NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
1,466 reports90,345 miles · Apr 30, 2011
Fuel System, Gasoline
2005 CHEVY TRAILBLAZER, GAS GAUGE DOES NOT WORK ALL OF THE TIME AND WHEN IT IS WORKING IT IS NOT ACCURATE, SHORTLY AFTER FILLING TANK, LOW FUEL ALARM SOUNDS. THE ALARM IS A DISTRACTION, IN ADDITION THERE ARE TIMES WHEN IT INDICATES THERE IS FUEL AND THE VEHICLE RUNS OUT OF GAS, THE CREATES A HAZARD, GETTING STUCK ON THE HIGHWA…
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2005 CHEVY TRAILBLAZER, GAS GAUGE DOES NOT WORK ALL OF THE TIME AND WHEN IT IS WORKING IT IS NOT ACCURATE, SHORTLY AFTER FILLING TANK, LOW FUEL ALARM SOUNDS. THE ALARM IS A DISTRACTION, IN ADDITION THERE ARE TIMES WHEN IT INDICATES THERE IS FUEL AND THE VEHICLE RUNS OUT OF GAS, THE CREATES A HAZARD, GETTING STUCK ON THE HIGHWAY. *TR
NHTSA ODI #10398381
33,000 miles · Apr 30, 2011
Fuel System, Gasoline
MY WIFE'S 2005 CHEVY TRAILBLAZER'S FUEL GAUGE FAILED. SHE WAS DRIVING ON THE ROAD THINKING SHE HAD A 1/4 TANK OR SO OF GAS WHEN IT WAS ACTUALLY EMPTY CAUSING HER VEHICLE TO STALL WHICH NEARLY RESULTED IN AN ACCIDENT. FORTUNATELY FOR US, THE DRIVER BEHIND HER HAD AMPLE DISTANCE TO STOP BEFORE HITTING HER VEHICLE. WHEN THE C…
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MY WIFE'S 2005 CHEVY TRAILBLAZER'S FUEL GAUGE FAILED. SHE WAS DRIVING ON THE ROAD THINKING SHE HAD A 1/4 TANK OR SO OF GAS WHEN IT WAS ACTUALLY EMPTY CAUSING HER VEHICLE TO STALL WHICH NEARLY RESULTED IN AN ACCIDENT. FORTUNATELY FOR US, THE DRIVER BEHIND HER HAD AMPLE DISTANCE TO STOP BEFORE HITTING HER VEHICLE. WHEN THE CHEVY DEALER WAS CONTACTED THEY INDICATED THEY WERE AWARE OF A FAULTY PICKUP (?) IN THE TANK AND BUT IT HAS NOT BEEN RECALLED BY GENERAL MOTORS. I FEEL IT SHOULD BE RECALLED BY THE MANUFACTURER AND FIXED. IF THIS OCCURRED ON THE HIGHWAY THERE MOST LIKELY WOULD HAVE BEEN A SERIOUS ACCIDENT. THANK YOU FOR YOUR TIME AND PLEASE MANDATE A RECALL FOR THIS SERIOUS AND POSSIBLY DANGEROUS DEFECT. *TR
NHTSA ODI #10398365
80,000 miles · Apr 30, 2011
Fuel System, Other
I DRIVE A 2005 CHEVROLET TRAIL BLAZER. THE GAS GAUGE IS WILDLY INACCURATE. IN FACT, WHEN I WAS DRIVING THE VEHICLE, I RAN OUT OF GAS. IT WAS IN THE EVENING DURING THE COLD MICHIGAN WINTER AND I HAD MY 6 MONTH OLD DAUGHTER WITH ME IN HER CAR SEAT. THE GAUGE DOES NOT PROVIDE ME WITH AN ACCURATE IDEA OF HOW MUCH FUEL IS LEFT IN…
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I DRIVE A 2005 CHEVROLET TRAIL BLAZER. THE GAS GAUGE IS WILDLY INACCURATE. IN FACT, WHEN I WAS DRIVING THE VEHICLE, I RAN OUT OF GAS. IT WAS IN THE EVENING DURING THE COLD MICHIGAN WINTER AND I HAD MY 6 MONTH OLD DAUGHTER WITH ME IN HER CAR SEAT. THE GAUGE DOES NOT PROVIDE ME WITH AN ACCURATE IDEA OF HOW MUCH FUEL IS LEFT IN THE TANK AND I AM FORCED TO EITHER USE MY ODOMETER OR JUST MAKE AN EDUCATED GUESS. THIS IS A SAFETY HAZARD WHICH NEEDS TO BE ADDRESSED. *TR
NHTSA ODI #10398350
65,000 miles · Apr 30, 2011
Fuel System, Gasoline
I HAVE A 2005 TRAILBLAZER IN WHICH THE GAS GAUGE IS DEFECTIVE. ABOUT 6 MONTHS AGO, IT STARTED SENDING THE ALARM OF LOW FUEL EVEN THOUGH THERE WAS PLENTY OF GAS IN VEHICLE. NOW, THE GAUGE GOES UP AND DOWN AND EVENTUALLY WILL BE IN THE EMPTY POSITION EVEN AFTER I HAVE FILLED IT UP. NEED TO GET VEHICLE FIXED, BUT WAITING UNTIL …
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I HAVE A 2005 TRAILBLAZER IN WHICH THE GAS GAUGE IS DEFECTIVE. ABOUT 6 MONTHS AGO, IT STARTED SENDING THE ALARM OF LOW FUEL EVEN THOUGH THERE WAS PLENTY OF GAS IN VEHICLE. NOW, THE GAUGE GOES UP AND DOWN AND EVENTUALLY WILL BE IN THE EMPTY POSITION EVEN AFTER I HAVE FILLED IT UP. NEED TO GET VEHICLE FIXED, BUT WAITING UNTIL A RECALL OCCURS. *TR
NHTSA ODI #10398339
Mileage unknown · Apr 29, 2011
Fuel System, Gasoline
2005 TRAILBLAZER THAT GAS GAUGE DOESN'T WORK PROPERLY AND HAS CAUSED ME TO STALL OUT ON A STREET AND ALMOST CAUSE MORE ISSUES. *TR
NHTSA ODI #10398320
116,000 miles · Apr 29, 2011
Fuel System, Other
I HAD THE SAME ISSUE WITH MY 2005 CHEVROLET TRAILBLAZER AS DOCUMENT DP10001. I TOOK IT TO THE DEALER WHO INSTALLED A NEW FUEL SENSOR KIT, GM PART # 19178477. *TR
NHTSA ODI #10398290
Mileage unknown · Apr 29, 2011
Fuel System, Gasoline
I HAVE A 2005 CHEVROLET TRAILBLAZER WITH 80,000 MILES. AND THE FUEL GAUGE DOES NOT OPERATE. IT WENT OUT AROUND 50,000 MILES. *TR
NHTSA ODI #10398288
95,126 miles · Apr 25, 2011
Electrical System
GAS GAUGE INDICATES LOW AFTER FILL UP. IT THEN VARIES BETWEEN EMPTY AND FULL. AFTER READING ALL THE COMPLAINTS ON THE INTERNET OF THE IDENTICAL PROBLEM WITH THIS VEHICLE, I FEEL THERE SHOULD BE A RECALL. THIS IS A SERIOUS PROBLEM. IT IS IMPOSSIBLE TO TRACK HOW MUCH GAS YOU HAVE LEFT BY MILEAGE, ESPECIALLY WHEN THERE ARE MULTI…
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GAS GAUGE INDICATES LOW AFTER FILL UP. IT THEN VARIES BETWEEN EMPTY AND FULL. AFTER READING ALL THE COMPLAINTS ON THE INTERNET OF THE IDENTICAL PROBLEM WITH THIS VEHICLE, I FEEL THERE SHOULD BE A RECALL. THIS IS A SERIOUS PROBLEM. IT IS IMPOSSIBLE TO TRACK HOW MUCH GAS YOU HAVE LEFT BY MILEAGE, ESPECIALLY WHEN THERE ARE MULTIPLE USERS OF THE VEHICLE. IF THE VEHICLE SUDDENLY STOPS IN TRAFFIC (LOCAL ROAD OR HIGHWAY) IT COULD RESULT IN SERIOUS INJURY OR DEATH. SINCE THIS IS A WELL KNOWN PROBLEM, I THINK THE NHTSB SHOULD LOOK INTO THIS AND GET CHEVROLET TO RECALL THESES VEHICLES TO REPLACE THE SENDING UNITS. I NOTICED A COMPLAINT WAS FILED FOR THE IDENTICAL PROBLEM WITH THE NHTSB BACK IN 2010, WHY IS IT TAKING SO LONG FOR ACTION, WITH ALL DUE RESPECT. AGAIN, SO MANY TRAILBLAZER OWNERS ARE HAVING THIS ISSUE. *TR
NHTSA ODI #10397315
Mileage unknown · Apr 21, 2011
Fuel System, Gasoline
I HAVE A 2005 CHEVY TRAILBLAZER THAT HAS A DEFECTIVE FUEL SENDING UNIT. THE VEHICLE WILL NOT DISPLAY FUEL LEVEL. MY RESEARCH SHOWS THAT THIS IS A COMMON PROBLEM WITH THE CHEVY TRAILBLAZER/GMC ENVOY. THE DEFECT IF LEFT UNREPAIRED CAN LEAD TO STALLING DURING OPERATION AND LEAD TO VEHICLE CRASHES AND OR DEATH OR SERIOUS INJURY. *T…
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I HAVE A 2005 CHEVY TRAILBLAZER THAT HAS A DEFECTIVE FUEL SENDING UNIT. THE VEHICLE WILL NOT DISPLAY FUEL LEVEL. MY RESEARCH SHOWS THAT THIS IS A COMMON PROBLEM WITH THE CHEVY TRAILBLAZER/GMC ENVOY. THE DEFECT IF LEFT UNREPAIRED CAN LEAD TO STALLING DURING OPERATION AND LEAD TO VEHICLE CRASHES AND OR DEATH OR SERIOUS INJURY. *TR
NHTSA ODI #10397037
56,114 miles · Apr 11, 2011
Electrical SystemFuel System, Gasoline
MARCH 30, 2011, I SPENT $80.00 ON FUEL TO FILL MY TRAILBLAZER WITH GAS. I STARTED DRIVING AND THE GAS GAUGE NEVER MOVED, AND WAS STILL SHOWING EMPTY WITH THE LOW FUEL WARNING CHIMING. WHEN I WAS ALMOST HOME THE FUEL GAUGE FINALLY STARTED MOVING BUT NEVER WENT PAST A HALF TANK. I INSPECTED THE VEHICLE TO SEE IF THERE WERE ANY …
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MARCH 30, 2011, I SPENT $80.00 ON FUEL TO FILL MY TRAILBLAZER WITH GAS. I STARTED DRIVING AND THE GAS GAUGE NEVER MOVED, AND WAS STILL SHOWING EMPTY WITH THE LOW FUEL WARNING CHIMING. WHEN I WAS ALMOST HOME THE FUEL GAUGE FINALLY STARTED MOVING BUT NEVER WENT PAST A HALF TANK. I INSPECTED THE VEHICLE TO SEE IF THERE WERE ANY SIGNS OF A FUEL LEAK AND NOTHING LOOKED OUT OF THE ORDINARY. WHEN I HAD TO LEAVE AGAIN TO RUN ERRANDS THE FUEL GAUGE WOULD MOVE, HOWEVER, IT WOULD GO BACK DOWN TO EMPTY WHEN I WAS STOPPED OR PUT THE CAR IN PARK. I HAVE ALSO HAD ISSUES WITH REAR TAIL LIGHT PANEL WIRES FRYING AND HAVING TO REPLACE THOSE WHEN THERE WERE NO APPARENT CAUSES (MOISTURE, ETC.). LIGHTS DIMMING WHILE I ROLL UP A WINDOW OR PUSH OTHER BUTTONS IN THE CAR (RADIO, CLIMATE CONTROL) AND LIGHTS IN CERTAIN AREAS OF THE CAR JUST BLOWING OUT. FUSES ARE FINE, ALTERNATOR AND BATTERY ARE FINE. WHY IS THIS VEHICLE HAVING SO MANY PROBLEMS AT 56,000 MILES? I UNDERSTAND THAT THESE ARE NOT LIFE THREATENING ISSUES, BUT WHAT IS NEXT. WHY DO I HAVE TO CONSTANTLY MONITOR MY MILEAGE JUST TO MAKE SURE I DON'T STALL OR RUN OUT OF GAS WHEN I AM DRIVING. ARE WE THE CUSTOMERS SUPPOSED TO SHELL OUT $$$ TO HAVE REPAIRS DONE CONTINUALLY ON DEFECTIVE EQUIPMENT AND COMPONENTS. I DON'T THINK SO. GMC NEEDS TO DRASTICALLY IMPROVE THE QUALITY AND DURABILITY OF THEIR PRODUCTS, AND STEP UP TO THE PLATE AND TAKE CARE OF THE CUSTOMERS THEY DO HAVE. WORD OF MOUTH IS WAY MORE EFFECTIVE THAN MILLIONS OF DOLLARS IN ADVERTISING.
NHTSA ODI #10396327
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.