AutoCodes – Chevrolet – B3105 2018 Chevrolet Silverado

B3105 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 299

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Keyless Entry Transmitters - AutoCodes.com — B3105 2018 Chevrolet Silverado Code - Keyless Entry Transmitters

What does this mean?

What are the Possible Causes of the DTC B3105 2018 Chevrolet Silverado?

Faulty Keyless Entry Transmitters
Faulty Body Control Module (BCM)

How to Fix the DTC B3105 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

Need more information on how to fix the B3105 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3105 2018 Chevrolet Silverado 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 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.