Total Complaints
238 filings
CHEVROLET TRAILBLAZER EXT · model year
238 NHTSA complaints, 2 crash reports, and 6 active recalls for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2006CHEVROLETTRAILBLAZER EXT carries 238 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 2 crashes, 3 fires, 4 injuries, 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 2006 TRAILBLAZER EXT is fuel system, gasoline with 102 filings, followed by electrical system (37) and fuel system, other (16). 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. This model year has 6 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 57 investigation files overlapping the 2006 TRAILBLAZER EXT, 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
238 filings
Crashes Reported
2 reports
Source
NHTSA ODI
Federal complaints database
Above median complaint volume — review patterns below.
| Component | Count |
|---|---|
| FUEL SYSTEM, GASOLINE | 102 |
| ELECTRICAL SYSTEM | 37 |
| FUEL SYSTEM, OTHER | 16 |
| EXTERIOR LIGHTING | 11 |
| FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM | 8 |
| VISIBILITY | 5 |
| FUEL/PROPULSION SYSTEM | 5 |
| STRUCTURE | 4 |
| ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL | 3 |
| STRUCTURE:BODY | 3 |
| UNKNOWN OR OTHER | 3 |
| POWER TRAIN | 3 |
| AIR BAGS | 3 |
| POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) | 2 |
| TIRES | 2 |
VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
General Motors LLC (GM) is recalling certain model year 2006-2007 Buick Rainier, Chevrolet Trailblazer and GMC Envoy vehicles, and 2006 GMC Envoy XL and Chevrolet Trailblazer EXT vehicles. Fluid may enter into the driver's door master power window switch module, causing corrosion that could result
EXTERIOR LIGHTING:HEADLIGHTS
General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected vehicles, the headlam
ELECTRICAL SYSTEM
General Motors (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door module, causing corrosion that could result in a sho
EQUIPMENT:OTHER:LABELS
CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.
STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
CERTAIN PASSENGER VEHICLES MAY HAVE BEEN BUILT WITH A POWER STEERING HOSE THAT IS NOT TO SPECIFICATION. UNDER EXTREME STEERING MANEUVERS, SUCH AS TURNING THE STEERING WHEEL FULLY TO THE LEFT OR RIGHT WHILE BRAKING, THE HOSE MAY FRACTURE AND LEAK FLUID.
VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
General Motors LLC (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door master power window switch module, causing corro
ON AUGUST 18, 2017, I LEASED-TO-OWN A 2006 CHEVROLET TRAILBLAZER FROM ACTION AUTO OF TUPELO, MS. AROUND THE FIRST WEEK OF OCTOBER OF 2018, I HAD LEND SAID VEHICLE TO MY SISTER. SHE CONTACTED ME SAYING THAT THE ENGINE WAS MAKING A KNOCKING NOISE, AND BROUGHT THE VEHICLE BACK TO ME, WHERE I INSPECTED IT WHILE IT WAS STATIONARY. TO RULE OUT EVERYTHING ELSE BEFORE I ACKNOWLEDGED THE SOUND OF THE KNOCK BEING A SEVERE MECHANICAL FAILURE OF THE ENGINE, I CONNECTED A DIAGNOSTIC SCANNER TO THE CAN DATA CONNECTOR ON THE 2006 CHEVROLET TRAILBLAZER. IN SECONDS THE SCREEN ON THE SCANNER WAS FLOODED WITH FAULTS, BUT THEN THE SCANNER STARTED BEEPING, SAYING THAT THE SRS (SUPPLEMENTAL RESTRAINT SYSTEM) HAD BEEN ACTIVATED. LOOKING AROUND THE VEHICLE I DIDN'T SEE ANY SIGN OF ANY AIRBAG BEING DEPLOYED, OR ANY SEATBELT MISSING. IT WASN'T UNTIL I CHECKED THE CONNECTORS COMING OUT OF THE AIRBAG MODULE THAT I SAW FOR THE FIRST TIME THAT THE AIRBAGS WERE MISSING. I INFORMED MY INSURANCE PROVIDER REGARDING THE
ON AUGUST 18, 2017, I LEASED-TO-OWN A 2006 CHEVROLET TRAILBLAZER FROM ACTION AUTO OF TUPELO, MS. AROUND THE FIRST WEEK OF OCTOBER OF 2018, I HAD LEND SAID VEHICLE TO MY SISTER. SHE CONTACTED ME SAYING THAT THE ENGINE WAS MAKING A KNOCKING NOISE, AND BROUGHT THE VEHICLE BACK TO ME, WHERE I INSPECTED IT WHILE IT WAS STATIONARY. TO RULE OUT EVERYTHING ELSE BEFORE I ACKNOWLEDGED THE SOUND OF THE KNOCK BEING A SEVERE MECHANICAL FAILURE OF THE ENGINE, I CONNECTED A DIAGNOSTIC SCANNER TO THE CAN DATA CONNECTOR ON THE 2006 CHEVROLET TRAILBLAZER. IN SECONDS THE SCREEN ON THE SCANNER WAS FLOODED WITH FAULTS, BUT THEN THE SCANNER STARTED BEEPING, SAYING THAT THE SRS (SUPPLEMENTAL RESTRAINT SYSTEM) HAD BEEN ACTIVATED. LOOKING AROUND THE VEHICLE I DIDN'T SEE ANY SIGN OF ANY AIRBAG BEING DEPLOYED, OR ANY SEATBELT MISSING. IT WASN'T UNTIL I CHECKED THE CONNECTORS COMING OUT OF THE AIRBAG MODULE THAT I SAW FOR THE FIRST TIME THAT THE AIRBAGS WERE MISSING. I INFORMED MY INSURANCE PROVIDER REGARDING THE
TRANSMISSION SLIPPING AND SELINOIDS
Mileage: 135,000
TAKATA RECALL IF FLUID, SUCH AS MELTED SNOW CONTAINING ROAD SALT, ENTERS THE DRIVER'S DOOR MODULE, IT MAY CAUSE CORROSION THAT COULD RESULT IN A SHORT IN THE CIRCUIT BOARD. A SHORT MAY CAUSE THE POWER DOOR LOCK AND POWER WINDOW SWITCHES TO FUNCTION INTERMITTENTLY OR MAY STOP WORKING. THE DEALERSHIP CANNOT FIX THE VEHICLE DUE TO THE VEHICLE BEING A TOTAL LOSS ON MARCH 1 OF 2015
HEADLIGHTS TURN OFF WHILE DRIVING. HAPPENS WITH REGULARITY. HEADLIGHT RELAY DEFECTIVE. NO REPLACEMENT PART AVAILABLE. GM DENIES THAT A RECALL EXISTS. *TR
Mileage: 200,000
HEADLIGHTS TURN OFF WHILE DRIVING. HAPPENS WITH REGULARITY. HEADLIGHT RELAY DEFECTIVE. NO REPLACEMENT PART AVAILABLE. GM DENIES THAT A RECALL EXISTS. *TR
Mileage: 200,000
" TAKATA RECALL" GM SAID MY RECALL HAD EXPIRED ON THE FUEL SENSOR IN 2015..I HAD IT REPLACE TWICE...2007 AND 2009...SO MANY RECALLS COULD NOT REMEMBER UNTIL GOING THROUGH FILES AND FOUND I DID HAVE THESE REPLACED
Mileage: 52,000
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE WOULD STALL AND SHUT OFF WITHOUT WARNING. THE VEHICLE WOULD HAVE TO BE JUMPSTARTED IN ORDER TO RESTART. THE FAILURE RECURRED, BUT THE VEHICLE WOULD NOT RESTART. THE CONTACT TOOK THE VEHICLE TO A CERTIFIED MECHANIC WHO WAS UNABLE TO IDENTIFY THE CAUSE OF THE FAILURE. THE MECHANIC REPLACED THE VEHICLE'S BATTERY, AUXILIARY WATER PUMP, STARTER, AND ALTERNATOR; HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.
Mileage: 150,000
BOTH REAR PARKING TAIL LIGHTS DOES NOT TURN ON, WHILE BOTH FRONT PARKING LIGHTS ARE OPERATIONAL. BRAKE LIGHTS, REAR TURN SIGNALS, REVERSE LIGHTS, DOORS UNLOCK LIGHT ARE ALL OPERATIONAL.
THE HEADLIGHTS ARE NOT WORKING PROPERLY. SOMETIMES THE HEADLIGHTS WORK BUT OTHER TIMES THEY TURN OFF. THE HIGH BEAMS AND MARKER LIGHTS ARE NOT AFFECTED. THIS ALSO APPLIES TO THE DAYTIME RUNNING LAMPS AND OCCURS IN MOTION OR AT A STOP.
Mileage: 110,000
MY LOW BEAM HEADLIGHTS WENT OUT WHICH SHOWS IT'S A RELAY BAD ONLINE IT SHOWS THAT THERE WAS A RECALL BUT IN THE DATABASE IT DOESN'T SHOW UP FOR MY VEHICLE
Mileage: 1
MY DRIVER SIDE SEAT HEATED SEAT SHORT CIRCUITED AND LOOKS LIKE IT CAUGHT ON FIRE BRIEFLY. MY HEAD LAMP MODULE WENT BAD AND IS RECALLED BUT NO REMEDY HAS BEEN SOLVED, DEALERSHIP REPLACED AT MY EXPENSE BUT I CANNOT GET REIMBURSEMENT FOR REPAIR DUE TO REMEDY NOT YET AVAILABLE. RECALL DATE WAS NOV 25TH 2015 AM I SUPPOSE TO DRIVE WITHOUT LIGHTS FOR 13 MONTHS. SINCE I TOOK IT TOO AN AUTHORIZED DEALER AND THEY FIXED IT WHY CANT I GET MY MONEY? PICTURE IS FROM THE INTERNET BUT IS ACTUALLY THE SAME AS MINE. I DO HAVE THE DEFECTED SEAT ELEMENT AT MY HOME.
MY DRIVER SIDE SEAT HEATED SEAT SHORT CIRCUITED AND LOOKS LIKE IT CAUGHT ON FIRE BRIEFLY. MY HEAD LAMP MODULE WENT BAD AND IS RECALLED BUT NO REMEDY HAS BEEN SOLVED, DEALERSHIP REPLACED AT MY EXPENSE BUT I CANNOT GET REIMBURSEMENT FOR REPAIR DUE TO REMEDY NOT YET AVAILABLE. RECALL DATE WAS NOV 25TH 2015 AM I SUPPOSE TO DRIVE WITHOUT LIGHTS FOR 13 MONTHS. SINCE I TOOK IT TOO AN AUTHORIZED DEALER AND THEY FIXED IT WHY CANT I GET MY MONEY? PICTURE IS FROM THE INTERNET BUT IS ACTUALLY THE SAME AS MINE. I DO HAVE THE DEFECTED SEAT ELEMENT AT MY HOME.
AS IDENTIFIED IN RECALL # 14V755000, THE LOW BEAM HEADLAMPS WILL TURN OFF AT RANDOM TIMES. THIS HAVE HAPPENED SEVERAL TIMES DURING DARKNESS HOURS AND IS INCREASING. IN ONE CASE, AN ACCIDENT WAS BARELY AVOIDED. I WAS RECENTLY (NOV. 13, 2015) TOLD BY THE GM DEALER - THE VEHICLE VIN # DOES NOT LIST THIS AS A RECALL ITEM. ???? LAST OCCURENCE IS LISTED BELOW.
Mileage: 160,000
AS SOON AS YOU START VEHICLE....DASH SHOWS THAT THE AIR BAGS NEEDS TO BE SERVICES AND IT STAYS ON THE WHOLE TIME OF YOUR JOURNEY..WHEN I LIFT MY SEAT TO GET CORRECT POSITIONING TO DRIVE IT STARTS TO HAVE THE BELL SENSOR RING, LIKE WHEN YOU DON'T YOUR SEAT BELT ON....BUT I HAVE MY SEAT BELT ON/FASTENED,,TOOK TO MTN VIEW CHEVROLET/CHATTANOOGA, TN...THEY COULD NOT FIND A REASON WHY AND TOLD ME NO RECALL ON THIS VIN MODEL..SO I HAVE DECIDED TO ISSUE A COMPLAINT BEFORE SOMETHING HAPPENS AND THE AIR BAGS DO NOT DEPLOY.. THANK YOU.. *TR
Mileage: 132,000
RAN OUT OF FUEL STUCK ON HIGHWAY, FUEL GAUGE ANOMALY, I SEE THAT THIS IS A COMMON PROBLEM FOR GM SUV VEHICLES FORM 2006-2009, CAN PUT FAMILY IS A DANGEROUS SITUATION WITH CHILDREN I CAR AT A REMOTE LOCATION. SCARY....PLEASE HELP US. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
Mileage: 94,667
I AM HAVING THIS ISSUE, FOR A FEW WEEKS NOW, THE KEY GETS LOCKED IN THE IGNITION SWITCH, WILL NOT TURN OFF, IT DRAIN THE BATTERY THE FIRST DAY, NOW I HAVE TO DISCONNECT BATTERY, THEN WHEN IT FINALLY LOCKED IT DID NOT WANT TO START, I COULD NOT START THE VEHICLE FOR ALMOST TWO DAYS, AND I CANNOT AFFORD TO TAKE IT TO A MECHANIC RIGHT NOW. *TR
Mileage: 150,000
THE COOLANT LINE THAT SUPPLIES THE REAR COOLING AND HEATING UNIT DEVELOPED A LEAK. AFTER HAVING THE SUV CHECKED OUT FOUND THAT HE SUPPLY LINE WAS RUBBING AGAINST THE SUV BODY AND FRAME. LINE WAS NOT PUT IN PROPERLY. PATCHED LINE WITH RUBBER HOSE TO STOP LEAK AND TO PROTECT FROM ANY MORE RUBBING AGAINST FRAME.
Mileage: 125,000
GAS GAUGE STOP MEASURING HOW MUCH GAS WAS IN THE TANK BACK IN 2012. HAVE HAD TO USE THE ODOMETER AND JUST KEEP UP WITH MY MILEAGE. COULD NOT AFFORD TO PAY TO REPLACE THE FUEL GAUGE.
Mileage: 85,000
I HAVE BOUGHT 2 NEW BATTERIES WITH IN A MONTH OF EACH OTHER DUE TO MY BATTERY BEING DEAD OVER AND OVER AGAIN. I WAS TOLD MY ALTERNATOR WAS FINE ONLY THAT SOMETHING KEEPS DRAINING THE LIFE OUT OF MY BATTERY.THIS HAS BEEN GOING ON FOR MONTHS. IF I LET THE TRAILBLAZER SIT FOR 1 TO 2 DAYS THE BATTERY IS DEAD AGAIN.I ALSO NOTICED THAT THE FACE OF MY RADIO HAS STARTED TO GET HOT. WHEN WE FIRST HAD AUTO ZONE CHANGE THE BATTERY WE NOTICED THAT IT CAUSED OUR AIR VENTS TO STOP WORKING. I LOOKED THIS UP ON LINE AND IT LOOKS LIKE I'M NOT THE ONLY ONE WHO HAS THIS PROBLEM. I SEE IT'S A BIG PROBLEM.I DON'T KNOW IF THERE IS A RECALL , BUT I'M SCARED IT IS A ELECTRICAL PROBLEM THAT COULD HURT ME AND MY 4 KIDS IF IT HAPPENS WHILE DRIVING. CAN YOU PLEASE HELP ME WITH THIS. *TR
Mileage: 69,890
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.