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.
SB-10-08-50-003B
GENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES REGARDING THE ADJUSTABLE COMFORT AND CUSTOM UPHOLSTERY OF THE DRIVER AND THE PASSENGER HEAD RESTRAINT. *PE
01053
SUBJECT REGARDING CUSTOMER SATISFACTION CAMPAIGN INLET ELBOW SEPARATION. ENCLOSED WITH THE 01053 BULLETIN MAILING, DEALERS WILL RECEIVE A ONE PAGE SUPPLEMENT FOR CAMPAIGN 01019. THIS SUPPLEMENT PROVIDES A CORRECTION TO THE LABOR TIME FOR LABOR OPERATION V0738. *SLC
280301
THIS COMMUNICATION IS TO PROVIDE DEALER PERSONNEL WITH THE SAME INFORMATION THAT WAS PROVIDED IN A CUSTOMER NOTIFICATION LETTER TO ALL REGISTERED OWNERS OF MEDIUM DUTY C AND B SERIES VEHICLES EQUIPPED WITH AN IMPCO LIQUEFIED PETROLEUM GAS (LPG) CONVERSION KIT. SOME OF THESE VEHICLES EXHIBIT A CONDITION IN WHICH THE ENGINE MAY BACKFIRE AND FRACTURE THE PLASTIC INLET ELBOW WITHIN THE ENGINE COMPARTMENT. *TT
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.