Honda Civic 2015–2018 — technical service bulletin
Bulletin A19090B · NHTSA communication 10165374 · issued Sep 20, 2019
Technical service bulletin
communication type
Power Train
component
2015–2018
model years
10
vehicle entries
Official summary
ServiceNews Article - Have you noticed the fill plug on a CVT has popped out or seems to be leaking? This is caused by pressure building up at the fill plug due to the vent cap getting plugged with debris.
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.