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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 TROUBLE CODE CHART

DTC Code Detection Condition Trouble Area
C1784/84 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