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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (3 Of 6)) >> DTC/Circuit Diagnosis >> DTC P054E-00: Idle Fuel Quantity Lower Than Expected >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

The ECM detected the fueling is lower than nominal at idle.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P054E-00

Idle Control System - Fuel Quantity Lower Than Expected

(Engine idle fuel quantity - data valid but below normal operating range - moderately severe level)

1

Diagnosis condition

Continuously when key is ON, or engine is running

Signal (terminal)

-

Threshold

Idle fuel < 2 mg/stroke

Diagnosis delay time

Diagnostic runs continuously when the engine is running