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B310D 2018 GMC Sierra Code - Keyless Entry Transmitter 6 Battery

Quick Answer

The B310D diagnostic trouble code for a 2018 GMC Sierra specifically relates to an issue with the Keyless Entry Transmitter 6 Battery. Common causes include Low battery in the keyless entry transmitter, Dead battery in the keyless entry transmitter, 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
B310D 2018 GMC Sierra indicates Keyless Entry Transmitter 6 Battery.
Common causes
Common causes include Low battery in the keyless entry transmitter, Dead battery in the keyless entry transmitter, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B310D 2018 GMC Sierra Description

The B310D diagnostic trouble code for a 2018 GMC Sierra specifically relates to an issue with the Keyless Entry Transmitter 6 Battery. This code indicates that there is a problem with the battery of the keyless entry transmitter, which is the remote control device used to lock, unlock, and sometimes start the vehicle. The keyless entry transmitter communicates with the vehicle's body control module to perform these functions wirelessly. When the battery in the keyless entry transmitter is low or dead, it can cause issues with the communication between the transmitter and the vehicle, leading to functionality problems.

OBDII Code B310D 2018 GMC Sierra - Keyless Entry Transmitter 6 Battery
B310D 2018 GMC Sierra Code - Keyless Entry Transmitter 6 Battery

Common Causes of B310D 2018 GMC Sierra

  1. Low battery in the keyless entry transmitter.
  2. Dead battery in the keyless entry transmitter.
  3. Faulty keyless entry transmitter.
  4. Electrical issues in the keyless entry system.
  5. Software glitch in the body control module.

Symptoms of B310D 2018 GMC Sierra

  1. Keyless entry transmitter does not work at all.
  2. Intermittent issues with locking or unlocking the vehicle.
  3. Reduced range of operation for the keyless entry transmitter.
  4. Vehicle does not respond to keyless entry commands consistently.
  5. Warning message on the vehicle's dashboard indicating a keyless entry system fault.

How to Fix B310D 2018 GMC Sierra

  1. Replace the battery in the keyless entry transmitter with a new one.
  2. Test the keyless entry transmitter to ensure it is functioning properly.
  3. If the transmitter is faulty, replace it with a new one.
  4. Check for any electrical issues in the keyless entry system and repair as necessary.
  5. If the problem persists, reprogram the keyless entry system or update the software in the body control module.

Cost to Fix B310D 2018 GMC Sierra

The cost of repairing a Keyless Entry Transmitter 6 Battery issue can vary depending on the specific cause of the problem. In general, replacing the battery in the keyless entry transmitter is a relatively inexpensive fix, with batteries typically costing between $5 to $15. If the transmitter itself needs to be replaced, the cost can range from $50 to $200, depending on the make and model of the vehicle. Labor costs for diagnosis and repair can vary, but typically range from $80 to $150 per hour. It's recommended to check with local auto repair shops for a more accurate cost 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 B310D 2018 GMC Sierra Code

1. What does the OBDII code B310D on a 2018 GMC Sierra indicate?

The B310D code specifically relates to a fault with Keyless Entry Transmitter 6 Battery.

2. What are the common symptoms of OBDII code B310D in a 2018 GMC Sierra?

Common symptoms of this code may include issues with the keyless entry system, such as the remote not working or the vehicle failing to respond to keyless entry commands.

3. What are the possible causes of the B310D code on a 2018 GMC Sierra?

The B310D code is typically triggered by a low or dead battery in the Keyless Entry Transmitter 6. Other potential causes include a faulty transmitter or issues with the keyless entry system.

4. How can I diagnose the B310D code on my 2018 GMC Sierra?

Diagnosing the B310D code involves checking the battery in Keyless Entry Transmitter 6, testing the transmitter for proper functioning, and inspecting the keyless entry system for any visible issues.

5. How can I repair the B310D code on a 2018 GMC Sierra?

To repair the B310D code, start by replacing the battery in Keyless Entry Transmitter 6. If the issue persists, consider replacing the transmitter itself or seeking professional assistance for further diagnosis and repair.

6. Can I reset the B310D code on my 2018 GMC Sierra after replacing the battery?

Once you've replaced the battery in Keyless Entry Transmitter 6, you may be able to clear the B310D code by disconnecting the vehicle's battery for a few minutes or using an OBDII scanner to clear the code.

7. Is it safe to continue driving my 2018 GMC Sierra with the B310D code present?

While the B310D code is related to the keyless entry system and may not affect the vehicle's drivability, it's recommended to address the issue promptly to ensure the proper functioning of the keyless entry system.

8. How often should I replace the battery in Keyless Entry Transmitter 6 to prevent the B310D code from reoccurring?

It's a good practice to replace the battery in Keyless Entry Transmitter 6 as soon as you notice issues with the keyless entry system, and then periodically as part of routine maintenance to prevent the B310D code from reoccurring.

9. Are there any preventive measures I can take to avoid the B310D code on my 2018 GMC Sierra?

Regularly checking the battery in Keyless Entry Transmitter 6 and ensuring it is in good condition can help prevent the B310D code. Additionally, avoiding physical damage to the transmitter can also reduce the likelihood of encountering this issue.

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