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Home >> Lexus >> 2021 >> RC F 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 C1A71: Power Steering Control Torque [11/2017 - 01/2023] >> Description

DTC C1A71: Power Steering Control Torque [11/2017 - 01/2023]: Description

If the power steering ECU assembly detects an abnormality in the steering torque requested by the forward recognition camera, the power steering ECU assembly sends a malfunction signal to the forward recognition camera, and DTC C1A71 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A71 Power Steering Control Torque 2 seconds after the engine switch is turned on (IG), a malfunction signal from the power steering ECU assembly is detected by the forward recognition camera for 5 seconds or more.
  • Power steering system
  • Forward recognition camera
  • Power steering ECU assembly