Honda Accord 2017–2020 — technical service bulletin
Bulletin A26-091 · NHTSA communication 11035781 · issued Jul 31, 2026
Technical service bulletin
communication type
Forward Collision Avoidance
component
2017–2020
model years
9
vehicle entries
Official summary
Service Bulletin - Honda has developed software updates to the Honda Sensing system to enhance driver experience by modifying the circumstances when the advanced driver assist system (ADAS) decelerates the vehicle or the extent of deceleration. The software covers Adaptive Cruise Control (ACC), Collision Mitigation Braking System (CMBS), and Road Departure Mitigation (RDM).
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.