DTC Troubleshooting Index
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
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 ) |