DTC Detection Logic

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to DTC Logic or DTC Logic .

DTC	Items (CONSULT screen terms)	Diagnostic item is detected when...	Possible cause
B2636	DR VENT DOOR FAIL	When the malfunctioning door position is detected at VENT position	Front mode door motor Front mode door motor control linkage installation condition Front air control Harness and connector (LIN communication line is open or shorted)
B2637	DR B/L DOOR FAIL	When the malfunctioning door position is detected at B/L position
B2638	DR D/F1 DOOR FAIL	When the malfunctioning door position is detected at FOOT position
B2639	DR DEF DOOR FAIL	When the malfunctioning door position is detected at DEF position
B2654	D/F2 DOOR FAIL	When the malfunctioning door position is detected at D/F position