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Home >> Nissan-Datsun >> 2019 >> 370Z Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 3) >> Engine (ECM) >> DTC U1024: Can Comm Circuit >> DTC Description >> Except for the models from USA 19MY, CANADA 19MY >> 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 Description .

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