Engine-CodesChevrolet – B3135 Chevrolet

B3135 Chevrolet Code - All Doors Lock Circuit

Quick Answer

The B3135 code for Chevrolet vehicles refers to the All Doors Lock Circuit. Common causes include Faulty central locking module, Damaged or worn-out door lock actuators, Broken wiring or electrical connections in the door lock circuit. 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
B3135 Chevrolet indicates All Doors Lock Circuit.
Common causes
Common causes include Faulty central locking module, Damaged or worn-out door lock actuators, Broken wiring or electrical connections in the door lock circuit.
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 10, 2024
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Code B3135 Chevrolet Description

The B3135 code for Chevrolet vehicles refers to the All Doors Lock Circuit. This code indicates that there is a malfunction in the circuit responsible for locking all the doors of the vehicle. In modern vehicles, door locking systems are controlled electronically, either through a central locking module or individual door lock actuators. When this circuit fails, it can result in issues with locking or unlocking all doors simultaneously.

OBDII Code B3135 Chevrolet - All Doors Lock Circuit
B3135 Chevrolet Code - All Doors Lock Circuit

Common Causes of B3135 Chevrolet

  1. Faulty central locking module.
  2. Damaged or worn-out door lock actuators.
  3. Broken wiring or electrical connections in the door lock circuit.
  4. Corrosion or debris in the door lock mechanism.
  5. Software issues in the vehicle's control module.

Symptoms of B3135 Chevrolet

  1. Inability to lock or unlock all doors simultaneously with the remote key fob.
  2. Doors locking or unlocking intermittently or unpredictably.
  3. Audible clicking or buzzing noises from the door lock actuators.
  4. Dashboard warning light indicating a door lock system fault.

How to Fix B3135 Chevrolet

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the B3135 code and perform electrical tests on the door lock circuit.
  2. Inspect the central locking module and door lock actuators for any signs of damage or malfunction. Replace any faulty components as necessary.
  3. Check the wiring harness and connectors in the door lock circuit for loose connections, corrosion, or damage. Repair or replace any damaged wiring.
  4. Clean the door lock mechanisms and lubricate moving parts to ensure smooth operation.
  5. Clear the B3135 code from the vehicle's computer using the diagnostic scanner after completing the repairs and perform a test to ensure all doors lock and unlock properly.

Cost to Fix B3135 Chevrolet

The cost of repairing the All Doors Lock Circuit issue can vary depending on the specific cause of the problem and the labor rates at the auto repair shop. Generally, the cost of parts for this repair can range from $50 to $200, while labor costs can be anywhere from $100 to $300. Overall, the total repair cost for addressing the B3135 code is typically in the range of $150 to $500. It is advisable to consult with a trusted mechanic or dealership to get a more accurate estimate based on your vehicle's make and model. Keep in mind that additional diagnostic time may be needed to pinpoint the exact cause of the issue, which can impact the overall repair cost.

Tech Notes for B3135 Chevrolet









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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 B3135 Chevrolet Code

1. What are the common symptoms of OBDII code B3135 Chevrolet related to the All Doors Lock Circuit?

- Common symptoms include issues with central locking system operation, doors not locking or unlocking properly, and warning lights on the dashboard.

2. What are the possible causes of OBDII code B3135 Chevrolet for the All Doors Lock Circuit?

- Potential causes may include faulty door lock actuators, damaged wiring or connectors, a malfunctioning central locking module, or a blown fuse.

3. How can I diagnose OBDII code B3135 Chevrolet for the All Doors Lock Circuit?

- Diagnosis involves checking the condition of the door lock actuators, inspecting wiring for any visible damage, testing the central locking module, and using a diagnostic scanner to read the trouble codes.

4. Can I repair OBDII code B3135 Chevrolet for the All Doors Lock Circuit myself?

- Depending on the exact cause, some repairs can be done DIY such as replacing a faulty door lock actuator or repairing damaged wiring. However, complex issues may require professional help.

5. Is it safe to continue driving with OBDII code B3135 Chevrolet affecting the All Doors Lock Circuit?

- While the vehicle should still be operational, it is recommended to address the issue promptly to ensure the safety and security of the vehicle.

6. How much does it typically cost to repair OBDII code B3135 Chevrolet for the All Doors Lock Circuit?

- The cost of repair can vary widely depending on the specific cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

7. Can OBDII code B3135 Chevrolet for the All Doors Lock Circuit cause any other problems in the vehicle?

- In addition to issues with the central locking system, unresolved problems related to this code may lead to draining the battery due to continuous attempts to lock or unlock the doors.

8. Are there any preventive measures I can take to avoid OBDII code B3135 Chevrolet for the All Doors Lock Circuit?

- Regularly inspecting and maintaining the door lock system, including lubricating moving parts and checking for any signs of wear, can help prevent such issues.

9. How long does it typically take to repair OBDII code B3135 Chevrolet for the All Doors Lock Circuit?

- The repair time can vary based on the complexity of the problem and the availability of parts, but it may take anywhere from one to several hours to complete the repair.

10. Will resetting the OBDII system clear the B3135 Chevrolet code related to the All Doors Lock Circuit?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to reappear after some driving cycles.

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