How to Diagnose and Solve B2135 Park Brake Applied Warning Lamp Circuit Failure Issues

Introduction

As a car owner, it’s essential to know how to diagnose and solve common car problems. One of the most common issues that car owners face is the B2135 Park Brake Applied Warning Lamp Circuit Failure. This problem can be frustrating, especially if you don’t know how to diagnose and solve it. In this article, we will provide you with a step-by-step guide on how to diagnose and solve B2135 Park Brake Applied Warning Lamp Circuit Failure issues.

What is B2135 Park Brake Applied Warning Lamp Circuit Failure?

B2135 Park Brake Applied Warning Lamp Circuit Failure is a common problem that occurs when the park brake warning light on your car’s dashboard fails to turn off even after releasing the park brake. This issue can be caused by a faulty park brake switch, a damaged wiring harness, or a malfunctioning control module.

Diagnosing B2135 Park Brake Applied Warning Lamp Circuit Failure

To diagnose B2135 Park Brake Applied Warning Lamp Circuit Failure, you need to follow these steps:

Step 1: Check the Park Brake Switch

The first step is to check the park brake switch. The park brake switch is located under the dashboard, near the park brake pedal. Check if the switch is working correctly by pressing the park brake pedal and releasing it. If the switch is faulty, it will not release the park brake warning light, even after releasing the park brake.

Step 2: Check the Wiring Harness

If the park brake switch is working correctly, the next step is to check the wiring harness. The wiring harness is a bundle of wires that connects the park brake switch to the control module. Check if the wiring harness is damaged or disconnected. If the wiring harness is damaged, you need to replace it.

Step 3: Check the Control Module

If the park brake switch and wiring harness are working correctly, the next step is to check the control module. The control module is responsible for controlling the park brake warning light. Check if the control module is malfunctioning. If the control module is malfunctioning, you need to replace it.

Solving B2135 Park Brake Applied Warning Lamp Circuit Failure

To solve B2135 Park Brake Applied Warning Lamp Circuit Failure, you need to follow these steps:

Step 1: Replace the Park Brake Switch

If the park brake switch is faulty, you need to replace it. You can buy a new park brake switch from your local auto parts store or online. To replace the park brake switch, follow these steps:

– Disconnect the negative battery cable.
– Remove the old park brake switch.
– Install the new park brake switch.
– Reconnect the negative battery cable.

Step 2: Repair the Wiring Harness

If the wiring harness is damaged, you need to repair it. You can repair the wiring harness by following these steps:

– Disconnect the negative battery cable.
– Locate the damaged wires.
– Cut the damaged wires.
– Strip the insulation from the wires.
– Connect the wires using a wire connector.
– Wrap the wire connector with electrical tape.
– Reconnect the negative battery cable.

Step 3: Replace the Control Module

If the control module is malfunctioning, you need to replace it. You can buy a new control module from your local auto parts store or online. To replace the control module, follow these steps:

– Disconnect the negative battery cable.
– Remove the old control module.
– Install the new control module.
– Reconnect the negative battery cable.

Conclusion

B2135 Park Brake Applied Warning Lamp Circuit Failure is a common problem that can be frustrating for car owners. However, with the right knowledge and tools, you can diagnose and solve this issue. By following the steps outlined in this article, you can diagnose and solve B2135 Park Brake Applied Warning Lamp Circuit Failure issues.

FAQs

1. Can I drive my car with B2135 Park Brake Applied Warning Lamp Circuit Failure?

It’s not recommended to drive your car with B2135 Park Brake Applied Warning Lamp Circuit Failure. This issue can cause your park brake to malfunction, which can be dangerous while driving.

2. How much does it cost to fix B2135 Park Brake Applied Warning Lamp Circuit Failure?

The cost of fixing B2135 Park Brake Applied Warning Lamp Circuit Failure depends on the severity of the issue. If the issue is caused by a faulty park brake switch, it can cost around $50 to $100 to replace it. If the issue is caused by a damaged wiring harness or a malfunctioning control module, it can cost around $200 to $500 to fix it.

3. How can I prevent B2135 Park Brake Applied Warning Lamp Circuit Failure?

To prevent B2135 Park Brake Applied Warning Lamp Circuit Failure, you need to ensure that your park brake switch, wiring harness, and control module are in good condition. Regular maintenance and inspection can help prevent this issue.