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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 P0127-00: IAT Sensor >> Diagnosis Procedure

Diagnosis Procedure

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.
  1. CHECK DATA MONITOR 
    1. Check intake manifold temperature "Data Monitor" item on the CONSULT screen.
    2. Compare intake manifold temperature reading to a mechanical gauge or known value.

    Does the reading correlate to a know value or a mechanical gauge?

    YES

    Refer to Symptom Diagnosis Symptom Table .

    NO

    Replace the intake manifold temperature sensor. Refer to Removal and Installation .