P0627: owner reports and bulletins

Powertrain (generic, all makes). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P0627 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.

What owners report to NHTSA

15 complaints filed with NHTSA mention P0627, 15 of them since 2015, across 11 different models. The component owners most often filed it under: fuel/propulsion system.

Manufacturer service bulletins that name P0627

13 technical service bulletins and manufacturer communications filed with NHTSA mention P0627, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FORD EXPLORER (2020, 2021, 2022, 2023), bulletin 10254141: Some 2020-2024 Explorer/Aviator 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 …
  • LINCOLN AVIATOR (2020, 2021, 2022, 2023), bulletin 10254141: Some 2020-2024 Explorer/Aviator 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 …
  • FORD EXPEDITION (2018, 2019, 2020, 2021), bulletin 10254142: 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 powertrai…
  • LINCOLN NAVIGATOR (2018, 2019, 2020, 2021), bulletin 10254142: 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 powertrai…
  • FORD EXPLORER POLICE INTERCEPT (2018, 2019, 2020, 2021), bulletin 10230835: 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 powertr…
  • FORD BRONCO SPORT (2021, 2022, 2023), bulletin 10234133: Some 2021-2023 Bronco Sport vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P025A, P025B, P00C6, P008A, P0627 and/or U0109 stored in the powertrain control module (PCM). This may be due to an…

Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.