Honda HR-V 2016–2018 — technical service bulletin
Bulletin ONLV9202162021 · NHTSA communication 10187549 · issued Feb 16, 2021
Technical service bulletin
communication type
Equipment
component
2016–2018
model years
3
vehicle entries
Official summary
Owner Notification Letter - The vehicle may not start upon first press of the ENGINE START/STOP button. Also, the MID displays the error message KEYLESS START SYSTEM ERROR, and DTC B12C5 (Engine Start/Stop Switch Failure) is stored. American Honda is extending the warranty on the engine start/stop switch to 9 years from the original date of purchase or 125,000 miles, whichever comes first.
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.