Honda Passport 2016–2022 — technical service bulletin
Bulletin A20-056 · NHTSA communication 10213542 · issued May 6, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2022
model years
11
vehicle entries
Official summary
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.
Vehicles covered
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.