The most common cause; the IPDM E/R was replaced or reset and the "Height Sensor Initialization" procedure was never performed.
Low battery voltage or a recent jump-start can sometimes corrupt the configuration data in the IPDM E/R. Step-by-Step Diagnostic & Repair
Specifically indicates "Missing Calibration" or that the system is "Not Configured" . Nissan B20db-54
Because height data is crucial for Advanced Driver Assistance Systems (ADAS), features like Intelligent Cruise Control or the Around View Monitor may be disabled. Root Causes
Headlights may automatically dip to their lowest position (a "fail-safe" mode) to prevent blinding other drivers, severely reducing nighttime visibility. The most common cause; the IPDM E/R was
This code appears when the vehicle's automatic headlight leveling system or advanced suspension height sensors have not been properly initialized or calibrated following a repair, battery disconnect, or module replacement.
A physical failure of the height sensor (often located on the rear axle) can prevent the system from completing its self-check. Because height data is crucial for Advanced Driver
For detailed wiring diagrams and specific sensor locations, you can refer to the Nissan X-Trail Service Manual or the Nissan DTC Diagnosis Guide .