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B0851 GMC Code - Memory Seat Module Battery Out Of Range

Quick Answer

The B0851 GMC code indicates that there is an issue with the Memory Seat Module's battery being out of range. Common causes include Faulty Memory Seat Module, Weak or failing battery, Poor electrical connections. 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, Weak or failing battery, Poor electrical connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B0851 GMC Description

The B0851 GMC code indicates that there is an issue with the Memory Seat Module's battery being out of range. The Memory Seat Module is responsible for storing and recalling the driver's preferred seat position settings. When this code is triggered, it means that the module is not receiving the correct voltage from the battery, which can lead to malfunctions in the seat adjustment system.

OBDII Code B0851 GMC - Memory Seat Module Battery Out Of Range
B0851 GMC Code - Memory Seat Module Battery Out Of Range

Common Causes of B0851 GMC

  1. Faulty Memory Seat Module.
  2. Weak or failing battery.
  3. Poor electrical connections.
  4. Issues with the vehicle's charging system.
  5. Corrosion or damage to wiring harnesses.

Symptoms of B0851 GMC

  1. Inability to save or recall seat position settings.
  2. Seat moving to incorrect positions on its own.
  3. Erratic behavior of the seat adjustment controls.
  4. Battery draining faster than usual.

How to Fix B0851 GMC

  1. Begin by checking the battery voltage to ensure it is within the manufacturer's specified range.
  2. Inspect the electrical connections to the Memory Seat Module for any signs of corrosion or damage.
  3. Test the Memory Seat Module for proper functionality and replace if necessary.
  4. Check the vehicle's charging system to ensure it is providing the correct voltage to the Memory Seat Module.
  5. Clear the diagnostic trouble codes and test the memory seat system to verify that the issue has been resolved.

Cost to Fix B0851 GMC

The typical repair costs for addressing a B0851 GMC code can vary depending on the specific cause of the issue. In general, replacing a faulty Memory Seat Module can cost between $200 and $500, while addressing a weak or failing battery may range from $100 to $200. Labor costs can add an additional $80 to $150 per hour, with the total repair bill potentially amounting to $300 to $800 or more. It is advisable to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle.

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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.

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