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.
Check continuity between terminals of the stop lamp switch.
Condition
Terminal No.
Continuity
Brake pedal depressed
4 -3
Yes
Brake pedal released
No
Check stop lamp switch after adjusting brake pedal.