The 2017 Honda Clarity Fuel Cell has 3 recalls, all centered on the risk of sudden power loss or stalling that can increase the chance of a crash.
The most prominent issue involves the fuel cell control unit misreading a small drop in cell voltage, which can cause partial or complete loss of drive power. A prior software repair attempt did not fully resolve this problem, so vehicles that were previously repaired may still be affected. Separately, internal corrosion can cause the vehicle's water pump to fail, which can also cause the car to stall unexpectedly.
At a glance
What can fail
Internal components can corrode, causing the water pump to fail.
What the fix does
Dealers will replace the water pump at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
The fuel cell control unit's software may incorrectly read a small voltage drop in the fuel cell, causing partial or complete loss of engine power.
What the fix does
Dealers will update the fuel cell control unit software at no cost to restore proper operation.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The fuel cell control unit may misread a minor voltage drop in the fuel cell stack, resulting in reduced engine power or complete power loss while driving.
What the fix does
Dealers will install a software update to the fuel cell control unit at no cost to correct the voltage interpretation.
Summarized — see the official notice for exact wording, dates, and contacts.
