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Network Communication DTC

NOTE:  Record all DTCs, and sort them by DTC type using the DTC troubleshooting index, then troubleshoot the DTC(s) in this order:

MICU 

DTC Description DTC type
B1002 MICU internal error (EEPROM error) Internal error
B1003 MICU update error Internal error
B1028 Rear wiper motor (Park) signal error Signal error
B1036 IG1 power supply circuit malfunction Signal error
B1077 Windshield wiper motor (Park) signal error Signal error
B1081 Left side LED headlight malfunction Signal error
B1082 Left side LED headlight circuit malfunction Signal error
B1083 Right side LED headlight malfunction Signal error
B1084 Right side LED headlight circuit malfunction Signal error
B1275 Headlight OFF position circuit malfunction Signal error
B1276 Headlight switch parking (small) position circuit malfunction Signal error
B1277 Headlight AUTO position circuit malfunction Signal error
B1278 Headlight ON position circuit malfunction Signal error
B1279 Dimmer switch circuit malfunction Signal error
B1280 Turn signal switch circuit malfunction Signal error
B1281 Front wiper MIST position circuit malfunction Signal error
B1282 Front wiper INT (AUTO) position circuit malfunction Signal error
B1283 Front wiper LOW position circuit malfunction Signal error
B1284 Front wiper HIGH position circuit malfunction Signal error
U0199 -
Refer to: 
DTC Troubleshooting: U0199, U128D (2016 2017 2018) or
DTC Troubleshooting: U0199, U128D (2019 2020 2021) .
MICU lost communication with power window master switch Loss of communication
U1280 -
Refer to: 
DTC Troubleshooting: U1280 (2016 2017 2018) or
DTC Troubleshooting: U1280 (2019 2020 2021) .
B-CAN communication bus line error (BUS-OFF) Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U0199, U128D (2016 2017 2018) or
DTC Troubleshooting: U0199, U128D (2019 2020 2021)
MICU lost communication with gauge control module Loss of communication

Gauge Control Module 

DTC Description DTC type
B1175 -
Refer to: 
DTC Troubleshooting: B1175 (2016 2017 2018) or
DTC Troubleshooting: B1175 (2019 2020 2021) .
Fuel level sensor (fuel gauge sending unit) circuit malfunction Signal error
B1176 -
Refer to: 
DTC Troubleshooting: B1176 (2016 2017 2018) or
DTC Troubleshooting: B1176 (2019 2020 2021) .
Fuel level sensor (fuel gauge sending unit) circuit short Signal error
B1192 -
Refer to: 
DTC Troubleshooting: B1192 (2016 2017 2018) or
DTC Troubleshooting: B1192 (2019 2020 2021) .
Gauge control module lost communication with battery sensor ECU (LIN BUS connected) Loss of communication
U0029 -
Refer to: 
DTC Troubleshooting: U0029 or
DTC Troubleshooting: U0029 (With CAN Gateway) (2019 2020 2021) .
F-CAN communication line error Loss of communication
U0100 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge control module lost communication with ENG/AT Loss of communication
U0101 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge control module lost communication with AT Loss of communication
U0104 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge control module lost communication with Driving Support System Control Unit Loss of communication
U0114 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge control module lost communication with All Wheel Drive Control Module Loss of communication
U0122 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge control module lost communication with VSA modulator-control unit Loss of communication
U0127 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge control module lost communication with TPMS control unit Loss of communication
U0131 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge control module lost communication with EPS unit Loss of communication
U0151 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge control module lost communication with SRS unit Loss of communication
U0230 -
Refer to: 
DTC Troubleshooting: U0230, U1281, U1288, U128F (2016 2017 2018) or
DTC Troubleshooting: U0230, U1281, U1288, U128F (2019 2020 2021) .
Gauge control module lost communication with PTG Loss of communication
U1100 -
Refer to: 
DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2016) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T) (2017 2018) or DTC Troubleshooting: U0100, U0101, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0101, U0122, U0127, U0131, U0151 (Gauge Control Module: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) or DTC Troubleshooting: U0100, U0104, U0114, U0122, U0127, U0131, U0151, U1100 (Gauge Control Module: 6-Speed A/T With CAN Gateway) (2019 2020) or DTC Troubleshooting: U0100, U0122, U0127, U0131, U0151 (Gauge Control Module: 6-Speed A/T Without CAN Gateway) (2019 2020) .
Gauge Control Module Lost Communication with Driving Support System Control Unit Loss of communication
U1280 Communication bus line error (BUS-OFF) Loss of communication
U1281 -
Refer to: 
DTC Troubleshooting: U0230, U1281, U1288, U128F (2016 2017 2018) or
DTC Troubleshooting: U0230, U1281, U1288, U128F (2019 2020 2021) .
Gauge control module lost communication with MICU (MICU frame) Loss of communication
U1288 -
Refer to: 
DTC Troubleshooting: U0230, U1281, U1288, U128F (2016 2017 2018) or
DTC Troubleshooting: U0230, U1281, U1288, U128F (2019 2020 2021) .
Gauge control module lost communication with PARKSR Loss of communication
U128F -
Refer to: 
DTC Troubleshooting: U0230, U1281, U1288, U128F (2016 2017 2018) or
DTC Troubleshooting: U0230, U1281, U1288, U128F (2019 2020 2021) .
Gauge control module lost communication with BSI unit Loss of communication
U3000-49 ECU internal circuit malfunction Internal error
U3000-51 Reprogramming error Internal error

Climate Control 

DTC Description DTC type
B1213 An open in the rear evaporator temperature sensor circuit Signal error
B1214 A short in the rear evaporator temperature sensor circuit Signal error
B1220 A short in the recirculation control motor circuit Signal error
B1221 An open in the rear mode control motor circuit Signal error
B1222 A short in the rear mode control motor circuit Signal error
B1223 A problem in the rear blower motor circuit Signal error
B1225 An open in the in-car temperature sensor circuit Signal error
B1226 A short in the in-car temperature sensor circuit Signal error
B1227 An open in the outside air temperature sensor circuit Signal error
B1228 A short in the outside air temperature sensor circuit Signal error
B1229 An open in the sunlight sensor circuit Signal error
B1230 A short in the sunlight sensor circuit Signal error
B1231 An open in the evaporator temperature sensor circuit (front) Signal error
B1232 A short in the evaporator temperature sensor circuit (front) Signal error
B1233 An open in the air mix control motor circuit (driver's) Signal error
B1234 A short in the air mix control motor circuit (driver's) Signal error
B1235 A problem in the air mix control motor circuit, linkage, door, or motor (driver's) Signal error
B1236 An open in the passenger's air mix control motor circuit Signal error
B1237 A short in the passenger's air mix control motor circuit Signal error
B1238 A problem in the passenger's air mix control motor circuit, linkage, door, or motor Signal error
B123F Automatic lighting control unit/sensor internal error Internal error
B1241 A problem in the blower motor circuit (front) Signal error
B1244 An open in the rear air mix control motor circuit Signal error
B1245 A short in the rear air mix control motor circuit Signal error
B1246 A problem in the rear air mix control motor circuit, linkage, door, or motor Signal error
B1248 A problem in the rear mode control motor circuit, linkage, door, or motor Signal error
B2966 -
Refer to: 
DTC Troubleshooting: B2966 (With Auto Idle Stop System) or
DTC Troubleshooting: B2966 (Without Auto Idle Stop System) .
Climate control unit lost communication with Rear PANEL Signal error
B2967 An open in the humidity sensor circuit Signal error
B2968 A short in the humidity sensor circuit Signal error
B2969 An open in the mode control motor A circuit (front) Signal error
B2970 A short in the mode control motor A circuit (front) Signal error
B2971 A problem in the mode control motor A circuit, linkage, door, or motor (front) Signal error
B2972 An open in the mode control motor B circuit (front) Signal error
B2973 A short in the mode control motor B circuit (front) Signal error
B2974 A problem in the mode control motor B circuit, linkage, door, or motor (front) Signal error
B2979 An open in the A/C pressure sensor circuit Signal error
B2980 A short in the A/C pressure sensor circuit Signal error
B2983 A problem in the recirculation control motor circuit, linkage, door, or motor Signal error
B2986 An open in the recirculation control motor circuit Signal error
B2988 A problem in the A/C compressor variable capacity control solenoid circuit Signal error
U0180 Lost communication with automatic lighting control unit/sensor Loss of communication
U1280 Communication bus line error (BUS-OFF) Loss of communication
U1281 Lost Communication with MICU (climate control unit) Loss of communication
U128D Lost communication with gauge control module (climate control unit) Loss of communication
U1290 Lost communication with seat heater control unit (front) (climate control unit) Loss of communication
U129B -
Refer to: 
DTC Troubleshooting: U129B (With Auto Idle Stop System) or
DTC Troubleshooting: U129B (Without Auto Idle Stop System) .
Lost communication with seat heater control unit (second row seat) (climate control unit) Loss of communication

HVAC Control Unit 

DTC  Description  DTC Type 
B1220 A short in the recirculation control motor circuit Signal error
B1221 An open in the rear mode control motor circuit Signal error
B1222 A short in the rear mode control motor circuit Signal error
B1223 A problem in the rear blower motor circuit Signal error
B1231 An open in the evaporator temperature sensor circuit (front) Signal error
B1232 A short in the evaporator temperature sensor circuit (front) Signal error
B1233 An open in the air mix control motor circuit (front) Signal error
B1234 A short in the air mix control motor circuit (front) Signal error
B1235 A problem in the air mix control motor circuit, linkage, door, or motor (front) Signal error
B1241 A problem in the blower motor circuit (front) Signal error
B1244 An open in the rear air mix control motor circuit Signal error
B1245 A short in the rear air mix control motor circuit Signal error
B1246 A problem in the rear air mix control motor circuit, linkage, door, or motor Signal error
B1248 A problem in the rear mode control motor circuit, linkage, door, or motor Signal error
B2969 An open in the mode control motor A circuit (front) Signal error
B2970 A short in the mode control motor A circuit (front) Signal error
B2971 A problem in the mode control motor A circuit, linkage, door, or motor (front) Signal error
B2972 An open in the mode control motor B circuit (front) Signal error
B2973 A short in the mode control motor B circuit (front) Signal error
B2974 A problem in the mode control motor B circuit, linkage, door, or motor (front) Signal error
B2979 An open in the A/C pressure sensor circuit Signal error
B2980 A short in the A/C pressure sensor circuit Signal error
B2983 A problem in the recirculation control motor circuit, linkage, door, or motor Signal error
B2986 An open in the recirculation control motor circuit Signal error
U1280 Communication bus line error (BUS-OFF) Loss of communication
U1281 Lost Communication with MICU (HVAC control unit) Loss of communication
U128D Lost communication with gauge control module (HVAC control unit) Loss of communication

Power Window Master Switch 

DTC Description DTC type
B1125 Driver's power window motor A pulse malfunction Signal error
B1126 Driver's power window motor B pulse malfunction Signal error
B1127 Driver's door lock key cylinder switch malfunction Signal error
B1128 Driver's door lock switch malfunction Signal error
B1129 Driver's door lock knob switch malfunction Signal error
B1130 Front passenger's power window motor A pulse malfunction Signal error
B1131 Front passenger's power window motor B pulse malfunction Signal error
B1140 Driver's power window position detect circuit malfunction Signal error
B1142 Power Window Master Switch lost communication with front passenger's power window switch
(UART line open)
Loss of communication
B1145 Front passenger's power window position detect circuit malfunction Signal error
U0164 -
Refer to: 
DTC Troubleshooting: U0164, U1281, U128D (Multiplex Control Unit, Door) (2016 2017 2018) or
DTC Troubleshooting: U0164, U1281, U128D (Multiplex Control Unit, Door) (2019 2020 2021) .
Power Window Master Switch lost communication with climate control unit Loss of communication
U1280 Communication bus line error (BUS-OFF) Loss of communication
U1281 -
Refer to: 
DTC Troubleshooting: U1281, U0164, U128D (Multiplex Control Unit, Door) (2016 2017 2018) or
DTC Troubleshooting: U1281, U0164, U128D (Multiplex Control Unit, Door) (2019 2020 2021) .
Power Window Master Switch lost communication with MICU Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U128D, U0164, U1281 (Multiplex Control Unit, Door) (2016 2017 2018) or
DTC Troubleshooting: U128D, U0164, U1281 (Multiplex Control Unit, Door) (2019 2020 2021) .
Power Window Master Switch lost communication with gauge control module Loss of communication

Automatic Lighting Control Unit 

DTC Description DTC type
B1575 Auto light sensor error Internal error
U1280 BUS OFF state is detected by CAN controller Loss of communication
U1281 -
Refer to: 
DTC Troubleshooting: U1281, U128D (Automatic Lighting Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U1281, U128D (Automatic Lighting Control Unit) (2019 2020 2021) .
Auto light control unit lost communication with MICU Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U1281, U128D (Automatic Lighting Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U1281, U128D (Automatic Lighting Control Unit) (2019 2020 2021) .
Auto light control unit lost communication with gauge control module Loss of communication

Automatic Lighting/Rain Sensor 

DTC Description DTC type
B2352 Rain light sensor unit internal error (EEPROM error) Internal error
B2375 Rain sensor malfunction Internal error
B2376 Light Sensor malfunction Internal error
U1280 B-CAN communication bus line error (BUS-OFF) Loss of communication
U1281 -
Refer to: 
DTC Troubleshooting: U1281, U128D (Automatic Lighting/Rain Sensor) (2016 2017 2018) or
DTC Troubleshooting: U1281, U128D (Automatic Lighting/Rain Sensor) (2019 2020 2021) .
Rain Light Sensor Unit lost communication with MICU Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U1281, U128D (Automatic Lighting/Rain Sensor) (2016 2017 2018) or
DTC Troubleshooting: U1281, U128D (Automatic Lighting/Rain Sensor) (2019 2020 2021) .
Rain Light Sensor Unit lost communication with gauge control module Loss of communication

Headlight Leveling Control Unit 

DTC Description DTC type
B2476 Front Height Sensor failure Signal error
B2477 Rear Height Sensor failure Signal error
B2479 Auto Leveling Unit EEPROM error Internal error
B2480 VSP Sensor failure Signal error
B2481 Abnormal VSP Sensor Value Signal error
B2482 Combination switch Headlight switch signal error Signal error
U1280 B-CAN communication bus line error (BUS-OFF) Loss of communication
U1281 Auto leveling control unit lost communication with MICU Loss of communication
U128D Auto leveling control unit lost communication with Gauge control unit Loss of communication

Auto High-Beam Control Unit 

DTC Description DTC type
B1A05 Auto high-beam control unit internal failure Signal error
B1A06 Auto high-beam camera blocked failure Signal error
U1280 Auto high-beam control unit communication bus line error (BUS-OFF) Loss of communication
U1281 Auto high-beam control unit lost communication with MICU Loss of communication
U128D Auto high-beam control unit lost communication with Gauge control module Loss of communication

Keyless Access Control Unit 

DTC Description DTC type
B1601 Keyless access control unit internal (CPU) error Internal error
B1602 Keyless access control unit internal (EEPROM) error Internal error
B1632 MTR CONT signal error Signal error
B1640 RF1 antenna not connected or malfunction Signal error
B1645 Driver's door LF antenna circuit short Signal error
B1646 Driver's door LF antenna circuit open Signal error
B1647 Passenger's door LF antenna circuit Short Signal error
B1648 Passenger's door LF antenna circuit open Signal error
B1649 Driver side rear passenger door LF antenna circuit short Signal error
B1650 Driver side rear passenger door LF antenna circuit open Signal error
B1651 Passenger side rear passenger door LF antenna circuit short Signal error
B1652 Passenger side rear passenger door LF antenna circuit open Signal error
B1659 Front interior LF antenna circuit short Signal error
B1660 Front interior LF antenna circuit open Signal error
B1663 Rear interior LF antenna circuit short Signal error
B1664 Rear interior LF antenna circuit open Signal error
U1280 Keyless Access Control Unit communication Bus Line Error (BUS-OFF) Loss of communication
U1281 -
Refer to: 
DTC Troubleshooting: U1281, U128D (Keyless Access Control Unit) (2019 2020 2021) or
DTC Troubleshooting: U1281, U128D (Keyless Access Control Unit) (2016 2017 2018) .
Keyless access control unit lost communication with MICU Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U1281, U128D (Keyless Access Control Unit) (2016 2017 2018)
DTC Troubleshooting: U1281, U128D (Keyless Access Control Unit) (2019 2020 2021) or
.
Keyless access control unit lost communication with gauge control module Loss of communication

Backup Control Unit 

DTC Description DTC type
B1926 Backup control antenna open or short Internal error
B1931 Backup control unit no response Signal error
U1280 B-CAN communication bus line error (BUS-OFF) Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U128D (Keyless Access Backup Control Unit: 6-Speed A/T) (2016 2017 2018) or
DTC Troubleshooting: U128D (Keyless Access Backup Control Unit) (2019 2020 2021) or
DTC Troubleshooting: U128D (Keyless Access Backup Control Unit: 9-Speed A/T) (2016 2017 2018) .
Backup control unit lost communication with gauge control module Loss of communication

Power Control Unit 

DTC Description DTC type
B12C5 Engine start/stop switch failure Signal error
B12C6 Electric steering lock switch C/D monitor circuit failure Signal error
B12C7 Electric Steering Lock Motor Circuit Failure Signal error
B12D0 Power control unit IG1A circuit error Internal error
B12D1 Power control unit IG1B circuit error Internal error
B12D2 Power control unit IG2 circuit error Internal error
B12D3 Power control unit IG latch circuit error Internal error
B12E0 Electric steering lock switch internal error Internal error
B12E1 Electric steering lock motor internal error Internal error
B12E2 Electric steering lock low level failure of MTRCUT1 Signal error
B12E3 Electric steering lock high level failure of MTRCUT1 Signal error
B12E4 Electric steering lock high level failure of MTRCUT2 Signal error
B12E5 Incorrect assembly of control unit for electric steering lock equipped vehicle Signal error
B12F0 Power control unit lost communication with electric steering lock Loss of communication
B12F3 Power control unit lost communication with transmission control unit Loss of communication
U0073 -
Refer to: 
DTC Troubleshooting: U0073 (Keyless Access Power Control Unit) or
DTC Troubleshooting: U0073 (Keyless Access Power Control Unit: With CAN Gateway) (2019 2020 2021)
.
F-CAN communication bus line error Loss of communication
U0100 -
Refer to: 
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 6-Speed A/T) (2016 2017 2018 2019 2020) or
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 9-Speed A/T) (2016 2017 2018) or
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 6-Speed A/T With CAN Gateway) (2019 2020) or
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) .
Power control unit lost communication with PCM Loss of communication
U0122 -
Refer to: 
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 6-Speed A/T) (2016 2017 2018 2019 2020) or
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 9-Speed A/T) (2016 2017 2018) or
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 6-Speed A/T With CAN Gateway) (2019 2020) or
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 9-Speed A/T With CAN Gateway) (2019 2020 2021) or
DTC Troubleshooting: U0100, U0122 (Keyless Access Power Control Unit: 9-Speed A/T Without CAN Gateway) (2019 2020 2021) .
Power control unit lost communication with ABS/VSA modulator-control unit Loss of communication
U1280 B-CAN communication bus line error (BUS-OFF) Loss of communication
U1281 -
Refer to: 
DTC Troubleshooting: U1281, U128D (Keyless Access Power Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U1281, U128D (Keyless Access Power Control Unit) (2019 2020 2021) .
Power control unit lost communication with MICU Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U1281, U128D (Keyless Access Power Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U1281, U128D (Keyless Access Power Control Unit) (2019 2020 2021) .
Power control unit lost communication with gauge control module Loss of communication

Power Seat Control Unit 

DTC Description DTC type
B1802 Power seat control unit internal (EEPROM) error Internal error
B1803 Power mirror control unit internal (EEPROM) error Internal error
B1825 Slide pulse error (no change in pulse for 1 second) Internal error
B1826 Front height pulse error (no change in pulse for 1 second) Internal error
B1827 Rear height pulse error (no change in pulse for 1 second) Internal error
B1828 Driver seat recline motor pulse error Internal error
B1829 AT-P signal and VSP signal mismatch Signal error
B1836 Power seat position sensor circuit short Signal error
B1837 Memory position calling timeout Signal error
B1843 LOCAL communication error Loss of communication
B1844 Power seat slide switch circuit malfunction Signal error
B1845 Power seat recline switch circuit malfunction Signal error
B1846 Power seat front up-down switch circuit malfunction Signal error
B1847 Power seat rear up-down switch circuit malfunction Signal error
U0199 -
Refer to: 
DTC Troubleshooting: U0199, U1281, U128D (Power Seat Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U0199, U1281, U128D (Power Seat Control Unit) (2019 2020 2021) .
Power seat control unit lost communication with door multiplex control unit
(DRLockSW frame)
Loss of communication
U1280 B-CAN communication bus line error (BUS-OFF) Loss of communication
U1281 -
Refer to: 
DTC Troubleshooting: U0199, U1281, U128D (Power Seat Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U0199, U1281, U128D (Power Seat Control Unit) (2019 2020 2021) .
Power seat control unit lost communication with MICU (MICU frame) Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U0199, U1281, U128D (Power Seat Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U0199, U1281, U128D (Power Seat Control Unit) (2019 2020 2021) .
Lost Communication with Gauge Control Module (VSP/NE frame) Loss of communication

Parking and Back-Up Sensor Control Unit 

DTC Description DTC type
B2601 Parking sensor CPU error Internal error
B2602 Parking sensor EEPROM error Internal error
B2610 Front 1st sensor failure Signal error
B2613 Front 4th sensor failure Signal error
B2614 Rear 1st sensor failure Signal error
B2615 Rear 2nd sensor failure Signal error
B2616 Rear 3rd sensor failure Signal error
B2617 Rear 4th sensor failure Signal error
B2618 Front 1st sensor data failure Signal error
B261B Front 4th sensor data failure Signal error
B261C Rear 1st sensor data failure Signal error
B261D Rear 2nd sensor data failure Signal error
B261E Rear 3rd sensor data failure Signal error
B261F Rear 4th sensor data failure Signal error
B2625 Left front sensor failure Signal error
B2628 Right front sensor failure Signal error
B2629 Left rear sensor failure Signal error
B2630 Center left rear sensor failure Signal error
B2631 Center right rear sensor failure Signal error
B2632 Right rear sensor failure Signal error
B2635 IND erroneous lighting Signal error
B2636 Vehicle status combination error Signal error
B2637 Sensor power failure Signal error
B2638 Front left sensor bus failure Signal error
B2641 Front right sensor bus failure Signal error
B2642 Rear left sensor bus failure Signal error
B2643 Rear left center sensor bus failure Signal error
B2644 Rear right center sensor bus failure Signal error
B2645 Rear right sensor bus failure Signal error
B2646 Front sensor power failure Signal error
B2647 Rear sensor power failure Signal error
B2648 Front sensor signal short to ground Signal error
B2649 Rear sensor signal short to ground Signal error
B264A Indicator circuit short to power Signal error
B264B Indicator circuit short to ground Signal error
B264D Front sensor combination error Signal error
DTC Description DTC type
U0155 -
Refer to: 
DTC Troubleshooting: U0155, U1282 (Parking/Back-Up Sensor Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U0155, U1281 (Parking/Back-Up Sensor Control Unit) (2019 2020 2021) .
Lost communication with gauge control module Loss of communication
U1280 B-CAN communication bus line error (BUS-OFF) Loss of communication
U1281 -
Refer to: 
DTC Troubleshooting: U0155, U1282 (Parking/Back-Up Sensor Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U0155, U1281 (Parking/Back-Up Sensor Control Unit) (2019 2020 2021) .
Lost communication with MICU Loss of communication
U1282 -
Refer to: 
DTC Troubleshooting: U0155, U1282 (Parking/Back-Up Sensor Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U0155, U1281 (Parking/Back-Up Sensor Control Unit) (2019 2020 2021) .
Lost communication with Driver's MICU Loss of communication

Ventilated Seat Control Unit 

DTC Description DTC type
B1C55 Driver's heater thermistor circuit open Signal error
B1C56 Driver's heater thermistor circuit short Signal error
B1C57 Passenger's heater thermistor circuit open Signal error
B1C58 Passenger's heater thermistor circuit short Signal error
B1C60 Driver's heater current abnormal high Signal error
B1C61 Driver's heater current abnormal low Signal error
B1C62 Passenger's heater current abnormal high Signal error
B1C63 Passenger's heater current abnormal low Signal error
B1C68 Driver's heater not heating Signal error
B1C69 Passenger's heater not heating Signal error
B1C70 Driver's main heater switch failure Signal error
B1C71 Passenger's main heater switch failure Signal error
U1064 Seat heater control unit lost communication with climate control unit (front seat) Loss of communication
U1280 Seat heater control unit communication bus line error (BUS-OFF) (front seat) Loss of communication

Power Tailgate Control Unit 

DTC Description DTC type
B1352 Power Tailgate Control Unit Internal error (EEPROM error) Internal error
B1375 -
Refer to: 
DTC Troubleshooting: B1375 (2016 2017 2018) or
DTC Troubleshooting: B1375 (2019 2020 2021) .
Driver's side PTG switch circuit malfunction Signal error
B1376 -
Refer to: 
DTC Troubleshooting: B1376 (2016 2017 2018) or
DTC Troubleshooting: B1376 (2019 2020 2021) .
Tailgate Outer Handle switch circuit malfunction Signal error
B1377 -
Refer to: 
DTC Troubleshooting: B1377 (2016 2017 2018) or
DTC Troubleshooting: B1377 (2019 2020 2021) .
Power Tailgate Inner switch circuit malfunction Signal error
B1378 -
Refer to: 
DTC Troubleshooting: B1378 (2016 2017 2018) or
DTC Troubleshooting: B1378 (2019 2020 2021) .
Power Tailgate Right Touch/Pinch sensor circuit malfunction Signal error
B1379 -
Refer to: 
DTC Troubleshooting: B1379 (2016 2017 2018) or
DTC Troubleshooting: B1379 (2019 2020 2021) .
Power Tailgate Left Touch/Pinch sensor circuit malfunction Signal error
B1380 -
Refer to: 
DTC Troubleshooting: B1380 (2016 2017 2018) or
DTC Troubleshooting: B1380 (2019 2020 2021) .
 
Tailgate Closer Unit Neutral switch circuit malfunction Signal error
B1381 Tailgate Closer Unit Release switch circuit malfunction Signal error
B1382 -
Refer to: 
DTC Troubleshooting: B1382 (2016 2017 2018) or
DTC Troubleshooting: B1382 (2019 2020 2021) .
Tailgate Closer Unit Full Latch switch circuit malfunction Signal error
B1383 -
Refer to: 
DTC Troubleshooting: B1383 (2016 2017 2018) or
DTC Troubleshooting: B1383 (2019 2020 2021) .
Tailgate Closer Unit Ratchet switch circuit malfunction Signal error
B1384 -
Refer to: 
DTC Troubleshooting: B1384 (2016 2017 2018) or
DTC Troubleshooting: B1384 (2019 2020 2021) .
Tailgate Closer Unit Half Latch switch circuit malfunction Signal error
B1385 -
Refer to: 
DTC Troubleshooting: B1385 (2016 2017 2018) or
DTC Troubleshooting: B1385 (2019 2020 2021) .
Power tailgate temperature sensor malfunction Signal error
B1386 -
Refer to: 
DTC Troubleshooting: B1386 (2016 2017 2018) or
DTC Troubleshooting: B1386 (2019 2020 2021) .
Power Tailgate sensor Pulse A circuit malfunction Signal error
B1387 -
Refer to: 
DTC Troubleshooting: B1387 (2016 2017 2018) or
DTC Troubleshooting: B1387 (2019 2020 2021) .
Power Tailgate sensor Pulse B circuit malfunction Signal error
B1388 -
Refer to: 
DTC Troubleshooting: B1388 (2016 2017 2018) or
DTC Troubleshooting: B1388 (2019 2020 2021) .
 
Power Tailgate Drive Motor circuit malfunction Signal error
B1390 -
Refer to: 
DTC Troubleshooting: B1390 (2016 2017 2018) or
DTC Troubleshooting: B1390 (2019 2020 2021)
Power Tailgate Closer Motor function error Signal error
U0155 Lost communication with Gauge Control Module (VSP/NE, AT frame) Loss of communication
U0199 Lost communication with P/W (DRLOCKSW, KLDRLOCK frame) Loss of communication
U1280 Communication Bus line Error (a bus OFF state is detected by Power Tail Gate ECU) Loss of communication
U1281 Lost communication with MICU (MICU frame) Loss of communication
U128D -
Refer to: 
DTC Troubleshooting: U0155, U0199, U1281 (Power Tailgate Control Unit) (2016 2017 2018) or
DTC Troubleshooting: U0199, U1281, U128D (Power Tailgate Control Unit) (2019 2020 2021) .
 
Power tailgate control unit lost communication with gauge control module Loss of communication

Second Row Seat Heater Control Unit 

DTC Description DTC type
B1FA0 Left rear heater thermistor circuit open (second row seat) Signal error
B1FA1 Left rear heater thermistor circuit short (second row seat) Signal error
B1FA2 Right rear heater thermistor circuit open (second row seat) Signal error
B1FA3 Right rear heater thermistor circuit short (second row seat) Signal error
B1FAB Left rear heater current abnormal high (second row seat) Signal error
B1FAC Left rear heater current abnormal low (second row seat) Signal error
B1FAD Right rear heater current abnormal high (second row seat) Signal error
B1FAE Right rear heater current abnormal low (second row seat) Signal error
B1FB3 Left rear heater not heating (second row seat) Signal error
B1FB4 Right rear heater not heating (second row seat) Signal error
B1FBB Left rear main heater switch failure (second row seat) Signal error
B1FBC Right rear main heater switch failure (second row seat) Signal error
U1064 Seat heater control unit lost communication with climate control unit (second row seat) Loss of communication
U1280 Seat heater control unit communication bus line error (BUS-OFF) (second row seat) Loss of communication

Left Side BSI Radar Unit 

DTC Description DTC Type
B18A1 Left Side BSI Radar Unit Internal Circuit Error Internal error
B18A5 Left Side BSI Radar Unit Temperature High Signal error
B18B4 Left Side BSI Radar Unit Dirty Signal error
B18B8 Left Side BSI Radar Unit Azimuth Off Alignment Signal error
B18BA Different Version in the Left and Right Side BSI Radar Unit Signal error
B18C5 Short to GND in the Left Side BSI Radar Unit Indicator Circuit Signal error
B18C6 Short to Power in the Left Side BSI Radar Unit Indicator Circuit Signal error
B18C7 Open in the Left Side BSI Radar Unit Indicator Circuit Signal error
B18DB Left Side BSI Radar Unit Received The Audio/Navigation Unit Failure Information Signal error
B18EA Left Side BSI Radar Unit Received PCM (A/T System) Failure Information Signal error
U1280 Communication Bus Line Error (Bus-Off) Loss of communication
U1281 Left Side BSI Radar Unit Lost Communication With MICU Loss of communication
U128D Left Side BSI Radar Unit Lost Communication With Gauge Control Module Loss of communication
U1297 Left Side BSI Radar Unit Lost Communication With Right Side BSI Radar Unit Loss of communication

Right Side BSI Radar Unit 

DTC Description DTC Type
B1E51 Right Side BSI Radar Unit Internal Circuit Error Internal error
B1E55 Right Side BSI Radar Unit Temperature High Signal error
B1E64 Right Side BSI Radar Unit Dirty Signal error
B1E68 Right Side BSI Radar Unit Azimuth Off Alignment Signal error
B1E6A Different Version in the Left and Right Side BSI Radar Unit Signal error
B1E75 Short to GND in the Right Side BSI Radar Unit Indicator Circuit Signal error
B1E76 Short to Power in the Right Side BSI Radar Unit Indicator Circuit Signal error
B1E77 Open in the Right Side BSI Radar Unit Indicator Circuit Signal error
B1E9A Right Side BSI Radar Unit Received PCM (A/T System) Failure Information Signal error
U1280 Communication Bus Line Error (Bus-Off) Loss of communication
U1281 Right Side BSI Radar Unit Lost Communication With MICU Loss of communication
U128D Right Side BSI Radar Unit Lost Communication With Gauge Control Module Loss of communication
U128F Right Side BSI Radar Unit Lost Communication With Left Side BSI Radar Unit Loss of communication

Front Seat Heater Control Unit 

DTC Description DTC type
B1C55 Driver's heater thermistor circuit open Signal error
B1C56 Driver's heater thermistor circuit short Signal error
B1C57 Passenger's heater thermistor circuit open Signal error
B1C58 Passenger's heater thermistor circuit short Signal error
B1C60 Driver's heater current abnormal high Signal error
B1C61 Driver's heater current abnormal low Signal error
B1C62 Passenger's heater current abnormal high Signal error
B1C63 Passenger's heater current abnormal low Signal error
B1C68 Driver's heater not heating Signal error
B1C69 Passenger's heater not heating Signal error
B1C70 Driver's main heater switch failure Signal error
B1C71 Passenger's main heater switch failure Signal error
U1064 Seat heater control unit lost communication with climate control unit (front seat) Loss of communication
U1280 Seat heater control unit communication bus line error (BUS-OFF) (front seat) Loss of communication

Wireless Charger 

DTC Description DTC type
B22A0 Wireless charger unit failure Internal error
B22A1 Wireless charger unit ACC input circuit failure Signal error
U1280 Communication bus line error (BUS-OFF) Loss of communication
U1281 Wireless charger unit lost communication with MICU Loss of communication
U1286 Wireless charger unit lost communication with keyless access control unit Loss of communication
U128D Wireless charger unit lost communication with gauge control module Loss of communication
U128E Wireless charger unit lost communication with audio-navigation unit Loss of communication