Total Complaints
21 filings
CHEVROLET TRAILBLAZER EXT 370 · model year
21 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2006CHEVROLETTRAILBLAZER EXT 370 carries 21 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 3 fires, 0 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 370 is electrical system with 5 filings, followed by exterior lighting (4) and fuel system, gasoline (2). 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 2006 TRAILBLAZER EXT 370, 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
21 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 5 |
| EXTERIOR LIGHTING | 4 |
| FUEL SYSTEM, GASOLINE | 2 |
| ELECTRONIC STABILITY CONTROL (ESC) | 2 |
| ENGINE | 2 |
| VISIBILITY:POWER WINDOW DEVICES AND CONTROLS | 1 |
| SUSPENSION | 1 |
| FUEL/PROPULSION SYSTEM | 1 |
| ENGINE AND ENGINE COOLING | 1 |
| VISIBILITY/WIPER | 1 |
| STRUCTURE:BODY | 1 |
WHILE DRIVING ON A SMOOTH HI-WAY (NO VIBRATIONS) THE LOW BEAM HEADLIGHTS WENT OFF. I SWITCHED TO HI BEAMS AND PULLED OFF THE ROAD AT FIRST OPPORTUNITY. WHEN I SWITCHED BACK TO LOW BEAMS AND THEY WORKED PERFECTLY. THIS HAS HAPPENED 4 TIMES IN THE 11 YEARS OF OWNERSHIP, TWICE IN ONE WEEK. COULD NEVER INDUCE THE PROBLEM.
Mileage: 120,000
I WAS DRIVING ON THE AND RIGHT IN THE MIDDLE OF TRAFFIC AND THE CAR JUST SHUT OFF . I TRY TO RESTART AND IT START UP WHEN I TRY TO PROCEED IT SHUT OFF AND WOULD NOT START BACK UP AT ALL.
Mileage: 35
I WAS DRIVING ON THE AND RIGHT IN THE MIDDLE OF TRAFFIC AND THE CAR JUST SHUT OFF . I TRY TO RESTART AND IT START UP WHEN I TRY TO PROCEED IT SHUT OFF AND WOULD NOT START BACK UP AT ALL.
Mileage: 35
DRIVING ON FREEWAY AT A CRUISE CONTROL SPEED OF 70 MPH WITHOUT ANY WARNING LIGHTS OR MALFUNCTIONS WITH THE TRUCK, WHITE SMOKE WAS NOTED FROM BEHIND THE TRUCK. SMOKE IMMEDIATELY BECAME WORSE AND TRUCK WAS PULLED OFF ON SIDE OF ROAD. SMOKE WAS NOTED COMING FROM UNDER FRONT HOOD AS WELL. DRIVER THEN SAW FLAMES COMING UP DRIVER SIDE WINDOW. DRIVER RAN FROM VEHICLE AND IT WAS CONSUMED IN FIRE. THE WHOLE VEHICLE WAS A FIRE BOMB AND DESTROYED. NO INJURY WAS SUSTAINED BY DRIVER AS OF NEXT DAY EXCEPT TO SAY SHOCK AND EMOTIONAL TRAUMA. DRIVER SIDE DOOR SWITCH FOR SAFETY RECALL OF POSSIBLE FIRE WAS DONE AND SERVICED ON APRIL 2015. TRUCK WAS IN THE SHOP THE PREVIOUS DAY FOR A TIE ROD REPAIR, OIL CHANGE, AND TIRE ROTATION. MECHANIC SAID THE TRUCK LOOKED IN GOOD SHAPE WITHOUT ANY PROBLEMS NOTED ON THE VEHICLE. I HAVE PICTURES ON MY PHONE OF A BALL OF FIRE THAT WAS THE TRUCK.
Mileage: 144,000
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 14V755000 (VISIBILITY) AND STATED THAT THE PART WAS NOT AVAILABLE WITHIN A REASONABLE TIME FRAME TO SCHEDULE THE RECALL REPAIR. THE DEALER DID NOT GIVE A SPECIFIC DATE FOR WHEN THE PART WOULD BECOME AVAILABLE. THE MANUFACTURER COULD NOT PROVIDE AN ESTIMATED DATE FOR WHEN THE VEHICLE WOULD RECEIVE THE RECALL REPAIR. THE CONTACT WAS NOT EXPERIENCING A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH, THE HEADLIGHTS BECAME INOPERABLE WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE CONTACT WAS INFORMED THAT THE HDM MODULE NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED HOWEVER, THE FAILURE RECURRED. THE CONTACT MENTIONED THAT THE FAILURE RECURRED SEVERAL TIMES. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V519000 (EXTERIOR LIGHTING) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 125,000. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
Mileage: 125,000
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE THE VEHICLE WAS STOPPED AT A RED LIGHT, THE HEADLIGHTS FAILED TO ILLUMINATE. THE FAILURE RECURRED TWICE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 126,000.
Mileage: 126,000
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE THE VEHICLE WAS STOPPED AT A RED LIGHT, THE HEADLIGHTS FAILED TO ILLUMINATE. THE FAILURE RECURRED TWICE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 126,000.
Mileage: 126,000
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 14V755000 (EXTERIOR LIGHTING) EXCEEDED A REASONABLE AMOUNT OF TIME FOR REPAIR. THE DEALER STATED THAT PARTS WERE UNAVAILABLE FOR THE REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE DELAY AND STATED THAT THE REMEDY WAS NOT AVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE CONTACT DID NOT EXPERIENCE A FAILURE RELATED TO THE RECALL; HOWEVER, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE FAILURE MILEAGE WAS 110,000.
Mileage: 110,000
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE OPERATING THE VEHICLE, THE FUEL GAUGE WOULD ERRONEOUSLY INDICATE THAT THE FUEL TANK WAS EMPTY. AFTER RESTARTING THE VEHICLE, THE FUEL GAUGE WOULD PROVIDE AN ACCURATE FUEL READING BEFORE DISPLAYING EMPTY AGAIN. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 71,800.
Mileage: 71,800
DRIVING ON THE HIGHWAY TRAVELING ABOUT 60. WHEN ALL OF A SUDDEN MY TRUCK SHUT DOWN, THOUGHT MY FOOT HAD GOT OFF THE PEDDLE BUT WAS STILL ON THE GAS. PUT MY HAZARDS ON AND PRAYED I WASN'T GOING TO GET SMASHED BY TRAFFIC. THEN MY CHECK ENGINE LIGHT CAME ON. AND THE SECOND ENGINE LIGHT CAME ON. AS I PULL TO SIDE OF ROAD STOP THE CAR PUT IT IN PARK. AND TRIED TO START IT AND ALL IT DID WAS CRANK AND NOT TURN OVER LIKE I WAS OUT OF GAS. DID RESEARCH ON CONDITIONS AND IT CAME BACK DEFAULT IGNITION SWITCH. THIS HAS JUST BEEN A NIGHTMARE. ONLY TO ARRIVE AT CHEVY. AND LOOK MY VIN NUMBER UP AND SAID YOUR VIN DOESN'T PULL UP ANY RECALLS? HUN YOU GOT TO BE KIDDING ME RIGHT. CLEARLY I THOUGHT RECALLS FROM A CERTAIN YR TO A ENDING YEAR IS SUPPOSED TO BE HANDLED? I DON'T KNOW WHAT'S GOING ON BUT PLEASE HELP FIX THIS HORRIBLE WHAT COULD HAVE BEEN TRAGIC SITUATION. *TR
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE DRIVING AT VARIOUS SPEEDS AND WHILE IDLING, THE FUEL GAUGE FLUCTUATED FROM EMPTY TO FULL CONTINUOUSLY AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE FUEL LEVEL SENSOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 113,762. UPDATED 4/16/15*CN UPDATED 9/29/2017*CN
Mileage: 113,762
TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE DRIVING AT VARIOUS SPEEDS AND WHILE IDLING, THE FUEL GAUGE FLUCTUATED FROM EMPTY TO FULL CONTINUOUSLY AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE FUEL LEVEL SENSOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 113,762. UPDATED 4/16/15*CN UPDATED 9/29/2017*CN
Mileage: 113,762
THE HEADLIGHTS WHILE DRIVING WILL CUT OFF. I HAVE TRIED REPLACING HEADLIGHTS WITH NO SUCCESS. I SAW AN ARTICLE ABOUT A RECALL ON MY CAR PERTAINING TO HEADLIGHTS. WHEN THE ARTICLE STATES YOU GUYS WHERE TOLD IN AN EMAIL, I DON'T SEE THAT RECALL ON YOUR PAGE. PLEASE CONTACT ME WITH INFORMATION TO FIX THIS PROBLEM. ALSO, MY STABILITY CONTROL IS NOT WORKING. THE LIGHT KEEPS COMING ON. *TR
Mileage: 100,000
THE HEADLIGHTS WHILE DRIVING WILL CUT OFF. I HAVE TRIED REPLACING HEADLIGHTS WITH NO SUCCESS. I SAW AN ARTICLE ABOUT A RECALL ON MY CAR PERTAINING TO HEADLIGHTS. WHEN THE ARTICLE STATES YOU GUYS WHERE TOLD IN AN EMAIL, I DON'T SEE THAT RECALL ON YOUR PAGE. PLEASE CONTACT ME WITH INFORMATION TO FIX THIS PROBLEM. ALSO, MY STABILITY CONTROL IS NOT WORKING. THE LIGHT KEEPS COMING ON. *TR
Mileage: 100,000
THIS VEHICLE WAS IN A REAR TO REAR ACCIDENT ON 06/04/13. EVERY SINCE THE ACCIDENT THE REAR HAS BEEN DOWN AND IT WAS TAKEN TO SERRA CHEVROLET IN BARTLETT, TN ON 09/16/13. THEY DETERMINE THAT THE REAR AIR SPRINGS WAS NOT AIRING UP AND WAS NOT CAUSED BY THE ACCIDENT. THE VEHICLE WAS RETURNED TO ME ON 09/19/13 BY THE COLLISION REPAIR SHOP. ON 09/19/13 THE VEHICLE WAS TAKEN BACK TO SERRA CHEVROLET IN BARTLETT, TN AND DROPED OFF FOR THE EARLY BIRD. THAT FRIDAY 09/20/13, I WAS ADVISED THAT THE VEHICLE REAR COMPRESSOR NEEDED TO BE REPLACED AS NO PSI WAS ENGAGING IN THE REAR AIR SPRINGS. I ADVISED THEM OKAY AND TO GO AHEAD AND COMPLETE THE JOB. THEY ADVISED ME THAT MY VEHICLE WOULD BE READY THAT AFTERNOON. CALL RECEIVED AT 3:42 PM ON 09/20/13 ADVISING THAT MY VEHICLE WOULD NOT BE READY ON 09/20/13, BUT WOULD BE READY BY MONDAY 09/23/13 AROUND 11:00 AM. I ADVISED HIM (DAVID LANE) THAT I WAS WITHOUT TRANSPORTATION AND THAT I HAD TODDLER THAT WAS SICK AND NEEDED TRANSPORTATION. HE STATED
Mileage: 136,266
THE MAIN POWER WINDOW AND DOOR LOCK SWITCH ON DRIVERS DOOR SHORT CIRCUITED AND CAUGHT FIRE. *TR
Mileage: 81,000
THE MAIN POWER WINDOW AND DOOR LOCK SWITCH ON DRIVERS DOOR SHORT CIRCUITED AND CAUGHT FIRE. *TR
Mileage: 81,000
FUEL GAUGE QUIT WORKING. *TT
Mileage: 36,000
TL*THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT NOTICED THAT THE INSTRUMENT PANEL INCLUDING THE SPEEDOMETER, FUEL GAUGE AND OIL PRESSURE WERE INOPERABLE, CAUSING THEM TO FLUCTUATE AND NOT REMAIN AT A CONSTANT POINT. THE CONTACT WAS UNABLE TO DETERMINE WHAT SPEED HE WAS TRAVELING, HOW MUCH FUEL WAS IN THE VEHICLE, OR HOW MUCH OIL WAS CURRENTLY IN THE VEHICLE. ALSO THE REAR BLOWER MOTOR WAS INOPERABLE. THE DEALER WAS NOTIFIED WHO INFORMED THE CONTACT THAT THE VEHICLE WAS NO LONGER UNDER WARRANTY. THE MANUFACTURER WAS CONTACTED WHO ADVISED THE CONTACT TO TAKE THE VEHICLE TO A DEALER FOR A DIAGNOSTIC TEST THE VEHICLE HAD NOT BEEN REPAIRED OR DIAGNOSED. THE CURRENT MILEAGES WERE APPROXIMATELY 93,000 AND THE FAILURE MILEAGES WERE APPROXIMATELY 50,000. THE VIN WAS UNAVAILABLE.
Mileage: 50,000
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.