Honda Accord 2018–2022 — technical service bulletin
Bulletin AEBM08212026901 · NHTSA communication 11036323 · issued Aug 21, 2026
Technical service bulletin
communication type
Electrical System
component
2018–2022
model years
5
vehicle entries
Official summary
Dealer Message - Due to a software programming issue within the Wireless CarPlay and Android Auto system, an invalid "License Authentication Error" message may appear on the Display Audio screen after approximately 1,500 ignition switch activations ON/OFF.
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.