Carbon deposits jamming the internal turbo vanes (most common in diesels).
The code on a Nissan is an OBD-II diagnostic trouble code that typically refers to an issue with the variable geometry turbocharger (VGT) control system, specifically a calibration or "initialization" error with the VGT actuator . nissan p155b-00
: A failed battery current sensor unit located on the negative battery terminal. Wiring Issues Carbon deposits jamming the internal turbo vanes (most