Some 2022-2023 F-150 vehicles equipped with a 3.5L EcoBoost engine built on or after 01-Oct-2022, 2023 F-150 vehicles equipped with a 3.5L PowerBoost engine on or after 01-Oct-2022, and 2023 Expedition/Navigator vehicles built on 01-Dec-2022 and through 30-Apr-2023 may exhibit reduced engine power on startup and an illuminated MIL and/or powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P2101 stored in the powertrain control module (PCM). This may be due to the software level of the PCM. To correct this condition, perform the Service Procedure below to reprogram the PCM to the latest software level via the Ford Diagnosis and Repair System (FDRS).
