Section 31 (Smart Access System W/ Push-Button Start (Start Function) (Diagnostic Codes & Symptom Tests (1 Of 2)) (Hybrid))
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
- SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, HV Model)
- DTC B2271: Ignition Hold Monitor Malfunction [10/2018 - ]
- DTC B2274: ACC Monitor Malfunction [10/2018 - ]
- DTC B2275: STSW Monitor Malfunction [10/2018 - ]
- DTC B2277: Detecting Vehicle Submersion [10/2018 - ]
- DTC B2278: Engine/Power Switch Malfunction [10/2018 - ]
- DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [10/2018 - 07/2022]
- DTC B2282: Vehicle Speed Signal Malfunction [07/2022 - ]
- DTC B2284: Brake Signal Malfunction [10/2018 - ]
- DTC B2285: Steering Lock Position Signal Circuit Malfunction [10/2018 - 07/2022]
- DTC B2285: Steering Lock Position Signal Circuit Malfunction [07/2022 - ]
- DTC B228B: System Voltage or GND Energization Malfunction [10/2018 - ]
- DTC B2779: Engine Starter Communication Malfunction [10/2018 - ]
- DTC B2781: Open / Short in Steering Lock ECU [10/2018 - 07/2022]
- DTC B2781: Open / Short in Steering Lock ECU [07/2022 - ]
- DTC B2782: Power Source Control ECU Malfunction [10/2018 - 07/2022]
- DTC B2782: Power Source Control ECU Malfunction [07/2022 - ]
- DTC B2784: Antenna Coil Open / Short [10/2018 - ]
- DTC B2788: IG2 Signal Malfunction [10/2018 - 07/2022]
- DTC B2788: IG2 Signal Malfunction [07/2022 - ]
- DTC B278A: Short to GND in Immobiliser System Power Source Circuit [10/2018 - ]
- DTC B2790: ID BOX EEPROM Malfunction [10/2018 - ]
- DTC B2799-86: Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid [10/2018 - ]
- DTC B279A-12: Engine Immobiliser System Circuit Short to Battery [10/2018 - ]
- DTC B279C-95: Engine Immobiliser System Incorrect Assembly [10/2018 - ]
- DTC B27A5: Open in Front Floor Electrical Key Oscillator Circuit [10/2018 - ]
- DTC B27A6: Open in Rear Floor Electrical Key Oscillator Circuit [10/2018 - 08/2021]
- DTC B27A7: Open in Inside Luggage Compartment Electrical Key Oscillator Circuit [10/2018 - ]
- DTC U0140: Lost Communication with Body Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Combination Meter; DTC U0230: Lost Communication with Rear Gate Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System; DTC U1117: Lost Communication with Accessory Gateway [10/2018 - ]
- Power Source Mode does not Change to ON (IG and ACC) [10/2018 - 08/2021]