DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed; DTC U0300-57: Internal Control Module Software Incompatibility Invalid / Incompatible Software Component [05/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus LC 500h. However, it is still accessible from the selected car via links, so may be relevant.
- The forward recognition camera receives vehicle information (Conv/HV/EV) from the hybrid vehicle control ECU assembly via the CAN communication line.
- When the forward recognition camera is unable to determine the vehicle information (Conv/HV/EV) from the vehicle information (Conv/HV/EV) sent from the hybrid vehicle control ECU assembly, the forward recognition camera outputs U0300-51.
- When the vehicle information (Conv/HV/EV) sent from the hybrid vehicle control ECU assembly 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 | DTC Output from |
|---|---|---|---|---|
| U0300-51 | Internal Control Module Software Incompatibility Not Programmed | Once 3 seconds elapse after turning the power switch on (IG), the system is unable to determine the vehicle information (Conv/HV/EV) sent from the hybrid vehicle control ECU assembly and vehicle information (Conv/HV/EV) sent from the forward recognition camera for approximately 3 seconds or more. |
|
Pre-Collision System |
| U0300-57 | Internal Control Module Software Incompatibility Invalid / Incompatible Software Component | Once 3 seconds elapse after turning the power switch on (IG), the vehicle information (Conv/HV/EV) sent from the hybrid vehicle control ECU assembly does not match the vehicle information stored by the forward recognition camera for approximately 1 second or more. |
|
Pre-Collision System |