# U0109 on the 2018 Ford Explorer

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name U0109

- [10254142](https://open.wenmarpro.com/bulletins/10254142), 2024-05-03: Some 2018\-2019 Explorer and 2018\-2024 Transit/F\-150/Expedition/Navigator vehicles may exhibit an illuminated MIL with diagnostic trouble codes \(DTCs\) P0627, P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module \(PCM\). Diagnosis should include checking for an intermittent or partial disconnect of the harness to the fuel pump control module \(FPCM\) connector, connector pin push\-outs, damaged pins/terminals, or loose/corroded grounds. Confirm FPCM connector \(Explorer \- C3239, Transit \- C433, F\-150 \- C460/C4336, Expedition/Navigator \- C433/C4033\) is fully seated and inspect applicable grounds \(Explorer G302, Transit \- G401, F\-150 \- G401, Expedition/Navigator \- G403/G406\) prior to performing guided diagnostics or replacing any components.
- [10230835](https://open.wenmarpro.com/bulletins/10230835), 2023-02-02: Some 2018\-2023 F\-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with diagnostic trouble codes \(DTCs\) P0627, P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module \(PCM\). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module \(FPCM\) connector, connector pin push\-outs, damaged pins/terminals, or loose/corroded grounds. Inspect FPCM connector, applicable grounds \(F\-150 \- G401, Expedition/Navigator \- G403, Transit \- G401, 2018\-2019 Explorer G302, 2020\-2022 Explorer/Aviator \- G407\) and confirm FPCM connector \(F\-150 \- C4336, Expedition/Navigator \- C433, Transit \- C433, 2018\-2019 Explorer \- C3239, 2020\-2022 Explorer/Aviator \- C4033\) is fully seated prior to performing PC/ED diagnostics or replacing any components.
- [10214158](https://open.wenmarpro.com/bulletins/10214158), 2022-06-17: Some 2018\-2022 F\-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with diagnostic trouble codes \(DTCs\) P0627, P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module \(PCM\). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module \(FPCM\) connector, connector pin push\-outs, damaged pins/terminals, or loose/corroded grounds. Inspect FPCM connector, applicable grounds \(F\-150 \- G401, Expedition/Navigator \- G403, Transit \- G401, 2018\-2019 Explorer G302, 2020\-2022 Explorer/Aviator \- G407\) and confirm FPCM connector \(F\-150 \- C4336, Expedition/Navigator \- C433, Transit \- C433, 2018\-2019 Explorer \- C3239, 2020\-2022 Explorer/Aviator \- C4033\) is fully seated prior to performing PC/ED diagnostics or replacing any components.
- [10210242](https://open.wenmarpro.com/bulletins/10210242), 2022-04-13: Some 2018\-2022 F\-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with Diagnostic Trouble Codes \(DTCs\) P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module \(PCM\). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module \(FPCM\) connector, connector pin push\-outs or loose/corroded grounds. Inspect FPCM connector, applicable grounds \(F\-150\- G401, Expedition/Navigator\- G403, Transit\- G401, 2018\-2019 Explorer G302, 2020\-2022 Explorer/Aviator\- G407\) and confirm FPCM connector \(F\-150\- C4336, Expedition/Navigator\- C433, Transit\- C433, 2018\-2019 Explorer C3239, 2020\-2022 Explorer/Aviator\- C4033\) is fully seated prior to performing PC/ED diagnostics or replacing any components.
- [10188010](https://open.wenmarpro.com/bulletins/10188010), 2021-03-03: Some 2018\-2021 F\-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with DTC P025A And/Or DTC U0109 stored in the powertrain control module \(PCM\). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module \(FPCM\) connector, connector pin push\-outs or loose/corroded grounds. Inspect FPCM connector, applicable grounds\(F\-150\- G401, Expedition/Navigator\- G403, Transit\- G401, 2018\-2019 Explorer G302, 2020\-2021 Explorer/Aviator\- G407\) and confirm FPCM connector \(F\-150\- C4336, Expedition/Navigator\- C433, Transit\- C433, 2018\-2019 Explorer C3239, 2020\-2021 Explorer/Aviator\- C4033\) is fully seated prior to performing PC/ED diagnostics or replacing any components.