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Engine-Codes – Generic – C1167

C1167 Code - Suction Valve 2

Quick Answer

The C1167 code specifically refers to an issue with the suction valve 2 in the vehicle's brake system. Common causes include Malfunctioning suction valve 2, Vacuum leak in the brake booster system, Electrical issues. 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
C1167 indicates Suction Valve 2.
Common causes
Common causes include Malfunctioning suction valve 2, Vacuum leak in the brake booster system, Electrical issues.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code C1167 Description

The C1167 code specifically refers to an issue with the suction valve 2 in the vehicle's brake system. The suction valve is responsible for controlling the vacuum pressure in the brake booster, which assists in the braking process by amplifying the force applied to the brake pedal. When this valve malfunctions, it can affect the performance of the braking system, potentially leading to decreased braking efficiency and safety hazards.

OBDII Code C1167 - Suction Valve 2
C1167 Code - Suction Valve 2

Common Causes of C1167

  1. Malfunctioning suction valve 2
  2. Vacuum leak in the brake booster system
  3. Electrical issues
  4. Wear and tear on the brake system components
  5. Faulty ABS system components

Symptoms of C1167

  1. Stiff or unresponsive brake pedal
  2. Longer stopping distances
  3. Decreased braking efficiency
  4. ABS system warning light illuminated
  5. Loss of brake boost

How to Fix C1167

  1. Diagnose the issue by using a scan tool to read the trouble codes and inspecting the suction valve 2 for any visible signs of damage.
  2. Replace the faulty suction valve 2 with a new part that meets the manufacturer's specifications.
  3. Check and repair any vacuum leaks in the brake booster system.
  4. Test the brake system to ensure that the issue has been resolved and that the brake pedal feels responsive.
  5. Clear the trouble codes from the vehicle's computer system to reset the ABS warning light.

Cost to Fix C1167

The typical repair costs for addressing a C1167 code related to the suction valve 2 can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local repair shops for a more accurate estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

When is the Code Detected?

Front side VDC switch-over solenoid valve (suction valve 2) is open or shorted, or control line is open or shorted to power supply or ground.

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Code C1167 Information for Specific Makes

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 C1167 Code

1. What are the common symptoms of OBDII code C1167 - Suction Valve 2?

The common symptoms of OBDII code C1167 include poor engine performance, illuminated Check Engine Light, and potential issues with the vehicle's braking system.

2. What are the possible causes of OBDII code C1167 - Suction Valve 2?

Possible causes of OBDII code C1167 can include a faulty suction valve, wiring issues, a malfunctioning brake actuator assembly, or problems with the brake fluid pressure sensor.

3. How can I diagnose the cause of OBDII code C1167 - Suction Valve 2?

Diagnosing the cause of OBDII code C1167 typically involves using a scan tool to retrieve the specific fault code, inspecting the suction valve and related components, checking the wiring for any damage, and performing a brake system evaluation.

4. Can I continue driving with OBDII code C1167 - Suction Valve 2?

It is not recommended to continue driving with OBDII code C1167 present, as it can lead to potential brake system issues and compromise vehicle safety. It is advisable to address the problem promptly.

5. How can I repair OBDII code C1167 - Suction Valve 2?

Repairing OBDII code C1167 may involve replacing the faulty suction valve, repairing any damaged wiring, addressing issues with the brake actuator assembly, or resolving problems with the brake fluid pressure sensor.

6. Is it possible to reset OBDII code C1167 - Suction Valve 2 without repairs?

Resetting OBDII code C1167 without addressing the underlying issue is not recommended, as the problem may persist and potentially lead to more severe consequences. It is advisable to diagnose and repair the root cause of the code.

7. Are there any DIY tips for fixing OBDII code C1167 - Suction Valve 2?

While some basic inspections and checks can be done DIY, addressing OBDII code C1167 often requires specialized tools and expertise. It is recommended to consult a qualified mechanic for proper diagnosis and repair.

8. Can weather conditions affect OBDII code C1167 - Suction Valve 2?

Extreme weather conditions can potentially impact the performance of vehicle components, including the suction valve. It is advisable to monitor the vehicle's operation during different weather conditions and address any issues promptly.

9. How long does it typically take to repair OBDII code C1167 - Suction Valve 2?

The repair time for OBDII code C1167 can vary depending on the specific cause of the issue and the complexity of the repair. It is best to consult with a professional mechanic for a more accurate estimate of the repair duration.

10. Is OBDII code C1167 - Suction Valve 2 a common issue in specific vehicle makes or models?

OBDII code C1167 can occur in various vehicle makes and models, particularly those equipped with electronic brake systems. It is advisable to check for any manufacturer-specific bulletins or recalls related to this code.

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