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DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
DTC Trouble diagnosis name DTC is detected if... Possible cause
U1000 CAN Communication Line TCM is not transmitting or receiving CAN communication signal for 2 seconds or more when the ignition switch is ON.
  • Harness or connectors (CAN communication line is open or shorted.)
  • TCM
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