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DTC C1784: Steering Angle Sensor Communication Error: Description

The steering angle sensor signal is sent to the suspension control ECU through the CAN communication system. When there is a communication malfunction, it will be detected by the diagnosis function.

DTC Code Detection Condition Trouble Area
C1784 Steering angle sensor signal malfunction is detected, or steering angle sensor power malfunction signal is detected for 5 seconds or more
  • Steering angle sensor
  • Steering angle sensor power source circuit
  • Suspension control ECU