P0454: 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 P0454 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

1 complaints filed with NHTSA mention P0454, 1 of them since 2015, across 1 different models. The component owners most often filed it under: fuel/propulsion system.

Manufacturer service bulletins that name P0454

7 technical service bulletins and manufacturer communications filed with NHTSA mention P0454, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FORD F-150 (2021), bulletin 10191516: Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine and built on or before 23-Apr-2021 may experience an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300, P0301-P0306, P…
  • FORD MUSTANG (2015), bulletin 10058433: FORD: SOME VEHICLES ARE EXPERIENCING DIAGNOSTIC TROUBLE CODE (DTC) P0454 AND NOT ABLE TO DETERMINE THE ROOT CAUSE AFTER HAVING POWERTRAIN CONTROL AND EMISSIONS (PCED) PIN POINT TEST, DO NOT ATTEMPT REPAIRS. MODEL 2015 MU…
  • CADILLAC ATS (2013, 2014, 2015), bulletin 10113671: This preliminary informational bulletin provides a diagnostic tip for a customer concern of a Malfunction Indicator Lamp (MIL) illuminated and technicians may find DTC P0454 (Fuel Tank Pressure Sensor Circuit Intermitten…

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.