WARNING: This page is about a different car, the 2019 Nissan Armada and 2018 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
DTC
Trouble diagnosis name
DTC detecting condition
U1010
CONTROL UNIT (CAN)
[Control unit (CAN)]
If driver assistance buzzer control module detects malfunction by CAN controller initial diagnosis