SkipThatYearREAL DATA. SMARTER CAR DECISIONS.
← New search

2018 Honda Clarity Fuel Cell

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →
2Owner complaints

Model-year median: 2

2Recall campaigns

View recall details →

0Investigations

View investigation details →

How this year compares

Owner complaints by model year

Other model years Selected year
3
20172
20180
2019
Compare all Clarity Fuel Cell years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Fuel/propulsion System
1Vehicle Speed Control
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 1 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Fuel/propulsion System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Fuel/propulsion System complaints

1 reports
Clear category filter
16,193 miles · Apr 30, 2020
Fuel/propulsion System

2018 HONDA CLARITY FUEL CELL EXPERIENCED A SUDDEN REDUCTION IN POWER DUE TO A FAILURE OF THE FUEL CELL POWER GENERATION. THE CAR DISPLAYED AN ERROR MESSAGE "POWER SYSTEM PROBLEM. STOP DRIVING WHEN SAFE" WHILE DRIVING AT FREEWAY SPEEDS ON THE FREEWAY. THE CAR THEN HAD LOW POWER AND WAS RUNNING OFF THE BATTERY. AFTER PULLING OVER …

Read full complaint

2018 HONDA CLARITY FUEL CELL EXPERIENCED A SUDDEN REDUCTION IN POWER DUE TO A FAILURE OF THE FUEL CELL POWER GENERATION. THE CAR DISPLAYED AN ERROR MESSAGE "POWER SYSTEM PROBLEM. STOP DRIVING WHEN SAFE" WHILE DRIVING AT FREEWAY SPEEDS ON THE FREEWAY. THE CAR THEN HAD LOW POWER AND WAS RUNNING OFF THE BATTERY. AFTER PULLING OVER AND TURNING OFF THE CAR AND RESTARTING, IT HAD THE SAME ERROR WITH LOW BATTERY ONLY. THEN WE TURNED OFF, WAITED ABOUT TEN MINUTES, RESTARTED THE CAR, AND THE FUEL CELL SYSTEM SEEMED FINE. THE BATTERY BEGAN TO CHARGE. WE HAVE NOT BEEN ABLE TO REPRODUCE THE PROBLEM SINCE THEN. THIS CAR HAS PREVIOUSLY ALREADY HAD ALL RECALLS COMPLETED, INCLUDING THE SOFTWARE UPDATE TO ADDRESS POWER SYSTEM FAILURES LAST YEAR.

NHTSA ODI #11322892

Official recalls

2

19V315000 · Equipment:electrical

Apr 18, 2019

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.

Consequence & remedy

Consequence: A failure of the water pump can cause the vehicle to stall, increasing the risk of crash.

Remedy: 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.

18V921000 · Electrical System:software; Hybrid Propulsion System

Dec 20, 2018

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.

Consequence & remedy

Consequence: A loss of power can increase the risk of a crash.

Remedy: 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.

Additional source detail variants (2)

Electrical System:software

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.

Consequence: A loss of power can increase the risk of a crash.

Remedy: 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.

Hybrid Propulsion System

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.

Consequence: A loss of power can increase the risk of a crash.

Remedy: 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.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.