2002 Chevrolet Trailblazer EXT
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2002 Trailblazer EXT are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #020526001B
REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT Read More »
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TSB #040525002
ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB Read More »
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TSB #020526001B
REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT Read More »
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TSB #PI1394A
THIS INFORMATIONAL BULLETIN PROVIDES ADDITIONAL INFORMATION ON HOW TO INSTALL PISTONS AND SUGGEST WHAT TOOLS TO USE. Read More »
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TSB #000601012F
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES. Read More »
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TSB #02023
INTERMITTENT NO CRANK NO START. SECURITY LIGHT MAY BE ON OR OFF. 4.2 LL8 ENGINE. *NM Read More »
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TSB #01676
4.2 4L60E ENGINE COOLING FAN CONTACTS SHROUD AFTER REPLACING RADIATOR. *MR Read More »
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TSB #14423
14423 - SPECIAL COVERAGE. SOME VEHICLES CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »
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TSB #07076
BUICK\CHEVROLET\GMC\OLDSMOBILE SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT - FUEL TANK MODULAR RESERVOIR ASSEMBLY CORROSION. CSC LETTER WAS RECEIVED. UPDATED 11/6/08. Read More »
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TSB #GCUS-9-1522
14423C - SPECIAL COVERAGE (REVISED SERVICE PROCEDURE). A FUEL TANK INLET CHECK VALVE (ICV) COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »
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TSB #GCUS-9-1493
14423B - SPECIAL COVERAGE (REVISED PART INFORMATION AND SERVICE PROCEDURE). A FUEL TANK INLET CHECK VALVE (ICV) COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »
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TSB #14423A
14423A - SPECIAL COVERAGE (REVISED PART INFORMATION). SOME 2004 MODEL YEAR BUICK RAINIER, 2003-2004 MODEL YEAR CHEVROLET SSR, 2002-2004 MODEL YEAR CHEVROLET TRAILBLAZER, CHEVROLET TRAILBLAZER EXT, GMC ENVOY, GMC ENVOY XL, AND OLDSMOBILE ... Read More »
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TSB #14423
14423 - SPECIAL COVERAGE. SOME VEHICLES CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »
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TSB #07076
BUICK\CHEVROLET\GMC\OLDSMOBILE SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT - FUEL TANK MODULAR RESERVOIR ASSEMBLY CORROSION. CSC LETTER WAS RECEIVED. UPDATED 11/6/08. Read More »
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TSB #PIT5485B
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »
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TSB #PIC-5050-A
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. Read More »
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TSB #PIC-4935-E
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
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TSB #PIC4935E
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
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TSB #PIT5485A
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN, IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »
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TSB #08089-B
GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE Read More »
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TSB #040845010
VARIOUS INTERIOR ELECTRICAL CONCERNS, IP GAUGES/LIGHTING INOPERATIVE, HVAC CONTROLS INOPERATIVE, BLOWER MOTOR INOPERATIVE, RADIO INOPERATIVE, FLASHER INOPERATIVE. *TT Read More »
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TSB #3253
ANTI BRAKES SYSTEM BRAKE LIGHT AND OR SERVICE BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE C0238. *EH Read More »
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TSB #PIC-4935-E
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
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TSB #01900
UNDER HOOD FUSE BLOCK - 125 AMP MEGA FUSE BLOWN. ALSO INCLUDING BUICK RAINIER 2002, 2003. *MR Read More »
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TSB #08089-B
GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE Read More »
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TSB #3170E
IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2 Read More »
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TSB #04017A
TAIL LAMP/STOP LAMP(S) MAY BECOME INOPERATIVE. GM ADMINISTRATIVE MESSAGE. *NM Read More »
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TSB #3335
SUPPLEMENT TO CAMPAIGN 04087 / SCREWS BREAK IN THE TAIL LAMP HOUSING. *SC Read More »
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TSB #3151
INSIDE REAR VIEW MIRROR DOES NOT DISPLAY AMBIENT TEMPERATURE WITH CJ2 OPTION. *TC Read More »
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TSB #3110A
WASHER MOTOR FOR THE FRONT WIPERS CONTINUOUSLY RUNS WHILE THE KEY ON. *SC UPDATE. *TT Read More »
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TSB #3110A
WASHER MOTOR FOR THE FRONT WIPERS CONTINUOUSLY RUNS WHILE THE KEY ON. *SC UPDATE. *TT Read More »
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TSB #030866008
PERIMETER SEAL/GASKET PULLS AWAY FROM LICENSE PLATE HOUSING AND/OR EXCESSIVE ADHESIVE AROUND GASKET. *TT Read More »
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TSB #060866011
REAR LIFTGATE BINDS, IMPROPER FIT. MAY BE CAUSED BY BROKEN WELDS OR CRACKS FORMED AROUND THE TWO INNER WELDS. *KB Read More »
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TSB #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. Read More »
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TSB #3170E
IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2 Read More »
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TSB #14423
14423 - SPECIAL COVERAGE. SOME VEHICLES CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »
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TSB #PIT3271G
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT CHANGING THE TIRE AND WHEEL SIZE ON VEHICLES. Read More »
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TSB #PIC5050A
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. Read More »
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TSB #16NA260
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO ... Read More »
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TSB #PIC5088F
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN. THE VEHICLE'S XM RADIO ONLY HAS XM PREVEIW CHANNELS. Read More »
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TSB #PIT5485B
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »
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TSB #PIT5389A
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY BE UNABLE TO CONNECT TO ONSTAR USING THE WHITE, BLUE OR RED ONSTAR BUTTONS. Read More »
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TSB #PIT5485A
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN, IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »
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TSB #08089-B
GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE Read More »
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TSB #3152
BLOWER SPEED CHANGES ON ITS OWN. *TC UPDATE. *TT Read More »