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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Engine Controls - Self Diagnostics - 4.7L) >> Diagnostic Tests >> DTC P0453: NVLD Pressure Switch Stuck Open >> Monitored & Set Conditions

Monitored & Set Conditions

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

PCM monitors the Natural Vacuum Leak Detection (NVLD) pressure switch sense circuit with engine running. DTC will set if the PCM does not see the NVLD switch close during test an error is detected. This is a one trip fault.

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