2018 Honda Clarity Plug-In Hybrid electrical system problems
19 owner complaints filed with NHTSA name the electrical system on the 2018 Honda Clarity Plug-In Hybrid — 14% of all complaints for this model year.
What owners report
“COMPONENT FAILURE: 2018 Honda Clarity PHEV Air Conditioning Evaporator Core. Complete refrigerant leak. Available for inspection/repair at Norm Reeves Honda Huntington Beach. Confirmed July 29, 2026, via borescope/UV dye. Repair estimate: $3,151-$3,217. SAFETY RISK: Vehicle is inoperable without…”
filed Aug 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Service Bulletin - The Hybrid System Failure message comes on the MID, and DTC P1D8D (Generator Motor Inverter Short) is stored.
A21-008 · Service Bulletin/Repair Instructions · issued Feb 11, 2021
Electrical System problems in other Clarity Plug-In Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2019 Clarity Plug-In Hybrid | 7 | 17% |
Other reported problem areas on the 2018 Honda Clarity Plug-In Hybrid
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.