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Home >> Toyota >> 2019 >> Mirai >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Lane Control System - Diagnostic Codes & Circuit Tests >> Lane Control System >> DTC U0300-57: Internal Control Module Software Incompatibility Invalid / Incompatible Software Component [11/2018 - ] >> Description
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DTC U0300-57: Internal Control Module Software Incompatibility Invalid / Incompatible Software Component [11/2018 - ]: Description

The forward recognition camera receives the vehicle information from the EV Control ECU via CAN communication.

If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the EV Control ECU, the forward recognition camera stores DTC U0300-57.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0300-57 Internal Control Module Software Incompatibility Invalid / Incompatible Software Component While the lane control system is on, vehicle information sent from the EV Control ECU does not match that stored in the forward recognition camera. Front camera system