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Home >> Nissan-Datsun >> 2017 >> Versa Note SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 3) >> DTC/Circuit Diagnosis >> DTC U0284: Active Grille Shutter >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

NOTE:

If DTC U0284 is displayed with another DTC UXXXX, perform trouble diagnosis for DTC UXXXX first. Refer to DTC INDEX .

DTC CONSULT screen terms
(Trouble diagnosis content)		 DTC detecting condition Possible cause
U0284 LOST COMM (A/GRLL SHTTR MDL A)
(Lost communication with active grille air shutter module A)		 When ECM cannot receive the engine communication signal from active grille shutter.
  • Harness and connectors

    (Engine communication line is open or circuit shorted.)

  • Active grille shutter
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