P2209: 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 P2209 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

3 complaints filed with NHTSA mention P2209, 3 of them since 2015, across 2 different models. The component owners most often filed it under: engine.

Manufacturer service bulletins that name P2209

11 technical service bulletins and manufacturer communications filed with NHTSA mention P2209, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FORD F-600 SD (2023), bulletin 10238282: Some 2023 F-Super Duty vehicles equipped with a 6.7L engine, and built on or before 02-May-2023, may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) U029D, U029E, U02A1, U02A3,…
  • FORD F-550 SD (2023), bulletin 10239482: Some 2023 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) U029D, U029E, U02A1, U02A3, P2209, P24D0, P22A7, and/or P23B5. T…
  • FORD F-650 SD (2021, 2022, 2023), bulletin 11000755: Some 2021-2023 F-650/F-750 vehicles built on or before 15-Nov-2022 and equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2201, P2209, P220E and/…
  • FORD F-350 SD (2020, 2021, 2022), bulletin 11000738: Some 2020-2022 F-Super Duty vehicles built on or before 31-Oct-2022 and equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2201, P2209, P220E and…
  • FORD F-250 SD (2017, 2018, 2019), bulletin 10155443: Some 2017-2019 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) U029D and/or P2209 in the powertrain control module (PCM).…
  • FORD F-750 SD (2017), bulletin 10094636: SOME 2017 F-SUPER DUTY VEHICLES EQUIPPED WITH A 6.7L ENGINE MAY EXHIBIT A MIL WITH DTC U029D AND/OR P2209. THIS MAY BE DUE TO WATER INTRUSION, THROUGH THE 14406 HARNESS, INTO THE WIRING AND/OR CONNECTOR FOR NITROGEN OXID…

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.