P0251: 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 P0251 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 P0251. That usually means it's rare, or owners don't quote the code when they file.

Manufacturer service bulletins that name P0251

2 technical service bulletins and manufacturer communications filed with NHTSA mention P0251, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • LAND ROVER DISCOVERY (2016, 2017, 2018, 2019), bulletin 10167326: Vehicles equipped with an AJ126 supercharged V6 engine are experiencing noise from the HP fuel pumps and/or a Check Engine MIL illuminated with one of the following DTCs stored in the PCM. P228F-85 P025C-11 P0251-13 P064…
  • JAGUAR F-PACE (2017, 2018, 2019, 2020), bulletin 10167327: Vehicles equipped with an AJ126 supercharged V6 engine are experiencing noise from the HP fuel pumps and/or a Check Engine MIL illuminated with one of the following DTCs stored in the PCM. P228F-85 P025C-11 P0251-13 P064…

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.