DTC Troubleshooting Index
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
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 |