DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed; DTC U0300-57: Internal Control Module Software Incompatibility Invalid / Incompatible Software Component [07/2020 - 10/2022]: Description

The forward recognition camera receives vehicle information (Powertrain Type) from the hybrid vehicle control ECU via the CAN communication line.
When the forward recognition camera is unable to determine the vehicle information (Powertrain Type) from the vehicle information (Powertrain Type) sent from the hybrid vehicle control ECU, the forward recognition camera outputs U0300-51.
When the vehicle information (Powertrain Type) sent from the hybrid vehicle control ECU 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	Once 3 seconds elapse after turning the ignition switch to ON, the system is unable to determine the vehicle information (Powertrain Type) sent from the hybrid vehicle control ECU and vehicle information (Powertrain Type) sent from the forward recognition camera for approximately 3 seconds or more	Hybrid control system Forward recognition camera Hybrid vehicle control ECU
U0300-57	Internal Control Module Software Incompatibility Invalid / Incompatible Software Component	Once 3 seconds elapse after turning the ignition switch to ON, the vehicle information (Powertrain Type) sent from the hybrid vehicle control ECU does not match the vehicle information stored by the forward recognition camera for approximately 1 second or more	Hybrid control system Forward recognition camera Hybrid vehicle control ECU