Ford F-150 2016–2022 — technical service bulletin
Bulletin TSB 23-2161 · NHTSA communication 10236685 · issued May 23, 2023
Technical service bulletin
communication type
Electrical System
component
2016–2022
model years
50
vehicle entries
Official summary
Some 2018-2021 F-150 vehicles equipped with a 3.0L diesel engine, 2016-2022 F-650/F-750 vehicles equipped with a 6.7L engine, and 2017-2022 F-Super Duty vehicles equipped with a 6.7L engine and built on or before 08-Mar-2022 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P21DD, P20BA. P20B9, P204C, P208A, P208B, P208C, P203B, P205B, P21CD and/or U02A2 in the powertrain control module (PCM). This may be due to water intrusion within connectors C3613 and/or C4851/C3610 on the reductant harness going to the reductant pump/heater assembly and the r
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
- 2022 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
- 2022 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
- 2022 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
- 2022 Ford F-550 SD
- 2020 Ford F-600 SD
- 2021 Ford F-600 SD
- 2022 Ford F-600 SD
- 2016 Ford F-650
- 2017 Ford F-650
- 2021 Ford F-650
- 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
- 2022 Ford F-650 SD
- 2016 Ford F-750
- 2017 Ford F-750
- 2018 Ford F-750
- 2021 Ford F-750
- 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
- 2022 Ford F-750 SD
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.