LEXUS fault codes
Coverage shown is Toyota data: 12,945 codes · 876 vehicle records · 1,973 ECU records · 43,462 live-data parameters.
LEXUS shares fault-code data with Toyota. Data may not cover LEXUS-specific systems.
Codes 12,945
| Code | Description | Brands | System |
|---|---|---|---|
| U1102 | F-CAN malfunction (bus off) | 30 | Network |
| U1103 | Production mode active | 31 | Network |
| U1104 | Transport mode | 30 | Network |
| U1105 | No communication with the steering angle sensor | 25 | Network |
| U1106 | Customer service mode active | 23 | Network |
| U1107 | Lost communication with hybrid power management electronic control unit 1 | 24 | Network |
| U1108 | No communication with engine control unit | 23 | Network |
| U1109 | No communication with automatic transmission electronic control unit | 23 | Network |
| U110A | Lost communication with CAN C - message missing | 6 | Network |
| U110B | No description available | 9 | Network |
| U110E | Outside air temperature sensor communication malfunction | 7 | Network |
| U110F | LOST COMM(ECM) | 4 | Network |
| U1110 | Communication failure with the transmission electronic control unit | 28 | Network |
| U1111 | Lost communication (IDM) | 30 | Network |
| U1112 | Function restriction due to implausible message(s) | 30 | Network |
| U1113 | Valid except model 177 | 26 | Network |
| U1114 | Inter-system CAN | 22 | Network |
| U1115 | CGW CAN timeout/Not equipped | 17 | Network |
| U1116 | KOS CAN timeout/Not equipped | 25 | Network |
| U1117 | Lost communication (ABS) | 25 | Network |
| U1118 | Communication failure with Built-in System Interface (BSI) | 23 | Network |
| U1119 | Lost communication (multi display) | 15 | Network |
| U111A | REAR CAMERA IMAGE SIGNAL | 11 | Network |
| U111C | BMU CAN timeout | 5 | Network |
| U111D | TCU1 parity error signal | 12 | Network |
| U111F | EMS not send engine spd signal | 4 | Network |
| U1120 | Lost wheel distance message | 24 | Network |
| U1121 | Communication failure with electric steering ECU | 29 | Network |
| U1122 | Data bus implausible message | 26 | Network |
| U1123 | Lost communication with LIN ECU 3 | 26 | Network |
| U1124 | SAS (CAN message) | 26 | Network |
| U1125 | Yaw rate sensor signal fault | 25 | Network |
| U1126 | EPS (CAN message) | 23 | Network |
| U1127 | 4WD (CAN message) | 22 | Network |
| U1128 | Meter (CAN message) | 24 | Network |
| U1129 | ETACS (CAN message) | 21 | Network |
| U112A | Lost communication with RL seat active headrest ECU | 6 | Network |
| U112B | EMS not send not lower torque signal | 5 | Network |
| U112C | Lost communication with P seat pre-collision seatback ECU | 4 | Network |
| U112E | Lost communication with RL seat pre-collision seatback ECU | 4 | Network |
| U112F | Lost communication with RR seat pre-collision seatback ECU | 10 | Network |
| U1130 | CAN network | 20 | Network |
| U1131 | Display (CAN message) | 21 | Network |
| U1132 | SRS airbag (CAN message) | 17 | Network |
| U1133 | LIN network | 23 | Network |
| U1134 | Lost stop/start switch 2 message | 12 | Network |
| U1135 | Valid except code 200 | 20 | Network |
| U1136 | KOS (CAN message) | 22 | Network |
| U1137 | Invalid or missing data for telltales | 15 | Network |
| U1138 | 4WD CAN timeout | 16 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.