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Home >> Infiniti >> 2011 >> FX35 RWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (VQ35HR) - FX35 - DTC U0101, U0164, U1001, & P0011 Through P0133 / P0153 >> DTC U0164: Can Comm Circuit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC DETECTION CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
U0164 Lost communication with Unified meter and A/C amp. When ECM is not transmitting or receiving CAN communication signal of OBD (emission-related diagnosis) with Unified meter and A/C amp. for 2 seconds or more.
  • CAN communication line between Unified meter and A/C amp. and ECM
  • CAN communication line open or shorted
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