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December 9, 2020 Service bulletin

2021 F-150/Explorer/Aviator/Police Interceptor Utility vehicles without a diesel engine and/or without a...

Ford technical service bulletin SSM 49388 for 2021 Ford F-150, 2021 Ford Explorer and 2021 Lincoln Aviator and others.

Bulletin number
SSM 49388
Component
Power train
Summary
2021 F-150/Explorer/Aviator/Police Interceptor Utility vehicles without a diesel engine and/or without a 10R80 MHT transmission have a new PCM-Transmission Accelerated Main Control Break In routine added to the Diagnosis and Testing Section of the WSM. This new routine uses the Ford diagnostic scan tool to cycle the shift solenoids and clutch control valves to free them from contamination that may be sticking the valves. Refer to WSM, Section 307-01.

Owners of these vehicles have filed 460 complaints in the transmission category.

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