B310E 2015 GMC Sierra Code - Keyless Entry Transmitter 7 Battery
Quick Answer
The B310E diagnostic trouble code (DTC) on a 2015 GMC Sierra specifically refers to an issue with the Keyless Entry Transmitter 7 Battery. Common causes include Low or dead 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
- B310E 2015 GMC Sierra indicates Keyless Entry Transmitter 7 Battery.
- Common causes
- Common causes include Low or dead 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.
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Code B310E 2015 GMC Sierra Description
The B310E diagnostic trouble code (DTC) on a 2015 GMC Sierra specifically refers to an issue with the Keyless Entry Transmitter 7 Battery. In modern vehicles, keyless entry systems have become a common feature that provides convenience and security to drivers. The keyless entry transmitter is a key fob that allows the driver to lock, unlock, and start the vehicle without physically inserting a key into a lock.
Common Causes of B310E 2015 GMC Sierra
- Low or dead battery in the keyless entry transmitter.
- Faulty keyless entry transmitter.
- Electrical issues in the keyless entry system.
- Water damage to the key fob.
- Wear and tear on the key fob components.
Symptoms of B310E 2015 GMC Sierra
- Key fob not working properly or intermittently.
- Inability to lock or unlock the vehicle using the keyless entry system.
- Warning message on the dashboard related to the keyless entry system.
- Difficulty starting the vehicle using the keyless start function.
How to Fix B310E 2015 GMC Sierra
- Replace the battery in the Keyless Entry Transmitter 7 with a new one.
- Test the keyless entry transmitter to ensure it is functioning properly.
- Check for any loose connections or damaged wiring in the keyless entry system.
- If the key fob is damaged beyond repair, consider replacing it with a new one.
- Reset the keyless entry system to re-sync the key fob with the vehicle.
Cost to Fix B310E 2015 GMC Sierra
The cost of repairing the Keyless Entry Transmitter 7 Battery issue can vary depending on the specific circumstances. Typically, the cost of a new battery for the key fob ranges from $5 to $15. If the key fob itself needs to be replaced, it can cost between $50 to $200, depending on the make and model of the vehicle. Labor costs for diagnosis and repair can range from $80 to $150 per hour. It's advisable to consult with a trusted auto repair shop to get an accurate estimate based on your vehicle's needs.
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Frequently Asked Questions about B310E 2015 GMC Sierra Code
1. What does the OBDII code B310E mean on a 2015 GMC Sierra?
The code B310E indicates an issue with the battery in Keyless Entry Transmitter 7, which is one of the key fobs programmed for the vehicle.
2. What are the common symptoms of code B310E in a 2015 GMC Sierra?
Symptoms include reduced range or failure of the key fob to lock/unlock the doors, start the vehicle remotely, or communicate with the vehicle reliably.
3. What causes the B310E code to appear?
The most common cause is a weak or dead battery in the keyless entry transmitter. Other causes may include a damaged key fob, interference, or issues with the vehicle’s receiver.
4. How do I fix the B310E code on my 2015 GMC Sierra?
Replacing the battery in the affected key fob (Transmitter 7) usually resolves the issue. Ensure the new battery is installed correctly with the correct polarity.
5. How do I know which key fob is Transmitter 7 for the B310E code?
The transmitter number corresponds to the programming order. If unsure, test all key fobs to identify the one with a weak or non-responsive signal.
6. Can interference cause the B310E code on my GMC Sierra?
Yes, strong radio frequency interference from nearby devices or structures can disrupt communication between the key fob and the vehicle.
7. Do I need to reprogram the key fob after replacing the battery?
No, typically replacing the battery does not require reprogramming. However, if issues persist, reprogramming may be necessary.
8. What type of battery does the 2015 GMC Sierra key fob use?
Most 2015 GMC Sierra key fobs use a CR2032 coin battery, but confirm the size by checking your owner’s manual or the old battery.
9. Can a damaged key fob cause the B310E code?
Yes, a damaged key fob, such as one with a broken circuit board or worn internal components, can trigger the code.
10. Is it safe to drive with the B310E code active?
Yes, the vehicle is still drivable, but you may experience inconvenience with remote functions like locking/unlocking or remote start. Replace the key fob battery promptly to avoid further issues.
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