Honda Accord Hybrid 2021–2022 — technical service bulletin
Bulletin A22-009 · NHTSA communication 10211112 · issued Apr 29, 2022
Technical service bulletin
communication type
Electronic Stability Control
component
2021–2022
model years
2
vehicle entries
Official summary
Dealer message - A new cold start emission reduction strategy was applied to detect air fuel ratio abnormalities. When certain fuel and vehicle shutoff conditions are present, the LAF sensor may incorrectly judge the air fuel ratio to be rich.
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.