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
02047
SUPPLEMENT TO 03-06-04-002 4HEI-TC DIESEL ENGINE - COLD WEATHER NO START. ALSO INCLUDES 2002, 2003 AND 2004 MEDIUM DUTY. *TT
010604021
SOME W SERIES MEDIUM DUTY TILT CAB MODELS MAY EXPERIENCE PCV SYSTEM FREEZE-UP WHEN OPERATED IN EXTREMELY COLD WEATHER CONDITIONS, CAUSING THE ENGINE REAR MAIN SEAL TO LEAK. *TT
200900
THIS SUBJECT INVOLVES 1990 THROUGH 2000 MODEL YEAR MEDIUM DUTY VEHICLES WITH ANTI-LOCK BRAKE SYSTEM (ABS) EXHIBITING A RED PRIMARY BRAKE LIGHT ON AFTER THE INSTALLATION OF A SERVICE (ABS) ANTI-LOCK BRAKE SYSTEM MODULE. *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.