Ford Ranger 2019–2020 — technical service bulletin
Bulletin TSB 22-2245 · NHTSA communication 10214871 · issued Jun 27, 2022
Technical service bulletin
communication type
Power Train
component
2019–2020
model years
2
vehicle entries
Official summary
This article supersedes TSB 21-2021 to update the part list Some 2019-2020 Ranger vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0420 stored in the powertrain control module (PCM). This may be due to various software parameters within the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM and replace the catalytic converter.
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.