Leak Detection Pump Solenoid (3.9L & 5.9L)
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.
For Leak Detection Pump (LDP) solenoid testing perform appropriate LDP solenoid test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - DAKOTA - 3.9L & 5.9L article.