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Engine-Codes – GMC – B3135 2016 GMC Sierra

B3135 2016 GMC Sierra Code - All Doors Lock Circuit

Quick Answer

The B3135 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the All Doors Lock Circuit. Common causes include Faulty door lock actuators, 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 2016 GMC Sierra indicates All Doors Lock Circuit.
Common causes
Common causes include Faulty door lock actuators, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B3135 2016 GMC Sierra Description

The B3135 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates 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, the door locking system is controlled electronically, and when this circuit fails, it can lead to various issues with the locking mechanism.

OBDII Code B3135 2016 GMC Sierra - All Doors Lock Circuit
B3135 2016 GMC Sierra Code - All Doors Lock Circuit

Common Causes of B3135 2016 GMC Sierra

  1. Faulty door lock actuators.
  2. Damaged wiring in the door lock circuit.
  3. Defective door lock control module.
  4. Corrosion or poor connections in the door lock system.
  5. Issues with the key fob or remote entry system.

Symptoms of B3135 2016 GMC Sierra

  1. Doors do not lock or unlock when using the key fob or interior switches.
  2. Inconsistent locking behavior, where some doors lock while others do not.
  3. Audible clicking noises when attempting to lock or unlock the doors.
  4. Warning light on the dashboard indicating a door lock malfunction.
  5. Doors automatically unlock after being locked.

How to Fix B3135 2016 GMC Sierra

  1. Diagnose the specific cause of the issue by using a scan tool to read the DTC and inspecting the door lock components.
  2. Replace any faulty door lock actuators, wiring, or control modules as needed.
  3. Repair any damaged connections or corrosion in the door lock circuit.
  4. Reset the vehicle's computer system to clear the DTC and test the door locking system for proper functionality.
  5. Ensure that all doors lock and unlock correctly before completing the repair process.

Cost to Fix B3135 2016 GMC Sierra

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, you can expect to pay between $200 and $500 for parts and labor. However, it's essential to note that diagnostic time and labor rates at auto repair shops can fluctuate, so it's advisable to get a detailed estimate from a professional technician. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive prices.

What does this mean?

Tech Notes for B3135 2016 GMC Sierra









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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 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code B3135 in a 2016 GMC Sierra related to the All Doors Lock Circuit?

- The common symptoms include issues with the power door locks, such as doors not locking or unlocking properly.

2. What are some possible causes of OBDII code B3135 in a 2016 GMC Sierra?

- Possible causes could be a malfunctioning door lock actuator, faulty wiring, or a problem with the central locking system.

3. How can I diagnose the All Doors Lock Circuit issue causing OBDII code B3135 in my 2016 GMC Sierra?

- You can use a scan tool to retrieve the specific trouble code and then inspect the door lock actuators, wiring, and central locking system for any visible signs of damage or malfunction.

4. Can a DIY enthusiast repair the OBDII code B3135 related to the All Doors Lock Circuit in a 2016 GMC Sierra?

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

5. Are there any quick fixes or temporary solutions for OBDII code B3135 in a 2016 GMC Sierra until I can get it repaired?

- You can try manually locking or unlocking the doors to see if the issue is isolated to one door. Additionally, disconnecting the battery for a few minutes may reset the system temporarily.

6. Is it safe to continue driving with OBDII code B3135 in a 2016 GMC Sierra affecting the All Doors Lock Circuit?

- While the vehicle should still be safe to drive, it's essential to address the issue promptly to prevent potential security risks or further damage to the locking system.

7. How much does it typically cost to repair OBDII code B3135 in a 2016 GMC Sierra associated with the All Doors Lock Circuit?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

8. Can extreme weather conditions affect the occurrence of OBDII code B3135 in a 2016 GMC Sierra related to the All Doors Lock Circuit?

- Yes, extreme temperatures or moisture can exacerbate existing issues with the door lock system, leading to the triggering of the trouble code.

9. Will resetting the OBDII system clear the B3135 trouble code related to the All Doors Lock Circuit in my 2016 GMC Sierra?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue persists, the code is likely to reappear. It's crucial to diagnose and address the root cause of the problem.

10. How can I prevent OBDII code B3135 from recurring in my 2016 GMC Sierra after it has been repaired?

- Regularly inspecting and maintaining the door lock system, ensuring proper installation of any replacement parts, and addressing any wiring issues promptly can help prevent the code from reoccurring.

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