Honda Accord 2019–2020 — technical service bulletin
Bulletin ATI&01052022 · NHTSA communication 10206443 · issued Jan 5, 2022
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
2
vehicle entries
Official summary
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2020 Accord 1.5L with a customer complaint of a noise coming from the ANC (Active Noise Cancellation Unit). The noise can be described as booming, droning, or humming. To better understand the cause of this condition, AHM would like to inspect the vehicle before you attempt a repair of any kind.
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.