LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> NX 300 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Symptom Tests >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> DTC C1A71: Power Steering Control Torque [10/2014 - 09/2017] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A71: Power Steering Control Torque [10/2014 - 09/2017]: Description

This DTC is stored when the lane departure warning camera receives a malfunction signal from the power steering ECU.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A71 Power Steering Control Torque
  • 2 seconds elapse after turning the engine switch on (IG).
  • The IG voltage is 10 V or higher.
  • 2 seconds elapse after the IG voltage is 10 V or higher.
  • Malfunction Status: This DTC is stored when the power steering ECU assembly detects a torque request signal from the lane departure warning camera, the power steering ECU assembly sends a malfunction flag and the lane departure warning camera continuously receives a malfunction signal for 5 seconds or more.
  • Power steering system
  • Power steering ECU assembly
  • Lane departure warning camera