Affected Component: ELECTRICAL SYSTEM: SOFTWARE

Date Published
MAR 05, 2019
NHTSA TSB #
10154481
TSB Document
Summary
Owner Notification Letter - On 2017-18 Clarity Fuel Cell vehicles, the software that monitors the temperature in the fuel cell tank may not be up to date. This may cause the vehicle to incorrectly display a hydrogen system warning on the instrument panel and store a system malfunction.