AutoCodes – Chevrolet – B0856 Chevrolet

B0856 Chevrolet Code - Memory Seat Module 5 Volt Reference 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: B0856 Chevrolet indicates Memory Seat Module 5 Volt Reference 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 1,891

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 B0856 Chevrolet 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 B0856 Chevrolet - Memory Seat Module 5 Volt Reference Out of Range - AutoCodes.com — B0856 Chevrolet Code - Memory Seat Module 5 Volt Reference Out of Range

What does this mean?

What are the Possible Causes of the DTC B0856 Chevrolet?

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

How to Fix the DTC B0856 Chevrolet?

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 B0856 Chevrolet 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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Need more information on how to fix the B0856 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0856 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 B0856 Chevrolet Code

1. What are the common symptoms of OBDII code B0856 in a Chevrolet related to the Memory Seat Module 5 Volt Reference Out of Range?

- Common symptoms include disabled memory seat function, erratic seat movements, and possible issues with other electronic components in the vehicle.

2. What are the possible causes of the Memory Seat Module 5 Volt Reference Out of Range code (B0856) in a Chevrolet?

- The code B0856 can be triggered by a faulty memory seat module, damaged wiring or connectors, a malfunctioning power supply, or issues with the control module.

3. How can I diagnose the Memory Seat Module 5 Volt Reference Out of Range code (B0856) in my Chevrolet?

- Diagnosis typically involves using a diagnostic scanner to read the code, checking the wiring and connectors for damage, testing the power supply, and inspecting the memory seat module for any issues.

4. What are some repair tips for addressing the OBDII code B0856 related to the Memory Seat Module in a Chevrolet?

- Repair tips may include checking and repairing any damaged wiring or connectors, replacing the memory seat module if necessary, ensuring the power supply is functioning correctly, and clearing the code with a diagnostic tool after repairs.

5. Can the Memory Seat Module 5 Volt Reference Out of Range code (B0856) affect the overall performance of my Chevrolet?

- While the code may not directly impact the driving performance of the vehicle, it can affect the functionality of the memory seat system and potentially indicate underlying electrical issues that need attention.

6. Is it safe to continue driving my Chevrolet with the OBDII code B0856 related to the Memory Seat Module issue?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent further electrical problems or malfunctions in the memory seat system.

7. How much does it typically cost to repair the Memory Seat Module 5 Volt Reference Out of Range code (B0856) in a Chevrolet?

- Repair costs can vary depending on the specific cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can I reset the B0856 code related to the Memory Seat Module on my Chevrolet without professional help?

- While it is possible to clear the code using a diagnostic scanner, it is recommended to diagnose and repair the underlying issue causing the code to prevent it from reoccurring.

9. Are there any preventive measures I can take to avoid the OBDII code B0856 in my Chevrolet?

- Regularly inspecting the memory seat system, checking for any signs of wiring damage, and addressing any electrical issues promptly can help prevent the occurrence of the B0856 code.

10. Will fixing the Memory Seat Module 5 Volt Reference Out of Range code (B0856) affect the overall resale value of my Chevrolet?

- Maintaining and repairing electrical issues like the B0856 code can help preserve the overall condition and value of your Chevrolet when it comes to resale or trade-in.