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DTC Detection Logic

WARNING: This page is about a different car, the 2016 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. CONSULT Screen Terms (Trouble Diagnosis Content) DTC Detection Condition
U1000 CAN COMM CIRCUIT Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signal
Threshold CAN signal failure
Diagnosis delay time 2 seconds or more