TSB Document:

• MC-10252667-0001.pdf

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Summary

Some 2021-2023 F-150 vehicles equipped with a gasoline or flex fuel engine (non-Lightning/non-PowerBoost) may exhibit inoperative A/C, lack of air flow, blows warm, and/or evidence of the evaporator freezing. This may be due to the software level of the PCM and heating, ventilation and air conditioning (HVAC) module.

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