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Home >> Toyota >> 2017 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Steering >> Steering Control Systems >> Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Circuit Tests (Model Code: ZRE172) >> LANE DEPARTURE ALERT SYSTEM (W/ Steering Control) >> DTC C1A71: Power Steering Control Torque [08/2016 - ] >> Description
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DTC C1A71: Power Steering Control Torque [08/2016 - ]: 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 ignition switch is turned to ON, 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