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Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Circuit Tests >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U1104: Lost Communication with Driving Support ECU [10/2016 - 09/2020] >> Description
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DTC U0235: Lost Communication with Cruise Control Front Distance Range Sensor; DTC U1104: Lost Communication with Driving Support ECU [10/2016 - 09/2020]: Description

The forward recognition camera communicates with the driving support ECU assembly and millimeter wave radar sensor assembly via CAN communication. If there is a communication error with the driving support ECU assembly or millimeter wave radar sensor assembly, the forward recognition camera stores DTC U0235 or U1104.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0235 Lost Communication with Cruise Control Front Distance Range Sensor 2 seconds after the engine switch is turned on (IG), a communication error between the millimeter wave radar sensor assembly and the forward recognition camera is detected for approximately 5 seconds.
  • CAN communication system
  • Millimeter wave radar sensor assembly
  • Forward recognition camera
U1104 Lost Communication with Driving Support ECU 2 seconds after the engine switch is turned on (IG), a communication error between the driving support ECU assembly and the forward recognition camera is detected for approximately 5 seconds.
  • CAN communication system
  • Driving support ECU assembly
  • Forward recognition camera