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Home >> Lexus >> 2017 >> IS 200t Base >> 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 C1A75: Lost Communication with Steering Vibrator System [10/2016 - 09/2020] >> Description

DTC C1A75: Lost Communication with Steering Vibrator System [10/2016 - 09/2020]: Description

The forward recognition camera communicates with the steering vibration ECU via LIN communication.

If a communication error between the forward recognition camera and steering vibration ECU is detected, DTC C1A75 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A75 Lost Communication with Steering Vibrator System When all of the following conditions are met:
  • The vehicle speed is 5 km/h (4 mph) or more.
  • The lane departure alert system is on.
  • A LIN communication error between the forward recognition camera and steering vibration ECU is detected for 5 minutes or more.
  • Forward recognition camera
  • Steering vibration ECU
  • Spiral cable sub-assembly
  • Wire harness or connector