DTC B1C70

DTC B1C70  : Driver's Main Heater Switch Failure

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

DTC (Front Seat Heater Control Unit)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   -2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

   -3. Turn the seat heater switch ON.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   B1C70 Driver's main heater switch failure

   Is DTC B1C70 indicated?

   YES 

   Replace the front seat heater control unit .

   NO 

   Intermittent failure, the system is OK at this time. Check for loose or poor connections.