Engine-Codes - Gmc - B0856 GMC

B0856 GMC Code - Memory Seat Module 5 Volt Reference Out of Range

Repair Importance Level: 1/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

|B0856 GMC code possible causes

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

|How is the B0856 GMC code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the B0856 GMC code

Labor: 1.0

The cost to diagnose the B0856 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B0856 GMC code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What is B0856 GMC code meaning?

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.

|Need more information with the B0856 GMC code?

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|Need help with a B0856 GMC code?

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