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Home >> Infiniti >> 2012 >> G37 IPL, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 77 (Engine Control System - DTCS U0101 Through P0153 (Sedan)) >> DTC U0164: Can Comm Circuit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

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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 is open or shorted)
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