LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Dynamic Radar Cruise Control System - Diagnostic Codes (2 Of 2) & 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 [09/2020 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed; DTC U0300-57: Internal Control Module Software Incompatibility Invalid/Incompatible Software Component [09/2020 - ]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U0300-51 Internal Control Module Software Incompatibility Not Programmed When the engine switch is on (IG) for 3 seconds, the vehicle information sent from the ECM cannot be verified by the forward recognition camera for approximately 3 seconds or more. Pre-collision system Radar Cruise2
U0300-57 Internal Control Module Software Incompatibility Invalid/Incompatible Software Component When the engine switch is on (IG) for 3 seconds, the vehicle information sent from the ECM does not match that stored in the forward recognition camera for approximately 1 second or more. Pre-collision system Radar Cruise2