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Home >> Infiniti >> 2013 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Driver Assistance System (ADAS Control Unit)) >> DTC/Circuit Diagnosis >> DTC U1000: Can Comm Circuit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti QX56. 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 Possible causes
U1000 (100) CAN COMM CIRCUIT If ADAS control unit is not transmitting or receiving CAN communication signal or ITS communication signal for 2 seconds or more
  • CAN communication system
  • ITS communication system
NOTE: If "U1000" is detected, first diagnose the CAN communication system.
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