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.
TSB-468
GREAT DANE: CORROSION ISSUES ON AND TO BRAKE COMPONENTS, REAR FRAMES, ELECTRICAL AND SIDEWALL SKIN SHEETS ESCALATION, AND COINCIDE WITH USE OF AGGRESSIVE LIQUID CHEMICALS FOR DE-ICING WITH STRONG ADHESION PROPERTIES, HYGROSCOPIC IN NATURE. NO MODEL OR YEARS LISTED. *PE
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.