B0856 - Memory Seat Module 5 Volt Reference Out of Range

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

B0856 Possible Causes

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

First diagnose B0856 code

    Check 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 terminals.

Cost of diagnosing the B0856 code

    Labor: 1.0

    The cost of diagnosing the B0856 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B0856 Possible Symptoms

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

B0856 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.
OBDII Code B0856 - Memory Seat Module 5 Volt Reference Out of Range - Engine-Codes.com

B0856 More Information

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B0856 Information for specific makes

  • B0856 BUICK Memory Seat Module 5 Volt Reference Out of Range
  • B0856 CADILLAC Memory Seat Module 5 Volt Reference Out of Range
  • B0856 CHEVROLET Memory Seat Module 5 Volt Reference Out of Range
  • B0856 GMC Memory Seat Module 5 Volt Reference Out of Range

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