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Honda previous software remedy may have been incomplete.

NHTSA campaign 18V-921 · Reported December 20, 2018 · 1,082 vehicles affected

AFFECTED MODELS
Honda Clarity
VEHICLES AFFECTED
1,082
REMEDY
Honda has notified owners, and dealers will update the FC-ECU software, free of charge.
COST
Free

The short version

Honda (American Honda Motor Co.) reported a problem with the electrical system software. Here is what owners need to know.

WHAT

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.

WHY IT MATTERS

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

WHAT TO DO

Take it to a dealer — they will update the FC-ECU software, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 18V-921.

YEAR RANGEMODEL
2017–2018Honda Clarity

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with Honda (American Honda Motor Co.) or the National Highway Traffic Safety Administration.