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.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
U1000
CAN COMM CIRCUIT
(CAN communication circuit)
When CAN communication signal is not continuously transmitted or received for 2 seconds or more.