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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC U0401: ECM Can Circuit 1 Error Signal >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX80. However, it is still accessible from the selected car via links, so may be relevant.
DTC
(On board display)		 Trouble diagnosis name DTC detecting condition
U0401
(120)		 ECM CAN CIR1
(ECM CAN circuit1)		 If ADAS control unit detects an error signal that is received from ECM via CAN communication
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