Honda Clarity Plug-In Hybrid 2018 — technical service bulletin
Bulletin ONL6PH03262019 · NHTSA communication 10156631 · issued Mar 26, 2019
Technical service bulletin
communication type
Visibility
component
2018
model years
1
vehicle entries
Official summary
Owner Notification Letter - On Clarity Plug-in Hybrid vehicles, there is a software error in the miles per gallon calculation, which affects the HV range display and causes it to read unusually high.
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.