NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
1,466 reports120,000 miles · Sep 26, 2014
Power Train
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHEN THE ACCELERATOR PEDAL WAS DEPRESSED, THE VEHICLE FAILED TO SHIFT OUT OF FIRST GEAR. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE WHERE AN INDEPENDENT MECHANIC STATED THAT THE SHIFT CONTROL SOLENOID SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACT…
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TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHEN THE ACCELERATOR PEDAL WAS DEPRESSED, THE VEHICLE FAILED TO SHIFT OUT OF FIRST GEAR. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE WHERE AN INDEPENDENT MECHANIC STATED THAT THE SHIFT CONTROL SOLENOID SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 120,000.
NHTSA ODI #10639287
42,000 miles · Sep 19, 2014
Fuel/propulsion SystemCrash
MY GAS GAUGE HAD BEGUN ACTING UP. IT WOULD SAY EMPTY EVEN WHEN FILLED. I WOULD FILL IT UP AND THE GAUGE WOULD GO TO HALF THEN BACK UP TO FULL. I DID NOT KNOW FOR SURE HOW MUCH GAS WAS IN THE VEHICLE. I WAS DRIVING AND THE CAR STALLED OUT BECAUSE IT RAN OUT OF GAS EVEN THO THE GAUGE SAID FULL AND I WAS REAR ENDED. *TR
NHTSA ODI #10637668
127,000 miles · Sep 19, 2014
Vehicle Speed Control
TL*THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING AT 35 MPH, THE ACCELERATOR PEDAL WAS RELEASED BUT THE SPEED FAILED TO DECREASE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS UNAVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 127,00…
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TL*THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING AT 35 MPH, THE ACCELERATOR PEDAL WAS RELEASED BUT THE SPEED FAILED TO DECREASE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS UNAVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 127,000. DJR
NHTSA ODI #10637473
136,000 miles · Sep 17, 2014
Air BagsSeat BeltsService BrakesCrash
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE FAILED TO STOP WHEN THE BRAKES WERE ENGAGED. AS A RESULT, THE VEHICLE CRASHED INTO ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT MENTIONED THAT THE REAR SEAT BELTS THAT WERE RESTRAINING TWO CHILDREN BECAME UNBUCKLED A…
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TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE FAILED TO STOP WHEN THE BRAKES WERE ENGAGED. AS A RESULT, THE VEHICLE CRASHED INTO ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT MENTIONED THAT THE REAR SEAT BELTS THAT WERE RESTRAINING TWO CHILDREN BECAME UNBUCKLED AND EJECTED THE CHILDREN FROM THEIR CHILD SAFETY SEATS. A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES. THE VEHICLE WAS TOWED TO AN AUTO BODY SHOP. THE APPROXIMATE FAILURE MILEAGE WAS 136,000.
NHTSA ODI #10636979
Mileage unknown · Sep 12, 2014
Electrical System
ON OR ABOUT THIS DATE MY 2005 TRAILBLAZER EXPERIENCED AND ELECTRICAL FAILURE DURING A SNOW STORM. BOTH POWER DOOR LOCK AND POWER WINDOW SWITCHES BECAME IN OPERATIVE AND THE WINDOWS OPENED AUTOMATICALLY WHILE DRIVING AND WOULD NOT GO BACK UP. I ALSO ENCOUNTERED AN ELECTRICAL SMELL IN THE VEHICLE, AFTER STOPPING AND TURNING OFF TH…
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ON OR ABOUT THIS DATE MY 2005 TRAILBLAZER EXPERIENCED AND ELECTRICAL FAILURE DURING A SNOW STORM. BOTH POWER DOOR LOCK AND POWER WINDOW SWITCHES BECAME IN OPERATIVE AND THE WINDOWS OPENED AUTOMATICALLY WHILE DRIVING AND WOULD NOT GO BACK UP. I ALSO ENCOUNTERED AN ELECTRICAL SMELL IN THE VEHICLE, AFTER STOPPING AND TURNING OFF THE VEHICLE AND THEN RESTARTING THE SWITCHES FUNCTIONED AGAIN. I NOTICED THAT IN THE GM RECALL ON 6-30-14, THE 2005 TRAILBLAZER WAS IN THE RECALL FOR DEFECTIVE WINDOW/LOCK SWITCH CAN OVERHEAT AND MALFUNCTION ALSO MENTIONED IS THE KEY SWITCH PROBLEM GM HAD. I HAVE CONTACTED THE DEALER AND BEEN TOLD THAT WITHOUT AN OFFICIAL RECALL FROM GM THAT THERE IS NOTHING THAT CAN BE DONE. THE WAS IN FACT A RECALL BUT IT SEEMS IT WAS "SWEPT UNDER THE RUG". HERE IS THE REFERENCE LIST I FOUND: CURRENTLY, THE FOLLOWING LIST OF VEHICLES ARE ALL SUBJECT TO THE GM RECALLS ON IGNITION SWITCHES: 1997-2005 CHEVROLET MALIBU 1998-2002 OLDSMOBILE INTRIGUE 1999-2004 OLDSMOBILE ALERO 1999-2005 PONTIAC GRAND AM 2000-05 CHEVROLET IMPALA AND MONTE CARLO 2004-08 PONTIAC GRAND PRIX 2003-14 CADILLAC CTS 2004-06 CADILLAC SRX 2011-14 CHEVROLET CRUZE; 2012-14 CHEVROLET SONIC 2013-14 CHEVROLET TRAX, BUICK ENCORE AND VERANO 2014 CHEVROLET CAMARO AND IMPALA, BUICK REGAL, CADILLAC XTS 2007-11 CHEVROLET SILVERADO HD, GMC SIERRA HD EQUIPPED WITH AN AUXILIARY BATTERY 2005-07 BUICK RAINIER, CHEVROLET TRAILBLAZER, GMC ENVOY, ISUZU ASCENDER, SAAB 9-7X 2006 CHEVROLET TRAILBLAZER EXT, GMC ENVOY XL YET GM HAS FAILED TO ACT AND TAKE RESPONSIBILITY. WHAT CAN BE DONE?? *TR
NHTSA ODI #10632893
112,000 miles · Sep 6, 2014
Power Train
TRANSMISSION COOLING LINES ARE CORRODED THRU.... *TR
NHTSA ODI #10631297
115,000 miles · Sep 5, 2014
Visibility
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE WINDOWS FAILED TO OPEN. IN ADDITION, THE CONTACT STATED THAT WHEN ATTEMPTING TO OPEN THE FRONT PASSENGER'S SIDE WINDOW, THE WINDOW INDEPENDENTLY OPENED AND CLOSED. THE FAILURE OCCURRED ON FOUR OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANI…
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TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE WINDOWS FAILED TO OPEN. IN ADDITION, THE CONTACT STATED THAT WHEN ATTEMPTING TO OPEN THE FRONT PASSENGER'S SIDE WINDOW, THE WINDOW INDEPENDENTLY OPENED AND CLOSED. THE FAILURE OCCURRED ON FOUR OCCASIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE MASTER POWER SWITCH NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 115,000.
NHTSA ODI #10631081
Mileage unknown · Sep 2, 2014
Electrical System
THE WINDOWS WOULD ROLL UP BY THEMSELVES, ONE OF MY DOGS ALMOST GOT HIS HEAD STUCK IN THE BACK WINDOW, ALSO SEAT HEATER WOULD COME ON AND SWITCH FROM HIGH TO MED. TO LOW, THEN BACK TO HIGH. I HAD IT REPAIRED, COST WAS $413.00 I'M HEARING THE SAME TROUBLE HAS BEEN REPORTED WITH THE 2006 - 2007 MODELS AND SOME HAVE CAUGHT FIRE.…
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THE WINDOWS WOULD ROLL UP BY THEMSELVES, ONE OF MY DOGS ALMOST GOT HIS HEAD STUCK IN THE BACK WINDOW, ALSO SEAT HEATER WOULD COME ON AND SWITCH FROM HIGH TO MED. TO LOW, THEN BACK TO HIGH. I HAD IT REPAIRED, COST WAS $413.00 I'M HEARING THE SAME TROUBLE HAS BEEN REPORTED WITH THE 2006 - 2007 MODELS AND SOME HAVE CAUGHT FIRE. IS THE NEW PART GOING TO DO THE SAME? CAN I RECOVER ANY OF THE COST? *TR
NHTSA ODI #10630120
103,000 miles · Aug 31, 2014
Electrical SystemFuel/propulsion System
I BOUGHT THIS CAR AT THE END OF MARCH OF THIS YEAR WITH UNDER 100,000 MILES. THE FIRST THING TO GO WAS THE GAS GAUGE, ABOUT 2 MONTHS AFTER I BOUGHT THE TRAIL BLAZER THE NEEDLE WENT SOUTH. IT ACTUALLY HOVERS AROUND 6 0 ' CLOCK. THEN A COUPLE NIGHTS AGO DRIVING HOME I HAD THE CRUISE CONTROL ON, I TOOK IT WITH THE HAND BUTTON AND …
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I BOUGHT THIS CAR AT THE END OF MARCH OF THIS YEAR WITH UNDER 100,000 MILES. THE FIRST THING TO GO WAS THE GAS GAUGE, ABOUT 2 MONTHS AFTER I BOUGHT THE TRAIL BLAZER THE NEEDLE WENT SOUTH. IT ACTUALLY HOVERS AROUND 6 0 ' CLOCK. THEN A COUPLE NIGHTS AGO DRIVING HOME I HAD THE CRUISE CONTROL ON, I TOOK IT WITH THE HAND BUTTON AND LOOKED DOWN AND THE NEEDLE NEVER MOVED, IT WAS STUCK AT 65. IT'S BEEN 3 DAYS AND THE NEEDLE HAS MOVED BUT THE WRONG WAY, TO THE RIGHT GOING UP 75, 80, 90, THEN BACK DOWN TO 65 AND STAYING THERE. I HAVE LOOKED INTO REPLACING THE GAS GAUGE AND I WAS TOLD THE ENTIRE DASH WOULD HAVE TO BE DONE AT A PRICE OF 1200.00, I SHOULD NOT HAVE TO DO THIS, CHEVROLET SHOULD BE HELD RESPONSIBLE. *TR
NHTSA ODI #10629697
Mileage unknown · Aug 26, 2014
Electrical System
FUEL GAUGE QUIT WORKING. *TR
NHTSA ODI #10628560
NHTSA investigations
2RQ17002 · Loss Of Headlights
Opened Apr 24, 2017 · Closed Mar 29, 2021
Status: closed (inferred from source dates) · Exterior Lighting:headlights
The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investigation was expanded to include all vehicles equipped with the subject Headlight Driver Module (HDM). The focus of the investigation was to determine whether actions performed by General Motors adequately addressed any unreasonable risk to motor vehicle safety in the subject vehicles concerning the headlights and the HDM that controls them.Under normal electrical load and environmental conditions, the HDM can overheat inside the Underhood Electrical Center (UEC). This can cause the module to fail and result in a simultaneous loss of both low beam headlights and both daytime running lights (DRLs), often with no warning or prior detectability to the driver. This failure can be intermittent or permanent. No other exterior lights are affected. High beams, turn signals, brake lights, and reverse lights are still operational.General Motors addressed this issue with 2 recalls (14V755 & 15V519) and a special coverage program (N172091910). In view of the recalls and special coverage program implemented by GM and the vehicle high beams continuing to operate, ODI has tentatively concluded that the actions taken by GM mitigate any unreasonable risk to safety posed by HDM failure in the subject vehicles.Accordingly, the investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.The ODI reports cited above are available for review online at NHTSA.gov under the identification numbers in the attached document.
DP10001 · Fuel Level Gauge System Failure
Opened Jan 7, 2010 · Closed May 23, 2011
Status: closed (inferred from source dates) · Fuel System, Other; Fuel System, Other:storage:fuel Gauge System
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.
Additional source detail variants (2)
Fuel System, Other
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.
Fuel System, Other:storage:fuel Gauge System
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.