Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
1STTSB194111822
TSB194 explains that an error in a firefly software update caused the caused the roof vent fan to operate in reverse. The TSB offers a remedy for the software error, and also lists the affected units.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.