B0856 GMC Possible Causes
- Faulty Memory Seat Module
- Memory Seat Module harness is open or shorted
- Memory Seat Module circuit poor electrical connection
First diagnose B0856 GMC 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 GMC code
Labor: 1.0The cost of diagnosing the B0856 GMC 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 GMC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B0856 GMC MeaningThe 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.
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