Section 44 (Hybrid Control System (Diagnostic Codes (5 Of 5) & Circuit Tests))
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.
- Hybrid Control System
- DTC U029A-87: Lost Communication with Hybrid/EV Battery Sensor Module Missing Message [10/2018 - ]
- DTC U0424-81: HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received [10/2018 - ]
- Brake Override System [10/2018 - ]
- Transmission Control Switch Circuit [10/2018 - ]
- Shift Paddle Switch Circuit [10/2018 - ]
- Pattern Select Switch EV Mode Circuit [10/2018 - ]
- Pattern Select Switch Sport Mode Circuit [10/2018 - 07/2022]
- Pattern Select Switch Sport Mode Circuit [07/2022 - ]
- Pattern Select Switch Eco Mode Circuit [10/2018 - 07/2022]
- Pattern Select Switch Eco Mode Circuit [07/2022 - ]
- Indicator Circuit [10/2018 - ]
- Drive Start Control [10/2018 - ]
- ECU Power Source Circuit [10/2018 - ]
- Motor Resolver Circuit [10/2018 - ]
- Motor High-voltage Circuit [10/2018 - ]
- Generator Resolver Circuit [10/2018 - ]
- Generator High-voltage Circuit [10/2018 - ]
- Rear Motor Resolver Circuit [10/2018 - ]
- Rear Motor High-voltage Circuit [10/2018 - ]
- Shut Down Signal Circuit [10/2018 - ]
- Rear Shut Down Signal Circuit [10/2018 - ]
- Inverter Low-voltage Circuit [10/2018 - ]
- Rear Inverter Low-voltage Circuit [10/2018 - ]
- HV Battery High-voltage Line Circuit [10/2018 - ]
- Cooling System [10/2018 - ]
- Rear Cooling System [10/2018 - ]