Engine-CodesChevrolet – B3105 2018 Chevrolet Silverado

B3105 2018 Chevrolet Silverado Code - Keyless Entry Transmitters

Quick Answer

The B3105 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado relates to an issue with the keyless entry transmitters. Common causes include Faulty key fob battery, Malfunctioning receiver module, Wiring issues in the keyless entry system. 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 2018 Chevrolet Silverado indicates Keyless Entry Transmitters.
Common causes
Common causes include Faulty key fob battery, Malfunctioning receiver module, Wiring issues in the keyless entry system.
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 12, 2024
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Code B3105 2018 Chevrolet Silverado Description

The B3105 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado relates to an issue with the keyless entry transmitters. Keyless entry systems allow drivers to unlock and lock their vehicles remotely using a key fob. When this code is triggered, 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 unlocking or locking the vehicle.

OBDII Code B3105 2018 Chevrolet Silverado - Keyless Entry Transmitters
B3105 2018 Chevrolet Silverado Code - Keyless Entry Transmitters

Common Causes of B3105 2018 Chevrolet Silverado

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

Symptoms of B3105 2018 Chevrolet Silverado

  1. Key fobs not working to unlock or lock the vehicle.
  2. Intermittent functionality of the keyless entry system.
  3. Inability to start the vehicle remotely.
  4. Alarm system not responding to key fob commands.
  5. Warning light on the dashboard related to the keyless entry system.

How to Fix B3105 2018 Chevrolet Silverado

  1. Check and replace the key fob battery.
  2. Inspect the receiver module for any damage or malfunctions.
  3. Test the wiring in the keyless entry system for continuity and repair any issues.
  4. Ensure there is no interference from other electronic devices in the vicinity.
  5. Replace the key fob or receiver module if necessary.

Cost to Fix B3105 2018 Chevrolet Silverado

The typical repair costs for addressing the B3105 code on a 2018 Chevrolet Silverado can range from $100 to $300, depending on the specific cause of the issue and the parts needed for repair. This estimate includes parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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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 2018 Chevrolet Silverado Code

1. What does the OBDII code B3105 indicate in a 2018 Chevrolet Silverado related to Keyless Entry Transmitters?

The code B3105 in a 2018 Chevrolet Silverado typically relates to a malfunction in the keyless entry transmitters system.

2. What are common symptoms of a B3105 OBDII code in a 2018 Chevrolet Silverado?

Common symptoms of the B3105 code may include issues with the keyless entry system such as the remote not working, difficulty locking or unlocking the vehicle, or the key fob not being recognized.

3. What are possible causes of the B3105 OBDII code in a 2018 Chevrolet Silverado?

Possible causes of the B3105 code can include a faulty keyless entry transmitter, a weak or dead battery in the transmitter, a programming issue, or a problem with the vehicle's receiver.

4. How can I diagnose the B3105 OBDII code in my 2018 Chevrolet Silverado?

To diagnose the B3105 code, you can start by checking the battery in the keyless entry transmitter, ensuring it is properly programmed, inspecting for any physical damage, and testing the vehicle's receiver.

5. Can I repair the B3105 OBDII code in my 2018 Chevrolet Silverado myself?

Depending on the exact cause of the B3105 code, you may be able to repair it yourself by replacing the keyless entry transmitter battery, reprogramming the transmitter, or seeking professional help for more complex issues.

6. Is it safe to continue driving with the B3105 OBDII code in my 2018 Chevrolet Silverado?

While the B3105 code may not directly affect the drivability of your vehicle, it is recommended to address the issue promptly to ensure the proper functioning of the keyless entry system.

7. How much does it typically cost to repair the B3105 OBDII code in a 2018 Chevrolet Silverado?

The cost of repairing the B3105 code can vary depending on the exact cause of the issue. Simple fixes like replacing the transmitter battery may be inexpensive, while more complex problems could require professional diagnosis and repair.

8. Can a B3105 OBDII code in a 2018 Chevrolet Silverado be triggered by a faulty receiver?

Yes, a malfunctioning receiver in the vehicle can potentially trigger the B3105 code by not properly communicating with the keyless entry transmitters.

9. Are there any preventive maintenance tips to avoid encountering the B3105 OBDII code in a 2018 Chevrolet Silverado?

Regularly checking and replacing keyless entry transmitter batteries, ensuring proper programming, and handling the transmitters with care can help prevent issues that may lead to the B3105 code.

10. Will resetting the vehicle's computer system clear the B3105 OBDII code in a 2018 Chevrolet Silverado?

While resetting the computer system may temporarily clear the code, it is important to address the underlying issue causing the B3105 code to prevent it from reoccurring.

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