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Home >> Ford >> 2021 >> Explorer ST >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Description & Operation (Hybrid) -- Ford >> Powertrain Control Hardware >> Powertrain Control Module (PCM) Power and Ground Signals >> Vehicle Power (VPWR)

Vehicle Power (VPWR)

The VPWR is the primary source of PCM voltage. The VPWR is switched through the PCM power relay and is controlled by the PCM.