MotorDeets

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.

1vehicle recalls
136owner complaints
9mention a crash
42best combined mpg
2018 Honda Clarity Plug-in Hybrid
Photo: Elise240SX · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

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.

Engine25
Fuel & propulsion23
Other / unknown20
Electrical20
Transmission & drivetrain19
Forward collision avoidance15
Fuel system15
Speed control / throttle12

What owners describe

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)

EngineTransmissionDriveCityHwyComb.Fuel
1.5 L 4-cyl hybridAutomatic (variable gear ratios)Front-Wheel Drive444042Regular 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.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
Check 2018 Honda Clarity Plug-in Hybrid manual
Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
Check 2018 Honda Clarity Plug-in Hybrid manual
ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
Check 2018 Honda Clarity Plug-in Hybrid manual
Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2018 Honda Clarity Plug-in Hybrid manual

Heads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure

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.

Other Clarity Plug-in Hybrid years

20172018201920202021