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B3111 2016 GMC Sierra Code - Keyless Entry Transmitter 3 Battery

Quick Answer

The B3111 diagnostic trouble code (DTC) for a 2016 GMC Sierra specifically relates to the Keyless Entry Transmitter 3 Battery. Common causes include Low battery in the keyless entry transmitter, Faulty keyless entry transmitter, Electrical 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
B3111 2016 GMC Sierra indicates Keyless Entry Transmitter 3 Battery.
Common causes
Common causes include Low battery in the keyless entry transmitter, Faulty keyless entry transmitter, Electrical 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code B3111 2016 GMC Sierra Description

The B3111 diagnostic trouble code (DTC) for a 2016 GMC Sierra specifically relates to the Keyless Entry Transmitter 3 Battery. This code indicates that there is an issue with the battery in the third keyless entry transmitter for the vehicle. Keyless entry transmitters are an essential component of modern vehicles, allowing drivers to unlock and lock their cars remotely without using a physical key. When the battery in the transmitter is low or failing, it can cause various issues with the keyless entry system.

OBDII Code B3111 2016 GMC Sierra - Keyless Entry Transmitter 3 Battery
B3111 2016 GMC Sierra Code - Keyless Entry Transmitter 3 Battery

Common Causes of B3111 2016 GMC Sierra

  1. Low battery in the keyless entry transmitter
  2. Faulty keyless entry transmitter
  3. Electrical issues in the keyless entry system
  4. Corrosion on the battery terminals in the transmitter

Symptoms of B3111 2016 GMC Sierra

  1. Intermittent response from the keyless entry system
  2. Inability to unlock or lock the vehicle using the keyless entry transmitter
  3. Reduced range of operation for the keyless entry system
  4. Warning light on the dashboard indicating a keyless entry system fault

How to Fix B3111 2016 GMC Sierra

  1. Replace the battery in the keyless entry transmitter with a new one of the correct type.
  2. Test the keyless entry transmitter to ensure it is functioning properly after the battery replacement.
  3. Check for any corrosion on the battery terminals and clean them if necessary.
  4. If the issue persists, consider replacing the keyless entry transmitter itself.
  5. Reset the vehicle's keyless entry system to reestablish communication between the transmitter and receiver.

Cost to Fix B3111 2016 GMC Sierra

The typical repair costs for addressing a Keyless Entry Transmitter 3 Battery issue can vary depending on the specific circumstances and whether the battery replacement is the only necessary repair. Generally, replacing the battery in a keyless entry transmitter is a relatively inexpensive fix, with the cost of a new battery typically ranging from $5 to $20. However, if the transmitter itself needs to be replaced, the cost can be higher, typically ranging from $50 to $100 for the part alone.

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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 B3111 2016 GMC Sierra Code

1. What does OBDII code B3111 for a 2016 GMC Sierra indicate?

The code B3111 specifically relates to the Keyless Entry Transmitter 3 Battery in the vehicle.

2. What are the common symptoms of OBDII code B3111 in a 2016 GMC Sierra?

Common symptoms can include issues with the keyless entry system, such as the remote not working properly or intermittently.

3. What are the possible causes of OBDII code B3111 on a 2016 GMC Sierra?

The most common cause is a depleted or failing battery within the keyless entry transmitter.

4. How can I diagnose the Keyless Entry Transmitter 3 Battery issue related to OBDII code B3111 in my 2016 GMC Sierra?

You can start by replacing the battery in the keyless entry transmitter to see if that resolves the problem. If the issue persists, further diagnosis may be needed.

5. Can I repair OBDII code B3111 myself in a 2016 GMC Sierra?

Yes, replacing the battery in the keyless entry transmitter is a relatively simple DIY repair that may solve the problem associated with this code.

6. How often should I replace the battery in the keyless entry transmitter of my 2016 GMC Sierra to prevent OBDII code B3111 from recurring?

It's recommended to replace the battery in the keyless entry transmitter every 1-2 years, or as soon as you notice decreased range or responsiveness.

7. Are there any other potential issues that could trigger OBDII code B3111 besides a faulty keyless entry transmitter battery in a 2016 GMC Sierra?

While rare, issues with the keyless entry system itself or electronic components related to it could also trigger this code.

8. Will OBDII code B3111 cause any serious harm to my 2016 GMC Sierra if left unaddressed?

Leaving this issue unresolved may result in inconvenience related to keyless entry functionality, but it should not cause any serious harm to the vehicle.

9. Can resetting the keyless entry system fix OBDII code B3111 on a 2016 GMC Sierra?

Resetting the keyless entry system may sometimes resolve temporary communication glitches, but if the issue is related to the battery, a replacement is usually necessary.

10. Is it necessary to visit a dealership or mechanic to address OBDII code B3111 in a 2016 GMC Sierra?

For the simple task of replacing the keyless entry transmitter battery, it can typically be done at home. If further diagnosis or repairs are needed, a professional may be required.

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