Driver Heated Seat Switch Stuck In High State

Test 1:

Test 2 - 3:

SYMPTOM
DRIVER HEATED SEAT SWITCH STUCK IN HIGH STATE
DRIVER HEATED SEAT SWITCH STUCK IN LOW STATE

TEST NOTE
All symptoms listed above are diagnosed using the same tests. The title for the tests will be DRiVER HEATED SEAT SWITCH STUCK IN HIGH STATE.


DRIVER HEATED SEAT SWITCH STUCK IN HIGH STATE

WHEN MONITORED: Ignition on.

SET CONDITION: If the switch is stuck active for 30 seconds this code will set and the MHSMM will ignore the input until it's state has changed. The code will remain in the module memory for 20 key cycles.

DRIVER HEATED SEAT SWITCH STUCK IN LOW STATE

WHEN MONITORED: Ignition on.

SET CONDITION: If the switch is stuck active for 30 seconds this code will set and the MHSMM will ignore the input until it's state has changed. The code will remain in the module memory for 20 key cycles.

POSSIBLE CAUSES
- Driver heated seat switch
- Driver seat heater switch MUX circuit shorted to voltage
- Memory heated seat mirror module