DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed; DTC U0300-57: Internal Control Module Software Incompatibility Invalid/Incompatible Software Component [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus RC 350, 2024 Lexus RC 300, 2023 Lexus RC 350, and 2023 Lexus RC 300. However, it is still accessible from the selected car via links, so may be relevant.