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Engine-Codes – GMC – B3105 2014 GMC Sierra

B3105 2014 GMC Sierra Code - Keyless Entry Transmitters

Quick Answer

The B3105 code for a 2014 GMC Sierra specifically relates to an issue with the keyless entry transmitters. Common causes include Faulty key fob battery, Key fob signal interference, Malfunctioning receiver module in the vehicle. 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 key fob battery, Key fob signal interference, Malfunctioning receiver module in the vehicle.
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 Aug 19, 2024
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Code B3105 2014 GMC Sierra Description

The B3105 code for a 2014 GMC Sierra specifically relates to an issue with the keyless entry transmitters. Keyless entry transmitters are integral components of modern vehicles, allowing for convenient and secure access to the vehicle without the use of a physical key. When this code is triggered, it indicates a malfunction or communication error within the keyless entry system of the vehicle. This can lead to difficulties in unlocking or locking the vehicle, as well as potential issues with the vehicle's anti-theft system.

OBDII Code B3105 2014 GMC Sierra - Keyless Entry Transmitters
B3105 2014 GMC Sierra Code - Keyless Entry Transmitters

Common Causes of B3105 2014 GMC Sierra

  1. Faulty key fob battery.
  2. Key fob signal interference.
  3. Malfunctioning receiver module in the vehicle.
  4. Wiring issues in the keyless entry system.
  5. Faulty keyless entry transmitter.

Symptoms of B3105 2014 GMC Sierra

  1. Inability to unlock or lock the vehicle using the keyless entry system.
  2. Intermittent functioning of the keyless entry transmitters.
  3. Alarm system triggering unexpectedly.
  4. Keyless entry system not recognizing the key fob.

How to Fix B3105 2014 GMC Sierra

  1. Replace the key fob battery: Start by replacing the battery in the key fob to ensure it has sufficient power.
  2. Check for signal interference: Verify that there are no sources of signal interference near the vehicle that could disrupt communication between the key fob and the receiver module.
  3. Inspect receiver module: Check the receiver module in the vehicle for any signs of damage or malfunction, and replace if necessary.
  4. Check wiring: Inspect the wiring in the keyless entry system for any loose connections or damage, and repair as needed.
  5. Replace keyless entry transmitter: If all other components are functioning properly, the keyless entry transmitter may need to be replaced to resolve the issue.

Cost to Fix B3105 2014 GMC Sierra

The cost of repairing a keyless entry transmitter issue can vary depending on the specific cause of the problem and the necessary repairs. On average, the replacement of a key fob battery can range from $5 to $20. If the issue is more complex and requires replacing the keyless entry transmitter or receiver module, the cost can range from $100 to $300 or more. Labor costs can add an additional $80 to $150 per hour, depending on the auto repair shop's rates. It's recommended to consult with a professional technician to get an accurate estimate for the repair.

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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 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.

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