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

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

The steering 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 No. Detection Item DTC Detection Condition Trouble Area Warning Indicate
C1784 Steering Sensor Signal Malfunction A steering sensor signal malfunction is detected, or a steering sensor power source malfunction signal is detected for 5 seconds or more.
  • Steering sensor (spiral cable sub-assembly)
  • Steering sensor power source circuit
  • Suspension control ECU
Not indicated