Engine-CodesBuick – B310D Buick

B310D Buick Code - Keyless Entry Transmitter 6 Battery

Quick Answer

The B310D diagnostic trouble code for Buick vehicles specifically refers to an issue with the Keyless Entry Transmitter 6 Battery. Common causes include Low battery in the keyless entry transmitter, Battery corrosion affecting the 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 Buick indicates Keyless Entry Transmitter 6 Battery.
Common causes
Common causes include Low battery in the keyless entry transmitter, Battery corrosion affecting the 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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B310D Buick Description

The B310D diagnostic trouble code for Buick vehicles specifically refers 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 responsible for sending signals to the vehicle to lock or unlock the doors, as well as other functions such as activating the alarm system. The keyless entry transmitter is a convenient feature that enhances the security and ease of access to the vehicle.

OBDII Code B310D Buick - Keyless Entry Transmitter 6 Battery
B310D Buick Code - Keyless Entry Transmitter 6 Battery

Common Causes of B310D Buick

  1. Low battery in the keyless entry transmitter
  2. Battery corrosion affecting the transmitter
  3. Faulty keyless entry transmitter
  4. Electrical issues in the keyless entry system

Symptoms of B310D Buick

  1. Difficulty locking or unlocking the doors remotely
  2. Inconsistent response from the keyless entry transmitter
  3. Alarm system not activating or malfunctioning
  4. Complete failure of the keyless entry transmitter

How to Fix B310D Buick

  1. Replace the battery in the keyless entry transmitter with a new one.
  2. Clean any corrosion on the battery terminals or inside the transmitter.
  3. If the battery replacement does not resolve the issue, consider replacing the keyless entry transmitter.
  4. Test the keyless entry system to ensure proper functionality after the repair.

Cost to Fix B310D Buick

The cost of repairing a keyless entry transmitter battery issue can vary depending on the specific cause of the problem and the cost of parts and labor. On average, replacing the battery in the keyless entry transmitter can cost between $10 to $20 for the battery itself. If the transmitter needs to be replaced, the cost can range from $50 to $100 for the part. Labor costs can add an additional $50 to $100, depending on the shop's hourly rates. Overall, the total repair cost for a keyless entry transmitter battery issue can range from $100 to $200. It is advisable to check with local auto repair shops for more accurate pricing based on your specific vehicle make and model.

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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 Buick Code

1. What does the OBDII code B310D mean on a Buick?

The B310D code indicates an issue with the battery in the sixth keyless entry transmitter, such as low voltage or failure.

2. What are common symptoms of the B310D code?

Symptoms include reduced range or unresponsiveness of keyless entry transmitter 6, and possibly a warning light or message on the dashboard.

3. What causes the B310D code on a Buick?

The primary cause is a weak or dead battery in the sixth keyless entry transmitter. Other causes may include damaged transmitter circuitry or interference.

4. How can I fix the B310D code on my Buick?

Replace the battery in the sixth keyless entry transmitter with a compatible one. If the issue persists, replace the transmitter or visit a dealership for further diagnosis.

5. How do I know which transmitter is number 6?

Check your owner's manual or consult your dealership, as the numbering of transmitters may vary depending on the vehicle’s programming.

6. Can I clear the B310D code without fixing the issue?

You can clear the code with an OBDII scanner, but it will likely return if the underlying issue with the transmitter battery is not resolved.

7. What type of battery do I need to replace a keyless entry transmitter battery?

Most Buick keyless entry transmitters use a CR2032 or CR2025 coin cell battery, but consult your owner’s manual to confirm the correct type.

8. Can interference cause the B310D code to appear?

Yes, strong electromagnetic interference or being near devices like cell towers can occasionally disrupt the transmitter signal, though this is less common.

9. Do I need to reprogram the transmitter after replacing the battery?

In most cases, replacing the battery does not require reprogramming. However, if the transmitter still doesn’t work, reprogramming may be necessary.

10. Should I replace all transmitter batteries if one triggers the B310D code?

It’s not required, but replacing all transmitter batteries at the same time ensures consistent performance and avoids future issues.

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