AutoCodes – Chevrolet – B3105 2015 Chevrolet Silverado

B3105 2015 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 2015 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 342

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 2015 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 2015 Chevrolet Silverado - Keyless Entry Transmitters - AutoCodes.com — B3105 2015 Chevrolet Silverado Code - Keyless Entry Transmitters

What does this mean?

What are the Possible Causes of the DTC B3105 2015 Chevrolet Silverado?

Faulty Keyless Entry Transmitters
Faulty Body Control Module (BCM)

How to Fix the DTC B3105 2015 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 2015 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 2015 Chevrolet Silverado code?

Need more information on how to fix the B3105 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 2015 Chevrolet Silverado Code

1. What does OBDII code B3105 indicate in a 2015 Chevrolet Silverado related to Keyless Entry Transmitters?

- OBDII code B3105 in a 2015 Chevrolet Silverado typically indicates a problem with the keyless entry transmitters.

2. What are common symptoms of a B3105 OBDII code in a 2015 Chevrolet Silverado?

- Common symptoms of a B3105 code may include issues with the key fob not working, difficulty locking or unlocking the vehicle, or a malfunctioning remote start system.

3. What are the possible causes of OBDII code B3105 in a 2015 Chevrolet Silverado?

- The B3105 code in a 2015 Chevrolet Silverado may be triggered by a faulty keyless entry transmitter, a weak or dead battery in the key fob, or issues with the vehicle's receiver module.

4. How can I diagnose the cause of a B3105 OBDII code in my 2015 Chevrolet Silverado?

- To diagnose the cause of a B3105 code, you can start by checking the battery in the key fob, ensuring the key fob is properly programmed, and inspecting the receiver module for any visible damage.

5. Can I repair a B3105 OBDII code in my 2015 Chevrolet Silverado myself?

- Depending on the cause of the B3105 code, you may be able to repair it yourself by replacing the key fob battery, reprogramming the key fob, or replacing the receiver module if necessary.

6. Are there any simple troubleshooting steps I can try for a B3105 OBDII code in my 2015 Chevrolet Silverado?

- Yes, you can start by checking if other key fobs work with your vehicle, replacing the key fob battery, and ensuring there are no obstructions blocking the signal between the key fob and the receiver module.

7. What are the potential consequences of ignoring a B3105 OBDII code in a 2015 Chevrolet Silverado?

- Ignoring a B3105 code may lead to continued issues with keyless entry functions, potentially leaving you locked out of your vehicle or unable to start the engine remotely.

8. Is it safe to continue driving my 2015 Chevrolet Silverado with a B3105 OBDII code?

- While it may be safe to drive your vehicle with a B3105 code, it is important to address the underlying issue promptly to avoid inconvenience and potential security risks associated with malfunctioning keyless entry systems.

9. How much does it typically cost to repair a B3105 OBDII code in a 2015 Chevrolet Silverado?

- The cost of repairing a B3105 code can vary depending on the cause of the issue. Simple fixes like replacing a key fob battery may be inexpensive, while replacing a receiver module could be more costly.

10. Can a B3105 OBDII code be triggered by issues other than the keyless entry system in a 2015 Chevrolet Silverado?

- While the B3105 code is primarily related to keyless entry transmitters, it is essential to rule out other potential causes such as wiring issues or faults in the vehicle's communication network.