Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 290 (Engine Control System - DTCS U0101 Through P0153) >> DTC U1001: Can Comm Circuit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
U1001 CAN COMM CIRCUIT (CAN communication line) When ECM is not transmitting or receiving CAN communication signal other than OBD (emission related diagnosis) for 2 seconds or more.
  • Harness or connectors (CAN communication line is open or shorted)
scientia non olet · About Mike's Workshop Manuals