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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
016762004-06-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. 4.2 4L60E ENGINE COOLING FAN CONTACTS SHROUD AFTER REPLACING RADIATOR. *MR
016232004-06-03. Service bulletin. ELECTRICAL SYSTEM. 4.2 LL8 ENGINE DIAGNOSTIC TROUBLE CODE P0016 OR P1345 WITH NO DRIVEABILITY SYMPTOMS.*MR
020382004-05-20. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE B1000. *MR
018162004-05-07. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE P0130. *MR *TT
019252004-05-06. Service bulletin. ELECTRICAL SYSTEM. TECH 2 ENGINE DATA INCORRECT- GEN L-TERMINAL SIGNAL COMMAND DATA PARAMETER. *MR
019002004-05-04. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. UNDER HOOD FUSE BLOCK - 125 AMP MEGA FUSE BLOWN. ALSO INCLUDING BUICK RAINIER 2002, 2003. *MR
01663A2004-04-27. Service bulletin. STRUCTURE. VIBRATION NOISE FROM UNDER HOOD, SOUNDS LIKE SHEET METAL VIBRATING. *TT
017642004-04-27. Service bulletin. FUEL SYSTEM, GASOLINE. VEHICLE DIFFICULT TO FILL WITH FUEL/ FILLING STATION PUMP SHUTS OFF BEFORE TANK FULL. ALSO INCLUDING 2003 BUICK RAINIER. *MR
020526001B2004-04-16. Service bulletin. PARKING BRAKE; SERVICE BRAKES, AIR. REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT
0309400062004-03-05. Service bulletin. SEAT BELTS:FRONT:RETRACTOR. INFORMATION ON AVOIDING FRONT SEAT BELT RETRACTOR JAMMING WHEN STORING SEAT BELT. *TT UPDATED *EH
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT
030601028A2004-03-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON CORRECT PISTON USAGE. *TT UPDATED *EH
007022004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2-4 BAND 3-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION. *TT *MJ
00822B2004-02-28. Service bulletin. POWER TRAIN. NO 2ND, NO 4TH AND NO REVERSE. TO INCLUDE 2004 LIGHT DUTY AUTOMOBILES AND TRUCKS EQUIPPED WITH 4L60E OR 4L65E AUTOMATIC TRANSMISSION. *TT
00682A2004-02-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PERCEIVED HIGH ENGINE RPM TRANSMISSION SLIP, DELAYED UPSHIFTS ON COLD START. SIT BULLETIN 1416476.
015772004-02-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO DISPLAYS CALIBRATION ERROR AFTER REPLACING RADIO. *MN
015732004-02-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. RATTLE NOISE AND/OR TRANSMISSION FLUID LEAK FROM TRANSMISSION COOLER LINE CONTACT WITH CATALYTIC CONVERTER. *TT *MJ
00540B2004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL LEAK AT INTAKE GASKET. SIT BULLETIN 1412496. *TT
0810B2004-02-24. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. TICK NOISE AT IDLE. *TT
0308111002A2004-02-11. Service bulletin. STRUCTURE:BODY. PAINT CHIPPING BEHIND FRONT WHEELS/FRONT OF REAR WHEELS, DAMAGED LOWER DOOR/CLADDING AND ROCKER PANELS. *TT THIS SERVICE BULLETIN REPLACES 0308111002. *EH UPDATE. *TT
0308630032004-02-11. Service bulletin. STRUCTURE:BODY. RATTLE FROM FRONT OF VEHICLE. *TT
0302350062004-02-10. Service bulletin. STEERING. REVISED STEERING WHEEL REPLACEMENT PROCEDURE. *TT
030604018A2004-02-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. COLD IDLE FLUCTUATION AT ALTITUDE, HESITATION ON ACCELERATION OR 1-2 UPSHIFT DELAY. *TT
020309002B2004-02-10. Service bulletin. SUSPENSION. INTERMITTENT BOOM, RUMBLING NOISE AND / OR DISTURBANCE HEARD IN PASSENGER COMPARTMENT WHILE DRIVING AT HIGHWAY SPEEDS. *TT
010604052A2004-02-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ON-BOARD DIAGNOSTIC (OBD) SYSTEM IMPROVEMENTS - SERVICE ENGINE SOON LIGHT ON, DIAGNOSTIC TROUBLE CODE (DTC) P0014, P0116, OR P1683 SET, DELAYED TRANSMISSION DOWNSHIFT AND/OR EXCESSIVE FAN NOISE. *TT

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