Total Complaints
14 filings
CHEVROLET TRAILBLAZER 360 · model year
14 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2003CHEVROLETTRAILBLAZER 360 carries 14 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 2 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2003 TRAILBLAZER 360 is electrical system with 5 filings, followed by air bags (2) and fuel system, gasoline:storage:tank assembly (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 57 investigation files overlapping the 2003 TRAILBLAZER 360, and 2 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
14 filings
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 5 |
| AIR BAGS | 2 |
| FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY | 1 |
| VISIBILITY:POWER WINDOW DEVICES AND CONTROLS | 1 |
| SUSPENSION | 1 |
| FUEL SYSTEM, OTHER | 1 |
| FUEL SYSTEM, GASOLINE | 1 |
| FUEL/PROPULSION SYSTEM | 1 |
| EXTERIOR LIGHTING | 1 |
TAKATA RECALL" TAIL LIGHTS NOT WORKING ANY MORE OUT NEW LIGHTBULBS IN AN A WEEK LATER STOP WORKING AGAIN
TAKATA RECALL" TAIL LIGHTS NOT WORKING ANY MORE OUT NEW LIGHTBULBS IN AN A WEEK LATER STOP WORKING AGAIN
TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER 360. THE CONTACT OBSERVED A PUDDLE OF FUEL UNDER THE REAR OF THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 192,385.
Mileage: 192,385
TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER 360. WHILE DRIVING AT ANY SPEED, THE INSTRUMENT PANEL REMAINED ILLUMINATED AND FLASHED DIFFERENT WARNINGS FOR SEVERAL HOURS UNTIL THE ENGINE WAS TURNED OFF. THE CONTACT STATED THAT THE FAILURE RECURRED SEVERAL TIMES FOR APPROXIMATELY THREE YEARS. THE VEHICLE WAS TAKEN TO A LOCAL DEALER WHERE IT WAS DIAGNOSED THAT A MODULAR FAILURE OCCURRED WITH THE INSTRUMENT PANEL. THE DEALER STATED THAT THE VEHICLE WAS NOT INCLUDED IN A RECALL. THE MANUFACTURER WAS NOTIFIED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 150,000.....UPDATED 03-31-16 *BF *TR
Mileage: 150,000
TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER 360. WHILE DRIVING APPROXIMATELY 45 MPH, THE AIR BAG WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED ON ONE OCCASION. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE A SIR COIL NEEDED TO BE PLACED BEHIND THE STEERING WHEEL. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 58,945.
Mileage: 58,945
TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER 360. THE CONTACT STATED THAT ANOTHER VEHICLE FAILED TO STOP AT A STOP SIGN AND CRASHED INTO THE CONTACT'S VEHICLE. THE AIR BAGS DID NOT DEPLOY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE BODY DAMAGES WERE REPAIRED BUT THE FAILURE WAS NOT DETERMINED. THE CONTACT SUSTAINED WHIPLASH, NECK PAINS, BACK PAINS, ARM PAINS, AND PAIN TO THE RIB CAGE THAT REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE WHERE AN INVESTIGATOR WAS TO DETERMINE THE AIR BAG FAILURE. A POLICE REPORT WAS NOT FILED. IN ADDITION, THE CONTACT STATED THAT THE VEHICLE WAS INVOLVED IN TWO OTHER CRASHES WHERE THE AIR BAGS FAILED TO DEPLOY. THE DETAILS OF THE OTHER TWO CRASHES WERE NOT AVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURES. THE APPROXIMATE FAILURE MILEAGE WAS 122,000. UPDATED 11/09/15*LJ *CN
Mileage: 122,000
SHUT OFF VEHICLE , GOT OUT OF DRIVERS SIDE. SHUT DOOR AND AS I CLOSED DOOR ALL MY LOCKS ON DOOR LOCKED DOWN. MY GRANDAUGHTER WAS STRAPPED INTO A CAR SEAT IN THE BACK SEAT AND WE WERE UNABLE TO OPEN DOORS TO GET HER OUT. WE HAD TO CONTACT POLICE AND THEY WERE UNABLE TO GET DOORS TO UNLOCK. THE LOCKS WOULD NOT WORK THE WINDOWS WOULD NOT WORK , THE CAR WAS COMPLETELY LOCKED DOWN . AFTER 30 MINUTES OF TRYING TO GET INTO CAR WE FINALLY GOT MY GRANDAUGHTER TO SQUEEZE OUT OF HER CAR SEAT UPON COAXING HER WE GOT HER TO GET HER CAR SEAT BELT UNLOCKED , SHE TRIED PUSHING THE DOOR LOCK BUTTONS BUT NOTHING WOULD WORK, WE HAD HER TRY TO USE WINDOW BUTTONS BUT THEY WOULD NOT WORK EITHER , WE TRIED HAVING HER MANUALLY UNLOCK DOOR BUT THEY WOULD UNLOCK BUT DOOR WOULD NOT UNLOCK. UPON DESPAIR WE HAD HER TAKE KEY OUT OF IGNITION AND I CAREFULLY HAD HER PUSH UNLOCK BUTTON ON KEY CHAIN AND FINALLY THEY ENGAGED AND UNLOCKED THE DOORS AND WINDOWS AND WE GOT HER OUT. THIS COULD'VE BEEN A REAL DANGEROUS INCI
Mileage: 140,000
COMMUNICATED TO GM HELP CENTER 10/30/2014: MY 2003 CHEVY TRAIL BLAZER HAS A STRONG ODOR OF GAS IN THE REAR. THE VEHICLE HAS ONLY 63,000 MILES AND HAS BEEN WELL MAINTAINED. I "GOOGLED" THE PROBLEM AND FOUND IT TO BE A KNOWN ISSUE. IN PART: NHTSA #: PE07014 "IN JUNE 2007, GM WILL EXPAND ITS SPECIAL POLICY TO ADDRESS FUEL TANK INLET CHECK VALVE (ICV) FRACTURES." WILL YOU HELP ME REMEDY THIS PROBLEM? SHORT STORY, THEY REVIEWED MY DESCRIPTION OF THE PROBLEM AND ULTIMATELY DECLINED ANY REMEDY. I CAN UNDERSTAND THAT THE EXTENDED WARRANTY HAS PASTED, BUT MY ISSUE IS I NEVER RECEIVED ANY NOTIFICATION AS NOTED IN NHTSA # PE07014. HAD I RECEIVED THAT NOTIFICATION I WOULD CERTAINLY HAVE FOLLOWED UP ON THE PROBLEM. THIS VEHICLE WAS PURCHASED NEW AND HAS VERY LOW MILES FOR BEING A 2003. IN VIEW OF THE LACK OF NOTIFICATION, I THINK THE VEHICLE SHOULD BE COVERED AS OUTLINED AS PART OF PE07014. HAD I RECEIVED NOTIFICATION AND IGNORED IT, THEN IT WOULD MY PROBLEM, BUT I NEVER RECEI
Mileage: 63,000
COMMUNICATED TO GM HELP CENTER 10/30/2014: MY 2003 CHEVY TRAIL BLAZER HAS A STRONG ODOR OF GAS IN THE REAR. THE VEHICLE HAS ONLY 63,000 MILES AND HAS BEEN WELL MAINTAINED. I "GOOGLED" THE PROBLEM AND FOUND IT TO BE A KNOWN ISSUE. IN PART: NHTSA #: PE07014 "IN JUNE 2007, GM WILL EXPAND ITS SPECIAL POLICY TO ADDRESS FUEL TANK INLET CHECK VALVE (ICV) FRACTURES." WILL YOU HELP ME REMEDY THIS PROBLEM? SHORT STORY, THEY REVIEWED MY DESCRIPTION OF THE PROBLEM AND ULTIMATELY DECLINED ANY REMEDY. I CAN UNDERSTAND THAT THE EXTENDED WARRANTY HAS PASTED, BUT MY ISSUE IS I NEVER RECEIVED ANY NOTIFICATION AS NOTED IN NHTSA # PE07014. HAD I RECEIVED THAT NOTIFICATION I WOULD CERTAINLY HAVE FOLLOWED UP ON THE PROBLEM. THIS VEHICLE WAS PURCHASED NEW AND HAS VERY LOW MILES FOR BEING A 2003. IN VIEW OF THE LACK OF NOTIFICATION, I THINK THE VEHICLE SHOULD BE COVERED AS OUTLINED AS PART OF PE07014. HAD I RECEIVED NOTIFICATION AND IGNORED IT, THEN IT WOULD MY PROBLEM, BUT I NEVER RECEI
Mileage: 63,000
INSTRUMENT FRONT PANEL NO LONGER OPERATES. ALL GAUGES DO NOT OPERATE (SPEEDOMETER, OIL, GAS. TEMP...). *TR
Mileage: 100,000
FRAME HOLDING FRONT SUSPENSION RUSTED. *TR
Mileage: 70,000
POWER WINDOW CONTROL ON THE PASSENGER DOOR STARTED ON FIRE AND MELTED SOME OF THE DOOR PANEL AND WINDOW CONTROL MODULE AND WIRING HARNESS. THE VEHICLE HAS THE HEATED SEAT BUTTONS ON THE WINDOW CONTROL MODULE. (P/N 15096223). THE VEHICLE HAD BEEN PARKED IN FRONT OF THE HOUSE (NO KEYS IN IGNITION) WHEN THE WINDOW STARTED GOING UP AND DOWN BY ITSELF AND SMOKE STARTED FLOWING OUT. COMPLETELY MELTED THE FRONT 4PIN CONNECTER AND WIRING HARNESS I STILL HAVE THE MELTED PART IF NEEDED FOR ANYTHING. I FOUND IT INTERESTING THAT YOU HAVE NOW OPENED UP AN INVESTIGATION ON 2006-2007 MODELS ON THE DRIVERS DOOR. I HAD DID A FEW INTERNET SEARCHES LOOKING FOR RECALLS OR SUCH. DID FIND A COUPLE POST WHERE SIMILAR THINGS HAD HAPPENED TO OTHERS WHERE OTHERS HAD STATED HAVING TO DO WITH WATER COMING IN THE WINDOW AND SHORTING THE SWITCH (IF THIS HELPS) THANKS *TR
POWER WINDOW CONTROL ON THE PASSENGER DOOR STARTED ON FIRE AND MELTED SOME OF THE DOOR PANEL AND WINDOW CONTROL MODULE AND WIRING HARNESS. THE VEHICLE HAS THE HEATED SEAT BUTTONS ON THE WINDOW CONTROL MODULE. (P/N 15096223). THE VEHICLE HAD BEEN PARKED IN FRONT OF THE HOUSE (NO KEYS IN IGNITION) WHEN THE WINDOW STARTED GOING UP AND DOWN BY ITSELF AND SMOKE STARTED FLOWING OUT. COMPLETELY MELTED THE FRONT 4PIN CONNECTER AND WIRING HARNESS I STILL HAVE THE MELTED PART IF NEEDED FOR ANYTHING. I FOUND IT INTERESTING THAT YOU HAVE NOW OPENED UP AN INVESTIGATION ON 2006-2007 MODELS ON THE DRIVERS DOOR. I HAD DID A FEW INTERNET SEARCHES LOOKING FOR RECALLS OR SUCH. DID FIND A COUPLE POST WHERE SIMILAR THINGS HAD HAPPENED TO OTHERS WHERE OTHERS HAD STATED HAVING TO DO WITH WATER COMING IN THE WINDOW AND SHORTING THE SWITCH (IF THIS HELPS) THANKS *TR
I OWN A 2003 TRAILBLAZER SWB MODEL. I STARTED TO SMELL GAS. SEEING THE VEHICLE WAS OUT OF WARRANTY, I WAITED UNTIL IT GOT WARM TO CHECK IT OUT. WHEN I TOOK OUT THE GAS TANK THERE WAS A PIN HOLE IN THE RETURN ON THE BASE OF THE SENDING UNIT. SO I CLEANED IT OFF WITH A WIRE BRUSH AND FOUND MORE PIN HOLES. I BELONG TO A TRAILBLAZER FORUM, AND THIS SEEMED TO BE A MORE PREVALENT PROBLEM THEN IT SHOULD BE.*AK
Mileage: 102,000
Loss of motive power due to engine failure
Loss of Motive Power due to the Battery Energy Control Module
Electric Vehicle Battery Fires
Outboard Front Seat Belt Anchor Cable Failure
Fuel Line Leak
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.