AutoCodes – Generic – B310E

B310E Code - Keyless Entry Transmitter 7 Battery

Quick Answer

With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the Remote Control Door Lock Receiver (RCDLR), along with the commanded keyless entry function. Common causes include Low Keyless Entry Transmitter Battery, 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: B310E indicates Keyless Entry Transmitter 7 Battery.
Common causes: Common causes include Low Keyless Entry Transmitter Battery, 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.

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Code Popularity 539

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 11, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B310E Description

With each press of a keyless entry transmitter button, a message containing the current battery state of the transmitter is sent to the Remote Control Door Lock Receiver (RCDLR), along with the commanded keyless entry function. The Remote Control Door Lock Receiver sends this to the Body Control Module (BCM) to perform the requested function. The Diagnostic Trouble Code (DTC) sets when three consecutive low-battery signals are received from the same transmitter.

OBDII Code B310E - Keyless Entry Transmitter 7 Battery - AutoCodes.com — B310E Code - Keyless Entry Transmitter 7 Battery

What does this mean?

What are the Possible Causes of the DTC B310E?

Low Keyless Entry Transmitter Battery
Faulty Keyless Entry Transmitter

How to Fix the DTC B310E?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B310E code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B310E code?

Need more information on how to fix the B310E code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B310E code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B310E Buick — Keyless Entry Transmitter 7 Battery
B310E Cadillac — Keyless Entry Transmitter 7 Battery
B310E Chevrolet — Keyless Entry Transmitter 7 Battery
B310E GMC — Keyless Entry Transmitter 7 Battery

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 Code

1. What are common symptoms of OBDII code B310E (Keyless Entry Transmitter 7 Battery)?

The common symptoms include the keyless entry remote not working, difficulty locking or unlocking the vehicle, and a warning light on the dashboard related to the keyless entry system.

2. What causes OBDII code B310E to be triggered?

The code B310E is triggered when the keyless entry transmitter 7 battery is low or needs replacement. This can happen over time due to normal wear and tear.

3. How can I diagnose a keyless entry transmitter 7 battery issue?

You can diagnose a keyless entry transmitter 7 battery issue by testing the battery with a multimeter to check its voltage. If the voltage is low or inconsistent, it may need to be replaced.

4. Can I replace the keyless entry transmitter 7 battery myself?

Yes, replacing the keyless entry transmitter 7 battery is usually a straightforward process that can be done yourself. Refer to your vehicle's manual for instructions on how to access and replace the battery.

5. Are there any special considerations when replacing the keyless entry transmitter 7 battery?

Make sure to use the correct type and size of battery recommended by the vehicle manufacturer. Additionally, handle the keyless entry transmitter carefully to avoid damaging it during the battery replacement process.

6. How often should I replace the keyless entry transmitter 7 battery?

The keyless entry transmitter 7 battery typically lasts for a few years before needing replacement. However, if you notice decreased performance or responsiveness from the keyless entry system, it may be time to replace the battery.

7. Will replacing the keyless entry transmitter 7 battery reset the OBDII code B310E?

Once the keyless entry transmitter 7 battery is replaced, the OBDII code B310E should be cleared from the system. If the code persists, further diagnosis may be needed.

8. Can a low keyless entry transmitter 7 battery cause other issues in the vehicle?

A low keyless entry transmitter 7 battery may not directly cause other issues in the vehicle, but it can affect the operation of the keyless entry system, leading to inconvenience and potential security concerns.

9. Is it necessary to reprogram the keyless entry transmitter after replacing the battery?

In most cases, replacing the keyless entry transmitter 7 battery does not require reprogramming the keyless entry remote. However, refer to your vehicle's manual for specific instructions or consult a professional if needed.

10. What should I do if replacing the keyless entry transmitter 7 battery does not resolve the issue?

If replacing the keyless entry transmitter 7 battery does not resolve the problem, there may be an underlying issue with the keyless entry system that requires further diagnosis by a qualified mechanic or dealership.