P0463: 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 P0463 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

247 complaints filed with NHTSA mention P0463, 56 of them since 2015, across 23 different models. The component owners most often filed it under: fuel system, gasoline.

Most-reported models

VehicleComplaintsModel years reported
NISSAN XTERRA1052005, 2006, 2007
NISSAN FRONTIER472005, 2006, 2007
NISSAN PATHFINDER352005, 2006, 2007, 2008
RAM 1500202014, 2015, 2016, 2017
CHEVROLET MALIBU82005, 2007
HYUNDAI SANTA FE72007, 2008, 2009
GMC ENVOY51996, 2005, 2006
NISSAN MURANO32005, 2006, 2007

Manufacturer service bulletins that name P0463

60 technical service bulletins and manufacturer communications filed with NHTSA mention P0463, from 6 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • VOLKSWAGEN JETTA (2022, 2023, 2024, 2021), bulletin 10247178: Customer states rattle from below the vehicle Customer states MIL-on, P0442 stored in ECM memory Customer states Mill-on, P0462 and/or P0463 stored in ECM memory Customer states MIL-on, P0442 stored in ECM memory Custome…
  • VOLKSWAGEN ATLAS (2022, 2023, 2024), bulletin 10249141: Customer states rattle from below the vehicle Customer states MIL-on, P0442 stored in ECM memory Customer states Mill-on, P0462 and/or P0463 stored in ECM memory Customer states MIL-on, P0442 stored in ECM memory Custome…
  • VOLKSWAGEN ID.4 (2023, 2024, 2022), bulletin 10249689: Customer states rattle from below the vehicle Customer states MIL-on, P0442 stored in ECM memory Customer states Mill-on, P0462 and/or P0463 stored in ECM memory Customer states MIL-on, P0442 stored in ECM memory Custome…
  • VOLKSWAGEN ARTEON (2024, 2022, 2023), bulletin 10250295: Customer states rattle from below the vehicle Customer states MIL-on, P0442 stored in ECM memory Customer states Mill-on, P0462 and/or P0463 stored in ECM memory Customer states MIL-on, P0442 stored in ECM memory Custome…
  • VOLKSWAGEN TIGUAN (2019, 2021, 2022, 2023), bulletin 10225525: Customer states rattle noise from the underbody heat shields Customer states MIL-on, fault P0442 and/or P0456 stored in ECM memory Customer states rattle noise under vehicle Customer states MIL-on, fault P0463 stored in …
  • INFINITI Q50 (2016, 2017, 2018, 2019), bulletin 10213151: SERVICE INFORMATION FOR FUEL GAUGE INACCURATE WITH DTCS STORED IN ECM SERVICE INFORMATION If a fuel level sensor has been diagnosed as sending an incorrect level signal, and one or more of the following DTCs are stored i…

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.