Passenger Heated Seat Switch Open/Shorted to Ground

Test 1 - 2:

Test 3 - 7:

SYMPTOM
PASSENGER HEATED SEAT SWITCH STUCK IN HIGH STATE
PASSENGER 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 PASSENGER HEATED SEAT SWITCH STUCK IN HIGH STATE.

PASSENGER 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.

PASSENGER 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
- Fused ignition switch output st-run open
- Passenger seat heater switch MUX circuit open
- Erase and read MHSMM DTC
- Passenger heated seat switch
- Passenger seat heater switch MUX circuit shorted to ground
- Memory heated seat mirror module