Honda CR-V 2017–2022 — technical service bulletin
Bulletin A21-081 · NHTSA communication 10202869 · issued Oct 26, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2022
model years
6
vehicle entries
Official summary
Service Bulletin - The MIL comes on with DTCs P0441 (EVAP System Purge Flow Malfunction) P04F1 (EVAP System Low Purge Flow Detected).
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.