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Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 258 (Transfer Case) >> 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 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
DTC Display item Malfunction detected condition Possible cause
U1000 CAN COMM CIRCUIT AWD control unit is not transmitting/receiving CAN communication signal for 2 seconds or more. CAN communication error
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