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Service bulletins for the 2005 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.

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

By type

By component

By trouble code

Bulletins, newest first
7022005-09-09. Service bulletin. STRUCTURE:BODY. INSTRUMENT PANEL CLUSTER IS HARD TO READ DURING SUNLIGHT HOURS. GM TECH LINKS. *TT
6122005-08-12. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. WIND NOISE GENERATED BY THE PRESENCE OF ROOF RACK CROSS RAILS. THE DISTURBANCE BECOMES MORE NOTICEABLE IF THE CROSS RAILS ARE PLACED IN POSITIONS OVER THE DRIVER AND PASSENGER SEATING AREAS. GM TECH LINK. *TT
7012005-08-11. Service bulletin. FUEL SYSTEM, OTHER. FUEL FILTER REPLACEMENT. GM TECH LINK. *TT
7012005-08-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. WHEN PLAYING A CD THE RADIO DISPLAYS THE LAST TRACK NUMBER FOR ABOUT 5 SECONDS, BUT THERE IS NO AUDIO AND THE DISPLAY CHANGES TO READING FOR ABOUT 15 SECONDS. THEN IT MAY PLAY THE CD OR EJECT THE CD WITH A CHECK CD MESSAGE. *TT
030220052005-05-17. Service bulletin. ELECTRICAL SYSTEM. ATTEMPTING TO PROGRAM THE PCM IN THESE PARTICULAR VEHICLES THAT THE SOFTWARE IS FAILING AND IS LOCKING UP THE CONTROLLER. *EH
0508590012005-05-16. Service bulletin. STRUCTURE:BODY. CENTER CONSOLE LID SQUEAK/RATTLE. *TT
0508420012005-05-14. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. DIAGNOSTIC INFORMATION ON HEADLAMPS FLICKER OR MOMENTARILY DIM WHILE DRIVING. *TT
0506040172005-05-13. Service bulletin. ENGINE AND ENGINE COOLING. THROTTLE TIP-IN CLUNK NOISE AT LOW SPEEDS. *TT
33692005-05-11. Service bulletin. POWER TRAIN. TO BETTER UNDERSTAND SPRAG DAMAGE AN ENGINEERING INVESTIGATION IS BEING CONDUCTED. TYPICAL SYMPTOMS INCLUDE NO FORWARD MOVEMENT IN D4 OR D3 SHIFT LEVER POSITION. MOVEMENT CAN BE OBTAINED IN D2, D1 OR REVERSE. *TT
35022005-05-11. Service bulletin. STRUCTURE:BODY. RUNNING BOARD (ASSIST STEP) BRACKET FASTENER/BOLT REDUCTION. *TT
33632005-05-11. Service bulletin. POWER TRAIN. 4L60E/4L65E NO REVERSE. *TT
3335A2005-05-11. Service bulletin. POWER TRAIN. INVESTIGATION OF PUMP AREA LEAKS. *TT
32322005-05-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT
33512005-05-11. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) C0374 OR ERRATIC 4WD/AWD OPERATION. *TT
030920052005-05-10. Service bulletin. ELECTRICAL SYSTEM. PROGRAMMING THR ECM. *EH
030920052005-05-10. Service bulletin. SERVICE BRAKES, HYDRAULIC. SQUEAK OR A SQUEEGEE TYPE NOISE WHEN THE BRAKE PEDAL IS APPLIED OR RELEASED. *EH
030920052005-05-10. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. CDS STICK IN CD PLAYER. *EH
070120042005-04-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. OIL LIFE SYSTEM RESET PROCEDURES-TRUCKS. BUICK TERAZZA 2005, GMC SIERRA DENALI 2002-2003, GMC B7 CHASSIS MEDIUM DUTY 2003-2005 AND GMC 560 C-SERIES 2003-2005 *SC
33002005-04-21. Service bulletin. POWER TRAIN:DRIVELINE. 4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH
33942005-04-21. Service bulletin. STRUCTURE:BODY. CUT OR DAMAGED EDGES ON CARGO OR FLOOR MATS OPTION. THIS INCLUDES 2005 CHEVROLET GMC AND BUICK MID SIZED UTILITIES. *EH
33092005-04-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INVESTIGATION OF EXTENSION SEAL LEAKS ON 4L60E AUTOMATIC TRANSMISSION. *TT
33732005-04-21. Service bulletin. AIR BAGS. SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
33512005-04-20. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. HEATED SEAT OPERATION CLARIFICATION. *TT
32802005-04-20. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. RUST FOUND IN THE INJECTOR INLET FILTER DURING INJECTOR REPAIRS. *TT
3317A2005-04-20. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HEADLAMPS FLICKER OR DIM WHILE DRIVING. *TT

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