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.
SIL-621
ALTEC: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. INFORMATION IS BEING PROVIDED REGARDING THE RELIABLE PRODUCTS AND COMPONENTS, FOR INSPECTION AND REPAIR AND SOFTWARE UPDATED TO IMPROVE OPERATION OF SYSTEM. MODEL AM SERIES, TA SERIES, LR7. NO MODEL 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.