DTC Description: Notes
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
The aftertreatment intake NOx (nitrogen oxides) sensor is a smart device that communicates with the ECM via the CAN2 communication lines. The aftertreatment intake NOx sensor performs internal diagnostics and reports malfunctions back to the ECM using the CAN2 communication lines. The NOx sensor is permanently attached to the NOx control module. They are serviced as a single component and cannot be replaced individually. The aftertreatment intake NOx sensor is used to measure the NOx emissions at the intake of the aftertreatment system.