Checking the DTCs with the HDS
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Honda Odyssey, 2016 Honda Odyssey, 2015 Honda Odyssey, 2014 Honda Odyssey, and 2013 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLESHOOTING INDEX
| DTC | Detection Item or Symptom | ECU | DTC Type |
|---|---|---|---|
| U1280 | Communication bus line error (BUS-OFF) | Climate control unit | Loss of communication |
| U1281 | Climate control unit lost communication with MICU (WIPSW message) | Climate control unit | Loss of communication |
| U128D | Lost communication with gauge control module (climate control unit) | Climate control unit | Loss of communication |
| U1290 | Climate control unit lost communication with seat heater control unit | Climate control unit | Loss of communication |
| B1215 | An open or short in the recirculation control motor circuit | Climate control unit | Signal error |
| B121D | Hum-Temp sensor communication error (An open or short in the humidity sensor circuit) | Climate control unit | Loss of communication |
| 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 (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 air mix control motor circuit (driver's) | Climate control unit | Signal error |
| B1234 | A short in the air mix control motor circuit (driver's) | Climate control unit | Signal error |
| B1235 | A problem in the air mix control motor circuit, linkage, door, or motor (driver's) | 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 motor circuit, linkage, door, or motor | Climate control unit | Signal error |
| B1239 | An open or short in the mode control motor circuit (front) | Climate control unit | Signal error |
| B1240 | A problem in the mode control motor circuit, linkage, door, or motor (front) | Climate control unit | Signal error |
| B1241 | A problem in the blower motor circuit (front) | Climate control unit | Signal error |
| B2965 | Rear communication failure | 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 MICU (WIPSW 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 |
| B2983 | A problem in the recirculation control motor circuit, linkage, door, or motor | Climate control unit | Signal error |