DTC Troubleshooting Index
Checking the DTCs by HDS
DTC TROUBLESHOOTING INDEX
| DTC | Detection Item or Symptom | ECU | DTC type |
|---|---|---|---|
| B1200 | Communication bus line error | HVAC control unit | Loss of communication |
| B1202 | HVAC control unit internal error | HVAC control unit | Internal error |
| B1205 | HVAC control unit lost communication with gauge control module (VSP/NE message) | HVAC control unit | Loss of communication |
| B1206 | HVAC control unit lost communication with gauge control module (ECT message) | HVAC control unit | Loss of communication |
| B1207 | HVAC control unit lost communication with gauge control module (ILLUMI message) | HVAC control unit | Loss of communication |
| B1227 | An open in the outside air temperature sensor circuit | HVAC control unit | Signal error |
| B1228 | A short in the outside air temperature sensor circuit | HVAC control unit | Signal error |
| B1231 | An open in the evaporator temperature sensor circuit | HVAC control unit | Signal error |
| B1232 | A short in the evaporator temperature sensor circuit | HVAC control unit | Signal error |
| B1233 | An open in the air mix control motor circuit | HVAC control unit | Signal error |
| B1234 | A short in the air mix control motor circuit | HVAC control unit | Signal error |
| B1235 | A problem in the air mix control linkage, door, or motor | HVAC control unit | Signal error |
| B1239 | An open or short in the mode control motor circuit | HVAC control unit | Signal error |
| B1240 | A problem in the mode control linkage, doors, or motor | HVAC control unit | Signal error |
| B1241 | A problem in the blower motor circuit | HVAC control unit | Signal error |