B20db-54: Nissan

In Nissan's diagnostic hierarchy, this code is typically generated by the .

When a Nissan vehicle triggers the B20DB-54 code, drivers may notice several performance issues related to the exterior lighting and chassis systems:

Once the calibration is successful, clear the fault code and restart the vehicle to verify that the headlights perform their "startup dance" (moving up and down) correctly.

The code is rarely a sign of a mechanical engine failure and is almost always electrical or software-related:

Specifically indicates "Missing Calibration" or that the system is "Not Configured" .

Nissan X-Trail III (t32) дизель, 1,6 л, 2015 года | своими руками