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B310E 2017 GMC Sierra Code - Keyless Entry Transmitter 7 Battery

Quick Answer

The B310E diagnostic trouble code (DTC) for the 2017 GMC Sierra specifically refers to an issue with the Keyless Entry Transmitter 7 Battery. Common causes include Low battery power in Keyless Entry Transmitter 7, Faulty battery within the key fob, Poor connection between the battery and the 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
B310E 2017 GMC Sierra indicates Keyless Entry Transmitter 7 Battery.
Common causes
Common causes include Low battery power in Keyless Entry Transmitter 7, Faulty battery within the key fob, Poor connection between the battery and the 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 B310E 2017 GMC Sierra Description

The B310E diagnostic trouble code (DTC) for the 2017 GMC Sierra specifically refers to an issue with the Keyless Entry Transmitter 7 Battery. In modern vehicles, keyless entry systems use key fobs or transmitters to remotely lock/unlock doors, open the trunk, and even start the engine. The keyless entry transmitter relies on a battery to function properly, and when the system detects a low battery or a malfunction, it will trigger the B310E code.

OBDII Code B310E 2017 GMC Sierra - Keyless Entry Transmitter 7 Battery
B310E 2017 GMC Sierra Code - Keyless Entry Transmitter 7 Battery

Common Causes of B310E 2017 GMC Sierra

  1. Low battery power in Keyless Entry Transmitter 7.
  2. Faulty battery within the key fob.
  3. Poor connection between the battery and the transmitter.
  4. Internal issues within the keyless entry transmitter.
  5. General wear and tear on the key fob components.

Symptoms of B310E 2017 GMC Sierra

  1. Key fob buttons not responding consistently.
  2. Inability to unlock/lock doors remotely.
  3. Key fob range significantly reduced.
  4. Key fob not recognized by the vehicle.
  5. Keyless entry system not functioning properly.

How to Fix B310E 2017 GMC Sierra

  1. Replace Keyless Entry Transmitter Battery: Start by replacing the battery in Keyless Entry Transmitter 7 with a new one. Be sure to use the correct type of battery recommended by the vehicle manufacturer.
  2. Test Key Fob Functionality: After replacing the battery, test the key fob to ensure that it is working properly and that the B310E code has been resolved.
  3. Inspect Key Fob Contacts: Check the contacts within the key fob to ensure they are clean and making proper contact with the battery.
  4. Check Keyless Entry Transmitter: If the issue persists, inspect the keyless entry transmitter for any internal faults. It may require repair or replacement.
  5. Reinitialize Keyless Entry System: In some cases, the keyless entry system may need to be reprogrammed or reinitialized to sync with the new battery.

Cost to Fix B310E 2017 GMC Sierra

The cost of repairing a Keyless Entry Transmitter 7 Battery issue can vary depending on the specific vehicle make and model, as well as the location and labor rates of the auto repair shop. Typically, replacing the battery in a key fob is a relatively inexpensive repair, with the cost of a new battery ranging from $5 to $20. If the issue is with the keyless entry transmitter itself, the cost of repair or replacement may be higher, potentially ranging from $50 to $200 or more. Additionally, labor costs for diagnosis and repair can add to the total cost, with hourly rates typically ranging from $80 to $150. It is recommended to consult with a qualified mechanic or dealership for a more precise cost estimate based on your specific situation.

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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 B310E 2017 GMC Sierra Code

1. What does OBDII code B310E on a 2017 GMC Sierra indicate?

The code B310E specifically relates to the Keyless Entry Transmitter 7 Battery in a 2017 GMC Sierra.

2. What are the common symptoms of OBDII code B310E in a 2017 GMC Sierra?

Common symptoms include issues with the keyless entry system, such as the remote not working or the vehicle not responding to keyless entry commands.

3. What are the potential causes of OBDII code B310E in a 2017 GMC Sierra?

The most common cause is a low or dead battery in the keyless entry transmitter. Other causes could include a faulty transmitter or issues with the keyless entry system.

4. How can I diagnose the OBDII code B310E in my 2017 GMC Sierra?

Start by checking the battery in the keyless entry transmitter. If the battery is fine, try reprogramming the transmitter. If the issue persists, it may require professional diagnosis.

5. Can I repair OBDII code B310E in my 2017 GMC Sierra myself?

If the issue is simply a dead battery in the keyless entry transmitter, you can replace it yourself. However, if the problem lies with the transmitter or keyless entry system, it may require professional repair.

6. How often should I replace the battery in the keyless entry transmitter of a 2017 GMC Sierra?

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

7. Are there any preventative maintenance tips to avoid OBDII code B310E in a 2017 GMC Sierra?

Regularly checking and replacing the battery in the keyless entry transmitter is a good preventative measure. Additionally, keeping the transmitter clean and avoiding physical damage can help prevent issues.

8. Can OBDII code B310E in a 2017 GMC Sierra cause any other problems with the vehicle?

While the code itself relates to the keyless entry system, if left unresolved, it could potentially lead to inconvenience or security issues related to accessing the vehicle.

9. Is it safe to continue driving my 2017 GMC Sierra with OBDII code B310E?

As long as the code is related to the keyless entry system and not affecting the vehicle's operation, it is generally safe to continue driving. However, it's best to address the issue promptly.

10. How much does it typically cost to repair OBDII code B310E in a 2017 GMC Sierra?

The cost can vary depending on the exact cause of the issue. Replacing a keyless entry transmitter battery is relatively inexpensive, while repairs to the transmitter or keyless entry system could range in cost.

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