Ford F-250 SD 2016 — technical service bulletin
Bulletin SSM 49844 · NHTSA communication 10198602 · issued Jun 2, 2021
Technical service bulletin
communication type
Power Train
component
2016
model years
6
vehicle entries
Official summary
Some 2016 F-Super Duty/F-650/F-750 vehicles equipped with a 6.7L engine built on or before 15-Feb-2016 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P054F stored in the powertrain control module (PCM). This may be caused by the torque converter one way clutch. To correct the condition, perform the torque converter stall speed test. Refer to Workshop Manual (WSM) Section 307-01B > Special Testing Procedures > Stall Speed Test. For this specific condition, the line pressure test is not required prior to performing the stall speed test. If engine s
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.