Engine-CodesGeneric – C1002

C1002 Code - Brake Switch Stuck High

Quick Answer

The C1002 diagnostic trouble code indicates that the brake switch in the vehicle is stuck in the high position. Common causes include Faulty brake switch, Misaligned brake switch, Damaged wiring or connectors. 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
C1002 indicates Brake Switch Stuck High.
Common causes
Common causes include Faulty brake switch, Misaligned brake switch, Damaged wiring or connectors.
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 Sep 09, 2024
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Code C1002 Description

The C1002 diagnostic trouble code indicates that the brake switch in the vehicle is stuck in the high position. The brake switch is a crucial component of the vehicle's braking system, as it is responsible for detecting when the brake pedal is pressed and activating the brake lights. When the brake switch is stuck in the high position, it means that the switch is constantly sending a signal that the brake pedal is pressed, even when it is not. This can lead to several issues with the vehicle's performance and safety.

OBDII Code C1002 - Brake Switch Stuck High
C1002 Code - Brake Switch Stuck High

Common Causes of C1002

  1. Faulty brake switch
  2. Misaligned brake switch
  3. Damaged wiring or connectors
  4. Corrosion in the brake switch circuit
  5. Issues with the brake pedal position sensor

Symptoms of C1002

  1. Constant illumination of the brake lights
  2. Drained battery due to continuous brake light activation
  3. Electronic stability control system malfunctions
  4. Difficulty shifting gears due to the brake switch signal

How to Fix C1002

  1. Begin by locating the brake switch, which is typically located near the brake pedal under the dashboard.
  2. Inspect the brake switch and wiring for any visible damage, corrosion, or misalignment.
  3. Test the brake switch using a multimeter to determine if it is stuck high or faulty.
  4. If the brake switch is stuck high, adjust or replace the switch as needed.
  5. Clear the diagnostic trouble code using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C1002

The cost of repairing a stuck high brake switch can vary depending on the specific issue and the vehicle make and model. On average, the repair costs for this issue can range from $100 to $300, including parts and labor. It's important to note that labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to get an accurate estimate for your specific vehicle.

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Code C1002 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 C1002 Code

1. What are the common symptoms of OBDII code C1002 (Brake Switch Stuck High)?

- The common symptoms include the brake lights staying on constantly even when the brake pedal is not pressed, cruise control not working properly, and difficulty shifting out of park.

2. What can cause the OBDII code C1002 to trigger?

- The code C1002 is typically triggered by a faulty brake light switch or a problem with the wiring connected to the brake switch.

3. How can I diagnose the issue causing OBDII code C1002?

- You can start by visually inspecting the brake light switch and its wiring for any visible damage or loose connections. Using a multimeter to test the switch for continuity can also help diagnose the problem.

4. Is it safe to drive with the OBDII code C1002 present?

- It is generally not recommended to drive with the code C1002 as it can affect the proper functioning of the brake lights and other vehicle systems. It's best to address the issue promptly.

5. Can I fix the Brake Switch Stuck High issue myself?

- Depending on your mechanical skills, you may be able to replace the brake light switch or repair the wiring yourself. However, if you're unsure or uncomfortable with electrical work, it's best to seek professional help.

6. What are the potential consequences of ignoring OBDII code C1002?

- Ignoring the code C1002 can lead to safety hazards such as other drivers not being able to recognize when you are braking, which can increase the risk of accidents.

7. Are there any temporary solutions to the Brake Switch Stuck High problem?

- In some cases, manually pulling up on the brake pedal or disconnecting the battery for a few minutes can temporarily reset the system and turn off the code. However, these are not permanent solutions.

8. How long does it typically take to repair OBDII code C1002?

- The repair time for OBDII code C1002 can vary depending on the exact cause of the issue and the availability of parts. In general, it can take anywhere from 30 minutes to a couple of hours to complete the repair.

9. Will resetting the OBDII system clear the code C1002?

- Resetting the OBDII system may temporarily clear the code C1002, but if the underlying issue is not fixed, the code is likely to return once the system detects the problem again.

10. Is the Brake Switch Stuck High issue common in specific car makes and models?

- The Brake Switch Stuck High issue can occur in various car makes and models, but some vehicles may be more prone to this problem due to design or component quality.

Discuss the causes and fixes for C1002 OBDII Code

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