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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1236 To P2138 (Except Hybrid) >> DTC P2138: App Sensor >> DTC Description >> Fail-Safe

DTC Description: Fail-Safe

Detected items Engine operating condition in fail-safe mode
Accelerator pedal position sensor The ECM controls the electric throttle control actuator in regulating the throttle opening in order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal condition.
Therefore, the acceleration will be poor.