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Home >> Lexus >> 2019 >> UX 200 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostic Codes & Circuit Tests) (Except Hybrid) >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for Gasoline Model) >> DTC U0318-57: Software Incompatibility with Brake System Control Module Invalid/Incompatible Software Component [10/2018 - 07/2022] >> Description

DTC U0318-57: Software Incompatibility with Brake System Control Module Invalid/Incompatible Software Component [10/2018 - 07/2022]: Description

If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the skid control ECU (brake actuator assembly), the forward recognition camera stores DTC U031857.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Note
U031857 Software Incompatibility with Brake System Control Module Invalid/Incompatible Software Component The vehicle information sent from the skid control ECU (brake actuator assembly) does not match that stored in the forward recognition camera.
  • Electronically controlled brake system
  • Forward recognition camera
Does not come on Radar Cruise2 -