Ford F-250 SD 2020 — technical service bulletin
Bulletin SSM 49140 · NHTSA communication 10179187 · issued Aug 27, 2020
Technical service bulletin
communication type
Power Train
component
2020
model years
6
vehicle entries
Official summary
Some 2020 F-Super Duty vehicles equipped with a 6.7L diesel engine and built on or before 18-Aug-2020 may exhibit an illuminated powertrain malfunction indicator (wrench) lamp with only diagnostic trouble code (DTC) P07F6 stored in the transmission control module (TCM). This DTC may be accompanied by harsh engagements, a poor shift quality feel and/or loss of 9th gear as a result of the DTC being set. If no additional codes or symptoms are present, clear the DTC with the appropriate Ford diagnostic scan tool and schedule a follow-up appointment for service mid-September. Inform the customer th
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.