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Engine-Codes – Generic – B12C6

B12C6 Code - Electric Steering Lock Switch C/D Monitor Circuit Failure

Quick Answer

The B12C6 diagnostic trouble code refers to an Electric Steering Lock Switch C/D Monitor Circuit Failure. Common causes include Faulty electric steering lock switch, Wiring issues or loose connections in the monitoring circuit, Corrosion or damage to the electrical components. 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
B12C6 indicates Electric Steering Lock Switch C/D Monitor Circuit Failure.
Common causes
Common causes include Faulty electric steering lock switch, Wiring issues or loose connections in the monitoring circuit, Corrosion or damage to the electrical components.
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 07, 2024
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Code B12C6 Description

The B12C6 diagnostic trouble code refers to an Electric Steering Lock Switch C/D Monitor Circuit Failure. This code indicates that there is a malfunction in the monitoring circuit for the electric steering lock switch C/D. The electric steering lock switch is a safety feature in modern vehicles that prevents the steering wheel from being turned unless the key is in the ignition and turned to the on position. If this system fails, it could potentially lead to a safety hazard as the steering wheel may become locked or difficult to turn while driving.

OBDII Code B12C6 - Electric Steering Lock Switch C/D Monitor Circuit Failure
B12C6 Code - Electric Steering Lock Switch C/D Monitor Circuit Failure

Common Causes of B12C6

  1. Faulty electric steering lock switch
  2. Wiring issues or loose connections in the monitoring circuit
  3. Corrosion or damage to the electrical components
  4. Defective onboard computer or control module

Symptoms of B12C6

  1. Steering wheel becomes difficult to turn
  2. Steering wheel locks in place
  3. Warning light on the dashboard indicating an issue with the steering system
  4. Vehicle may not start due to the steering lock malfunction

How to Fix B12C6

  1. Diagnose the issue using a diagnostic scanner to confirm the B12C6 code
  2. Inspect the electric steering lock switch, wiring, and connections for any visible damage or corrosion
  3. Test the monitoring circuit for proper function and continuity
  4. Replace the electric steering lock switch if faulty
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved

Cost to Fix B12C6

The cost of repairing a B12C6 code can vary depending on the specific cause of the issue. In general, the cost of replacing an electric steering lock switch can range from $200 to $500, including parts and labor. However, additional costs may apply if there are wiring issues or other components that need to be replaced. It's important to note that labor rates at auto repair shops can vary, so it's recommended to get a detailed estimate from a professional technician based on your vehicle's make and model.

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Code B12C6 Information for Specific Makes

  • B12C6 Acura — Electric Steering Lock Switch C/D Monitor Circuit Failure
  • B12C6 Honda — Electric Steering Lock Switch C/D Monitor Circuit Failure
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 B12C6 Code

1. What are the common symptoms of OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure?

Symptoms may include difficulty starting the vehicle, steering wheel locking up, warning lights on the dashboard, and loss of power steering assistance.

2. What are the possible causes of OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure?

Potential causes may include a faulty electric steering lock switch, damaged wiring or connectors in the circuit, a malfunctioning control module, or issues with the steering column.

3. How can I diagnose the OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure?

Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, checking the wiring and connectors related to the electric steering lock switch, and performing electrical tests to pinpoint the issue.

4. Can I drive my vehicle with OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure?

It is not recommended to drive the vehicle with this issue as it can affect the steering system's operation and potentially compromise safety. It is best to address the problem promptly.

5. How can I repair OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure?

Repair options may include replacing the electric steering lock switch, repairing or replacing damaged wiring or connectors, recalibrating the control module, or addressing any other underlying issues identified during diagnosis.

6. Is OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure a common problem in certain vehicle makes or models?

This code may be more prevalent in vehicles equipped with electric power steering systems, particularly in certain models known to have issues with the steering lock switch or related components.

7. What are the potential safety implications of ignoring OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure?

Ignoring this code can lead to steering malfunctions, loss of control over the vehicle, and increased safety risks for the driver, passengers, and other road users. It is crucial to address the issue promptly.

8. Can resetting the OBDII system clear the B12C6 code related to Electric Steering Lock Switch C/D Monitor Circuit Failure?

While clearing the code may temporarily remove the warning light, it will not fix the underlying issue causing the fault. It is essential to diagnose and repair the root cause of the problem to prevent it from recurring.

9. Are there any preventive maintenance steps to avoid encountering OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure?

Regularly inspecting the steering system, addressing any unusual symptoms promptly, and following the manufacturer's maintenance recommendations can help prevent issues leading to this trouble code.

10. How long does it typically take to repair OBDII code B12C6 Electric Steering Lock Switch C/D Monitor Circuit Failure?

The repair time can vary depending on the exact cause of the issue, availability of parts, and the complexity of the repair. It is advisable to consult a professional mechanic for an accurate estimate of the repair duration.

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