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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Suspension Control System) >> Air LEVELIZER Control System >> DTC/Circuit Diagnosis >> DTC U1000: Can Comm Circuit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti QX56 and 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
MALFUNCTION DETECTED CONDITION AND POSSIBLE CAUSE

DTC Display itemI Malfunction detected condition Possible cause
U1000 CAN COMM CIRCUIT Air levelizer control module is not transmitting or receiving CAN communication signal for 2 seconds or more.
  • Harness or connectors (CAN communication line is open or shorted.)
  • Air levelizer control module