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.
SF390A
FREGHTLINER SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CAB GROUND CABLES; SPECIFIC FREIGHTLINER CLASSIC, CLASSIC XL, AND FLD VEHICLES (DAIMLER TRUCKS) MANUFACTURED BETWEEN APRIL 23, 2007 AND OCTOBER 18, 2007. CSC WAS RECEIVED. *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.