Engine-CodesChevrolet – B3135 2014 Chevrolet Silverado

B3135 2014 Chevrolet Silverado Code - All Doors Lock Circuit

Quick Answer

The B3135 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado relates to the All Doors Lock Circuit. Common causes include Faulty door lock actuators, Wiring issues in the All Doors Lock Circuit, Defective BCM. 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 2014 Chevrolet Silverado indicates All Doors Lock Circuit.
Common causes
Common causes include Faulty door lock actuators, Wiring issues in the All Doors Lock Circuit, Defective BCM.
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 13, 2024
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Code B3135 2014 Chevrolet Silverado Description

The B3135 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado relates to the All Doors Lock Circuit. This code indicates a problem with the circuit responsible for locking all the doors of the vehicle. In modern vehicles, door locks are controlled electronically, and this code specifically points to an issue within this system. When this code is triggered, it means that the Body Control Module (BCM) has detected a fault in the circuit that controls the locking mechanism of all doors.

OBDII Code B3135 2014 Chevrolet Silverado - All Doors Lock Circuit
B3135 2014 Chevrolet Silverado Code - All Doors Lock Circuit

Common Causes of B3135 2014 Chevrolet Silverado

  1. Faulty door lock actuators.
  2. Wiring issues in the All Doors Lock Circuit.
  3. Defective BCM.
  4. Corrosion or damage to electrical connectors.
  5. Issues with the key fob or remote entry system.

Symptoms of B3135 2014 Chevrolet Silverado

  1. Doors not locking or unlocking properly.
  2. Doors locking on their own.
  3. Inconsistent behavior of door locks.
  4. Alarm system not functioning correctly.
  5. Warning light on the dashboard related to door locks.

How to Fix B3135 2014 Chevrolet Silverado

  1. Diagnose the issue using a scan tool to retrieve the DTC and pinpoint the exact cause of the problem.
  2. Inspect the door lock actuators and wiring for any visible damage or corrosion.
  3. Test the BCM to ensure it is functioning correctly and sending signals to the door lock actuators.
  4. Repair or replace any faulty components such as actuators, wiring, or the BCM.
  5. Clear the DTC from the system and test the door locks to ensure they are functioning properly.

Cost to Fix B3135 2014 Chevrolet Silverado

The cost of repairing the All Doors Lock Circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the cost of parts for this repair can range from $100 to $500, while labor costs can range from $100 to $300. Keep in mind that these are rough estimates, and actual costs may differ based on the extent of the repair needed and the rates charged by auto repair shops. It's recommended to obtain quotes from local shops to get a more accurate cost estimate for this repair.

Tech Notes for B3135 2014 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 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B3135 in a 2014 Chevrolet Silverado?

The common symptoms include all doors failing to lock or unlock using the power door lock switches or key fob.

2. What is the most likely cause of the B3135 code in a 2014 Chevrolet Silverado?

The most likely cause is a malfunction in the all doors lock circuit, such as a wiring issue or a faulty door lock actuator.

3. How can I diagnose the OBDII code B3135 in my 2014 Chevrolet Silverado?

You can diagnose the code by checking the wiring connections, testing the door lock actuators, and using a diagnostic scanner to pinpoint the exact issue.

4. Can a DIYer repair the B3135 code in a 2014 Chevrolet Silverado?

Depending on your skills and experience, you may be able to repair the issue yourself by replacing faulty components like door lock actuators or repairing damaged wiring.

5. Are there any common repair tips for fixing the B3135 code in a 2014 Chevrolet Silverado?

One common repair tip is to check all fuses related to the door lock system before replacing any components, as a blown fuse can often cause this issue.

6. Does the B3135 code affect the overall safety of driving a 2014 Chevrolet Silverado?

While the B3135 code is more of a convenience issue related to the door locks, it's still important to address it promptly to ensure the proper functioning of the vehicle's security system.

7. Can the B3135 code cause other electrical problems in a 2014 Chevrolet Silverado?

While the code itself is specific to the all doors lock circuit, underlying issues like wiring faults can potentially lead to other electrical problems if left unresolved.

8. Should I reset the OBDII code B3135 in my 2014 Chevrolet Silverado after making repairs?

Yes, it's recommended to clear the code using a diagnostic scanner after addressing the underlying issue to ensure that the repair was successful and to reset the vehicle's system.

9. Is the B3135 code specific to the 2014 Chevrolet Silverado, or can it occur in other vehicle models?

The B3135 code is specific to the 2014 Chevrolet Silverado, although similar issues with door lock circuits can occur in other vehicle models as well.

10. How much does it typically cost to repair the B3135 code in a 2014 Chevrolet Silverado?

The cost of repairing the B3135 code can vary depending on the exact cause of the issue and whether you choose to do the repairs yourself or take the vehicle to a professional mechanic.

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