Ford F-250 SD 2021–2022 — technical service bulletin
Bulletin TSB 25-2119 · NHTSA communication 11016083 · issued Mar 26, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2021–2022
model years
8
vehicle entries
Official summary
Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0420 and/or P0430 stored in the powertrain control module (PCM). This may be due to the software in the PCM.
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.