DTC Detection Logic
WARNING: This page is about a different car, the 2012 Infiniti QX56 and 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
MALFUNCTION DETECTED CONDITION AND POSSIBLE CAUSE
| DTC | Display itemI | 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. |
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