DTC Troubleshooting Index
DTC TROUBLESHOOTING INDEX
| DTC | Detection Item or Symptom | ECU | DTC type |
|---|---|---|---|
| DTC B1200: COMMUNICATION BUS LINE ERROR | Communication bus line error | A/C control panel | Loss of communication |
| B1202 | A/C control panel internal error | A/C control panel | Internal error |
| B1205 | A/C control panel lost communication with gauge control module (VSP/NE message) | A/C control panel | Loss of communication |
| B1206 | A/C control panel lost communication with gauge control module (ENGTEMP message) | A/C control panel | Loss of communication |
| B1207 | A/C control panel lost communication with gauge control module (ILLUMI message) | A/C control panel | Loss of communication |
| B1221 | An open in the rear mode control motor circuit | A/C control panel | Signal error |
| B1223 | A problem in the rear blower motor circuit | A/C control panel | Signal error |
| B1231 | An open in the evaporator temperature sensor circuit | A/C control panel | Signal error |
| B1232 | A short in the evaporator temperature sensor circuit | A/C control panel | Signal error |
| B1233 | An open in the air mix control motor circuit | A/C control panel | Signal error |
| B1234 | A short in the air mix control motor circuit | A/C control panel | Signal error |
| B1235 | A problem in the air mix control linkage, door, or motor | A/C control panel | Signal error |
| B1239 | An open or short in the mode control motor circuit | A/C control panel | Signal error |
| B1240 | A problem in the mode control linkage, doors, or motor | A/C control panel | Signal error |
| B1241 | A problem in the blower motor circuit | A/C control panel | Signal error |
| B1244 | An open in the rear air mix control motor circuit | A/C control panel | Signal error |
| B1245 | A short in the rear air mix control motor circuit | A/C control panel | Signal error |
| B1246 | A problem in the rear air mix control linkage, door, or motor | A/C control panel | Signal error |
| B1247 | An open or short in the rear mode control motor circuit | A/C control panel | Signal error |
| B1248 | A problem in the rear mode control linkage, doors, or motor | A/C control panel | Signal error |