Ford F-150 2015–2021 — technical service bulletin
Bulletin SSM 49483 · NHTSA communication 10186621 · issued Jan 21, 2021
Technical service bulletin
communication type
Power Train
component
2015–2021
model years
40
vehicle entries
Official summary
Some 2017-2021 F-Super Duty and 2016-2021 F650-750 with 6.7L diesel engines, 2015-2019 Transit with 3.2L diesel engines and 2018-2021 F-150 with 3.0L diesel engines may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P206C in the powertrain control module (PCM). Review of repair data supports that P206C is often the result of incorrect diesel exhaust fluid (DEF) concentration. Per Powertrain Control/Emissions Diagnosis (PC/ED) Pinpoint Test (PPT) RJ, a DEF concentration reading below 28% will set P206C and cause vehicle derate. If low concentration is
Vehicles covered
- 2018 Ford F-150
- 2019 Ford F-150
- 2020 Ford F-150
- 2021 Ford F-150
- 2017 Ford F-250 SD
- 2018 Ford F-250 SD
- 2019 Ford F-250 SD
- 2020 Ford F-250 SD
- 2021 Ford F-250 SD
- 2017 Ford F-350 SD
- 2018 Ford F-350 SD
- 2019 Ford F-350 SD
- 2020 Ford F-350 SD
- 2021 Ford F-350 SD
- 2017 Ford F-450 SD
- 2018 Ford F-450 SD
- 2019 Ford F-450 SD
- 2020 Ford F-450 SD
- 2021 Ford F-450 SD
- 2017 Ford F-550 SD
- 2018 Ford F-550 SD
- 2019 Ford F-550 SD
- 2020 Ford F-550 SD
- 2021 Ford F-550 SD
- 2016 Ford F-650 SD
- 2017 Ford F-650 SD
- 2018 Ford F-650 SD
- 2019 Ford F-650 SD
- 2020 Ford F-650 SD
- 2021 Ford F-650 SD
- 2017 Ford F-750 SD
- 2018 Ford F-750 SD
- 2019 Ford F-750 SD
- 2020 Ford F-750 SD
- 2021 Ford F-750 SD
- 2015 Ford Transit
- 2016 Ford Transit
- 2017 Ford Transit
- 2018 Ford Transit
- 2019 Ford Transit
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.