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.
1STTSB1938312022
The heat pump may turn on, along with the furnace, when the furnace is selected on the thermostat. The A/C control box will need to be changed out.
1STMON042052822
This newsletter provides information concerning filiform corrosion and the steps taken to neutralize it.
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.