DTC B115B-15: Front Driver Seat Heater - Circuit short to battery or open: Action

Refer to the applicable system wiring diagram(s) and check the front driver seat heater supply circuit for short circuit to power, open circuit, high resistance. Repair wiring harness as required, clear the DTC and retest the system
If no wiring faults are present, check and install new seat cushion/backrest heater as required. Clear DTC and retest