Engine-CodesChevrolet – B3105 2014 Chevrolet Silverado

B3105 2014 Chevrolet Silverado Code - Keyless Entry Transmitters

Quick Answer

The B3105 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado relates to an issue with the keyless entry transmitters. Common causes include Faulty key fob batteries, Interference from other electronic devices, Malfunctioning receiver 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
B3105 2014 Chevrolet Silverado indicates Keyless Entry Transmitters.
Common causes
Common causes include Faulty key fob batteries, Interference from other electronic devices, Malfunctioning receiver 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 16, 2024
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Code B3105 2014 Chevrolet Silverado Description

The B3105 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado relates to an issue with the keyless entry transmitters. Keyless entry systems allow drivers to lock and unlock their vehicles remotely using a key fob. When this code appears, it indicates a problem with the communication between the keyless entry transmitters and the vehicle's receiver module. This can result in the key fobs not working properly, leading to difficulties in locking or unlocking the vehicle.

OBDII Code B3105 2014 Chevrolet Silverado - Keyless Entry Transmitters
B3105 2014 Chevrolet Silverado Code - Keyless Entry Transmitters

Common Causes of B3105 2014 Chevrolet Silverado

  1. Faulty key fob batteries.
  2. Interference from other electronic devices.
  3. Malfunctioning receiver module.
  4. Wiring issues in the keyless entry system.
  5. Water damage to key fobs or receiver module.

Symptoms of B3105 2014 Chevrolet Silverado

  1. Key fobs not working to lock or unlock the vehicle.
  2. Inconsistent response from the keyless entry system.
  3. Alarm system may be triggered unexpectedly.
  4. Key fob battery draining quickly.
  5. Vehicle not recognizing key fobs.

How to Fix B3105 2014 Chevrolet Silverado

  1. Replace key fob batteries: Start by replacing the batteries in the key fobs to ensure they are functioning properly.
  2. Check for interference: Remove any potential sources of interference near the vehicle that could disrupt the keyless entry system.
  3. Test receiver module: Use diagnostic tools to test the receiver module and determine if it is functioning correctly.
  4. Inspect wiring: Check the wiring in the keyless entry system for any damage or loose connections that could be causing the issue.
  5. Replace key fobs or receiver module: If the above steps do not resolve the issue, consider replacing the key fobs or receiver module to restore proper functionality.

Cost to Fix B3105 2014 Chevrolet Silverado

The cost of repairing the keyless entry transmitters on a 2014 Chevrolet Silverado can vary depending on the specific issue and the parts needed for the repair. On average, the cost of replacing key fob batteries can range from $5 to $20. If the receiver module needs to be replaced, the cost can be higher, typically ranging from $100 to $300 for the part alone. Labor costs can add to the total repair bill, with hourly rates varying between $80 and $150. It is recommended to consult with a professional mechanic to get an accurate estimate based on the specific diagnosis and repair needed for your vehicle.

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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 Chevrolet Silverado Code

1. What does OBDII code B3105 mean on a 2014 Chevrolet Silverado?

Code B3105 indicates an issue with the keyless entry transmitters, such as a failure to communicate or a malfunction in the transmitter system.

2. What are the common symptoms of code B3105 in a 2014 Chevrolet Silverado?

Symptoms include the key fob not unlocking or locking the doors, failure to start the vehicle with the fob, or intermittent operation of the keyless entry system.

3. What causes code B3105 in a 2014 Chevrolet Silverado?

Common causes include a dead or weak key fob battery, a damaged key fob, interference from other electronic devices, or a malfunctioning receiver module in the vehicle.

4. How can I fix code B3105 on my 2014 Chevrolet Silverado?

Start by replacing the key fob battery. If the issue persists, reprogram the key fob or replace it. Check the receiver module for faults if the problem continues.

5. Can a dead key fob battery trigger code B3105?

Yes, a dead or low battery in the key fob is one of the most common reasons for this code to appear.

6. How do I reprogram a key fob for a 2014 Chevrolet Silverado?

Refer to the owner's manual for programming instructions, or use a diagnostic tool to reprogram the fob. You may also need a professional locksmith or dealership assistance.

7. Can interference from other electronics cause code B3105?

Yes, interference from nearby electronic devices operating on similar frequencies can disrupt communication between the key fob and the vehicle.

8. Does replacing the key fob always fix code B3105?

Not always. If the issue lies with the vehicle’s receiver module or wiring, replacing the key fob will not resolve the problem.

9. How much does it cost to fix code B3105 on a 2014 Chevrolet Silverado?

Costs vary based on the issue. A key fob battery is inexpensive, while replacing or reprogramming a fob can range from $50-$200. Repairing the receiver module may cost $300 or more.

10. Can I still start my 2014 Chevrolet Silverado with code B3105 active?

If the key fob is unresponsive, you may be able to start the vehicle by using the physical key or placing the fob near the designated backup start location, usually indicated in the owner’s manual.

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