DTC Troubleshooting Index
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.
Checking the DTCs with the HDS
DTC TROUBLESHOOTING CHART
| DTC | Detection Item or Symptom | ECU | DTC Type |
|---|---|---|---|
| U1280 | Communication bus line error (BUS-OFF) | HVAC control unit | Loss of communication |
| U128D | Lost communication with gauge control module (HVAC control unit) | HVAC control unit | Loss of communication |
| B1215 | An open or short in the recirculation control motor circuit | HVAC control unit | Signal error |
| B1231 | An open in the evaporator temperature sensor circuit | HVAC control unit | Signal error |
| B1232 | A short in the evaporator temperature sensor circuit | HVAC control unit | Signal error |
| B1233 | An open in the air mix control motor circuit (front) | HVAC control unit | Signal error |
| B1234 | A short in the air mix control motor circuit (front) | HVAC control unit | Signal error |
| B1235 | A problem in the air mix control motor circuit, linkage, door, or motor (front) | HVAC control unit | Signal error |
| B1239 | An open or short in the mode control motor circuit (front) | HVAC control unit | Signal error |
| B1240 | A problem in the mode control motor circuit, linkage, door, or motor (front) | HVAC control unit | Signal error |
| B1241 | A problem in the blower motor circuit (front) | HVAC control unit | Signal error |
| B2965 | Rear communication failure | HVAC control unit | Loss of communication |
| B2979 | An open in the A/C pressure sensor circuit | HVAC control unit | Signal error |
| B2980 | A short in the A/C pressure sensor circuit | HVAC control unit | Signal error |
| B2983 | A problem in the recirculation control motor circuit, linkage, door, or motor | HVAC control unit | Signal error |