P0090: 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 P0090 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

9 complaints filed with NHTSA mention P0090, 9 of them since 2015, across 8 different models. The component owners most often filed it under: fuel/propulsion system.

Manufacturer service bulletins that name P0090

4 technical service bulletins and manufacturer communications filed with NHTSA mention P0090, from 3 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • MASERATI QUATTROPORTES (2005, 2004, 2006, 2007), bulletin 11000473: This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible DTC"P0090 - Fuel Pressure Regulator Control Circuit 1 Open" stored in the engine control unit (ECM).
  • MASERATI GHIBLI (2023), bulletin 10239778: Guidance to investigate vehicles related to the storage of ECM of DTC P0090 - Fuel Pressure Regulator 1 Control Circuit Opened Link to engine warning light on and limp home mode.
  • NISSAN ARMADA (2017), bulletin 10119192: 2017 ARMADA; MIL ON WITH P0090 AND U1000 AND/OR U1001 STORED IF YOU CONFIRM MIL is ON with the following DTC stored: - P0090 (FRP CONTROL SYSTEM) And U1000 and/or U1001 DTCs are stored in one or more other control units.…
  • INFINITI QX80 (2016, 2017), bulletin 10120548: 2016-2017 QX80; MIL ON WITH P0090 AND U1000 AND/OR U1001 STORED IF YOU CONFIRM MIL is ON with the following DTC stored: - P0090 (FRP CONTROL SYSTEM) And U1000 and/or U1001 DTCs are stored in one or more other control uni…

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.