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Home >> Lexus >> 2021 >> GX 460 Premium >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Air Suspension System (Diagnostic Codes & Symptom Tests) >> Air Suspension System >> DTC C1784-84: Steering Sensor Signal Malfunction [08/2015 - 08/2019] >> Description

DTC C1784-84: Steering Sensor Signal Malfunction [08/2015 - 08/2019]: Description

The steering angle sensor signal is sent to the suspension control ECU through CAN communication system. When there is a communication malfunction, this DTC is stored by the diagnosis function.

DTC Code DTC Detection Condition Trouble Area
C1784/84 A steering angle sensor signal malfunction is detected, or a steering angle sensor power source malfunction signal is detected for 5 seconds or more.
  • Steering angle sensor (spiral cable sub-assembly)
  • Steering angle sensor power source circuit
  • Suspension control ECU