AutoCodes – Buick – B310E Buick

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

What does this mean?

What are the Possible Causes of the DTC B310E Buick?

Low Keyless Entry Transmitter Battery
Faulty Keyless Entry Transmitter

How to Fix the DTC B310E Buick?

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 Buick 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.

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Need Help with the Code?

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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 Buick Code

1. What are the common symptoms of OBDII code B310E in a Buick related to the Keyless Entry Transmitter 7 Battery?

The common symptoms include issues with the keyless entry system, such as the remote not working or needing to be pressed multiple times to unlock or lock the vehicle.

2. What are the possible causes of the B310E OBDII code in a Buick?

The B310E code typically indicates a low battery level in the Keyless Entry Transmitter 7, which may need to be replaced.

3. How can I diagnose the Keyless Entry Transmitter 7 battery issue in my Buick?

You can start by replacing the battery in the key fob. If the problem persists, you may need to have the key fob reprogrammed or check for other underlying electrical issues.

4. Can a weak Keyless Entry Transmitter 7 battery cause other problems in my Buick?

Yes, a weak key fob battery can lead to intermittent or complete failure of the keyless entry system, affecting your ability to lock and unlock the vehicle remotely.

5. Is it safe to continue driving with the B310E OBDII code related to the Keyless Entry Transmitter 7 Battery?

While it is generally safe to drive with this code, you may experience inconvenience with the keyless entry system. It's best to address the issue promptly to avoid being locked out of your vehicle.

6. Can I replace the Keyless Entry Transmitter 7 battery in my Buick myself?

Yes, replacing the battery in the key fob is a relatively simple DIY task that requires a small screwdriver to open the fob and a new battery, typically a CR2032.

7. How long does the Keyless Entry Transmitter 7 battery typically last in a Buick?

The lifespan of the key fob battery can vary depending on usage, but it generally lasts between 1-2 years before needing replacement.

8. Are there any preventative measures I can take to avoid the B310E code related to the Keyless Entry Transmitter 7 Battery in my Buick?

Regularly checking and replacing the key fob battery before it completely drains can help prevent issues with the keyless entry system and the B310E code from appearing.

9. Can a malfunctioning Keyless Entry Transmitter 7 battery affect other vehicle systems in my Buick?

The key fob battery primarily affects the keyless entry system and does not typically impact other vehicle systems. However, addressing the issue promptly can prevent any related problems from arising.

10. Will resetting the OBDII code B310E in my Buick resolve the Keyless Entry Transmitter 7 Battery issue?

Resetting the code may temporarily clear the error message, but if the underlying issue of a weak key fob battery is not addressed, the problem will likely reoccur. It's best to replace the battery in the key fob to resolve the B310E code permanently.