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Home >> Infiniti >> 2021 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (7 Of 7) >> Engine (ECM) >> DTC U1040: Eng Comm Circuit >> DTC Description >> Fail-Safe

DTC Description: Fail-Safe

Engine Control System 

Fail safe mode

Vehicle behavior

Device fix mode
  • Fixes electric intake valve timing control motor in the reference position.
  • Fixes exhaust valve timing control solenoid valve in the reference position.

Others

ECM operates active grille shutter to fully-open position.

Hybrid Control System 

Not applicable

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