Engine-CodesChevrolet – B3135 2015 Chevrolet Silverado

B3135 2015 Chevrolet Silverado Code - All Doors Lock Circuit

Quick Answer

The B3135 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado specifically pertains to the All Doors Lock Circuit. Common causes include Faulty door lock actuator, Broken or damaged wiring in the door lock circuit, Defective 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 2015 Chevrolet Silverado indicates All Doors Lock Circuit.
Common causes
Common causes include Faulty door lock actuator, Broken or damaged wiring in the door lock circuit, Defective 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 Sep 11, 2024
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Code B3135 2015 Chevrolet Silverado Description

The B3135 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado specifically pertains 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 often integrated with the vehicle's security and convenience features, such as keyless entry, alarm systems, and automatic locking mechanisms. When this circuit fails, it can lead to issues with locking and unlocking all the doors simultaneously.

OBDII Code B3135 2015 Chevrolet Silverado - All Doors Lock Circuit
B3135 2015 Chevrolet Silverado Code - All Doors Lock Circuit

Common Causes of B3135 2015 Chevrolet Silverado

  1. Faulty door lock actuator
  2. Broken or damaged wiring in the door lock circuit
  3. Defective door lock control module
  4. Corrosion or loose connections in the circuit
  5. Issues with the vehicle's central locking system

Symptoms of B3135 2015 Chevrolet Silverado

  1. Doors not locking or unlocking properly
  2. Inconsistent behavior of door locks
  3. Alarm system not activating or deactivating correctly
  4. Keyless entry not functioning as expected
  5. Interior lights staying on even after door is closed

How to Fix B3135 2015 Chevrolet Silverado

  1. Perform a diagnostic scan with a suitable OBD-II scanner to confirm the B3135 code and pinpoint the exact cause of the issue.
  2. Inspect the door lock actuators, wiring, and connections for any visible damage or corrosion.
  3. Test the door lock control module for proper functionality and replace if necessary.
  4. Repair or replace any faulty components identified during the diagnostic process.
  5. Clear the DTC from the vehicle's computer system and test the door locking system to ensure proper operation.

Cost to Fix B3135 2015 Chevrolet Silverado

The cost estimate for repairing the All Doors Lock Circuit issue can vary depending on the specific cause of the problem and the extent of the repair needed. On average, the repair costs for this type of issue can range from $150 to $500, including parts and labor. It's important to note that the cost of diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to contact local auto repair shops for a more accurate estimate based on your specific situation.

Tech Notes for B3135 2015 Chevrolet Silverado









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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 2015 Chevrolet Silverado Code

1. What does the OBDII code B3135 mean on a 2015 Chevrolet Silverado?

The B3135 code indicates a malfunction in the All Doors Lock Circuit, which is responsible for locking and unlocking the vehicle's doors.

2. What are common symptoms of the B3135 code in a 2015 Chevrolet Silverado?

Symptoms may include doors failing to lock or unlock, the key fob not working for door locks, or intermittent operation of the door lock system.

3. What causes the B3135 code to appear in a Chevrolet Silverado?

Possible causes include a faulty door lock actuator, damaged wiring or connectors in the lock circuit, or a malfunctioning Body Control Module (BCM).

4. Can a blown fuse trigger the B3135 code?

Yes, a blown fuse in the door lock circuit can interrupt power to the system and trigger the B3135 code.

5. How do you diagnose the B3135 code on a 2015 Silverado?

Diagnosis involves scanning for codes, inspecting the door lock circuit wiring and connectors, testing the door lock actuators, and checking the BCM for faults.

6. Is the B3135 code related to the key fob not working?

Yes, the B3135 code can be related to key fob issues if the circuit responsible for locking and unlocking doors is compromised.

7. Can you drive with the B3135 code on a 2015 Silverado?

Yes, the vehicle is still drivable, but the door locks may not function properly, potentially compromising security.

8. How do you fix the B3135 code in a Chevrolet Silverado?

Repairs may include replacing a faulty door lock actuator, repairing damaged wiring or connectors, or reprogramming or replacing the BCM if necessary.

9. How much does it cost to repair the B3135 code on a 2015 Silverado?

Repair costs can range from $50 to $500, depending on whether the issue is a simple wiring repair or a more complex BCM replacement.

10. Can the B3135 code clear itself after repairs?

The code may clear after successful repairs, but in some cases, you may need to use a scan tool to reset the code.

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