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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 P1805: Brake Switch >> DTC Description >> Fail-Safe

DTC Description: Fail-Safe

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DTC No.

Detected items

Engine operating condition in fail-safe mode

P1805

Brake switch

ECM controls the electric throttle control actuator by regulating the throttle opening to a small range.

Therefore, acceleration will be poor.

Vehicle condition

Driving condition

When engine is idling

Normal

When accelerating

Poor acceleration