AutoCodes – Buick – B0851 Buick

B0851 Buick 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 Buick 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 769

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

What does this mean?

What are the Possible Causes of the DTC B0851 Buick?

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 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 B0851 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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Get the B0851 Buick 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 Buick Code

1. What are the common symptoms of OBDII code B0851 Buick (Memory Seat Module Battery Out Of Range)?

The common symptoms include malfunctioning memory seat functions, such as seat position not being retained or erratic seat adjustments.

2. What can cause the OBDII code B0851 Buick to trigger?

The code B0851 is triggered when the memory seat module detects that the battery voltage is out of the acceptable range, indicating a potential issue with the power supply.

3. How can I diagnose the OBDII code B0851 Buick?

Diagnosing the code may involve checking the battery voltage, inspecting the wiring connections to the memory seat module, and performing a scan with an OBDII scanner to retrieve specific fault codes.

4. What are some repair tips for fixing the OBDII code B0851 Buick?

Repair tips may include checking and replacing the memory seat module battery, ensuring proper battery connection, inspecting for any loose or damaged wiring, and resetting the memory seat module after making necessary repairs.

5. Can I drive my Buick with the OBDII code B0851 present?

While it may be possible to drive the vehicle with the code present, it is recommended to address the issue promptly to avoid potential malfunctions with the memory seat functions.

6. How much does it typically cost to repair the OBDII code B0851 Buick?

The cost of repairing the code B0851 can vary depending on the underlying cause of the issue, the need for replacement parts, and labor costs. It is advisable to consult a professional mechanic for an accurate estimate.

7. Is the OBDII code B0851 Buick a serious problem?

While the code B0851 may not directly affect the drivability of the vehicle, it is essential to address the issue to ensure proper functioning of the memory seat module and avoid potential electrical problems in the future.

8. Can I reset the OBDII code B0851 Buick on my own?

Resetting the code may be possible by using an OBDII scanner to clear the fault codes after making necessary repairs. However, it is crucial to address the underlying issue first to prevent the code from reoccurring.

9. How long does it take to repair the OBDII code B0851 Buick?

The repair time for the code B0851 can vary depending on the complexity of the issue and the extent of repairs needed. Some cases may be resolved quickly, while others may require more time for diagnosis and repair.

10. Will the OBDII code B0851 Buick cause any other problems in my vehicle?

While the code B0851 itself may not cause additional problems, unresolved issues with the memory seat module or electrical system could potentially lead to further malfunctions or complications in the vehicle.