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
Service Bulletin/Repair Instructions
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
PIP-4695
Service Bulletin/Repair Instructions
GM: LOSS OF POWER HESITATES ON ACCELERATION. 4.3, 4.8, 5.3, 5.7 AND 6.0 ENGINES COUPLED WITH THE 4L60E OR 4L65E MAY EXPERIENCE A CONDITION OF HESITATES, MISSES OR LOSS OF POWER UNDER ACCELERATION. THE VEHICLE MAY OPERATE AS IF IT IS IN REDUCED POWER MODE. *PE
01043
Service Bulletin/Repair Instructions
SOME VEHICLES HAVE AN INTERNAL COMPONENT IN THE 2ND AND 3RD ROW OUTBOARD SEAT BELT RETRACTOR THAT MAY BE CRACKED, WITH REPEATED ACTUATION OF THE LOCKING MECHANISM, THE CRACK COULD PROPAGATE TO THE POINT WHERE THE SEAT BELT WOULD NO LONGER LOCK. *SLC
000864018A
Service Bulletin/Repair Instructions
SOME CUSTOMERS MAY COMMENT THAT THE REAR DOOR WINDOW IS INOPERATIVE. *JB
000864014
Service Bulletin/Repair Instructions
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES NEW FACTORY SETTINGS FOR THE AUTOMATIC DOOR LOCK FEATURE. *TT