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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.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
00372D2004-06-09. Service bulletin. EQUIPMENT:ELECTRICAL. ONSTAR SYSTEM IS ATTEMPTING AND/OR COMPLETING PHONE CALLS WHICH THE OPERATOR OF THE VEHICLE DID NOT INITIATE. *TT
015772004-02-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO DISPLAYS CALIBRATION ERROR AFTER REPLACING RADIO. *MN
0523032003-10-28. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONER LOW PRESSURE CYCLING SWITCH INTERMITTENTLY INOPERATIVE OR STUCK OPEN/ INTERMITTENT AIR CONDITIONER OPERATION AND/OR LOSS OF COLD AIR. *TT
010846002C2003-09-26. Service bulletin. EQUIPMENT. PROGRAMMING OF REPLACEMENT ONSTAR VEHICLE COMMUNICATION AND INTERFACE MODULES (VCIM). *TT
1213022003-09-13. Service bulletin. EQUIPMENT:ELECTRICAL. ERROR MESSAGES WHEN PROGRAMMING A NEW MODULE. *TT
020139006A2003-08-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DIAGNOSING POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER STOPS BLOWING COLD, AIR CONDITIONER CYCLES ON AND OFF. *TT
0301390072003-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONING (A/C) INOPERATIVE / INTERMITTENT, AIR CONDITIONER BLOWS WARM AIR. *TT
0308440022003-04-05. Service bulletin. EQUIPMENT:ELECTRICAL. RADIO AND / OR HVAC SYSTEMS CHANGE WHILE DRIVING. *TT
0306040112003-04-05. Service bulletin. EQUIPMENT:ELECTRICAL. PROGRAMMING / RE-PROGRAMMING, SETUP, CONFIGURATION OF MODULES. *TT
0201380062003-03-28. Service bulletin. EQUIPMENT:ELECTRICAL. REVISED COMPRESSOR OIL BALANCING PROCEDURE. *TT
0201390062003-02-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DIAGNOSING POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER STOPS BLOWING COLD, AIR CONDITIONER CYCLES ON AND OFF. *TT
0201390052003-02-10. Service bulletin. EQUIPMENT. HVAC SYSTEM INOPERATIVE FOR A DRIVE CYCLE, POOR HVAC SYSTEM PERFORMANCE IN HIGH AMBIENT TEMPERATURES. *TT
412002-11-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUBJECT REGARDING RADIO SPEAKER NOISE WITH BRAKE APPLIED. *TT
0430022002-11-10. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. INFORMATION ON INSTALLING ROOF RACK CROSSBOWS REVERSED TO REDUCE WIND NOISE. *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
02081110042002-10-03. Service bulletin. EQUIPMENT:OTHER:LABELS. SOME EXT OWNERS MAY COMMENT THAT THE EMBLEM ON THE REAR SIDE DOORS READS LTZ. *TT
0108490162002-06-20. Service bulletin. EQUIPMENT:ELECTRICAL. VEHICLES MAY EXPERIENCE AN INOPERATIVE CIGARETTE LIGHTER. *SLC
2009012001-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. CONCERNS WITH UNDERSTANDING THE DRIVER INFORMATION PERSONALIZATION LANGUAGE OPTIONS. *SLC
0108460052001-10-31. Service bulletin. EQUIPMENT:ELECTRICAL. UNABLE TO CONNECT TO ONSTAR FOLLOWING A DROPPED CELLULAR CALL DURING AN ONSTAR CONFIGURATION ATTEMPT. *TT
0108460022001-08-30. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). INFORMATION ON PROGRAMMING OF REPLACEMENT ONSTAR VEHICLE COMMUNICATION AND INTERFACE MODULES (VCIM). *TT

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