Engine-CodesGeneric – B3135

B3135 Code - All Doors Lock Circuit

Quick Answer

The B3135 code refers to a fault in the all doors lock circuit of the vehicle. Common causes include Faulty door lock actuators, Wiring issues in the door lock circuit, Faulty door lock control module. 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 indicates All Doors Lock Circuit.
Common causes
Common causes include Faulty door lock actuators, Wiring issues in the door lock circuit, Faulty door lock control module.
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 Aug 25, 2024
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Code B3135 Description

The B3135 code refers to a fault in the all doors lock circuit of the vehicle. This code is typically found in vehicles with keyless entry systems or power door locks. When this code is triggered, it indicates that there is a malfunction in the circuit that controls the locking mechanism of all doors in the vehicle. This can lead to issues with locking and unlocking the doors, which can compromise the security of the vehicle. If left unaddressed, it can also cause issues with the central locking system and potentially affect the vehicle's overall electrical system.

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

Common Causes of B3135

  1. Faulty door lock actuators
  2. Wiring issues in the door lock circuit
  3. Faulty door lock control module
  4. Blown fuse related to the door locks
  5. Corrosion or damage to the connectors in the door lock circuit

Symptoms of B3135

  1. Doors not locking or unlocking properly
  2. Inability to lock or unlock all doors simultaneously
  3. Intermittent issues with door locking
  4. Alarm system not engaging when doors are locked
  5. Error message on the vehicle's dashboard related to door locking system

How to Fix B3135

  1. Diagnose the exact cause of the issue by using a scan tool to read the fault codes and testing the components in the door lock circuit.
  2. Inspect the door lock actuators, wiring, control module, and fuses for any signs of damage or malfunction.
  3. Replace any faulty components such as door lock actuators, control module, or fuses.
  4. Repair or replace any damaged wiring or connectors in the door lock circuit.
  5. Clear the fault codes and test the door locking system to ensure proper functionality.

Cost to Fix B3135

The cost of repairing the all doors lock circuit issue can vary depending on the specific cause of the problem and the labor rates of the auto repair shop. On average, the repair costs for this issue can range from $100 to $500, including parts and labor. It's important to note that the actual cost can be higher or lower based on the factors mentioned earlier, so it's recommended to get a detailed estimate from a local auto repair shop.

Tech Notes for B3135





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Code B3135 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 B3135 Code

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

- Common symptoms may include all doors failing to lock or unlock using the central locking system, erratic door locking behavior, or warning lights on the dashboard.

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

- Possible causes include a malfunctioning door lock actuator, damaged wiring or connectors in the door lock circuit, a faulty central locking control module, or a blown fuse.

3. How can I diagnose the issue related to OBDII code B3135 All Doors Lock Circuit?

- Diagnose the issue by visually inspecting the door lock actuators, checking the wiring and connectors for damage, testing the central locking control module, and using a diagnostic scan tool to retrieve specific error codes.

4. Can I repair OBDII code B3135 All Doors Lock Circuit issue myself?

- Depending on your skill level, you may be able to repair the issue yourself by replacing a faulty door lock actuator, repairing damaged wiring, or resetting the central locking control module. However, more complex issues may require professional assistance.

5. Are there any temporary fixes for OBDII code B3135 All Doors Lock Circuit?

- In some cases, a temporary fix may involve manually locking or unlocking the doors until the underlying issue is properly diagnosed and repaired.

6. How important is it to address OBDII code B3135 All Doors Lock Circuit immediately?

- Addressing the issue promptly is important to ensure the safety and security of your vehicle. Ignoring the problem may lead to difficulties in accessing or securing your vehicle.

7. Can OBDII code B3135 All Doors Lock Circuit cause other problems in my vehicle?

- While the code itself may not directly cause other problems, a malfunctioning door lock circuit can affect the overall security and convenience of your vehicle, potentially leading to related issues.

8. How much does it typically cost to repair OBDII code B3135 All Doors Lock Circuit?

- The cost of repair can vary depending on the specific cause of the issue, parts needed, and labor costs. It is recommended to obtain quotes from different mechanics or repair shops for an accurate estimate.

9. Is it safe to continue driving with OBDII code B3135 All Doors Lock Circuit unresolved?

- It is generally not recommended to continue driving with unresolved door lock circuit issues, as it may compromise the security of your vehicle. Addressing the problem promptly is advised.

10. Can extreme weather conditions affect OBDII code B3135 All Doors Lock Circuit?

- Extreme weather conditions, such as extreme cold or heat, can potentially affect the performance of door lock actuators and other components in the circuit, leading to issues related to OBDII code B3135.

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