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Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Dynamic Radar Cruise Control System - Diagnostic Codes & Circuit Tests >> Dynamic Radar Cruise Control System >> DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed; DTC U0300-57: Internal Control Module Software Incompatibility Invalid/Incompatible Software Component [12/2021 - ] >> Description
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DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed; DTC U0300-57: Internal Control Module Software Incompatibility Invalid/Incompatible Software Component [12/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
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 (Conv/HV/EV) sent from the ECM and vehicle information (Conv/HV/EV) sent from the forward recognition camera for approximately 3 seconds or more. Pre-collision system Radar Cruise 2 B
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 (Conv/HV/EV) sent from the ECM does not match the vehicle information stored by the forward recognition camera for approximately 1 second or more. Pre-collision system Radar Cruise 2 B