Honda Pilot 2016–2020 — technical service bulletin
Bulletin A20-056 · NHTSA communication 10208841 · issued Mar 1, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2016–2020
model years
5
vehicle entries
Official summary
Service Bulletin - The MIL comes on with DTC P2422 (EVAP canister vent shut valve stuck closed malfunction).
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.