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DTC Detection Logic

WARNING: This page is about a different car, the 2008 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

CONSULT-III display description DTC Detection Condition Possible cause
CAN COMM CIRCUIT [U1000] When IPDM E/R cannot communicate CAN communication signal continuously for 2 seconds or more In CAN communication system, any item (or items) of the following listed below is malfunctioning.
  • Receiving (TCM)
  • Receiving (ECM)
  • Receiving (BCM)
  • Receiving (Combination meter)