AutoCodes – GMC – B310D 2018 GMC Sierra

B310D 2018 GMC Sierra Code - Keyless Entry Transmitter 6 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: B310D 2018 GMC Sierra indicates Keyless Entry Transmitter 6 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 156

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 B310D 2018 GMC Sierra 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 B310D 2018 GMC Sierra - Keyless Entry Transmitter 6 Battery - AutoCodes.com — B310D 2018 GMC Sierra Code - Keyless Entry Transmitter 6 Battery

What does this mean?

What are the Possible Causes of the DTC B310D 2018 GMC Sierra?

Low Keyless Entry Transmitter Battery
Faulty Keyless Entry Transmitter

How to Fix the DTC B310D 2018 GMC Sierra?

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 B310D 2018 GMC Sierra 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 B310D 2018 GMC Sierra code?

Need more information on how to fix the B310D 2018 GMC Sierra code? Get Access to Factory Service Manuals

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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 2018 GMC Sierra Code

1. What does the OBDII code B310D on a 2018 GMC Sierra indicate?

The B310D code specifically relates to a fault with Keyless Entry Transmitter 6 Battery.

2. What are the common symptoms of OBDII code B310D in a 2018 GMC Sierra?

Common symptoms of this code may include issues with the keyless entry system, such as the remote not working or the vehicle failing to respond to keyless entry commands.

3. What are the possible causes of the B310D code on a 2018 GMC Sierra?

The B310D code is typically triggered by a low or dead battery in the Keyless Entry Transmitter 6. Other potential causes include a faulty transmitter or issues with the keyless entry system.

4. How can I diagnose the B310D code on my 2018 GMC Sierra?

Diagnosing the B310D code involves checking the battery in Keyless Entry Transmitter 6, testing the transmitter for proper functioning, and inspecting the keyless entry system for any visible issues.

5. How can I repair the B310D code on a 2018 GMC Sierra?

To repair the B310D code, start by replacing the battery in Keyless Entry Transmitter 6. If the issue persists, consider replacing the transmitter itself or seeking professional assistance for further diagnosis and repair.

6. Can I reset the B310D code on my 2018 GMC Sierra after replacing the battery?

Once you've replaced the battery in Keyless Entry Transmitter 6, you may be able to clear the B310D code by disconnecting the vehicle's battery for a few minutes or using an OBDII scanner to clear the code.

7. Is it safe to continue driving my 2018 GMC Sierra with the B310D code present?

While the B310D code is related to the keyless entry system and may not affect the vehicle's drivability, it's recommended to address the issue promptly to ensure the proper functioning of the keyless entry system.

8. How often should I replace the battery in Keyless Entry Transmitter 6 to prevent the B310D code from reoccurring?

It's a good practice to replace the battery in Keyless Entry Transmitter 6 as soon as you notice issues with the keyless entry system, and then periodically as part of routine maintenance to prevent the B310D code from reoccurring.

9. Are there any preventive measures I can take to avoid the B310D code on my 2018 GMC Sierra?

Regularly checking the battery in Keyless Entry Transmitter 6 and ensuring it is in good condition can help prevent the B310D code. Additionally, avoiding physical damage to the transmitter can also reduce the likelihood of encountering this issue.