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Symptom: DRIVER HEATED SEAT SWITCH SHORT - DDM When Monitored and Set Condition: DRIVER HEATED SEAT SWITCH SHORT - DDM When Monitored: Continuously. Set Condition: If the MUX circuit is under 0.10 volt for over 10 seconds, this code will set. POSSIBLE CAUSES DTC PRESENT POWER SEAT SWITCH DRIVER HEATED SEAT SWITCH MUX SHORT TO GROUND DRIVER DOOR MODULE TEST ACTION APPLICABILITY 1 Turn the ignition on. t, erase DTCs. Cycle the ignition switch from Off to Run. t, read DTCs. Does the DRBIII t display DRIVER HEATED SEAT SWITCH SHORT? All Yes → Go To 2 No → The condition that caused this code to set is not present at this time. 2 Disconnect the Driver Power Seat Switch connector. t, erase DTCs. Cycle the ignition switch from Off to Run and wait 10 seconds. t, read DTCs. Does the DRBIII t display DRIVER HEATED SEAT SWITCH SHORT? All Yes → Go To 3 No → Replace the Power Seat Switch. Perform BODY VERIFICATION TEST - VER 1. 429 ELECTRICALLY HEATED SYSTEMS |