged wiring or connectors in the brake boost solenoid circuit, or a problem with the brake booster itself.

3. How can I diagnose the Brake Boost Solenoid Valve Circuit Malfunction?

- Diagnosing this issue usually involves using an OBDII scanner to retrieve the specific trouble code, inspecting the brake boost solenoid valve and its connections for any visible damage, and testing the circuit for continuity.

4. Can I continue driving with OBDII code C012F present?

- It is not recommended to continue driving with this code present, as it can affect the proper functioning of the brake booster system and compromise braking performance.

5. How can I repair OBDII code C012F?

- Repairing this code often involves replacing the faulty brake boost solenoid valve, repairing any damaged wiring or connectors in the circuit, and clearing the trouble code with an OBDII scanner.

6. Are there any DIY tips for fixing the Brake Boost Solenoid Valve Circuit Malfunction?

- DIY tips include checking for loose connections, ensuring proper grounding, and following manufacturer's instructions when replacing components.

7. Can a faulty brake boost solenoid valve cause other issues in the vehicle?

- Yes, a faulty brake boost solenoid valve can lead to poor brake performance, reduced braking assistance, and potentially compromise vehicle safety.

8. How long does it typically take to repair OBDII code C012F?

- The repair time can vary depending on the extent of the issue, but it usually takes a few hours to diagnose and fix the Brake Boost Solenoid Valve Circuit Malfunction.

9. Is it necessary to reset the OBDII system after repairing this code?

- Yes, it is recommended to reset the OBDII system after repairing the issue to clear the trouble code and ensure proper monitoring of the vehicle's systems.

10. Can a professional mechanic help with diagnosing and repairing OBDII code C012F?

- Yes, a professional mechanic with experience in automotive diagnostics can efficiently diagnose and repair OBDII code C012F to ensure the proper functioning of the brake boost solenoid valve circuit.