FixVault

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