2018 Honda Clarity Plug-in Hybrid: Recalls, Problems & MPG
Here are the deets on the 2018 Honda Clarity Plug-in Hybrid: 1 recall, 136 owner complaints and up to 42 mpg combined.

Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Fuel system Vehicle recall #23V858000 · 2023 · 2,490,460 vehicles
What's wrong: Honda (american Honda motor Co.) is recalling certain 2013-2023 Honda accord, civic coupe, civic sedan, civic hatchback, civic type r, cr-v, hr-v, ridgeline, odyssey, Acura ilx, mdx, mdx hybrid, rdx, rlx, tlx, 2019-2022 Honda insight, passport, 2020 Honda cr-v hybrid, 2018-2019 Honda clarity phev, fit, and 2015-2020 Honda accord hybrid, pilot, Acura nsx vehicles. The fuel pump inside the fuel tank May fail.
Why it matters: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
The fix: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 1 mention a fire, 3 injuries and 0 deaths were reported.
What owners describe
- Engine (25): the most common themes are electrical failure (10), stalls / loses power (6), warning light on (3).
- Fuel & propulsion (23): the most common themes are electrical failure (8), stalls / loses power (4).
- Other / unknown (20): the most common themes are leaks (5), stalls / loses power (2).
- Electrical (20): the most common themes are electrical failure (6), warning light on (4), stalls / loses power (4).
The 2018 Honda Clarity Plug-in Hybrid has 136 owner complaints, ranking #1 of 5 Clarity Plug-in Hybrid model years for complaints (3.6× the average Clarity Plug-in Hybrid year). Complaints peaked in 2024 (39 filed that year). The typical problem showed up when the car was about 3 years old, at a median of 2,762 miles. Neighboring years: 2017 (1 complaints, 0 recalls), 2019 (42 complaints, 2 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 1.5 L 4-cyl hybrid | Automatic (variable gear ratios) | Front-Wheel Drive | 44 | 40 | 42 | Regular Gas and Electricity |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 Honda Clarity Plug-in Hybrid.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 2018 Honda Clarity Plug-in Hybrid have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 2018 Honda Clarity Plug-in Hybrid. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2018 Honda Clarity Plug-in Hybrid problems?
Owners have filed 136 complaints with NHTSA. The most-reported areas are engine (25), fuel & propulsion (23), other / unknown (20).
What gas mileage does the 2018 Honda Clarity Plug-in Hybrid get?
EPA ratings run up to 42 mpg combined (1.5 L, Automatic (variable gear ratios)), across 1 engine and transmission combos.
Where can I get a 2018 Honda Clarity Plug-in Hybrid repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.