DTC Detection Logic

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 monitor checks whether the DEF tank is low, very low, or empty.

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P203F-00	DEF TANK LEVEL	Diagnosis condition	Ignition switch ON or the engine is running
		Signal (terminal)	DEF tank level sensor signal
		Threshold	Stage 1: DEF tank level low (22% - 65%). Stage 2: DEF tank level very low (19% - 35%). Stage 3: DEF tank level empty (0%).
		Diagnosis delay time	-