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Service bulletins for the 2002 Chevrolet Blazer

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.

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

By type

By component

By trouble code

Bulletins, newest first
0308680012003-08-27. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. REVISED CRUISE CONTROL INOPERATIVE / MALFUNCTIONING DIAGNOSTIC INFORMATION. *TT
0101032003-04-28. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. MANUAL TRANSMISSION SHIFTER POPS OUT OF 2ND, 4TH OR REVERSE GEARS. *TT
020421005A2003-04-15. Service bulletin. POWER TRAIN. SLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR. *TT
020525006A2003-03-28. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY. *TT
0201380052003-03-28. Service bulletin. EQUIPMENT:ELECTRICAL. REVISED HEATER / VENT MODULE REPLACEMENT. *TT
0206040592003-03-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE RUNS ROUGH, SERVICE ENGINE SOON LIGHT ON, DIAGNOSTIC TROUBLE CODES P0300 OR P0335 SET. *TT
0205250062003-02-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT
2607022002-11-22. Service bulletin. ELECTRICAL SYSTEM. SOME VEHICLES MAY EXHIBIT A NO START CONDITION ADTER SITTING OVER 24 HOURS AND / OR REAR TAILGATE GLASS IS INOPERATIVE. *TT
0528022002-11-13. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. REPORTS ABOUT MISSING CLAMPS ON THE OVERFLOW HOSE BETWEEN THE RADIATOR AND COOLANT RESERVOIR. *TT
010732002-11-09. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. INFORMATION CLARIFYING RECALL 01073 - STOP LAMPS / HAZARD LAMPS INOPERATIVE. *TT
010732002-11-09. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:SWITCH. SAFETY RECALL 01073 REGARDING THE MULTIFUNCTION SWITCH WHICH MAY DEVELOP AN OPEN CIRCUIT CONDITION WITH THE BOTTOM CONTACT IN THE HAZARD SWITCH CARRIER THAT RESULTS IN THE STOP LAMPS AND HAZARD LAMPS BECOMING INOPERATIVE. *TT
0628022002-11-08. Service bulletin. STRUCTURE:BODY. SOME CUSTOMERS MAY COMPLAIN OF WET CARPET IN THE CARGO AREA, ALONG THE DITCH SEAM OR ROOF SEAM SEALERS. *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
0204210052002-10-10. Service bulletin. POWER TRAIN. SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT
0206050022002-10-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SOME CUSTOMERS MAY COMMENT ON AN EXHAUST BOOM / GROAN NOISE IN THE PASSENGER COMPARTMENT. *TT
0208570042002-10-03. Service bulletin. STRUCTURE:BODY. SUBJECT REGARDING GENERAL WATERLEAK GUIDE. *TT
010732002-09-28. Service bulletin. EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:SWITCH. PRODUCT SAFETY RECALL REGARDING INOPERATIVE STOP AND HAZARD LAMPS FOR VARIOUS MODLES INCLUDING THE 2000-2001 CHEVY TRAILBLAZER. *TT
2602022002-04-09. Service bulletin. UNKNOWN OR OTHER. INFORMATION ON DIAGNOSING MILDEW ODOR OR WET CARPET COMPLAINTS IN THE FRONT PASSENGER SEAT AREA. *TT
0107300382002-03-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME CUSTOMERS MAY COMMENT THAT THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT
0107300432002-03-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING DIAGNOSTIC TIPS FOR SLIPPING OR MISSING SECOND, THIRD AND/OR FOURTH GEAR. *TT
0107300362002-02-26. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SERVICE ENGINE SOON LAMP ILLUMINATED, INCORRECT TRANSMISSION SHIFTS, POOR PERFORMANCE OF ENGINE, TRANSMISSION SLIPPING. *YH
3008012001-11-20. Service bulletin. WHEELS. INFORMATION REGARDING OPERATED IN HOT CLIMATES MAY EMIT AN ODOR FROM THE UNDER HOOD RIGHT OR LEFT FRONT WHEEL AREA. *YH

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