Network Communication DTC Troubleshooting Index(Body Electrical)
NOTE:
Record all DTCs, and sort them by DTC type using the DTC troubleshooting index, then troubleshoot the DTC(s) in this order:
- Internal error DTCs
- Loss of communication DTCs
- Signal error DTCs
Automatic Lighting Control Unit-Sensor
| DTC |
Description |
DTC type |
| B1575 |
Auto light sensor error |
Internal error |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1281 |
Auto light control unit lost communication with MICU (body control module) |
Loss of communication |
| U128D |
Auto light control unit lost communication with gauge control module |
Loss of communication |
Body Control Module
| DTC |
Description |
DTC type |
| B1002 |
BCM (body control module) internal error (EEPROM error) |
Internal error |
| B1003 |
BCM (body control module) update error |
Internal error |
| B1036 |
IG1 power supply circuit malfunction |
Signal error |
| B1038 |
IMMOBILIZER F-CAN authentication ID not received |
Signal error |
| B1039 |
IMMOBILIZER F-CAN authentication ID unmatch |
Signal error |
| B1040 |
BCM (body control module) lost communication with front wiper |
Loss of communication |
| B1041 |
Front wiper motor malfunction |
Signal error |
| B1042 |
Front wiper security line error |
Signal error |
| B1043 |
Front wiper unit internal error (EEPROM error) |
Signal error |
| B1085 |
Headlight low light source abnormality |
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 |
| B2352 |
Rain light sensor unit internal error (EEPROM error) |
Signal error |
| B2375 |
Rain sensing malfunction in rain/light sensor |
Signal error |
| B2376 |
Light sensing malfunction in rain/light sensor |
Signal error |
| U0073 |
F-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U0100 |
BCM (body control module) lost communication with ECM/PCM |
Loss of communication |
| U0122 |
BCM (body control module) lost communication with VSA/ABS |
Loss of communication |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U128D |
BCM (body control module) lost communication with gauge control module |
Loss of communication |
Driver's 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 |
| B1813 |
Lumbar support motor A pulse error (no change in pulse) |
Signal error |
| DTC |
Description |
DTC type |
| B1814 |
Lumbar support motor B pulse error (no change in pulse) |
Signal error |
| B1816 |
Left lumbar motor pulse error (no change in pulse) |
Signal error |
| B1817 |
4 direction horizontal switch failure |
Signal error |
| B1818 |
4 direction vertical switch failure |
Signal error |
| B1819 |
Toggle switch failure |
Signal error |
| B1825 |
Slide pulse error (no change in pulse for 1 second) |
Signal error |
| B1826 |
Front height (tilt) pulse error (no change in pulse for 1 second) |
Signal error |
| B1827 |
Rear height (height) pulse error (no change in pulse for 1 second) |
Signal error |
| B1828 |
Recline pulse error (no change in pulse for 1 second) |
Signal error |
| B1829 |
AT-P signal and VSP signal mismatch |
Signal error |
| B1837 |
Memory position calling timeout |
Signal error |
| B1838 |
Right bolster motor pulse error (no change in pulse) |
Signal error |
| B1839 |
Thigh support motor pulse error (no change in pulse) |
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 (tilt) switch circuit malfunction |
Signal error |
| B1847 |
Power seat rear up-down (height) switch circuit malfunction |
Signal error |
| U0199 |
Power seat control unit lost communication with PW master SW |
Loss of communication |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1281 |
Power seat control unit lost communication with MICU (body control module) (MICU frame) |
Loss of communication |
| U128D |
Lost communication with gauge control module (VSP/NE frame) |
Loss of communication |
Front Passenger's Power Seat Control Unit
| DTC |
Description |
DTC type |
| B1C02 |
Front passenger's power seat control unit internal (EEPROM) error |
Internal error |
| B1C13 |
Front passenger's lumbar support motor A pulse error (no change in pulse) |
Signal error |
| B1C14 |
Front passenger's lumbar support motor B pulse error (no change in pulse) |
Signal error |
| B1C16 |
Front passenger's left bolster motor pulse error (no change in pulse) |
Signal error |
| B1C17 |
Front passenger's 4 direction horizontal switch failure |
Signal error |
| B1C18 |
Front passenger's 4 direction vertical switch failure |
Signal error |
| B1C19 |
Front passenger's toggle switch failure |
Signal error |
| B1C25 |
Front passenger's slide pulse error (no change in pulse) |
Signal error |
| B1C26 |
Front passenger's front height (tilt) pulse error (no change in pulse) |
Signal error |
| B1C27 |
Front passenger's rear height (height) pulse error (no change in pulse) |
Signal error |
| B1C28 |
Front passenger's recline pulse error (no change in pulse) |
Signal error |
| B1C38 |
Front passenger's right bolster motor pulse error (no change in pulse) |
Signal error |
| B1C39 |
Front passenger's thigh support motor pulse error (no change in pulse) |
Signal error |
| B1C44 |
Front passenger's power seat slide switch circuit malfunction |
Signal error |
| B1C45 |
Front passenger's power seat recline switch circuit malfunction |
Signal error |
| B1C46 |
Front passenger's power seat front up-down (tilt) switch circuit malfunction |
Signal error |
| B1C47 |
Front passenger's power seat rear up-down (height) switch circuit malfunction |
Signal error |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1281 |
Front passenger's power seat control unit lost communication with MICU/BCM (body control module) |
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 |
Loss of communication |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
Gauge Control Module
| DTC |
Description |
DTC type |
| B1175 |
Fuel level sensor (fuel gauge sending unit) circuit malfunction |
Signal error |
| B1176 |
Fuel level sensor (fuel gauge sending unit) circuit short |
Signal error |
| B1192 |
Gauge control module lost communication with battery sensor ECU (LIN bus connected) |
Loss of communication |
| B1193 |
Gauge control module lost communication with steering switch (LIN bus connected) |
Loss of communication |
| B1194 |
Gauge control module lost communication with HUD unit (UART connected) |
Loss of communication |
| U0029 |
F-CAN communication line error |
Loss of communication |
| U0100 |
Gauge control module lost communication with ENG/AT |
Loss of communication |
| U0101 |
Gauge control module lost communication with AT |
Loss of communication |
| U0104 |
Gauge control module lost communication with driving support system control unit |
Loss of communication |
| U0114 |
Gauge control module lost communication with all wheel drive control module |
Loss of communication |
| U0122 |
Gauge control module lost communication with VSA modulator-control unit |
Loss of communication |
| U0127 |
Gauge control module lost communication with TPMS control unit (body control module) |
Loss of communication |
| U0128 |
Gauge control module lost communication with EPB |
Loss of communication |
| U0131 |
Gauge control module lost communication with EPS unit |
Loss of communication |
| U0132 |
Gauge control module lost communication with adaptive damper control unit |
Loss of communication |
| U0151 |
Gauge control module lost communication with SRS unit |
Loss of communication |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1281 |
Gauge control module lost communication with MICU (body control module) (MICU frame) |
Loss of communication |
| U1288 |
Gauge control module lost communication with PARKSR |
Loss of communication |
| U128F |
Gauge control module lost communication with BSI unit |
Loss of communication |
| U129C |
Gauge control module lost communication with multi purpose camera unit |
Loss of communication |
| U3000-49 |
ECU internal circuit malfunction |
Internal error |
| U3000-51 |
Reprogramming error |
Internal error |
Keyless Access Backup Control Unit (Body Control Module)
| DTC |
Description |
DTC type |
| B1926 |
Backup control antenna open or short |
Internal error |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U128D |
BCM (body control module) lost communication with gauge control module |
Loss of communication |
Keyless Access Control Unit (Body Control Module)
| DTC |
Description |
DTC type |
| B1601 |
Keyless access control unit (body control module) internal (CPU) error |
Internal error |
| B1602 |
BCM (body control module) internal error (EEPROM error) |
Internal error |
| B1627 |
RF1 unit disconnected |
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 |
| B1657 |
Rear bumper LF antenna circuit shorted |
Signal error |
| B1658 |
Rear bumper 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 shelf LF antenna circuit short |
Signal error |
| B1664 |
Rear shelf LF antenna circuit open |
Signal error |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1281 |
BCM (body control module) lost communication with BCM/MICU (body control module) |
Loss of communication |
| U128D |
BCM (body control module) lost communication with gauge control module |
Loss of communication |
Keyless Access Power Control Unit (Body Control Module)
| DTC |
Description |
DTC type |
| B12C5 |
Engine start/stop switch failure |
Signal error |
| B12D0 |
Power control unit (body control module) IG1A circuit error |
Internal error |
| B12D1 |
Power control unit (body control module) IG1B circuit error |
Internal error |
| B12D2 |
Power control unit (body control module) IG2 circuit error |
Internal error |
| B12D3 |
Power control unit (body control module) IG latch circuit error |
Internal error |
| B12E5 |
Electric steering lock connection constitution is abnormal |
Signal error |
| B12F3 |
BCM (body control module) lost communication with transmission control unit |
Loss of communication |
| U0073 |
F-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U0100 |
BCM (body control module) lost communication with ECM/PCM |
Loss of communication |
| U0122 |
BCM (body control module) lost communication with ABS/VSA |
Loss of communication |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1281 |
BCM (body control module) lost communication with BCM/MICU (body control module) |
Loss of communication |
| U128D |
BCM (body control module) lost communication with gauge control module |
Loss of communication |
Master Lighting Control Unit
| DTC |
Description |
DTC type |
| B214A |
Master lighting control unit internal failure |
Internal error |
| B214B |
Master lighting control unit internal failure |
Internal error |
| B214C |
Master lighting control unit lost communication with all ambient light on LIN |
Loss of communication |
| B214D |
Ambient light failure |
Signal error |
| B214E |
Master lighting control unit lost communication with ambient light on LIN |
Loss of communication |
| U1280 |
Master lighting control unit B-CAN communication error (BUS-OFF) |
Loss of communication |
| U1281 |
Master lighting control unit lost communication with MICU/BCM |
Loss of communication |
| DTC |
Description |
DTC type |
| U128D |
Master lighting control unit lost communication with gauge control module |
Loss of communication |
Multiplex Control Unit, Door (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 |
| B112A |
Driver's memory switch ground fault |
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 |
| B1132 |
Left rear power window motor A-phase pulse signal input error |
Signal error |
| B1133 |
Left rear power window motor B-phase pulse signal input error |
Signal error |
| B1134 |
Right rear power window motor A-phase pulse signal input error |
Signal error |
| B1135 |
Right rear power window motor B-phase pulse signal input error |
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 |
| B1147 |
Left rear window position data error |
Signal error |
| B1149 |
Right rear window position data error |
Signal error |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1281 |
Power window master switch lost communication with MICU (body control module) |
Loss of communication |
| U128D |
Power window master switch lost communication with gauge control module |
Loss of communication |
| U1299 |
Power window master switch lost communication with climate control unit |
Loss of communication |
Parking and Back-Up Sensor Control Unit
| DTC |
Description |
DTC type |
| B2600-97 |
Dust or dirt on the sensor |
Signal error |
| B2625-96 |
Front left corner sensor failure |
Signal error |
| B2626-96 |
Front left center sensor failure |
Signal error |
| B2627-96 |
Front right center sensor failure |
Signal error |
| B2628-96 |
Front right corner sensor failure |
Signal error |
| B2629-96 |
Rear left corner sensor failure |
Signal error |
| B2630-96 |
Rear left center sensor failure |
Signal error |
| B2631-96 |
Rear right center sensor failure |
Signal error |
| B2632-96 |
Rear right corner sensor failure |
Signal error |
| B2635-11 |
Short to ground in the sensor main switch indicator line |
Signal error |
| B2635-12 |
Short to power in the sensor main switch indicator line |
Signal error |
| B2637-11 |
Short to ground in the sensor power supply line |
Signal error |
| B2638-87 |
Lost communication with the front left corner sensor |
Signal error |
| B2639-87 |
Lost communication with the front left center sensor |
Signal error |
| B2640-87 |
Lost communication with the front right center sensor |
Signal error |
| B2641-87 |
Lost communication with the front right corner sensor |
Signal error |
| B2642-87 |
Lost communication with the rear left corner sensor |
Signal error |
| B2643-87 |
Lost communication with the rear left center sensor |
Signal error |
| B2644-87 |
Lost communication with the rear right center sensor |
Signal error |
| B2645-87 |
Lost communication with the rear right corner sensor |
Signal error |
| DTC |
Description |
DTC type |
| U0029-00 |
F-CAN malfunction (BUS-OFF) |
Loss of communication |
| U0101-00 |
Lost communication with the PCM/TCM |
Loss of communication |
| U0122-00 |
Lost communication with the VSA modulator-control unit |
Loss of communication |
| U0155-00 |
Lost communication with the gauge control module |
Loss of communication |
| U0416-9A |
Invalid data received from VSA modulator-control unit |
Receiving malfunction information |
| U0416-F8 |
(VSA modulator-control unit malfunction) |
Receiving malfunction information |
| U0423-68 |
(Invalid data received from gauge control module) |
Receiving malfunction information |
| U3000-49 |
Parking and back-up sensor control unit internal electronic failure |
Internal error |
Power Distribution Module
| DTC |
Description |
DTC type |
| B1052 |
Relay control module (power distribution module) internal (EEPROM) error |
Internal error |
| B1075 |
Headlight switch malfunction |
Signal error |
| B108A |
Right side parking light circuit shorted |
Signal error |
| B108B |
Left side parking light circuit shorted |
Signal error |
| B108C |
Right side headlight low beam circuit shorted |
Signal error |
| B108D |
Left side headlight low beam circuit shorted |
Signal error |
| B1090 |
Illumination circuit shorted |
Signal error |
| B1091 |
DRL circuit shorted |
Signal error |
| B1092 |
Interior light cut circuit shorted |
Signal error |
| B1093 |
Front fog light control current overload failure |
Signal error |
| B26A0 |
Front heat seat control current overload failure |
Signal error |
| B26A1 |
Short to ground in rear seat heater circuit |
Signal error |
| B26A2 |
AC clutch control current overload failure |
Signal error |
| B26A3 |
Front blower current overload failure |
Signal error |
| B26AB |
Ignition coil control current overload failure |
Signal error |
| B26AE |
Horn current overload failure |
Signal error |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1291 |
Semiconductor fuse relay module lost communication with relay control module |
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 (ventilated seat control unit) lost communication with climate control unit |
Loss of communication |
| U1280 |
B-CAN communication bus line error (BUS-OFF) |
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 |
B-CAN communication bus line error (BUS-OFF) |
Loss of communication |
| U1281 |
Wireless charger unit lost communication with MICU (body control module) |
Loss of communication |
| U1286 |
Wireless charger unit lost communication with keyless access control unit (body control module) |
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 (gauge control module) |
Loss of communication |