TSB 20-2423

Some 2018-2020 F-150/Navigator vehicles equipped with a 3.5L EcoBoost High-Output engine and built on or before 11-Sept-2020 may exhibit excessive oil consumption with no visible oil leaks with or without diagnostic trouble code (DTC) P0365 and/or P0369. To correct the condition, follow the Service Procedure steps to reprogram the powertrain control module (PCM) and if necessary, replace the engine valve covers.