SSM 48457

Service Bulletin Details

Public Details for: SSM 48457

2020 f-super duty vehicles equipped with a 10r140 automatic transmission at times may exhibit a normal skip shift upshifting and downshifting strategy. Typical examples are 1-3 or 3-5 upshift or a 6-4 coasting downshift. This is a normal ch


- 2020 -

Models from 2020
2020 FORD F-250 SD
2020 FORD F-350 SD
2020 FORD F-450 SD
2020 FORD F-550 SD 
SSM 48457 - 2020 F-Super Duty - 10R140 Automatic Transmission Customer Perception Of Missing Shifts - Normal Skip Shift Strategy
2020 F-Super Duty vehicles equipped with a 10R140 automatic transmission at times may exhibit a normal skip shift
upshifting and downshifting strategy. Typical examples are 1-3 or 3-5 upshift or a 6-4 coasting downshift. This is a
normal characteristic and no repairs should be attempted for this condition. For more detailed information about the
10R140 skip gear shift strategy refer to the Workshop Manual (WSM), Section 307-01 > Diagnosis and Testing.

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