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.
RC000233SAOwner
The fuel rail assembly may develop leaks, which may result in an undetected prolonged diesel fuel spray. A leak involving spraying/misting fuel in the presence of an ignition source may increase the risk of fire. This affects the following Thor Motor Coach products: model year 2018-2022 Tuscany and Venetian motorhomes.
LTR 120519
This letter stated that there were no Service Bulletins or Technical Service Bulletins issued for the month of November, 2019.
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.