Engine-CodesBuick – C1267 Buick

C1267 Buick Code - Right Rear Inlet Valve Solenoid Malfunction

Quick Answer

The C1267 Buick code indicates a malfunction in the right rear inlet valve solenoid of the vehicle's braking system. Common causes include Electrical faults in the solenoid wiring or connections, Mechanical failure within the solenoid itself, such as a stuck valve or internal damage, Contamination of the brake fluid affecting the solenoid operation. 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
C1267 Buick indicates Right Rear Inlet Valve Solenoid Malfunction.
Common causes
Common causes include Electrical faults in the solenoid wiring or connections, Mechanical failure within the solenoid itself, such as a stuck valve or internal damage, Contamination of the brake fluid affecting the solenoid operation.
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.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code C1267 Buick Description

The C1267 Buick code indicates a malfunction in the right rear inlet valve solenoid of the vehicle's braking system. The inlet valve solenoid is responsible for controlling the flow of brake fluid to the right rear wheel, which is crucial for proper braking performance. When this solenoid malfunctions, it can lead to issues with brake pressure distribution, potentially causing the vehicle to pull to one side during braking or experience uneven brake wear. This can compromise the overall safety and effectiveness of the braking system, posing a significant risk to the driver and passengers.

OBDII Code C1267 Buick - Right Rear Inlet Valve Solenoid Malfunction
C1267 Buick Code - Right Rear Inlet Valve Solenoid Malfunction

Common Causes of C1267 Buick

  1. Electrical faults in the solenoid wiring or connections.
  2. Mechanical failure within the solenoid itself, such as a stuck valve or internal damage.
  3. Contamination of the brake fluid affecting the solenoid operation.
  4. Corrosion or rust on the solenoid components.
  5. General wear and tear from extended use of the braking system.

Symptoms of C1267 Buick

  1. Uneven braking performance, with the vehicle pulling to the right during braking.
  2. Illumination of the ABS warning light on the dashboard.
  3. Increased stopping distances or reduced braking effectiveness.
  4. Abnormal noises, such as grinding or squealing, when applying the brakes.
  5. Uneven wear on the right rear brake pads or rotor.

How to Fix C1267 Buick

  1. Diagnose the specific issue with the right rear inlet valve solenoid using a professional diagnostic tool.
  2. Inspect the solenoid wiring and connections for any signs of damage or corrosion.
  3. Test the solenoid for proper operation and replace if necessary.
  4. Flush and replace the brake fluid to ensure proper system performance.
  5. Conduct a thorough brake system inspection and test to verify proper functionality after the repair.

Cost to Fix C1267 Buick

The cost of repairing a C1267 Buick code related to the right rear inlet valve solenoid malfunction can vary depending on the extent of the issue and the specific parts needed for the repair. Generally, the cost of parts for a solenoid replacement can range from $100 to $300, while labor costs can add an additional $100 to $200. Overall, the total repair cost can range from $200 to $500, excluding any additional diagnostic fees or taxes. It's recommended to consult with a professional mechanic or repair shop to obtain an accurate cost estimate based on the specific vehicle make and model.

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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 C1267 Buick Code

1. What does the OBDII code C1267 mean on a Buick?

C1267 indicates a malfunction in the right rear inlet valve solenoid, typically part of the ABS (Anti-lock Braking System).

2. What are the common symptoms of the C1267 code?

Common symptoms include the ABS warning light illuminating, reduced braking performance, or the ABS system not functioning correctly.

3. What causes the C1267 code to appear?

The code can be caused by a faulty right rear inlet valve solenoid, damaged wiring, poor electrical connections, or issues with the ABS module.

4. Can I drive my Buick with the C1267 code present?

While you can drive with this code, your ABS system may not function properly, increasing the risk of wheel lock-up during hard braking.

5. How do you diagnose the C1267 code in a Buick?

Diagnosis involves scanning the OBDII system, inspecting the right rear inlet valve solenoid, checking wiring and connections, and testing the ABS module.

6. How do you fix the C1267 code on a Buick?

Repairs may include replacing the right rear inlet valve solenoid, repairing damaged wiring, cleaning electrical connections, or replacing the ABS module if necessary.

7. What tools are needed to fix the C1267 code?

You’ll need an OBDII scanner, a multimeter for testing electrical circuits, and possibly tools to access and replace the solenoid or ABS components.

8. How much does it cost to repair a C1267 code in a Buick?

Repair costs vary but can range from $100 to $500, depending on whether it’s a wiring issue or a solenoid/module replacement.

9. Can a dirty brake fluid system cause the C1267 code?

Yes, contaminated or degraded brake fluid can affect the solenoid’s operation and trigger the code.

10. Does the C1267 code require ABS module replacement?

Not always; the ABS module may need replacement only if other components, like the solenoid or wiring, are ruled out as the cause.

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