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 |
|---|---|---|---|
| U300F | Ignition Input Accessory | 22 | Network |
| U3010 | Ignition Input Start | 24 | Network |
| U3011 | Ignition Input Off | 23 | Network |
| U3012 | Control Module Improper Wake-up Performance | 12 | Network |
| U3013 | Control Module Input Power C Circuit/Open | 6 | Network |
| U3014 | Control Module Input Power D Circuit/Open | 5 | Network |
| U3015 | Control Module Ground C | 6 | Network |
| U3016 | Control Module Ground D | 4 | Network |
| U3017 | Control Module Timer/Clock Performance | 13 | Network |
| U3018 | Control Module Input Power Circuit A/B Correlation | 11 | Network |
| U3019 | Control Module Input Power Circuit B/C Correlation | 11 | Network |
| U301A | Control Module Wake-up Circuit A/Open | 3 | Network |
| U301B | Control Module Wake-up Circuit A Low | 3 | Network |
| U301C | Control Module Wake-up Circuit A High | 4 | Network |
| U301D | Control Module Wake-up Circuit A Performance | 4 | Network |
| U301E | Control Module Wake-up Circuit B/Open | 3 | Network |
| U301F | Control Module Wake-up Circuit B Low | 3 | Network |
| U3020 | Control Module Wake-up Circuit B High | 6 | Network |
| U3021 | Control Module Wake-up Circuit B Performance | 3 | Network |
| U3022 | Ignition Input Accessory/Off | 9 | Network |
| U3500 | Control Module Input Power A Circuit Range/Performance | 5 | Network |
| U3501 | Control Module Input Power A Circuit Low | 12 | Network |
| U3502 | Control Module Input Power A Circuit High | 11 | Network |
| U3503 | Control Module Input Power A Circuit Intermittent/Erratic | 4 | Network |
| U3504 | Control Module Input Power B Circuit Range/Performance | 4 | Network |
| U3505 | Control Module Input Power B Circuit Low | 12 | Network |
| U3506 | Control Module Input Power B Circuit High | 10 | Network |
| U3507 | Control Module Input Power B Circuit Intermittent/Erratic | 3 | Network |
| U3508 | Control Module Input Power C Circuit Range/Performance | 4 | Network |
| U3509 | Control Module Input Power C Circuit Low | 10 | Network |
| U350A | Control Module Input Power C Circuit High | 10 | Network |
| U350B | Control Module Input Power C Circuit Intermittent/Erratic | 3 | Network |
| U350C | Control Module Cooling Fan Circuit/Open | 3 | Network |
| U350D | Control Module Cooling Fan Circuit Low | 3 | Network |
| U350E | Control Module Cooling Fan Circuit High | 3 | Network |
| U350F | Control Module Cooling Fan Circuit Range/Performance | 3 | Network |
| U3510 | Control Module Missing Calibration | 5 | Network |
| U3511 | High voltage system interlock circuit 'B' | 5 | Network |
| U3512 | High voltage system interlock circuit 'B' performance | 5 | Network |
| U3513 | High voltage system interlock circuit 'B' low | 5 | Network |
| U3514 | High voltage system interlock circuit 'B' high | 5 | Network |
| U3515 | High voltage system interlock circuit 'C' | 4 | Network |
| U3516 | High voltage system interlock circuit 'C' performance | 4 | Network |
| U3517 | High voltage system interlock circuit 'C' low | 4 | Network |
| U3518 | High voltage system interlock circuit 'C' high | 3 | Network |
| U3519 | High voltage system interlock circuit 'D' | 3 | Network |
| U351A | High voltage system interlock circuit 'D' performance | 3 | Network |
| U351B | High voltage system interlock circuit 'D' low | 3 | Network |
| U351C | High voltage system interlock circuit 'D' high | 3 | Network |
| U351D | High voltage system interlock circuit 'E' | 3 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.