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Home >> Lexus >> 2022 >> RX 350 Base, AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1A47: Steering Angle Sensor [09/2015 - 08/2019] >> Description
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DTC C1A47: Steering Angle Sensor [09/2015 - 08/2019]: Description

The driving support ECU assembly receives steering angle information from the steering sensor. If the driving support ECU assembly detects a steering sensor malfunction, DTC C1A47 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A47 Steering Angle Sensor While the vehicle is being driven at a speed of 50 km/h (32 mph) or more, the driving support ECU assembly receives a steering sensor malfunction signal continuously for 1 second or more.
  • Vehicle stability control system
  • Skid control ECU (Brake actuator assembly)
  • Driving support ECU assembly