Ford Fiesta 2016–2019 — technical service bulletin
Bulletin TSB 19-2116 · NHTSA communication 10159463 · issued Apr 16, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2019
model years
4
vehicle entries
Official summary
Some 2016-2019 Fiesta vehicles built on or before 19-Feb-2019 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0128 stored in the powertrain control module (PCM). This may be due to some PCM software parameters related to engine temperature. To resolve the condition, reprogram 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.