Honda Clarity Plug-In Hybrid 2018 — technical service bulletin
Bulletin ONL6PH09152022 · NHTSA communication 10220360 · issued Sep 15, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2018
model years
1
vehicle entries
Official summary
Owner's Notification Letter - Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle (Vehicle Identification Number [VIN NUMBER]). 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.