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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (1 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0169-00: Incorrect Fuel Composition >> DTC Description >> Notes

DTC Description: Notes

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 water-in-fuel sensor is in the fuel filter. The ECM provides a 5V reference signal to the water-in-fuel sensor. When the water collected in the fuel filter covers the sensor probes, the water-in-fuel sensor pulls the 5V reference voltage down, indicating high water accumulation in the fuel filter.

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