P2422: 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 P2422 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

6 complaints filed with NHTSA mention P2422, 5 of them since 2015, across 4 different models. The component owners most often filed it under: fuel/propulsion system.

Most-reported models

VehicleComplaintsModel years reported
HONDA CIVIC32009, 2011, 2016

Manufacturer service bulletins that name P2422

18 technical service bulletins and manufacturer communications filed with NHTSA mention P2422, from 4 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • VOLKSWAGEN ATLAS (2021, 2022, 2009, 2010), bulletin 10209446: Customer states rattle noise from the underbody heat shields Customer states coolant leak Oil level sensor leaking Customer states MIL-on, fault P2422 stored in ECM Customer states front brake noise Customer states blowe…
  • HONDA PASSPORT (2019, 2020, 2021, 2022), bulletin 10213542: Service bulletin - The MIL comes on with DTC P2422 (EVAP canister vent shut valve stuck closed malfunction). Dirt may be clogging the EVAP canister vent tube.
  • HONDA RIDGELINE (2017, 2018, 2019, 2020), bulletin 10216876: Service bulletin - The MIL is on with DTC P2422 (EVAP canister vent shut valve stuck closed malfunction). Dirt may be clogging the EVAP canister vent tube.
  • HYUNDAI SONATA (2020), bulletin 10188246: This bulletin provides information related to an Electronic Control Module (ECM) software update which revises detection logic for DTC P2422: EVAP System Restricted Vent Valve logic.
  • HONDA PILOT (2016, 2017, 2018, 2019), bulletin 10208841: Service Bulletin - The MIL comes on with DTC P2422 (EVAP canister vent shut valve stuck closed malfunction).
  • KIA SPORTAGE (2017, 2018, 2019), bulletin 10152892: PITSTOP - DTC P0449 VENT VALVE/SOLENOID CIRCUIT & P2422 VENT VALVE STUCK CLOSED - This bulletin has been revised - When addressing a concern related to P0449 (Evaporative Emission System ? Vent Valve / Solenoid Circuit) …

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.