WenmarOpen by Wenmar Pro

Service bulletins for the 2006 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
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
37752006-01-06. Service bulletin. ENGINE AND ENGINE COOLING. WHINE NOISE FROM ENGINE AREA ON DECELERATION. *TT
37762006-01-06. Service bulletin. ELECTRICAL SYSTEM. CRUISE AND CHECK GAUGES INDICATORS INOPERATIVE ON THE IPC. *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
0508440272005-12-05. Service bulletin. ELECTRICAL SYSTEM. INFORMATION ON VEHICLES WITH A STORED HISTORY DTC B1259 ANTENNA GROUND CIRCUIT. *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
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
0507300212005-11-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. IGNITION KEY WILL NOT REMOVE FROM IGNITION LOCK CYLINDER. *TT
0501380122005-11-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. EI05082 - LOSS OF BLOWER MOTOR SPEEDS EXCEPT FOR HIGH SPEED OR INOPERATIVE. *TT UPDATED. *KB UPDATED *KB
34242005-11-02. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT
36562005-10-20. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. REPEAT REAR BLOWER MOTOR FAILURE OR INOPERATIVE. *TT UPDATED 12/5/08. *PE UPDATED 08/06/2012 *JS
36972005-09-21. Service bulletin. ELECTRICAL SYSTEM. ANTI-LOCK BRAKING SYSTEM (ABS) AND SERVICE ENGINE SOON (SES) LIGHT ON WITH DIAGNOSTIC TROUBLE CODES C0055 B0540 SPEEDOMETER INOPERATIVE. TO INCLUDE 2005-2006 SAAB 9-7X. *TT
36802005-09-21. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. AUTOMATIC HEADLAMP DEFEAT INOPERATIVE AFTER BCM REPLACEMENT. *TT
36822005-09-21. Service bulletin. SERVICE BRAKES, HYDRAULIC. REVISED BRAKE BLEED PROCEDURES FOR 2006 MIDSIZED UTILITIES. TO INCLUDE 2006 SAAB 9. *TT
33092005-04-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INVESTIGATION OF EXTENSION SEAL LEAKS ON 4L60E AUTOMATIC TRANSMISSION. *TT
3300C2005-04-18. Service bulletin. ELECTRICAL SYSTEM:HORN. APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT
3061C2004-12-03. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT
32222004-12-03. Service bulletin. SUSPENSION:FRONT:SPRINGS:COIL SPRINGS; POWER TRAIN. INTERMITTENT BOOM, RUMBLING NOISE AT HIGHWAY SPEED. *TT UPDATED 2/27/08. *NJ
32082004-12-02. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. 4WD INOPERATIVE AND OR ERRATIC FUEL GAUGE AND OR DIAGNOSTIC TROUBLE CODE'S. *EH
31702004-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH 1-2 SHIFT. *EH
0108660072004-11-22. Service bulletin. INTERIOR LIGHTING; STRUCTURE:BODY:HATCHBACK/LIFTGATE. CENTER HIGH-MOUNT STOP LAMP (CHMSL) APPLIQUE LOOSE (RE-TAPE APPLIQUE) *TT UPDATED 11/02/07 *NJ
31542004-11-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MISFIRE, BUMP OR MULTIPLE BUMPS AFTER A 1-2 UPSHIFT. *TT

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