This article supersedes TSB 21-2144 to update the vehicle model years affected and the Part List
Ford technical service bulletin TSB 21-2199 for 2015-2020 Ford F-150, 2017-2021 Ford F-250 SD and 2017-2021 Ford F-350 SD and others.
- Bulletin number
- TSB 21-2199
- Component
- Equipment
- Summary
- This article supersedes TSB 21-2144 to update the vehicle model years affected and the Part List. Some 2015-2020 F-150 and 2017-2021 F-Super Duty vehicles may exhibit a lack of heat or cooling from the cabin vents when the climate control settings are adjusted between hot and cold. This may be due to a stuck/binding temperature door within the climate control housing or binding/inoperative temperature door actuator. Diagnostic trouble code (DTC) B1081:07 may be present in the front controls interface module (FCIM). To correct the condition, follow the Service Procedure steps to remove the climate control housing and replace the temperature door actuator(s) and/or lubricate the temperature blend door bearing surface.
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