SSM 50742

Some 2020-2022 F-Super Duty vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0073 for the ambient air temperature sensor stored in the powertrain control (PCM). When performing pinpoint test BF in Workshop Manual (WSM), Section 413-01, the ambient air temperature sensor/outside air temperature display reset procedure has been added to the Ford Diagnostic Repair System (FDRS) diagnostic scan tool. Depending on how the vehicle is equipped, run the FCIM or HVAC. Reset the Outside Air Temperature Sensor Learned Values application. Clear DTCs and retest after performing the reset procedure.