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Home >> Infiniti >> 2019 >> QX50 Pure, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (11 Of 12) >> DTC/Circuit Diagnosis >> DTC P2563: WASTEGATE Control Valve Position Sensor >> DTC Description >> Fail-Safe
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DTC Description: Fail-Safe

Engine operating condition in fail-safe mode

Fail safe mode

Vehicle behavior

Traveling control mode

Engine output control 1

ECM reduces the engine output, according to the rise in engine speed. This reduces the vehicle speed to encourage the driver to repair malfunction.

Driving at 70 km/h (44 MPH) or more is possible.

NOTE: This value is a reference value converted from engine power to vehicle speed. Actual power limitation value differs due to the malfunctioning part and driving condition.

Device fix mode

  • This mode fixes the EVT control solenoid valve in the reference position.
  • The intake manifold runner control valve motor is turned OFF (intake manifold runner control valve opens).