Engine-CodesGMC – B3110 2017 GMC Sierra

B3110 2017 GMC Sierra Code - Keyless Entry Transmitter 2 Battery

Quick Answer

The B3110 diagnostic trouble code (DTC) for the 2017 GMC Sierra specifically refers to an issue with the Keyless Entry Transmitter 2 Battery. Common causes include Dead or dying battery in the keyless entry transmitter, Battery corrosion affecting transmitter performance, 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
B3110 2017 GMC Sierra indicates Keyless Entry Transmitter 2 Battery.
Common causes
Common causes include Dead or dying battery in the keyless entry transmitter, Battery corrosion affecting transmitter performance, 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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B3110 2017 GMC Sierra Description

The B3110 diagnostic trouble code (DTC) for the 2017 GMC Sierra specifically refers to an issue with the Keyless Entry Transmitter 2 Battery. This code indicates that there is a problem with the battery in the second keyless entry transmitter for the vehicle. The keyless entry transmitter is a crucial component that allows the driver to remotely lock and unlock the vehicle, as well as perform other functions such as opening the trunk or activating the panic alarm.

OBDII Code B3110 2017 GMC Sierra - Keyless Entry Transmitter 2 Battery
B3110 2017 GMC Sierra Code - Keyless Entry Transmitter 2 Battery

Common Causes of B3110 2017 GMC Sierra

  1. Dead or dying battery in the keyless entry transmitter
  2. Battery corrosion affecting transmitter performance
  3. Faulty keyless entry transmitter
  4. Electrical issues in the keyless entry system
  5. Environmental factors affecting battery life

Symptoms of B3110 2017 GMC Sierra

  1. Keyless entry transmitter not working properly
  2. Difficulty locking or unlocking the vehicle remotely
  3. Keyless entry system not responding
  4. Inconvenience for the driver
  5. Compromised security of the vehicle

How to Fix B3110 2017 GMC Sierra

  1. Replace the battery in the keyless entry transmitter
  2. Test the transmitter to ensure proper functionality
  3. Clean any corrosion from the battery contacts
  4. Check for any electrical issues in the keyless entry system
  5. Reset the keyless entry system if necessary

Cost to Fix B3110 2017 GMC Sierra

The typical repair costs for replacing the battery in a keyless entry transmitter can range from $20 to $50 for the battery itself. Labor costs can vary depending on the shop rates, but you can expect to pay between $50 and $150 for this type of repair. Keep in mind that additional costs may apply if there are other underlying issues with the keyless entry system that need to be addressed. It's recommended to consult with a qualified mechanic to get an accurate estimate based on your specific vehicle and location.

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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 B3110 2017 GMC Sierra Code

1. What does OBDII code B3110 mean on a 2017 GMC Sierra?

Code B3110 indicates an issue with the Keyless Entry Transmitter 2 Battery, typically caused by a low or discharged battery in the second key fob.

2. What are the symptoms of code B3110 on a 2017 GMC Sierra?

Common symptoms include the second key fob not working, difficulty unlocking or starting the vehicle, and a warning message related to the key fob battery.

3. What causes code B3110 in a 2017 GMC Sierra?

The most common cause is a weak or dead battery in the second key fob. Corrosion or damage to the key fob's internal components may also trigger the code.

4. How do I fix code B3110 on my 2017 GMC Sierra?

Replace the battery in the second key fob with a fresh one, ensuring it is installed correctly. If the issue persists, inspect the key fob for damage or consider reprogramming it.

5. What type of battery does the 2017 GMC Sierra key fob use?

The 2017 GMC Sierra key fob typically uses a CR2032 button cell battery, but consult your owner’s manual to confirm.

6. Can I still drive my 2017 GMC Sierra with code B3110 active?

Yes, you can drive the vehicle, but the second key fob may not function properly until the issue is resolved.

7. How do I know if my second key fob battery is dead?

If the second key fob does not unlock the doors or start the vehicle remotely, the battery is likely dead and needs replacement.

8. Will clearing code B3110 fix the issue on my 2017 GMC Sierra?

No, clearing the code will not fix the issue. You must address the underlying problem, such as replacing the key fob battery.

9. How often should I replace the key fob battery in a 2017 GMC Sierra?

Key fob batteries typically last 2-3 years, depending on usage. Replace the battery if you notice reduced functionality.

10. What should I do if replacing the key fob battery doesn’t clear code B3110?

If replacing the battery doesn’t work, check for damage to the key fob or consult a dealership to reprogram or replace the key fob.

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