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
010601022
Service Bulletin/Repair Instructions
SUBJECT ON INFORMATION ON ENGINE KNOCK ON COLD START FOR PICKUP AND UTILITY MODELS. *ET
010856004
Service Bulletin/Repair Instructions
THE SECURITY LAMP ILLUMINATES WHILE DRIVING; THE ENGINE CRANKS BUT WILL NOT START; AND / OR THE ENGINE STARTS THEN STALLS AND THE SECURITY LAMP IS FLASHING. *TT
01050
Service Bulletin/Repair Instructions
SOME VEHICLES HAVE A BRAKE SYSTEM WARNING LIGHT IN THE INSTRUMENT CLUSTER THAT MAY NOT ILLUMINATE WHEN THE BRAKE FLUID IS LOW, WHEN THIS OCCURS, THE VEHICLE MAY NOT MEET THE PARTIAL SYSTEM REQUIREMENT OF REDUCED BRAKING CAPABILITY. *SLC
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
010730007
Service Bulletin/Repair Instructions
THIS BULLETIN IS TO INFORM DEALERS OF THE RELEASE OF A NEW TORQUE CONVERTER BOLT FOR CERTAIN TRANSMISSIONS. *TT
000864014
Service Bulletin/Repair Instructions
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES NEW FACTORY SETTINGS FOR THE AUTOMATIC DOOR LOCK FEATURE. *TT
3170E
Service Bulletin/Repair Instructions
IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2