AutoCodes – GMC – B3105 2014 GMC Sierra

B3105 2014 GMC Sierra Code - Keyless Entry Transmitters

Quick Answer

The Body Control Module (BCM) monitors the number of keyless entry transmitters programmed. Common causes include Faulty Keyless Entry Transmitters, Faulty Body Control Module (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: B3105 2014 GMC Sierra indicates Keyless Entry Transmitters.
Common causes: Common causes include Faulty Keyless Entry Transmitters, Faulty Body Control Module (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.

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Code Popularity 259

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 11, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3105 2014 GMC Sierra Description

The Body Control Module (BCM) monitors the number of keyless entry transmitters programmed. Until at least one transmitter is programmed, the Body Control Module determines a malfunction condition exists. The Diagnostic Trouble Code (DTC) will be set when no keyless entry transmitter is programmed to the Body Control Module.

OBDII Code B3105 2014 GMC Sierra - Keyless Entry Transmitters - AutoCodes.com — B3105 2014 GMC Sierra Code - Keyless Entry Transmitters

What does this mean?

What are the Possible Causes of the DTC B3105 2014 GMC Sierra?

Faulty Keyless Entry Transmitters
Faulty Body Control Module (BCM)

How to Fix the DTC B3105 2014 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B3105 2014 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B3105 2014 GMC Sierra code?

Need more information on how to fix the B3105 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3105 2014 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 B3105 2014 GMC Sierra Code

1. What does OBDII code B3105 for a 2014 GMC Sierra indicate?

The B3105 code specifically relates to a fault with the keyless entry transmitters in the vehicle.

2. What are the common symptoms of OBDII code B3105 in a 2014 GMC Sierra?

Common symptoms include issues with unlocking or locking the vehicle using the keyless entry system, as well as problems with the remote start function.

3. What are some possible causes of OBDII code B3105 in a 2014 GMC Sierra?

Potential causes of the B3105 code can include faulty keyless entry transmitters, issues with the receiver module, wiring problems, or a weak battery in the key fob.

4. How can I diagnose the keyless entry transmitter issues related to OBDII code B3105 in my 2014 GMC Sierra?

Diagnosing the problem may involve checking the battery in the key fob, inspecting the transmitter signals, testing the receiver module, and ensuring there are no wiring issues.

5. Can I still drive my 2014 GMC Sierra with OBDII code B3105?

Yes, you can still drive the vehicle with the B3105 code, but you may experience difficulties with using the keyless entry system and remote start function.

6. What are some repair tips for fixing OBDII code B3105 in a 2014 GMC Sierra?

Repair tips may include replacing the batteries in the key fobs, reprogramming the keyless entry transmitters, checking and repairing any wiring issues, or replacing faulty components.

7. Is it possible to reset OBDII code B3105 in a 2014 GMC Sierra without professional help?

In some cases, you may be able to reset the B3105 code by disconnecting the car battery for a few minutes and then reconnecting it. However, it's recommended to diagnose and address the root cause of the issue.

8. Can a DIY enthusiast fix OBDII code B3105 in a 2014 GMC Sierra?

Depending on the specific cause of the B3105 code, some DIY enthusiasts with automotive knowledge may be able to address the issue by following repair guides or tutorials.

9. Are there any recalls related to OBDII code B3105 in a 2014 GMC Sierra?

There may be recalls or technical service bulletins (TSBs) related to keyless entry transmitter issues in certain GMC Sierra models, so it's advisable to check with a dealership or the manufacturer.

10. How much does it typically cost to repair OBDII code B3105 in a 2014 GMC Sierra?

The cost of repairing the B3105 code can vary depending on the underlying cause. Simple fixes like replacing key fob batteries may be inexpensive, while more complex issues could require professional diagnosis and repair, potentially increasing the cost.