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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Automatic Drive Positioner) >> 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 No. CONSULT display description DTC detecting condition Possible cause
U1000 CAN COMM CIRCUIT
  • Driver seat control unit cannot communicate to other control units.
  • When driver seat control unit cannot communicate CAN communication signal continuously for 2 seconds or more.
 CAN communication system
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