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Engine-Codes – Generic – B23C0

B23C0 Code - Stop/Start Disable Switch 2 Circuit Performance

Quick Answer

The B23C0 diagnostic trouble code (DTC) refers to the Stop/Start Disable Switch 2 Circuit Performance. Common causes include Faulty wiring in the circuit related to the disable switch, A malfunctioning stop/start disable switch, Issues with the control module that manages the stop/start system. 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
B23C0 indicates Stop/Start Disable Switch 2 Circuit Performance.
Common causes
Common causes include Faulty wiring in the circuit related to the disable switch, A malfunctioning stop/start disable switch, Issues with the control module that manages the stop/start system.
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 B23C0 Description

The B23C0 diagnostic trouble code (DTC) refers to the Stop/Start Disable Switch 2 Circuit Performance. This code indicates that there is a problem with the circuit related to the stop/start disable switch in the vehicle. The stop/start system is a feature found in many modern vehicles that automatically shuts off the engine when the vehicle comes to a stop and restarts it when the driver releases the brake pedal. The disable switch allows the driver to turn off this feature if desired.

OBDII Code B23C0 - Stop/Start Disable Switch 2 Circuit Performance
B23C0 Code - Stop/Start Disable Switch 2 Circuit Performance

Common Causes of B23C0

  1. Faulty wiring in the circuit related to the disable switch.
  2. A malfunctioning stop/start disable switch.
  3. Issues with the control module that manages the stop/start system.
  4. Corrosion or damage to electrical connections.
  5. Software issues with the vehicle's onboard computer.

Symptoms of B23C0

  1. The stop/start system not functioning properly or being unable to be disabled.
  2. Warning lights on the dashboard related to the stop/start system.
  3. Reduced fuel efficiency.
  4. Engine stalling at stops.
  5. Difficulty starting the vehicle.

How to Fix B23C0

  1. Begin by conducting a visual inspection of the wiring and connections related to the disable switch circuit.
  2. Test the stop/start disable switch to determine if it is functioning correctly.
  3. Use a diagnostic tool to scan the vehicle's onboard computer for any related error codes and to reset the system.
  4. If necessary, replace any faulty wiring, the disable switch, or the control module.
  5. Test the vehicle to ensure that the stop/start system is functioning properly after the repair.

Cost to Fix B23C0

The cost of repairing the Stop/Start Disable Switch 2 Circuit Performance issue can vary depending on the specific cause of the problem and the make and model of the vehicle. In general, expect to pay between $200 and $500 for parts and labor. Keep in mind that diagnosis time and labor rates at auto repair shops can vary, so it's a good idea to get a few quotes from different shops to ensure you're getting a fair price.

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Code B23C0 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 B23C0 Code

1. What are common symptoms of OBDII code B23C0 (Stop/Start Disable Switch 2 Circuit Performance)?

The common symptoms include the stop/start system not functioning properly, warning lights on the dashboard, and possible issues with engine performance.

2. What can cause the OBDII code B23C0 to trigger?

The code B23C0 can be triggered by a faulty stop/start disable switch, wiring issues in the circuit, or a malfunction in the stop/start system control module.

3. How serious is the OBDII code B23C0 (Stop/Start Disable Switch 2 Circuit Performance)?

While this code may not cause immediate harm to the vehicle, it can affect the proper functioning of the stop/start system and may lead to decreased fuel efficiency.

4. Can I continue driving with the OBDII code B23C0 present?

It is generally safe to continue driving with this code, but it is recommended to have the issue diagnosed and repaired to ensure the proper functioning of the stop/start system.

5. How is the OBDII code B23C0 diagnosed?

Diagnosing the code B23C0 involves using a diagnostic scanner to retrieve the code, inspecting the stop/start disable switch and its circuit for any visible damage, and testing the components for proper functionality.

6. What are some possible repair tips for OBDII code B23C0?

Repair tips may include checking and replacing the stop/start disable switch, repairing any damaged wiring in the circuit, and resetting the system to clear the code.

7. Can I fix the OBDII code B23C0 myself?

Depending on your automotive knowledge and skills, you may be able to address this issue yourself by following repair guides or seeking assistance from online forums. However, professional diagnosis and repair are recommended for accurate resolution.

8. Will resetting the OBDII code B23C0 make it go away permanently?

Simply resetting the code may temporarily clear it, but if the underlying issue is not addressed, the code is likely to reappear. It's important to diagnose and repair the root cause of the problem.

9. How much does it cost to repair the OBDII code B23C0?

The cost of repairing this code can vary depending on the specific issue causing it, the labor rates in your area, and whether you choose to address the problem yourself or seek professional help. Costs may range from a simple switch replacement to more extensive circuit repairs.

10. Can the OBDII code B23C0 affect the overall performance of the vehicle?

While the code itself may not directly impact the performance of the vehicle, unresolved issues related to the stop/start system can lead to decreased fuel efficiency and potential long-term effects on engine performance.

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