AutoCodes – GMC – B0851 GMC

B0851 GMC Code - Memory Seat Module Battery Out Of Range

Quick Answer

The Memory Seat Module has two battery voltage supply circuits. Common causes include Faulty Memory Seat Module, Memory Seat Module harness is open or shorted, Memory Seat Module circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B0851 GMC indicates Memory Seat Module Battery Out Of Range.
Common causes: Common causes include Faulty Memory Seat Module, Memory Seat Module harness is open or shorted, Memory Seat Module circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 876

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B0851 GMC Description

The Memory Seat Module has two battery voltage supply circuits. The battery 1 voltage supply circuit is used to provide power for the memory seat module logic and internal driver operation. The battery 2 voltage supply circuit is used to provide a high current supply for the memory seat module output devices.

OBDII Code B0851 GMC - Memory Seat Module Battery Out Of Range - AutoCodes.com — B0851 GMC Code - Memory Seat Module Battery Out Of Range

What does this mean?

What are the Possible Causes of the DTC B0851 GMC?

Faulty Memory Seat Module
Memory Seat Module harness is open or shorted
Memory Seat Module circuit poor electrical connection

How to Fix the DTC B0851 GMC?

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 B0851 GMC 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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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 B0851 GMC Code

1. What are the common symptoms of OBDII code B0851 for GMC related to the Memory Seat Module Battery Out Of Range?

The common symptoms include issues with the memory seat functionality, such as the inability to save seat positions or erratic movement of the seats.

2. What are the possible causes of OBDII code B0851 GMC?

The code B0851 in GMC vehicles is typically triggered by a faulty memory seat module, a drained or weak battery in the module, or wiring issues.

3. How can I diagnose the cause of OBDII code B0851 in my GMC vehicle?

To diagnose the issue, you can start by checking the connections to the memory seat module, testing the battery voltage, and inspecting the wiring for any signs of damage or corrosion.

4. Can a DIY enthusiast repair OBDII code B0851 GMC related to the Memory Seat Module Battery Out Of Range?

Some DIY enthusiasts with knowledge of automotive electrical systems may be able to repair this issue by replacing the memory seat module, recharging or replacing the battery, or fixing any wiring problems.

5. Is it safe to continue driving with OBDII code B0851 for GMC active?

While the vehicle may still be operable with the code active, it is recommended to address the issue promptly to avoid further complications and ensure the proper functioning of the memory seat system.

6. How much does it typically cost to repair OBDII code B0851 GMC at a dealership or repair shop?

The cost of repairing OBDII code B0851 for GMC can vary depending on the exact cause of the issue, but it may range from $200 to $500 for parts and labor at a dealership or repair shop.

7. Are there any preventive measures to avoid triggering OBDII code B0851 in GMC vehicles?

To prevent OBDII code B0851 from being triggered, it is advisable to regularly check the battery status of the memory seat module, avoid overloading the memory seat system, and address any electrical issues promptly.

8. Can a low vehicle battery cause OBDII code B0851 GMC to appear?

Yes, a low vehicle battery can potentially impact the memory seat module's battery power, leading to the triggering of OBDII code B0851 for GMC vehicles.

9. How long does it usually take to repair OBDII code B0851 GMC at a dealership or repair shop?

The repair time for OBDII code B0851 in GMC vehicles can vary depending on the extent of the issue and the availability of parts, but it typically takes around 1-2 hours for a skilled technician to diagnose and fix the problem.

10. Will resetting the memory seat settings resolve OBDII code B0851 GMC?

Resetting the memory seat settings may temporarily clear the code, but if the underlying issue, such as a faulty memory seat module or battery, is not addressed, the code is likely to reappear.