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.
NOTE:
If DTC U02A2-00 is displayed with this DTC, first perform the trouble diagnosis for other DTC.
- U02A2-00 present. Refer to DTC Description .
The after treatment diesel exhaust fluid quality sensor is a smart device that communicates to the ECM via CAN communication. The after treatment diesel exhaust fluid quality sensor performs its own internal diagnostics and reports malfunctions back to the engine control module via CAN communication. The after treatment diesel exhaust fluid quality sensor is used to measure the concentration of the after treatment diesel exhaust fluid in the tank.