Engine-Codes.com
Engine-Codes – Chevrolet – B0851 Chevrolet

B0851 Chevrolet Code - Memory Seat Module Battery Out Of Range

Quick Answer

The B0851 Chevrolet diagnostic trouble code (DTC) indicates that the Memory Seat Module (MSM) in the vehicle is detecting a battery voltage that is outside of the acceptable range. Common causes include Low or high battery voltage, Faulty wiring or connectors, Malfunctioning memory seat module. 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 Chevrolet indicates Memory Seat Module Battery Out Of Range.
Common causes
Common causes include Low or high battery voltage, Faulty wiring or connectors, Malfunctioning memory seat module.
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 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B0851 Chevrolet Description

The B0851 Chevrolet diagnostic trouble code (DTC) indicates that the Memory Seat Module (MSM) in the vehicle is detecting a battery voltage that is outside of the acceptable range. The MSM is responsible for controlling various functions related to the vehicle's memory seats, such as adjusting seat positions, mirror positions, and other related settings. When the battery voltage is out of range, it can lead to malfunctions in the MSM, causing the memory seat functions to not work properly.

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

Common Causes of B0851 Chevrolet

  1. Low or high battery voltage.
  2. Faulty wiring or connectors.
  3. Malfunctioning memory seat module.
  4. Corrosion in electrical connections.
  5. Poor battery connection.

Symptoms of B0851 Chevrolet

  1. Inability to adjust seat positions or mirror positions using the memory function.
  2. Erratic seat or mirror movement when using the memory function.
  3. Intermittent functioning of the memory seat module.
  4. Warning light on the dashboard indicating an issue with the memory seat module.

How to Fix B0851 Chevrolet

  1. Begin by checking the vehicle's battery voltage to ensure it is within the acceptable range.
  2. Inspect the wiring and connectors related to the memory seat module for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the memory seat module to determine if it is functioning correctly. If not, replace the module.
  4. Clear the diagnostic trouble codes from the vehicle's system using a diagnostic scan tool.
  5. Test the memory seat functions to verify that the issue has been resolved.

Cost to Fix B0851 Chevrolet

The cost of repairing a B0851 Chevrolet code can vary depending on the specific cause of the issue. In general, replacing a memory seat module can cost anywhere from $200 to $500, including parts and labor. If the issue is related to faulty wiring or connectors, the cost may be lower, ranging from $100 to $300. It's important to note that these are rough estimates, and actual repair costs may vary based on the vehicle's make and model, labor rates at the repair shop, and any additional parts or services required. It's recommended to consult with a professional mechanic for a more accurate cost estimate.

Need more information about the B0851 Chevrolet code?

Need more information on how to fix the B0851 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0851 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 Chevrolet Code

1. What are the common symptoms of OBDII code B0851 in a Chevrolet related to the Memory Seat Module Battery Out Of Range issue?

The common symptoms include malfunctioning memory seat settings, inability to adjust seat positions electronically, and warning lights on the dashboard.

2. What causes the OBDII code B0851 in a Chevrolet to trigger the Memory Seat Module Battery Out Of Range error?

The code is typically triggered when the vehicle's memory seat module detects that the battery voltage is outside of the expected range, indicating a potential issue with the power supply.

3. How can I diagnose the Memory Seat Module Battery Out Of Range problem in my Chevrolet when OBDII code B0851 is present?

You can start by checking the battery voltage of the vehicle to ensure it is within the normal operating range. If the voltage is fine, the issue may lie with the memory seat module itself or its connections.

4. Is it safe to continue driving my Chevrolet with the OBDII code B0851 indicating a Memory Seat Module Battery Out Of Range problem?

While the vehicle may still be operable, it is recommended to address the issue promptly to prevent further damage or inconvenience caused by malfunctioning memory seat controls.

5. Can I reset the OBDII code B0851 in my Chevrolet related to the Memory Seat Module Battery Out Of Range error without fixing the underlying issue?

Resetting the code without addressing the root cause will likely result in the error code reappearing once the issue persists. It is best to identify and resolve the problem causing the code to ensure proper functionality.

6. Are there any DIY repair tips for fixing the Memory Seat Module Battery Out Of Range issue in a Chevrolet triggering OBDII code B0851?

DIY repair tips may include checking and cleaning the battery terminals, inspecting the seat module connections for any loose wires, and ensuring the battery voltage is stable within the acceptable range.

7. How much does it typically cost to repair the OBDII code B0851 in a Chevrolet related to the Memory Seat Module Battery Out Of Range issue?

The repair costs can vary depending on the exact cause of the problem, but they may range from a simple battery replacement to a more complex module repair or replacement, potentially costing a few hundred dollars.

8. Can extreme weather conditions affect the occurrence of the Memory Seat Module Battery Out Of Range issue triggering OBDII code B0851 in a Chevrolet?

Yes, extreme temperatures or weather conditions can sometimes impact the battery voltage, potentially leading to the triggering of the code. It is essential to consider environmental factors when diagnosing the problem.

9. Will fixing the OBDII code B0851 related to the Memory Seat Module Battery Out Of Range problem in my Chevrolet require professional assistance?

While some simple fixes like cleaning connections or replacing the battery can be done DIY, more complex issues with the memory seat module may require professional diagnosis and repair to ensure proper functionality.

10. How can regular maintenance help prevent the occurrence of the Memory Seat Module Battery Out Of Range issue and OBDII code B0851 in a Chevrolet?

Regularly checking the battery health, cleaning connections, and addressing any electrical issues promptly can help prevent the triggering of the code and ensure the proper functioning of the memory seat module in your Chevrolet.

Discuss the causes and fixes for B0851 Chevrolet OBDII Code

Submit a New Comment

Code B0851 Chevrolet comments

No comments found for this page.