DTC Troubleshooting Index
DTC TROUBLESHOOTING INDEX (1 OF 2)
| DTC | Detection Item or Symptom | ECU | DTC type |
|---|---|---|---|
| DTC B1200: COMMUNICATION BUS LINE ERROR | Communication bus line error | Climate control unit | Loss of communication |
| B1202 | Climate control unit internal error | Climate control unit | Internal error |
| B1205 | Climate control unit lost communication with gauge control module (VSP/NE message) | Climate control unit | Loss of communication |
| B1206 | Climate control unit lost communication with gauge control module (ENGTEMP message) | Climate control unit | Loss of communication |
| B1207 | Climate control unit lost communication with gauge control module (ILLUMI message) | 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 | Climate control unit | Signal error |
| B1226 | A short in the in-car temperature sensor circuit | Climate control unit | Signal error |
| B1227 | An open in the outside air temperature sensor circuit | Climate control unit | Signal error |
| B1228 | A short in the outside air temperature sensor circuit | Climate control unit | Signal error |
| B1229 | An open in the sunlight sensor circuit | Climate control unit | Signal error |
| B1230 | A short in the sunlight sensor circuit | Climate control unit | Signal error |
| B1231 | An open in the evaporator temperature sensor circuit | Climate control unit | Signal error |
| B1232 | A short in the evaporator temperature sensor circuit | Climate control unit | Signal error |
DTC TROUBLESHOOTING INDEX (2 OF 2)
| DTC | Detection Item or Symptom | ECU | DTC type |
|---|---|---|---|
| B1233 | An open in the driver's air mix control motor circuit | Climate control unit | Signal error |
| B1234 | A short in the driver's air mix control motor circuit | Climate control unit | Signal error |
| B1235 | A problem in the driver's air mix control linkage, door, or motor | Climate control unit | Signal error |
| B1236 | An open in the passenger's air mix control motor circuit | Climate control unit | Signal error |
| B1237 | A short in the passenger's air mix control motor circuit | Climate control unit | Signal error |
| B1238 | A problem in the passenger's air mix control linkage, door, or motor | Climate control unit | Signal error |
| B1239 | An open or short in the mode control motor circuit | Climate control unit | Signal error |
| B1240 | A problem in the mode control linkage, doors, or motor | Climate control unit | Signal error |
| B1241 | A problem in the blower motor circuit | 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 |