The manufacturer’s record · Page 2 of 2

2003 Chevrolet TRAILBLAZER EXT
Manufacturer communications & TSBs.Page 2

Original record summaries, dates and identifiers for this model-year. Records 101–117 of 117, ordered newest first. Dated records on this page: Aug 1, 2003–Jun 1, 2007.

Back to 2003 Chevrolet TRAILBLAZER EXT problems & recalls
Read the applicability before drawing a conclusion.

This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.

NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.

Jun 1, 2007Service Bulletin/Repair Instructions

040525002

NHTSA communication ID: 10022470

NHTSA source summary · Original PDF not reviewed by Recallfolio

ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB

Source components: SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT.

Source record 10022470 at NHTSA
Aug 1, 2006Service Bulletin/Repair Instructions

060866011

NHTSA communication ID: 10020523

NHTSA source summary · Original PDF not reviewed by Recallfolio

REAR LIFTGATE BINDS, IMPROPER FIT. MAY BE CAUSED BY BROKEN WELDS OR CRACKS FORMED AROUND THE TWO INNER WELDS. *KB

Source components: STRUCTURE:BODY:HATCHBACK/LIFTGATE.

Source record 10020523 at NHTSA
May 2, 2006Service Bulletin/Repair Instructions

040604090

NHTSA communication ID: 10013439

NHTSA source summary · Original PDF not reviewed by Recallfolio

SERVICE ENGINE SOON (SES) LIGHT ON, DIAGNOSTIC TROUBLE CODE (DTC) P0483. *TT

Source components: ENGINE AND ENGINE COOLING:ENGINE.

Source record 10013439 at NHTSA
Jun 1, 2005Service Bulletin/Repair Instructions

040604076

NHTSA communication ID: 10012723

NHTSA source summary · Original PDF not reviewed by Recallfolio

INFORMATION ON UNSTABLE/ROUGH/LUMPY ENGINE IDLE, AND LOW SPEED VEHICLE SURGE, RANDOM DISTURBANCE OR VEHICLE SHUDDER. *TT

Source components: ENGINE AND ENGINE COOLING:ENGINE.

Source record 10012723 at NHTSA
Jan 1, 2005Service Bulletin/Repair Instructions

020526001B

NHTSA communication ID: 10006115

NHTSA source summary · Original PDF not reviewed by Recallfolio

REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT

Source components: SERVICE BRAKES, AIR.

Source record 10006115 at NHTSA
Dec 1, 2004Service Bulletin/Repair Instructions

3152

NHTSA communication ID: 10009989

NHTSA source summary · Original PDF not reviewed by Recallfolio

BLOWER SPEED CHANGES ON ITS OWN. *TC UPDATE. *TT

Source components: EQUIPMENT:APPLIANCE:AIR CONDITIONER.

Source record 10009989 at NHTSA
Sep 29, 2004Service Bulletin/Repair Instructions

04017A

NHTSA communication ID: 10010181

NHTSA source summary · Original PDF not reviewed by Recallfolio

TAIL LAMP/STOP LAMP(S) MAY BECOME INOPERATIVE. GM ADMINISTRATIVE MESSAGE. *NM

Source components: EXTERIOR LIGHTING:TAIL LIGHTS.

Source record 10010181 at NHTSA
Sep 1, 2004Service Bulletin/Repair Instructions

040845010

NHTSA communication ID: 10011074

NHTSA source summary · Original PDF not reviewed by Recallfolio

VARIOUS INTERIOR ELECTRICAL CONCERNS, IP GAUGES/LIGHTING INOPERATIVE, HVAC CONTROLS INOPERATIVE, BLOWER MOTOR INOPERATIVE, RADIO INOPERATIVE, FLASHER INOPERATIVE. *TT

Source components: ELECTRICAL SYSTEM.

Source record 10011074 at NHTSA
Jan 1, 2004Service Bulletin/Repair Instructions

3151

NHTSA communication ID: 10009986

NHTSA source summary · Original PDF not reviewed by Recallfolio

INSIDE REAR VIEW MIRROR DOES NOT DISPLAY AMBIENT TEMPERATURE WITH CJ2 OPTION. *TC

Source components: VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR.

Source record 10009986 at NHTSA
Jan 1, 2004Service Bulletin/Repair Instructions

02023

NHTSA communication ID: 10007212

NHTSA source summary · Original PDF not reviewed by Recallfolio

INTERMITTENT NO CRANK NO START. SECURITY LIGHT MAY BE ON OR OFF. 4.2 LL8 ENGINE. *NM

Source components: ENGINE AND ENGINE COOLING:ENGINE.

Source record 10007212 at NHTSA
Jan 1, 2004Service Bulletin/Repair Instructions

01676

NHTSA communication ID: 10007188

NHTSA source summary · Original PDF not reviewed by Recallfolio

4.2 4L60E ENGINE COOLING FAN CONTACTS SHROUD AFTER REPLACING RADIATOR. *MR

Source components: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN.

Source record 10007188 at NHTSA
Jan 1, 2004Service Bulletin/Repair Instructions

01899

NHTSA communication ID: 10006474

NHTSA source summary · Original PDF not reviewed by Recallfolio

INITIALIZATION AND RE-INITIALIZATION OF SUNROOF MDIV MOTOR. ALSO INCLUDING 2003 BUICK RAINIER, AND 2004 CHEVROLET TRAILBLAZER EXT. *MR

Source components: VISIBILITY:SUN/MOON ROOF ASSEMBLY.

Source record 10006474 at NHTSA
Jan 1, 2004Service Bulletin/Repair Instructions

01900

NHTSA communication ID: 10006472

NHTSA source summary · Original PDF not reviewed by Recallfolio

UNDER HOOD FUSE BLOCK - 125 AMP MEGA FUSE BLOWN. ALSO INCLUDING BUICK RAINIER 2002, 2003. *MR

Source components: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS.

Source record 10006472 at NHTSA
Aug 1, 2003Service Bulletin/Repair Instructions

030866008

NHTSA communication ID: 10012578

NHTSA source summary · Original PDF not reviewed by Recallfolio

PERIMETER SEAL/GASKET PULLS AWAY FROM LICENSE PLATE HOUSING AND/OR EXCESSIVE ADHESIVE AROUND GASKET. *TT

Source components: STRUCTURE:BODY.

Source record 10012578 at NHTSA
Not reportedService Bulletin/Repair Instructions

3170E

NHTSA communication ID: 10019186

NHTSA source summary · Original PDF not reviewed by Recallfolio

IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2

Source components: EXTERIOR LIGHTING:HEADLIGHTS · INTERIOR LIGHTING.

Source record 10019186 at NHTSA
Not reportedService Bulletin/Repair Instructions

3335

NHTSA communication ID: 10017179

NHTSA source summary · Original PDF not reviewed by Recallfolio

SUPPLEMENT TO CAMPAIGN 04087 / SCREWS BREAK IN THE TAIL LAMP HOUSING. *SC

Source components: EXTERIOR LIGHTING:TAIL LIGHTS.

Source record 10017179 at NHTSA
Not reportedService Bulletin/Repair Instructions

3110A

NHTSA communication ID: 10010201

NHTSA source summary · Original PDF not reviewed by Recallfolio

WASHER MOTOR FOR THE FRONT WIPERS CONTINUOUSLY RUNS WHILE THE KEY ON. *SC UPDATE. *TT

Source components: VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR.

Source record 10010201 at NHTSA