Climate Control DTCS
2015-2017
| DTC | Detection Item or Symptom | ECU | DTC Type |
|---|---|---|---|
| B1215 | An open or short in the recirculation control 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 evaporator temperature sensor circuit | Climate control unit | Signal error |
| B1232 | A short in the evaporator temperature sensor circuit | 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 | Climate control unit | Signal error |
| B1240 | A problem in the mode control motor circuit, linkage, door, or motor | Climate control unit | Signal error |
| B1241 | A problem in the blower motor circuit | Climate control unit | Signal error |
| 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 |
| B2983 | A problem in the recirculation control motor circuit, linkage, door, or motor | Climate control unit | Signal error |
| B2988 | A problem in the A/C compressor variable capacity control solenoid circuit | Climate control unit | Signal error |
| U1280 | Communication bus line error (BUS-OFF) | Climate control unit | Loss of communication |
| U1281 | Lost communication with MICU (climate control unit) | Climate control unit | Loss of communication |
| U128D | Lost communication with gauge control module (climate control unit) | Climate control unit | Loss of communication |
| U1290 - Refer to: DTC Troubleshooting: U1290 (D-B3) (With Auto Idle Stop System), or DTC Troubleshooting: U1290 (D-B3) (Without Auto Idle Stop System) | Lost communication with seat heater control unit (lost communication with ventilated seat control unit *1 or lost communication with front seat heater control unit *2) (climate control unit) | Climate control unit | Loss of communication |
*1: With ventilated seat
*2: Without ventilated seat
2018-2020
| DTC | Detection Item or Symptom | ECU | DTC Type |
|---|---|---|---|
| B1215 | An open or short in the recirculation control 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 evaporator temperature sensor circuit | Climate control unit | Signal error |
| B1232 | A short in the evaporator temperature sensor circuit | 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 | Climate control unit | Signal error |
| B123F | Automatic lighting control unit/sunlight sensor error | Climate control unit | Signal error |
| B1240 | A problem in the mode control motor circuit, linkage, door, or motor | Climate control unit | Signal error |
| B1241 | A problem in the blower motor circuit | Climate control unit | Signal error |
| 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 |
| B2983 | A problem in the recirculation control motor circuit, linkage, door, or motor | Climate control unit | Signal error |
| B2988 | A problem in the A/C compressor variable capacity control solenoid circuit | Climate control unit | Signal error |
| U0180 | Climate control unit lost communication with automatic lighting control unit-sensor | Climate control unit | Loss of communication |
| U1280 | Communication bus line error (BUS-OFF) | Climate control unit | Loss of communication |
| U1281 | Lost communication with MICU (climate control unit) | Climate control unit | Loss of communication |
| U128D | Lost communication with gauge control module (climate control unit) | Climate control unit | Loss of communication |
| U1290 - Refer to: DTC Troubleshooting: U1290 (D-B3) (With Auto Idle Stop System), or DTC Troubleshooting: U1290 (D-B3) (Without Auto Idle Stop System) | Lost communication with seat heater control unit (lost communication with ventilated seat control unit *1 or lost communication with front seat heater control unit *2) (climate control unit) | Climate control unit | Loss of communication |
*1: With ventilated seat
*2: Without ventilated seat