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Home >> Infiniti >> 2015 >> QX50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Diagnostic Trouble Codes (DTCS) U0101-P0021) >> DTC/Circuit Diagnosis >> DTC U1024: Can Comm Circuit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:

If DTC U1024 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607.

Refer to DTC LOGIC .

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
U1024 VVEL CAN communication
  • When VVEL control module cannot transmit/receive can communication signal from ECM.
  • When detecting error during the initial diagnosis of CAN controller of VVEL control module.
  • Harness or connectors

    (CAN communication line is open or shorted)

  • ECM
  • VVEL control module