P0145: 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 P0145 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

No consumer complaints filed with NHTSA mention P0145. That usually means it's rare, or owners don't quote the code when they file.

Manufacturer service bulletins that name P0145

4 technical service bulletins and manufacturer communications filed with NHTSA mention P0145, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FORD F-250 SD (2023, 2024), bulletin 10251461: Some 2023-2024 F-Super Duty chassis cab vehicles built on or before 02-Jan-2024 equipped with a 6.7L engine may exhibit an illuminated MIL with diagnostic trouble codes (DTC) P0133, P0139, and/or P0145 stored in the powe…
  • MITSUBISHI OUTLANDER SPORT (2011), bulletin 10170847: Improper Secondary Parameter judgement criteria may cause false MIL illumination during 3rd Oxygen Sensor Monitoring. This TSB provides a field fix procedure to address false MIL illumination with DTC P0145 (Heated oxyge…
  • MITSUBISHI OUTLANDER (2011), bulletin 10172187: Improper Secondary Parameter judgement criteria may cause false MIL illumination during 3rd Oxygen Sensor Monitoring (P0145). This TSB provides a field fix procedure to address false MIL illumination with DTC P0145 (Heat…

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.