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Home >> Infiniti >> 2015 >> QX80 Base, AWD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Control System (Air LEVELIZER Control System) >> DTC/Circuit Diagnosis >> DTC C1806: VHCL Height Sen Fix >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC Display item Malfunction detected condition Possible cause
C1806 VHCL HEIGHT SEN FIX The signal voltage of the vehicle height sensor does not change for cumulated time of 100 hours under the condition that the air levelizer control module outputs sensor voltage (4.5 - 5.5 V) with vehicle speeds 2 km/h (2 MPH) or more.
  • Harness or connector
  • Vehicle height sensor