Some 2020-2021 Escape and 2021 Corsair vehicles equipped with a 2.5L full hybrid electric vehicle (FHEV) or 2.5L plug-in hybrid electric vehicle (PHEV) powertrain may exhibit a no crank/no start condition due to the passive anti-theft system (PATS) immobilizer being enabled. This may be more prevalent after a vehicle service/repair. This may be due to software that renders the inverter system controller (ISC) (also known as secondary on-board diagnostic module C (SOBDMC)) inoperable when a vehicle repair requires a PATS update. To correct the condition, follow the Service Procedure to reprogram various modules starting with the powertrain control module (PCM).
