Automatic Air Conditioning DTCS
AUTOMATIC AIR CONDITIONING DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1001 | Heater air intake duct sensor system (short circuit) |
| B1002 | Heater air intake duct sensor system (open circuit) |
| B1011 | Ambient air temperature sensor system (short circuit) |
| B1012 | Ambient air temperature sensor system (open circuit) |
| B1021 | Air thermo sensor system (short circuit) |
| B1022 | Air thermo sensor system (open circuit) |
| B1041 | Air mixing damper control motor and potentiometer (potentiometer system shorted to its power supply) |
| B1042 | Air mixing damper control motor and potentiometer (potentiometer system shorted to its ground) |
| B1045 | Air mixing damper control motor and potentiometer (activating system failure) |
| B1061 | Mode selection damper control motor and potentiometer (potentiometer system shorted to its power supply) |
| B1062 | Mode selection damper control motor and potentiometer (potentiometer system shorted to its ground) |
| B1065 | Mode selection damper control motor and potentiometer (activating system failure) |
| U1073 | Bus off |
| U1100 | ECM <M/T> or PCM <A/T> time-out (related to engine) |
| U1120 | Failure information on ECM <M/T> or PCM <A/T> (related to engine) |