DTC B0856: Dirty Battery Failure: Description

Memory Seat Module (MSM) is supplied battery voltage from SEATS circuit breaker (30-amp) in left maxi-fuse block using circuit No. 742 (Red wire). This battery voltage is used to operate seat motors. DTC B0856 will set when battery voltage falls out of range of 9-15.5 volts. DTC B0856 will clear when dirty battery voltage is within a valid operating range during the last monitoring cycle.