B1081: owner reports and bulletins

Body. We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got B1081 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

5 complaints filed with NHTSA mention B1081, 4 of them since 2015, across 5 different models. The component owners most often filed it under: air bags.

Manufacturer service bulletins that name B1081

10 technical service bulletins and manufacturer communications filed with NHTSA mention B1081, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FORD F-250 SD (2017, 2018, 2019, 2020), bulletin 10234593: Some 2015-2020 F-150 and 2017-2022 F-Super Duty vehicles may exhibit a lack of heat or cooling from the cabin vents when the climate control settings are adjusted between hot and cold. This may be due to a stuck/binding …
  • FORD F-150 (2021), bulletin 10189892: Some 2021 F-150 vehicles built on 06-Sep-2020 and through 24-Jan-2021 may experience the climate temperature control is inoperative or does not operate correctly. The vehicle may exhibit diagnostic trouble codes (DTC) B1…
  • FORD RANGER (2019, 2020), bulletin 10181907: Some 2019-2020 Ranger vehicles built on or before 30-Jul-2020 may experience poor and/or no temperature change when the temperature is adjusted in the climate control system. There may also be a clicking/snapping noise f…
  • FORD F-450 SD (2017, 2018, 2019, 2015), bulletin 10178009: Some 2015-2019 F-150, 2017-2019 F-Super Duty vehicles may exhibit a lack of heat or cooling from the cabin vents when the climate settings are adjusted between hot and cold. This may be due to a stuck/binding temperature…

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.