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Home >> Lexus >> 2019 >> GS 350 Base, RWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1A47: Steering Angle Sensor [09/2014 - 10/2015] >> Description
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DTC C1A47: Steering Angle Sensor [09/2014 - 10/2015]: Description

The skid control ECU receives steering rotation angle information from the spiral cable sub-assembly, and sends the information to the driving support ECU through the CAN communication line.

When DTC C1A47 is detected, DTC C1231 is also output from the "ABS/VSC/TRAC".

DTC Code DTC Detection Condition Trouble Area
C1A47 While the vehicle speed is 50 km/h (31 mph) or more, a steering angle sensor malfunction signal is received from the brake actuator assembly (skid control ECU) for 2 seconds or more.
  • Vehicle stability control system
  • Driving support ECU