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.
ER-L-30
DODGE: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A SOFTWARE ERROR PREVENTS DIESEL EXHAUST FLUID (DEF) DIAGNOSTIC FROM RUNNING AFTER IT DETECTED PENDING FAULT, THE DEF MAY BE DISABLED AND CAUSES EXHAUST EMISSIONS TO EXCEED LIMIT FOR OXIDES OF NITROGEN IN SOME VEHICLES. *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.