AutoCodes – GMC – B3111 2015 GMC Sierra

B3111 2015 GMC Sierra Code - Keyless Entry Transmitter 3 Battery

Quick Answer

With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the Remote Control Door Lock Receiver (RCDLR), along with the commanded keyless entry function. Common causes include Low Keyless Entry Transmitter Battery, Faulty Keyless Entry Transmitter. 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
B3111 2015 GMC Sierra indicates Keyless Entry Transmitter 3 Battery.
Common causes
Common causes include Low Keyless Entry Transmitter Battery, Faulty Keyless Entry Transmitter.
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 191
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 11, 2023
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Code B3111 2015 GMC Sierra Description

With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the Remote Control Door Lock Receiver (RCDLR), along with the commanded keyless entry function. The Remote Control Door Lock Receiver sends this to the Body Control Module (BCM) to perform the requested function. The Diagnostic Trouble Code (DTC) sets when three consecutive low-battery signals are received from the same transmitter.
OBDII Code B3111 2015 GMC Sierra - Keyless Entry Transmitter 3 Battery - AutoCodes.com
B3111 2015 GMC Sierra Code - Keyless Entry Transmitter 3 Battery

What are the Possible Causes of the DTC B3111 2015 GMC Sierra?

  • Low Keyless Entry Transmitter Battery
  • Faulty Keyless Entry Transmitter

How to Fix the DTC B3111 2015 GMC Sierra?

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 B3111 2015 GMC Sierra 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 B3111 2015 GMC Sierra code?

Need more information on how to fix the B3111 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3111 2015 GMC Sierra 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 B3111 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code B3111 in a 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery?

The common symptoms include malfunctioning keyless entry remote, difficulty locking or unlocking the vehicle, and warning messages on the dashboard.

2. What are the possible causes of OBDII code B3111 in a 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery?

Possible causes include a weak or dead battery in the keyless entry transmitter, a faulty keyless entry system module, or poor electrical connections.

3. How can I diagnose OBDII code B3111 in my 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery?

You can diagnose the code by checking the battery voltage in the keyless entry transmitter, inspecting the keyless entry system module for any visible damage, and testing the electrical connections for continuity.

4. Can I repair OBDII code B3111 in my 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery myself?

If the issue is related to a weak or dead battery in the keyless entry transmitter, you can replace the battery yourself. However, for more complex issues with the keyless entry system module or electrical connections, it is recommended to seek professional help.

5. Are there any temporary fixes for OBDII code B3111 in my 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery?

A temporary fix could be manually unlocking and locking the vehicle using the key until the keyless entry issue is resolved. However, this is not a permanent solution and should be addressed promptly.

6. How important is it to address OBDII code B3111 in my 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery?

Addressing this code is important to ensure the proper functioning of the keyless entry system, which is a convenient and essential feature for vehicle security and access.

7. Can OBDII code B3111 in my 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery cause any other problems?

While the code itself may not cause major issues, a malfunctioning keyless entry system can lead to inconvenience, security concerns, and potentially affect the overall usability of the vehicle.

8. How long does it typically take to repair OBDII code B3111 in a 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery?

The repair time can vary depending on the exact cause of the issue. Replacing the keyless entry transmitter battery can be done quickly, while more complex repairs may take longer.

9. Are there any preventative measures I can take to avoid OBDII code B3111 in my 2015 GMC Sierra related to the Keyless Entry Transmitter 3 Battery?

Regularly checking the condition of the keyless entry transmitter battery and ensuring proper maintenance of the keyless entry system can help prevent issues leading to this code.

10. Is it safe to continue driving my 2015 GMC Sierra with OBDII code B3111 related to the Keyless Entry Transmitter 3 Battery?

While it may be safe to drive the vehicle, it is recommended to address the keyless entry issue promptly to avoid potential inconvenience or security risks associated with a malfunctioning keyless entry system.

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