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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (5 Of 6)) >> DTC/Circuit Diagnosis >> DTC P2122: App Sensor >> DTC Description >> Fail-Safe

DTC Description: Fail-Safe

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DTC No.

Detected items

Engine operating condition in fail-safe mode

P2122

P2123

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.