Ford F-250 SD 2020–2021 — technical service bulletin
Bulletin TSB 21-2309 · NHTSA communication 10201645 · issued Sep 14, 2021
Technical service bulletin
communication type
Fuel System, Gasoline
component
2020–2021
model years
8
vehicle entries
Official summary
Some 2020-2021 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with various fuel system related diagnostic trouble codes (DTC) stored in the powertrain control module (PCM). While performing pinpoint test (PPT) M in the Powertrain Control/Emissions Diagnosis (PC/ED) Manual, the fuel pressure control valve (F_PCV) and/or fuel volume control valve (F_VCV) parameter identifications (PIDs) may not have an option to manually command them with the Ford Diagnosis and Repair System (FDRS) scan tool. This may be due to the PCM software. To c
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.