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Home >> Toyota >> 2017 >> Sienna LE, AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> Diagnostic Codes >> DTC C1A47: Steering Angle Sensor [12/2015 - 11/2017] >> Description
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DTC C1A47: Steering Angle Sensor [12/2015 - 11/2017]: Description

The skid control ECU receives steering rotation angle information from the steering angle sensor, and sends the information to the driving support ECU through the CAN communication line.

If the skid control ECU detects a malfunction of the steering angle sensor, it sends a malfunction signal to the driving support ECU and records a DTC.

DTC No. DTC Detection Condition Trouble Area
C1A47 When the vehicle speed is 50 km/h (30 mph) or more, a steering angle sensor malfunction signal is received from the skid control ECU.
  • Vehicle stability control system
  • Driving support ECU