B0856 CHEVROLET – Memory Seat Module 5 Volt Reference Out of Range

B0856 CHEVROLET Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B0856 CHEVROLET Possible Causes

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

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.