DTC Troubleshooting Index
Checking the DTCs by HDS
DTC TROUBLESHOOTING CHART
| DTC | Detection Item or Symptom | ECU | DTC type |
|---|---|---|---|
| B1200 | Communication bus line error | Front climate control unit | Loss of communication |
| B1202 | Front climate control unit internal error | Front climate control unit | Internal error |
| B1205 | Front climate control unit lost communication with gauge control module (VSP/NE message) | Front climate control unit | Loss of communication |
| B1206 | Front climate control unit lost communication with gauge control module (ENGTEMP message) | Front climate control unit | Loss of communication |
| B1207 | Front climate control unit lost communication with gauge control module (ILLUMI message) | Front climate control unit | Loss of communication |
| B1221 | An open in the rear mode control motor circuit | Rear climate control unit | Signal error |
| B1222 | A short in the rear mode control motor circuit | Rear climate control unit | Signal error |
| B1223 | A problem in the rear blower motor circuit | Rear climate control unit | Signal error |
| B1224 | A short in the rear in-car temperature sensor circuit (with rear climate control) | Rear climate control unit | Signal error |
| B1225 | An open in the in-car temperature sensor circuit | Front climate control unit | Signal error |
| B1226 | A short in the in-car temperature sensor circuit | Front climate control unit | Signal error |
| B1227 | An open in the outside air temperature sensor circuit | Front climate control unit | Signal error |
| B1228 | A short in the outside air temperature sensor circuit | Front climate control unit | Signal error |
| B1229 | An open in the sunlight sensor circuit | Front climate control unit | Signal error |
| B1230 | A short in the sunlight sensor circuit | Front climate control unit | Signal error |
| B1231 | An open in the evaporator temperature sensor circuit | Front climate control unit | Signal error |
| B1232 | A short in the evaporator temperature sensor circuit | Front climate control unit | Signal error |
| B1233 | An open in the driver's air mix control motor circuit | Front climate control unit | Signal error |
| B1234 | A short in the driver's air mix control motor circuit | Front climate control unit | Signal error |
| B1235 | A problem in the driver's air mix control linkage, door, or motor. | Front climate control unit | Signal error |
| B1236 | An open in the passenger's air mix control motor circuit | Front climate control unit | Signal error |
| B1237 | A short in the passenger's air mix control motor circuit | Front climate control unit | Signal error |
| B1238 | A problem in the passenger's air mix control linkage, door, or motor | Front climate control unit | Signal error |
| B1239 | An open or short in the front mode control motor circuit | Front climate control unit | Signal error |
| B1240 | A problem in the front mode control linkage, doors, or motor | Front climate control unit | Signal error |
| B1241 | A problem in the blower motor circuit | Front climate control unit | Signal error |
| B1244 | An open in the rear air mix control motor circuit | Rear climate control unit | Signal error |
| B1245 | A short in the rear air mix control motor circuit | Rear climate control unit | Signal error |
| B1246 | A problem in the rear air mix control linkage, door, or motor | Rear climate control unit | Signal error |
| B1248 | A problem in the rear mode control linkage, doors, or motor | Rear climate control unit | Signal error |
| B1249 | An open in the rear in-car temperature sensor circuit (with rear climate control) | Rear climate control unit | Signal error |