Climate Control System DTC Troubleshooting: I-B8, C0

DTC screen I-B8 or DTC indicator C0  : Climate control unit internal error

1. Problem verification

   -1. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

   -2. Do the Self-Diagnostic Function with the climate control unit .

   -3. Check for DTCs.

   Is Error on the DTC screen I-B8 (climate control panel without display) or C0 (climate control panel with display) indicated?

   YES 

   Replace the climate control unit .

   NO 

   Intermittent failure, the climate control unit is OK at this time.