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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
38322006-02-22. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS, RED BRAKE ,SVC AND 4WD LIGHT ON HVAC BLOWER INOPERATIVE. *AK UPDATED 1/30/08. *NJ
36822006-02-22. Service bulletin. FUEL SYSTEM, OTHER. ACTIVE FUEL MANAGEMENT VEHICLE IDENTIFICATION. *AK
38572006-02-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUPPLEMENT TO BULLETIN 05-01-37-002A, POOR HEAT PERFORMANCE. *AK
38572006-02-21. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. SUPPLEMENT TO BULLETIN 05-01-37-002A, POOR REAR HEAT PERFORMANCE . *AK
17501772006-02-17. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. ABS BRAKE SVC AND 4WD LIGHT ON HVAC BLOWER INOPERATIVE. *AK
3170E2006-02-16. Service bulletin. INTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS. IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2
3802A2006-02-16. Service bulletin. ELECTRICAL SYSTEM. TIRE PRESSURE MONITOR FAULT WITH TIRE PRESSURE DISPLAY OF ZERO ON THE INSTRUMENT PANEL. *TT
0503080142006-02-01. Service bulletin. SUSPENSION. REVISED STABILIZER SHAFT REPLACEMENT. *TT
0506020122006-01-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) OR CHECK ENGINE LIGHT ON, DTC P0526, P0480, P1481, AND P1484 SET. *TT UPDATED. *KB
0506010342006-01-12. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL LEAK AT REAR COVER ASSEMBLY AREA. *TT
0507300312006-01-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION TORQUE CONVERTER CLUTCH (TCC) SHUDDER, WATER IN TRANSMISSION (REPAIR TRANSMISSION AND REPLACE TRANSMISSION FILLER TUBE, LEVEL INDICATOR AND SEAL). *AK
37792006-01-09. Service bulletin. SERVICE BRAKES, HYDRAULIC. SQUEAK NOISE ON BRAKE APPLY. *TT
36142006-01-06. Service bulletin. ENGINE AND ENGINE COOLING. P0300 DUE TO RANDOM MISFIRES NOT FELT - POSSIBLE ACCESSORY PULLEY. *TT
37662006-01-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. FRONT BLOWER INOPERATIVE STAY RUNNING DURING LOW AMBIENT TEMPERATURE. *TT
36262006-01-06. Service bulletin. ENGINE AND ENGINE COOLING. SES LIGHT WITH P0613 OR P0614 ON TECH 2 - DTCS NOT IN SI. *TT
36372006-01-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. EV COOLING FAN NOISE CHARACTERISTICS - DO NOT REPLACE EV FAN. *TT
3609A2006-01-06. Service bulletin. POWER TRAIN. HARSH 1-2 SHIFT, MALFUNCTION INDICATOR LAMP ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0894 STORED IN PCM. *TT
050844026A2005-12-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION RADIO LOSES SOME OPTIONS, DIMS OR GOES BLANK AFTER A FEW HOURS OF USE (BULLETIN CANCELLED-NO ACTION REQUIRED). *TT
0506010262005-12-02. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON USE OF BOLT EXTRACTOR TOOL KIT PART NUMBER EN-47702 FOR REMOVING BROKEN CYLINDER HEAD OR MAIN BEARING CAP BOLTS ON INLINE TRUCK ENGINES. *TT
05-04-21-0032005-11-09. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE
0404210042005-11-08. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). 4WD SWITCH INDICATOR LIGHTS FLASHING, 4WD INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0550 SET. *TT
0402320072005-11-08. Service bulletin. STEERING. STEERING SYSTEM MOAN, GROAN, SHUDDER AND/OR VIBRATION TYPE NOISE DURING LOW SPEED TURNING MANEUVERS. *TT
34322005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK FROM REAR OF CRANKSHAFT - INSPECT FOR CRANKSHAFT POROSITY. *TT
3204B2005-11-07. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE. INSTALLATION OF AN AFTERMARKET TRAILER BRAKE MODULE. *TT
0506010142005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER). *TT

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