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DTC Troubleshooting Index

NOTE: Record all DTCs, and southern by DTC type using the following DTC troubleshooting indexes, then troubleshoot the DTC(s) in this order:
MICU

DTC Description DTC type
B1000  Communication circuit error (BUS Off) Loss of communication
B1002  MICU internal error (EEPROM error) Internal error
B1011  MICU lost communication with gauge control module (VSP/NE message) Loss of communication
B1028 (see DTC B1028: REAR WIPER MOTOR (PARK) SIGNAL ERROR ) Rear wiper motor (Park) signal error Signal error
B1036  IG1 power supply circuit malfunction Signal error
B1077 (see DTC B1077: WINDSHIELD WIPER MOTOR (PARK) SIGNAL ERROR ) Windshield wiper motor (Park) signal error Signal error
B1078 (see DTC B1078: DAYTIME RUNNING LIGHT FOR CANADA CIRCUIT MALFUNCTION; DTC B1079: DAYTIME RUNNING LIGHT FOR USA CIRCUIT MALFUNCTION ) Daytime running light for canada circuit malfunction Bulb failure
B1079 (see DTC B1078: DAYTIME RUNNING LIGHT FOR CANADA CIRCUIT MALFUNCTION; DTC B1079: DAYTIME RUNNING LIGHT FOR USA CIRCUIT MALFUNCTION ) Daytime running light for USA circuit malfunction Bulb failure
B1127 (see DOORS AUTOMATICALLY RELOCK 30 SECONDS AFTER BEING UNLOCKED WITH THE TRANSMITTER EVEN THOUGH A DOOR HAS BEEN OPENED ) Driver's door key cylinder switch input circuit malfunction (Simultaneous input of lock and unlock signal) Signal error
B1128 (see DTC B1128: DRIVER'S DOOR REMOTE SWITCH INPUT CIRCUIT MALFUNCTION (SIMULTANEOUS INPUT OF LOCK AND UNLOCK SIGNAL) ) Driver's door remote switch input circuit malfunction (Simultaneous input of lock and unlock signal) Signal error
B1129 (see DTC B1129: DRIVER'S DOOR LOCK KNOB SWITCH INPUT CIRCUIT MALFUNCTION (SIMULTANEOUS INPUT OF LOCK AND UNLOCK SIGNAL) ) Driver's door lock knob switch input circuit malfunction-(Simultaneous input of lock and unlock signal) Signal error
B1275 (see DTC B1275: HEADLIGHT OFF POSITION CIRCUIT MALFUNCTION; DTC B1276: HEADLIGHT SWITCH PARKING POSITION CIRCUIT MALFUNCTION; DTC B1277: HEADLIGHT AUTO POSITION CIRCUIT MALFUNCTION; DTC B1278: HEADLIGHT ON POSITION CIRCUIT MALFUNCTION ) Headlight OFF position circuit malfunction Signal error
B1276 (see DTC B1275: HEADLIGHT OFF POSITION CIRCUIT MALFUNCTION; DTC B1276: HEADLIGHT SWITCH PARKING POSITION CIRCUIT MALFUNCTION; DTC B1277: HEADLIGHT AUTO POSITION CIRCUIT MALFUNCTION; DTC B1278: HEADLIGHT ON POSITION CIRCUIT MALFUNCTION ) Headlight switch PARKING position circuit malfunction Signal error
B1277 (see DTC B1275: HEADLIGHT OFF POSITION CIRCUIT MALFUNCTION; DTC B1276: HEADLIGHT SWITCH PARKING POSITION CIRCUIT MALFUNCTION; DTC B1277: HEADLIGHT AUTO POSITION CIRCUIT MALFUNCTION; DTC B1278: HEADLIGHT ON POSITION CIRCUIT MALFUNCTION ) Headlight AUTO position circuit malfunction Signal error
B1278 (see DTC B1275: HEADLIGHT OFF POSITION CIRCUIT MALFUNCTION; DTC B1276: HEADLIGHT SWITCH PARKING POSITION CIRCUIT MALFUNCTION; DTC B1277: HEADLIGHT AUTO POSITION CIRCUIT MALFUNCTION; DTC B1278: HEADLIGHT ON POSITION CIRCUIT MALFUNCTION ) Headlight ON position circuit malfunction Signal error
B1279 (see DTC B1279: DIMMER SWITCH CIRCUIT MALFUNCTION ) Dimmer switch circuit malfunction Signal error
B1280 (see DTC B1280: TURN SIGNAL SWITCH CIRCUIT MALFUNCTION ) Turn signal switch circuit malfunction Signal error
B1281 (see DTC B1281: FRONT WIPER MIST POSITION CIRCUIT MALFUNCTION; DTC B1282: FRONT WIPER INT (AUTO) POSITION CIRCUIT MALFUNCTION; DTC B1283: FRONT WIPER LOW POSITION CIRCUIT MALFUNCTION; DTC B1284: FRONT WIPER HIGH POSITION CIRCUIT MALFUNCTION ) Front wiper MIST position circuit malfunction Signal error
B1282 (see DTC B1281: FRONT WIPER MIST POSITION CIRCUIT MALFUNCTION; DTC B1282: FRONT WIPER INT (AUTO) POSITION CIRCUIT MALFUNCTION; DTC B1283: FRONT WIPER LOW POSITION CIRCUIT MALFUNCTION; DTC B1284: FRONT WIPER HIGH POSITION CIRCUIT MALFUNCTION ) Front wiper INT (AUTO) position circuit malfunction Signal error
B1283 (see DTC B1281: FRONT WIPER MIST POSITION CIRCUIT MALFUNCTION; DTC B1282: FRONT WIPER INT (AUTO) POSITION CIRCUIT MALFUNCTION; DTC B1283: FRONT WIPER LOW POSITION CIRCUIT MALFUNCTION; DTC B1284: FRONT WIPER HIGH POSITION CIRCUIT MALFUNCTION ) Front wiper LOW position circuit malfunction Signal error
B1284 (see DTC B1281: FRONT WIPER MIST POSITION CIRCUIT MALFUNCTION; DTC B1282: FRONT WIPER INT (AUTO) POSITION CIRCUIT MALFUNCTION; DTC B1283: FRONT WIPER LOW POSITION CIRCUIT MALFUNCTION; DTC B1284: FRONT WIPER HIGH POSITION CIRCUIT MALFUNCTION ) Front wiper HIGH position circuit malfunction Signal error
B1575 (see DTC B1575: AUTO LIGHT SENSOR CIRCUIT MALFUNCTION ) Auto light sensor circuit malfunction Signal error
B1150  Communication circuit error (BUS Off) Loss of communication
B1152 (see DTC B1152: GAUGE CONTROL MODULE INTERNAL (EEPROM) ERROR ) Gauge control module internal (EEPROM) error Internal error
B1155 Gauge control module lost communication with the MICU unit (headlight switch message) Loss of communication
B1156 (see DTC B1156: GAUGE CONTROL MODULE LOST COMMUNICATION WITH THE MICU (WIPER SWITCH MESSAGE) ) Gauge control module lost communication with the MICU (wiper switch message) Loss of communication
B1157 (see DTC B1157: GAUGE CONTROL MODULE LOST COMMUNICATION WITH THE MICU (MICU MESSAGE) ) Gauge control module lost communication with the MICU (MICU message) Loss of communication
B1159 (see DTC B1159: GAUGE CONTROL MODULE LOST COMMUNICATION WITH THE MICU (DOORSW MESSAGE) ) Gauge control module lost communication with the MICU (DOORSW message) Loss of communication
B1160 (see DTC B1160: GAUGE CONTROL MODULE LOST COMMUNICATION WITH THE MICU (DRLOCKSW MESSAGE) ) Gauge control module lost communication with the MICU (DRLOCKSW message) Loss of communication
B1168 (see DTC B1168: GAUGE CONTROL MODULE LOST COMMUNICATION WITH THE PCM (ENGINE MESSAGES) ) Gauge control module lost communication with the PCM (Engine messages) Loss of communication
B1169 (see DTC B1169: GAUGE CONTROL MODULE LOST COMMUNICATION WITH THE PCM (A/T MESSAGE) ) Gauge control module lost communication with the PCM (A/T messages) Loss of communication
B1170 (see DTC B1170: GAUGE CONTROL MODULE LOST COMMUNICATION WITH THE VSA MODULATOR-CONTROL UNIT (VSA MESSAGE) ) Gauge control module lost communication with the VSA modulator-control unit (VSA message) Loss of communication
B1173 (see DTC B1173: GAUGE CONTROL MODULE LOST COMMUNICATION WITH TPMS CONTROL UNIT (TPMS MESSAGE) ) Gauge control module lost communication with TPMS control unit (TPMS message) Loss of communication
B1175 (see DTC B1175: FUEL LEVEL SENSOR (FUEL GAUGE SENDING UNIT) CIRCUIT MALFUNCTION ) Fuel level sensor (Fuel gauge sending unit) circuit malfunction Signal error
B1176 (see DTC B1176: FUEL LEVEL SENSOR (FUEL GAUGE SENDING UNIT) CIRCUIT SHORT ) Fuel level sensor (Fuel gauge sending unit) circuit short Signal error
B1178 (see DTC B1178: F-CAN COMMUNICATION CIRCUIT ERROR ) F-CAN communication circuit error Loss of communication
B1183 (see DTC B1183: GAUGE CONTROL MODULE LOST COMMUNICATION WITH EPS CONTROL UNIT (EPS MESSAGE) ) Gauge control module lost communication with EPS unit Loss of communication
B1185 (see DTC B1185: GAUGE CONTROL MODULE LOST COMMUNICATION WITH MOTOR CONTROL MODULE (BATT MESSAGE) ) Gauge control module lost communication with motor control module (BATT message) Loss of communication
B1187 (see DTC B1187: GAUGE CONTROL MODULE LOST COMMUNICATION WITH THE SRS UNIT (SRS MESSAGE) ) Gauge control module lost communication with the SRS unit (SRS message) Loss of communication
IMMOBILIZER-KEYLESS CONTROL UNIT

DTC Description DTC type
B1900  Communication circuit error (BUS Off) Loss of communication
B1905 (see DTC B1905: IMMOBILIZER UNIT LOST COMMUNICATION WITH MICU (DOOR LOCK SWITCH MESSAGE) ) Immobilizer unit lost communication with MICU (door lock switch message) Loss of communication
B1906 (see DTC B1906: IMMOBILIZER UNIT LOST COMMUNICATION WITH GAUGE CONTROL MODULE (A/T MESSAGE) ) Immobilizer unit lost communication with gauge control module (A/T message) Loss of communication
HANDSFREELINK CONTROL UNIT (WITHOUT NAVIGATION)

DTC Description DTC type
B1775 (see DTC B1775: MICROPHONE INPUT/OUTPUT SHORTED TO POWER (WITHOUT NAVIGATION) ) Microphone input/output shorted to power Signal Error
B1776 (see DTC B1776: MICROPHONE INPUT/OUTPUT SHORTED TO GROUND OR OPEN (WITHOUT NAVIGATION) ) Microphone input/output shorted to ground or open Signal Error
B1779 (see DTC B1779: HANDSFREELINK STEERING WHEEL SWITCH FAILURE (WITHOUT NAVIGATION) ) HandsFreeLink steering wheel switch failure Signal Error
B1780 (see DTC B1780: HANDSFREELINK STEERING WHEEL SWITCH LINE SHORT (WITHOUT NAVIGATION) ) HandsFreeLink steering wheel switch line short Signal Error
B1792 (see DTC B1792: HANDSFREELINK CONTROL MODULE ERROR (WITHOUT NAVIGATION) ) HandsFreeLink control module error Internal Error
U1280  Communication bus line error (BUS-OFF) Loss of communication
CLIMATE CONTROL UNIT

DTC Detection Item or Symptom DTC type
B1200  Communication bus line error (BUS-OFF) Loss of communication
B1205 (see DTC B1205 OR DTC INDICATOR B: CLIMATE CONTROL UNIT LOST COMMUNICATION WITH GAUGE CONTROL MODULE (VSP/NE MESSAGE); DTC B1206 OR DTC INDICATOR C: CLIMATE CONTROL UNIT LOST COMMUNICATION WITH GAUGE CONTROL MODULE (COOLANT TEMP MESSAGE); DTC B1207 OR DTC INDI ) Climate control unit lost communication with gauge control module (VSP/NE message) Loss of communication
B1206 (see DTC B1205 OR DTC INDICATOR B: CLIMATE CONTROL UNIT LOST COMMUNICATION WITH GAUGE CONTROL MODULE (VSP/NE MESSAGE); DTC B1206 OR DTC INDICATOR C: CLIMATE CONTROL UNIT LOST COMMUNICATION WITH GAUGE CONTROL MODULE (COOLANT TEMP MESSAGE); DTC B1207 OR DTC INDI ) Climate control unit lost communication with gauge control module (ECT message) Loss of communication
B1207 (see DTC B1205 OR DTC INDICATOR B: CLIMATE CONTROL UNIT LOST COMMUNICATION WITH GAUGE CONTROL MODULE (VSP/NE MESSAGE); DTC B1206 OR DTC INDICATOR C: CLIMATE CONTROL UNIT LOST COMMUNICATION WITH GAUGE CONTROL MODULE (COOLANT TEMP MESSAGE); DTC B1207 OR DTC INDI ) Climate control unit lost communication with gauge control module (illumination message) Loss of communication
B1225 (see DTC B1225 OR DTC INDICATOR A AND AUTO: AN OPEN IN THE IN-CAR TEMPERATURE SENSOR CIRCUIT ) An open in the in-car temperature sensor circuit Signal error
B1226 (see DTC B1226 OR DTC INDICATOR B AND AUTO: A SHORT IN THE IN-CAR TEMPERATURE SENSOR CIRCUIT ) A short in the in-car temperature sensor circuit Signal error
B1227 (see DTC B1227 OR DTC INDICATOR C AND AUTO: AN OPEN IN THE OUTSIDE AIR TEMPERATURE SENSOR CIRCUIT ) An open in the outside air temperature sensor circuit Signal error
B1228 (see DTC B1228 OR DTC INDICATOR D AND AUTO: A SHORT IN THE OUTSIDE AIR TEMPERATURE SENSOR CIRCUIT ) A short in the outside air temperature sensor circuit Signal error
B1229 (see DTC B1229 OR DTC INDICATOR E AND AUTO: AN OPEN IN THE SUNLIGHT SENSOR CIRCUIT ) An open in the sunlight sensor circuit Signal error
B1230 (see DTC B1230 OR DTC INDICATOR F AND AUTO: A SHORT IN THE SUNLIGHT SENSOR CIRCUIT ) A short in the sunlight sensor circuit Signal error
B1231 (see DTC B1231 OR DTC INDICATOR G AND AUTO: AN OPEN IN THE EVAPORATOR TEMPERATURE SENSOR CIRCUIT ) An open in the evaporator temperature sensor circuit Signal error
B1232 (see DTC B1232 OR DTC INDICATOR H AND AUTO: A SHORT IN THE EVAPORATOR TEMPERATURE SENSOR CIRCUIT ) A short in the evaporator temperature sensor circuit Signal error
B1233 (see DTC B1233 OR DTC INDICATOR A AND A/C: AN OPEN IN THE AIR MIX CONTROL MOTOR CIRCUIT ) An open in the air mix control motor circuit Signal error
B1234 (see DTC B1234 OR DTC INDICATOR B AND A/C: A SHORT IN THE AIR MIX CONTROL MOTOR CIRCUIT ) A short in the air mix control motor circuit Signal error
B1235 (see DTC B1235 OR DTC INDICATOR C AND A/C: A PROBLEM IN THE AIR MIX CONTROL MOTOR CIRCUIT, LINKAGE, DOOR, OR MOTOR ) A problem in the air mix control motor circuit, linkage, door, or motor Signal error
B1239 (see DTC B1239 OR DTC INDICATOR D AND A/C: AN OPEN OR SHORT IN THE MODE CONTROL MOTOR CIRCUIT ) An open or short in the mode control motor circuit Signal error
B1240 (see DTC B1240 OR DTC INDICATOR E AND A/C: A PROBLEM IN THE MODE CONTROL MOTOR CIRCUIT, LINKAGE, DOOR, OR MOTOR ) A problem in the mode control motor circuit, linkage, doors, or motor Signal error
B1241 (see DTC B1241 OR DTC INDICATOR F AND A/C: A PROBLEM IN THE BLOWER MOTOR CIRCUIT ) A problem in the blower motor circuit Signal error
B2967 (see DTC B2967 OR DTC INDICATOR J AND AUTO: AN OPEN IN THE HUMIDITY SENSOR CIRCUIT ) An open in the humidity sensor circuit Signal error
B2968 (see DTC B2968 OR DTC INDICATOR K AND AUTO: A SHORT IN THE HUMIDITY SENSOR CIRCUIT ) A short in the humidity sensor circuit Signal error
B2969 (see DTC B2969: CLIMATE CONTROL UNIT LOST COMMUNICATION WITH MICU (WIPSW MESSAGE) ) Climate control unit lost communication with MICU (WIPSW message) Loss of communication