Checking the DTCs with the HDS
DTC TROUBLESHOOTING CHART
| DTC | Detection Item or Symptom | ECU | DTC type | Page |
|---|---|---|---|---|
| B1200 | Communication bus line error (BUS-OFF) | Climate control unit | Loss of communication | DTC Troubleshooting (see DTC B1200: COMMUNICATION BUS LINE ERROR (BUS-OFF) ) |
| B1205 | Climate control unit lost communication with gauge control module (VSP/NE message) | Climate control unit | Loss of communication | DTC Troubleshooting |
| B1206 | Climate control unit lost communication with gauge control module (coolant temp message) | Climate control unit | Loss of communication | DTC Troubleshooting |
| B1207 | Climate control unit lost communication with gauge control module (illumination message) | Climate control unit | Loss of communication | DTC Troubleshooting |
| B1225 | An open in the in-car temperature sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1226 | A short in the in-car temperature sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1227 | An open in the outside air temperature sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1228 | A short in the outside air temperature sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1229 | An open in the sunlight sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1230 | A short in the sunlight sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1231 | An open in the evaporator temperature sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1232 | A short in the evaporator temperature sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1233 | An open in the air mix control motor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1234 | A short in the air mix control motor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1235 | A problem in the air mix control motor circuit, linkage, door, or motor | Climate control unit | Signal error | DTC Troubleshooting |
| B1239 | An open or short in the mode control motor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B1240 | A problem in the mode control motor circuit, linkage, door, or motor | Climate control unit | Signal error | DTC Troubleshooting |
| B1241 | A problem in the blower motor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B2967 | An open in the humidity sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B2968 | A short in the humidity sensor circuit | Climate control unit | Signal error | DTC Troubleshooting |
| B2969 | Climate control unit lost communication with MICU (WIPSW message) | Climate control unit | Loss of communication | DTC Troubleshooting |