DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed; DTC U0300-57: Internal Control Module Software Incompatibility Invalid/Incompatible Software Component [11/2021 - ]: Description
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2024 Lexus IS 500, 2024 Lexus IS 350, 2024 Lexus IS 300, 2023 Lexus IS 500, and 2023 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
The forward recognition camera receives vehicle information from the ECM via the CAN communication line.
When the forward recognition camera is unable to determine the vehicle information from the vehicle information sent from the ECM, the forward recognition camera outputs U0300-51.
When the vehicle information sent from the ECM does not match the vehicle information stored by the forward recognition camera, the forward recognition camera outputs U0300-57.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0300-51 | Internal Control Module Software Incompatibility Not Programmed | The forward recognition camera cannot confirm the vehicle information from the ECM. |
|
| U0300-57 | Internal Control Module Software Incompatibility Invalid/Incompatible Software Component | The vehicle information from the ECM and that stored in the forward recognition camera do not match. |
|