Some 2017-2018 Explorer vehicles equipped with a 2.3L EcoBoost engine built on or before 7-Dec-2017 may exhibit an illuminated MIL with DTC P04DB (crankcase ventilation system disconnected) in the powertrain control module (PCM) memory. Reprogram the PCM using Integrated Diagnostic System (IDS) or Ford J2534 Diagnostic Software (FJDS) release 108.02 or higher. Make sure you are connected to the internet when entering module programming to obtain the latest updates. Calibration files may also be obtained at www.motorcraftservice.com.
