2018 Honda clarity
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 Honda clarity is worth — from official NHTSA and EPA data. 541 on record.
2018 Honda clarity at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2018 Honda clarity recalls 3
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.
Fix: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314.
Honda (American Honda Motor Co.) is recalling certain 2017-2018 Clarity Fuel Cell vehicles. Internal components may corrode and cause the water pump to fail.
Fix: Honda will notify owners, and dealers will replace the water pump, free of charge. The recall began June 10, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is L4N.
Honda (American Honda Motor Co.) is recalling certain 2017-2018 Clarity Fuel Cell vehicles previously repaired under recall 18V-068. The previous software remedy may have been incomplete. As a result, the fuel cell control unit (FC-ECU) may misinterpret a small cell voltage drop, causing the vehicle to have a partial or complete loss of power.
Fix: Honda has notified owners, and dealers will update the FC-ECU software, free of charge. The recall began February 14, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is A3O.
Source: U.S. NHTSA, checked 9 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2018 Honda clarity efficiency & running costs
Source: U.S. EPA / DOE fueleconomy.gov.
Estimated 5-year cost to own
A rough guide to what running a 2018 Honda clarity costs over five years and 75,000 miles.
How this is estimated: energy is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 2018 Honda clarity. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
Manufacturer service bulletins 20
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 20.
Owner's Notification Letter - Product Update - Our records indicate that a Product Update has not been completed on this vehicle (Vehicle Identification Number XXXXXXXXXXXXXXXXX). The software that monitors the temperature in the fuel cell tank may not be up t…
Bulletin ONL6CK09212022 · Electrical System · Sep 2022Dealer Message - In the event you experience a sub tank wire harness rodent damage on the 2017â??2020 Clarity FCV, after repairing / replacing the wire harness, wrap the areas shown below with RODENT DETERRENT TAPE, P/N 4019-2317.
Bulletin A22090A · Electrical System · Sep 2022Service Bulletin - The customer cannot refuel the vehicle completely at certain hydrogen stations.
Bulletin A20-092 · Fuel System, Gasoline · Dec 2020Service Bulletin - The MIL comes on with DTC P1FBF (air pump controller failure [internal failure warning]) during startup.
Bulletin A20-061 · Fuel System, Diesel · Oct 2020Service Bulletin - The MIL comes on with DTC P1FBF (air pump controller failure [internal failure warning]) during startup.
Bulletin A20-061 · Fuel System, Other · Sep 2020Service Bulletin - Water improperly discharged inside the fuel cell (FC) stack mixes with hydrogen and oxygen, generating hydrogen peroxide. The hydrogen peroxide/water combination concentrates in one area, accelerating the deterioration of the electrolyte mem…
Bulletin A19-006 · Electrical System, Fuel System, Diesel · Apr 2020Service Bulletin - The fuel cell (FC) system uses an electric water pump to circulate insulating fluid and remove excess heat from the fuel cell stack. During manufacturing, the water pump's magnetic surface was not treated for corrosion resistance. Over time,…
Bulletin A19-054_version3 · Fuel System, Diesel, Electrical System · Apr 2020Service Bulletin - The fuel cell (FC) system uses an electric water pump to circulate insulating fluid and remove excess heat from the fuel cell stack. During manufacturing, the water pump's magnetic surface was not treated for corrosion resistance. Over time,…
Bulletin A19-054_version2 · Electrical System · Jun 2019Service Bulletin - The fuel cell (FC) system uses an electric water pump to circulate insulating fluid and remove excess heat from the fuel cell stack. During manufacturing, the water pump's magnetic surface was not treated for corrosion resistance. Over time,…
Bulletin A19-054 · Fuel System, Diesel, Electrical System · Jun 2019Service Bulletin - Water improperly discharged inside the fuel cell stack mixes with hydrogen and oxygen, generating hydrogen peroxide. The hydrogen peroxide/water combination concentrates in one area, accelerating the deterioration of the electrolyte membrane…
Bulletin A19-006 · Electrical System, Fuel System, Diesel · Jun 2019Source: NHTSA Office of Defects Investigation, listed for the CLARITY FUEL CELL FWD. Model-year data, not specific to one car.
Canadian recalls 2
Transport Canada recall campaigns for the 2018 Honda clarity. Relevant if the car was first sold in, or imported from, Canada.
Fuel System
Issue: This recall is for low-pressure fuel pumps installed on certain vehicles or sold at dealerships as a replacement part. On certain vehicles, the low-pressure fuel pump could fail. If this happens, the engine may run rough or may not start and the check engine light may turn on. This could also result in a sudden loss of engine power while driving. Note: This recall replac…
Transport Canada #2024262 · May 2024Fuel System
This recall was replaced by Transport Canada recall no. 2024-262. Issue: This recall is for low-pressure fuel pumps installed on certain vehicles or sold at dealerships as a replacement part. On certain vehicles, the low-pressure fuel pump could fail. If this happens, the engine may run rough or may not start and the check engine light may turn on. This could also result in a s…
Transport Canada #2023679 · Dec 2023Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Honda clarity
The Honda Clarity is a nameplate used by Honda on alternative fuel vehicles. It was initially used only on hydrogen fuel-cell electric vehicles such as the 2008 Honda FCX Clarity, but in 2017 the nameplate was expanded to include the battery-electric Honda Clarity Electric and the plug-in hybrid electric Honda Clarity Plug-in Hybrid, in addition to the next generation Honda Clarity Fuel Cell. Clarity production ended in August 2021 with US leases for the fuel cell variant continuing through to 2022. As of 2025, the Honda Clarity (2016-2021) is the last known production car to feature fixed rear wheel skirts.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
2018 Honda clarity trims & engines on record
2018 Honda clarity vehicles on record
2018 Honda clarity TOURINGJHMZC5F33JC009416
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