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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 P0452: NVLD Pressure Switch Stuck Closed >> 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 immediately after engine start up. DTC will set when the PCM activates the NLVD Solenoid. If PCM does not see NVLD switch open, an error is detected. This is a one trip fault.

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