Some 2021-2022 F-Super Duty vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with...

Bulletin number

SSM 51491

Component

Engine and engine cooling

Summary

Some 2021-2022 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 BG 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.

Owners of these vehicles have filed 14 complaints in the engine category.