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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis (Single Page) >> Suspension >> Suspension Control Systems >> Suspension Control System (DTCS) >> E-Sus(Air LEVELIZER Control Module) >> DTC C1801: VHCL Height Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

Display item

Malfunction detected condition

Possible cause

C1801

VHCL HEIGHT SENSOR

Signal voltage of the vehicle height sensor remains 0.2 V or less or 4.6 V or more continuously for 60 seconds during sensor voltage (4.5 - 5.5 V) output by the air levelizer control module.

  • Harness or connectors

    (Sensor circuit is open.)

  • Vehicle height sensor
  • Air levelizer control module
  • Rear suspension component parts