DTC Troubleshooting Index
Checking the DTCs by HDS
DTC TROUBLESHOOTING CHART
| DTC | Detection Item or Symptom | ECU | DTC type |
|---|---|---|---|
| B1200 | Communication bus line error (bus-off) | 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 (ECT 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 |
| B1213 | An open in the rear evaporator temperature sensor circuit | Climate control unit | Signal error |
| B1214 | A short in the rear evaporator temperature sensor circuit | Climate control unit | Signal error |
| B1215 | An open or short in the recirculation control motor circuit | Climate control unit | Signal error |
| B1223 | A problem in the rear blower motor circuit | 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 front evaporator temperature sensor circuit | Climate control unit | Signal error |
| B1232 | A short in the front evaporator temperature sensor circuit | Climate control unit | Signal error |
| 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 circuit | 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 circuit | Climate control unit | Signal error |
| B1239 | An open or short in the front mode control motor circuit | Climate control unit | Signal error |
| B1240 | A problem in the front mode control linkage, doors, or motor circuit | Climate control unit | Signal error |
| B1241 | A problem in the front blower motor circuit | Climate control unit | Signal error |
| B1244 | An open in the rear air mix control motor circuit | Climate control unit | Signal error |
| B1245 | A short in the rear air mix control motor circuit | Climate control unit | Signal error |
| B1246 | A problem in the rear air mix control linkage, door, or motor circuit | Climate control unit | Signal error |
| B2965 | Climate control unit lost communication with rear climate control panel | Climate control unit | Loss of communication |
| B2967 | An open in the humidity sensor circuit | Climate control unit | Signal error |
| B2968 | A short in the humidity sensor circuit | Climate control unit | Signal error |
| B2969 | Climate control unit lost communication with combination switch control unit (WIPSW message) | Climate control unit | Loss of communication |
| B2970 | Climate control unit lost communication with relay control module (RM message) | Climate control unit | Loss of communication |
| B2979 | An open in the A/C pressure sensor circuit | Climate control unit | Signal error |
| B2980 | A short in the A/C pressure sensor circuit | Climate control unit | Signal error |
| B2981 | Climate control unit lost communication with navigation unit | Climate control unit | Loss of communication |
| B2983 | A problem in the recirculation control linkage, door, or motor circuit | Climate control unit | Signal error |
| B2991 | Climate control unit lost communication with audio unit | Climate control unit | Loss of communication |