21-401
Service Bulletin/Repair Instructions
It has been determined that unit thermostats may have been wired incorrectly allowing the furnace to operate with the switch in the off position.
Vehicle report
2020 KEYSTONE ZINGER
Service bulletins
1 bulletinTechnical 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.
Reading this report
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.