Honda Accord 2018–2020 — technical service bulletin
Bulletin ABOM11092021 · NHTSA communication 10203503 · issued Nov 9, 2021
Technical service bulletin
communication type
Electrical System
component
2018–2020
model years
8
vehicle entries
Official summary
Dealer Message - Today, November 9, 2021, American Honda is announcing a product improvement campaign (PIC) for certain 2018-2020 Accord and 2019-2020 Insight vehicles to update the telematics control unit (TCU) software for an upcoming network service change. Do an iN VIN status inquiry to determine which units in your inventory are affected.
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.