DTC Troubleshooting Index
Checking the DTCs with the HDS
DTC TROUBLESHOOTING INDEX
| DTC | Detection Item or Symptom | ECU | DTC type | Refer To |
|---|---|---|---|---|
| U1280 | Communication bus line error (bus-off) | Climate control unit | Loss of communication | (see DTC U0199: DRIVER'S MICU LOST COMMUNICATION WITH DOOR MULTIPLEX CONTROL UNIT ) |
| U0155 | Climate control unit lost communication with gauge control module | Climate control unit | Loss of communication | (see DTC TROUBLESHOOTING ) |
| B1215 | An open or short in the recirculation control motor circuit | Climate control unit | Signal error | (see DTC B1215 OR DTC INDICATOR J AND MODE: AN OPEN OR SHORT IN THE RECIRCULATION CONTROL MOTOR CIRCUIT ) |
| B1225 | An open in the in-car temperature sensor circuit | Climate control unit | Signal error | (see DTC B1225 OR DTC INDICATOR A AND AUTO: AN OPEN IN THE IN-CAR TEMPERATURE SENSOR CIRCUIT ) |
| B1226 | A short in the in-car temperature sensor circuit | Climate control unit | Signal error | (see DTC B1226 OR DTC INDICATOR B AND AUTO: A SHORT IN THE IN-CAR TEMPERATURE SENSOR CIRCUIT ) |
| B1227 | An open in the outside air temperature sensor circuit | Climate control unit | Signal error | (see DTC B1227 OR DTC INDICATOR C AND AUTO: AN OPEN IN THE OUTSIDE AIR TEMPERATURE SENSOR CIRCUIT ) |
| B1228 | A short in the outside air temperature sensor circuit | Climate control unit | Signal error | (see DTC B1228 OR DTC INDICATOR D AND AUTO: A SHORT IN THE OUTSIDE AIR TEMPERATURE SENSOR CIRCUIT ) |
| B1229 | An open in the sunlight sensor circuit | Climate control unit | Signal error | (see DTC B1229 OR DTC INDICATOR E AND AUTO: AN OPEN IN THE SUNLIGHT SENSOR CIRCUIT ) |
| B1230 | A short in the sunlight sensor circuit | Climate control unit | Signal error | (see DTC B1230 OR DTC INDICATOR F AND AUTO: A SHORT IN THE SUNLIGHT SENSOR CIRCUIT ) |
| B1231 | An open in the evaporator temperature sensor circuit | Climate control unit | Signal error | (see DTC B1231 OR DTC INDICATOR G AND AUTO: AN OPEN IN THE EVAPORATOR TEMPERATURE SENSOR CIRCUIT ) |
| B1232 | A short in the evaporator temperature sensor circuit | Climate control unit | Signal error | (see DTC B1232 OR DTC INDICATOR H AND AUTO: A SHORT IN THE EVAPORATOR TEMPERATURE SENSOR CIRCUIT ) |
| B1233 | An open in the driver's air mix control motor circuit | Climate control unit | Signal error | (see DTC B1233 OR DTC INDICATOR J AND AUTO: AN OPEN IN THE DRIVER'S AIR MIX CONTROL MOTOR CIRCUIT ) |
| B1234 | A short in the driver's air mix control motor circuit | Climate control unit | Signal error | (see DTC B1234 OR DTC INDICATOR K AND AUTO: A SHORT IN THE DRIVER'S AIR MIX CONTROL MOTOR CIRCUIT ) |
| B1235 | A problem in the driver's air mix control linkage, door, or motor circuit | Climate control unit | Signal error | (see DTC B1235 OR DTC INDICATOR L AND AUTO: A PROBLEM IN THE DRIVER'S AIR MIX CONTROL LINKAGE, DOOR, OR MOTOR CIRCUIT ) |
| B1236 | An open in the passenger's air mix control motor circuit | Climate control unit | Signal error | (see DTC B1236 OR DTC INDICATOR M AND AUTO: AN OPEN IN THE PASSENGER'S AIR MIX CONTROL MOTOR CIRCUIT ) |
| B1237 | A short in the passenger's air mix control motor circuit | Climate control unit | Signal error | (see DTC B1237 OR DTC INDICATOR N AND AUTO: A SHORT IN THE PASSENGER'S AIR MIX CONTROL MOTOR CIRCUIT ) |
| B1238 | A problem in the passenger's air mix control linkage, door, or motor circuit | Climate control unit | Signal error | (see DTC B1238 OR DTC INDICATOR P AND AUTO: A PROBLEM IN THE PASSENGER'S AIR MIX CONTROL LINKAGE, DOOR, OR MOTOR CIRCUIT ) |
| B1239 | An open or short in the driver's mode control motor circuit | Climate control unit | Signal error | (see DTC B1239 OR DTC INDICATOR A AND MODE: AN OPEN OR SHORT IN THE DRIVER'S MODE CONTROL MOTOR CIRCUIT ) |
| B1240 | A problem in the driver's mode control linkage, doors, or motor | Climate control unit | Signal error | (see DTC B1240 OR DTC INDICATOR B AND MODE: A PROBLEM IN THE DRIVER'S MODE CONTROL LINKAGE, DOORS, OR MOTOR CIRCUIT ) |
| B1241 | A problem in the blower motor circuit | Climate control unit | Signal error | (see DTC B1241 OR DTC INDICATOR C AND MODE: A PROBLEM IN THE BLOWER MOTOR CIRCUIT ) |
| B1242 | An open or short in the passenger's mode control motor circuit | Climate control unit | Signal error | (see DTC B1242 OR DTC INDICATOR E AND MODE: AN OPEN OR SHORT IN THE PASSENGER'S MODE CONTROL MOTOR CIRCUIT ) |
| B1243 | A problem in the passenger's mode control linkage, doors, or motor | Climate control unit | Signal error | (see DTC B1243 OR DTC INDICATOR F AND MODE: A PROBLEM IN THE PASSENGER'S MODE CONTROL LINKAGE, DOORS, OR MOTOR CIRCUIT ) |
| B2967 | An open in the humidity sensor circuit | Climate control unit | Signal error | (see DTC B2967 OR DTC INDICATOR A AND WINDSHIELD DEFROST: AN OPEN IN THE HUMIDITY SENSOR CIRCUIT ) |
| B2968 | A short in the humidity sensor circuit | Climate control unit | Signal error | (see DTC B2968 OR DTC INDICATOR B AND WINDSHIELD DEFROST: A SHORT IN THE HUMIDITY SENSOR CIRCUIT ) |
| B2969 | Climate control unit lost communication with driver's MICU (WIPSW message) | Climate control unit | Loss of communication | (see DTC B2969: CLIMATE CONTROL UNIT LOST COMMUNICATION WITH DRIVER'S MICU (WIPSW MESSAGE) ) |
| B2979 | An open in the A/C pressure sensor circuit | Climate control unit | Signal error | (see DTC B2979 OR DTC INDICATOR E AND WINDSHIELD DEFROST: AN OPEN IN THE A/C PRESSURE SENSOR CIRCUIT ) |
| B2980 | A short in the A/C pressure sensor circuit | Climate control unit | Signal error | (see DTC B2980 OR DTC INDICATOR F AND WINDSHIELD DEFROST: A SHORT IN THE A/C PRESSURE SENSOR CIRCUIT ) |
| B2983 | A problem in the recirculation control linkage, door, or motor circuit | Climate control unit | Signal error | (see DTC B2983 OR DTC INDICATOR K AND MODE: A PROBLEM IN THE RECIRCULATION CONTROL LINKAGE, DOOR, OR MOTOR CIRCUIT ) |