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 after treatment outlet NOx (nitrogen oxides) sensor is a smart device that communicates with the ECM via the CAN 2 communication lines. The after treatment outlet NOx sensor performs internal diagnostics and reports malfunctions back to the ECM using the CAN 2 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 after treatment outlet NOx sensor is used to measure the NOx emissions at the outlet of the after treatment system.