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Service bulletins for the 2002 Chevrolet Trailblazer

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

643 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
020162002-11-10. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. PRODUCT SAFETY RECALL 02016 REGARDING A CONDITION WHERE A FUEL FILTER FITTING MAY BECOME DISCONNECTED. *TT
0430022002-11-10. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. INFORMATION ON INSTALLING ROOF RACK CROSSBOWS REVERSED TO REDUCE WIND NOISE. *TT
0426022002-11-10. Service bulletin. STRUCTURE:BODY. SUBJECT REGARDING VEHICLES INCORRECTLY BUILT WITH LTZ BADGES ON THE B-PILLARS. *TT
0415022002-11-09. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. INFORMATION PERTAINING TO THE UNDERHOOD UPPER RADIATOR SUPPORT BAFFLE OR BEAUTY COVER. *TT
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
0204210062002-10-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. SOME CUSTOMERS MAY COMMENT THAT THE 4WD/AWD INDICATOR LIGHTS ON THE SELECTOR SWITCH DO NOT WORK OR THE 4WD/AWD SYSTEM MAY BE INOPERATIVE. *TT
0201390032002-10-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. CONCERNS WITH EXT AND XL MODELS EXHIBITING INOPERATIVE REAR HVAC CONTROLS AND / OR DIAGNOSTIC TROUBLE CODE B0150. *TT
020139003A2002-10-10. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. CONCERNS WITH EXT AND XL MODELS EXHIBITING INOPERATIVE REAR HVAC CONTROLS AND / OR DIAGNOSTIC TROUBLE CODE B0150. *TT
0203090022002-10-10. Service bulletin. SUSPENSION. SOME CUSTOMERS MAY COMMENT ON AN INTERMITTENT BOOMING, RUMBLING NOISE AND / OR DISTURBANCE HEARD IN THE PASSENGER COMPARTMENT WHILE DRIVING AT HIGHWAY SPEEDS. *TT
0206010202002-10-07. Service bulletin. UNKNOWN OR OTHER. SUBJECT REGARDING CHANGE TO FLYWHEEL TO CRANKSHAFT ATTACHING BOLTS. *TT
0206010122002-10-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. INFORMATION PERTAINING TO REVISED HARMONIC BALANCER. *TT
0208460052002-10-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDNG THE ADDITION OF DIAGNOSTIC TROUBLE CODE U1500 FOR GENERATION 4 ONSTAR. *TT
0208610022002-10-04. Service bulletin. STRUCTURE:BODY. SOME CUSTOMERS MAY COMMENT THAT THE ASSIST STEP SKID PAD IS WARPED. *TT
0208490042002-10-04. Service bulletin. UNKNOWN OR OTHER. SOME CUSTOMERS MAY COMMENT THAT AT TIMES ALL THE INSTRUMENT PANEL CLUSTER GAUGES ARE INOPERATIVE OR READ ZERO AT TIMES. *TT
0208670042002-10-03. Service bulletin. STRUCTURE. SOME CUSTOMERS MAY COMMENT THAT THE HEADLINER SAGS AT THE REAR OF THE SUNROOF OPENING. *TT
0208460082002-10-03. Service bulletin. UNKNOWN OR OTHER. INFORMATION REGARDING THE ON-STAR MODULE COVER RETAINING TAB BREAKING. *TT
0208670052002-10-03. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. SUBJECT REGARDING PROPER POSITION AND INSTALLATION OF ROOF RACK CROSS RAILS TO REDUCE WIND NOISE. *TT
0208640082002-10-03. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. SOME CUSTOMERS MAY COMMENT THAT THE OUTSIDE REARVIEW MEMORY MIRRORS MAY WANDER OR MAY NOT GO BACK TO A PREVIOUSLY SET POSITION. *TT
0208660042002-10-03. Service bulletin. STRUCTURE:BODY. SOME CUSTOMERS MAY COMMENT THAT THE PAINT ON THE LIFTGATE AROUND THE EDGES OF THE LICENSE PLATE HOUSING OR POCKET APPEARS TO BE RUBBING THROUGH OR WEARING OFF. *TT
02081110042002-10-03. Service bulletin. EQUIPMENT:OTHER:LABELS. SOME EXT OWNERS MAY COMMENT THAT THE EMBLEM ON THE REAR SIDE DOORS READS LTZ. *TT
0208640172002-09-28. Service bulletin. ELECTRICAL SYSTEM. SOME CUSTOMES MAY COMMENT THAT THE VEHICLE WILL NOT START AND / OR THE DOOR ELECTRICAL FUNCTIONS MAY BE INOPERATIVE. *TT
0208620012002-09-28. Service bulletin. STRUCTURE:BODY. SOME CUSTOMERS MAY COMMENT THAT THE FRONT FASCIA ON THE VEHICLE APPEARS TO BE LOOSE. *TT
0103080052002-07-15. Service bulletin. SUSPENSION. THIS BULLETIN IS BEING ISSUED TO CLARIFY THE TORQUE SPECIFICATIONS AND THE PROPER TIGHTENING SEQUENCE FOR THE FASTENERS UTILIZED TO SECURE THE LOWER CONTROL ARM BRACKET TO THE VEHICLE FRAME. *TT
00900012002-07-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SUBJECT REGARDING GM OIL LIFE SYSTEM. *TT
0108490162002-06-20. Service bulletin. EQUIPMENT:ELECTRICAL. VEHICLES MAY EXPERIENCE AN INOPERATIVE CIGARETTE LIGHTER. *SLC

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.