NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
1,466 reports75,863 miles · Oct 26, 2011
Electrical SystemExterior LightingFuel System, Gasoline
I WAS DRIVING ON THE FREEWAY WHEN I NOTICED MY SPEEDOMETER SUDDENLY WENT TO 100 MILES AN HOUR. I KNEW THIS COULD NOT BE THE CASE AS MY GPS SHOWED I WAS TRAVELING AT 55MPH. IT THEN WENT TO 120MILES AN HOUR AND FLIP. FLOPPED BACK AND FORTH. I WENT TO THE CHEVROLET DEALERSHIP AND THEY INFORMED ME IT WAS THE ELECTRICAL CLUSTER …
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I WAS DRIVING ON THE FREEWAY WHEN I NOTICED MY SPEEDOMETER SUDDENLY WENT TO 100 MILES AN HOUR. I KNEW THIS COULD NOT BE THE CASE AS MY GPS SHOWED I WAS TRAVELING AT 55MPH. IT THEN WENT TO 120MILES AN HOUR AND FLIP. FLOPPED BACK AND FORTH. I WENT TO THE CHEVROLET DEALERSHIP AND THEY INFORMED ME IT WAS THE ELECTRICAL CLUSTER AND EVEN THOUGH THERE WERE MANY COMPLAINTS, CHEVROLET WOULD NOT PAY FOR IT. THE COST TO ME WOULD BE OVER $500 I LIVE ON A SMALL SOCIAL SECURITY CHECK, SO COULD NOT AFFORD TO REPAIR IT. NEXT AT 85,000 MILES THE FUEL GAUGE WENT HAYWIRE AND WOULD NOT REGISTER ANY FUEL ALTHOUGH I WOULD FILL IT COMPLETELY. ALSO, THE LIGHTS BLINK OFF AND ON WHEN I AM DRIVING AT NIGHT, SO, I AM AFRAID I WILL BE STRANDED SOMEWHERE IN THE DARK WITH MY CAR QUITTING ALL TOGETHER. THIS WAS MY LAST CAR PURCHASE BEFORE I RETIRED AND I AM JUST SICK THAT THE CHEVROLET COMPANY WILL NOT FIX THESE DEFECTS...THEY FIX THE SAME CLUSTER IN THEIR CHEVROLET TRUCKS....WHY NOT IN THE CARS? BY THE WAY, I JUST GOT A LETTER LAST WEEK SAYING THEY WOULD "SPLIT THE COST " TO FIX THE FUEL GAUGE...(MY COST IS $200 1/3 OF MY SOCIAL SECURITY CHECK!! *TR
NHTSA ODI #10432909
129,000 miles · Oct 26, 2011
Electrical System
THE SUV WAS GOING ABOUT 40 MPH WHEN THE INSTRUMENT PANEL SHOWED 120 MPH ... IT WILL NOT GO BACK TO NORMALL ... IT DOES NOW SHOW 100MPH EVEN WITH THE CAR OFF. *TT
NHTSA ODI #10432894
Mileage unknown · Oct 25, 2011
Fuel System, GasolineFuel System, Other
2005 CHEVROLET TRAILBLAZER. CONSUMER WRITES IN REGARDS TO PROBLEM WITH FUEL TANK SENSOR ISSUE *TGW
NHTSA ODI #10433289
189,000 miles · Oct 25, 2011
Fuel System, Gasoline
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FUEL SENDING UNIT WAS BROKEN AND CAUSING THE FUEL GAUGE TO PROVIDE A CONSTANT EMPTY READING. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER SENT A LETTER TO THE CONTACT ADVISING THAT THERE WAS SPECIAL COVERAGE FOR VEHICLE WITH 120,000 MILES…
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TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FUEL SENDING UNIT WAS BROKEN AND CAUSING THE FUEL GAUGE TO PROVIDE A CONSTANT EMPTY READING. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER SENT A LETTER TO THE CONTACT ADVISING THAT THERE WAS SPECIAL COVERAGE FOR VEHICLE WITH 120,000 MILES OR LESS FOR A FREE REPAIR. THE MANUFACTURER WAS NOTIFIED AND OFFERED NO ASSISTANCE TO THE CONTACT. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 189,000.
NHTSA ODI #10432785
78,000 miles · Oct 21, 2011
Engine And Engine CoolingFuel System, Gasoline
WHEN FILLING UP TANK WITH GAS, FUEL GAUGE INDICATES EMPTY AND LOW FUEL LIGHT APPEARS. BLOWER FAN SWITCH WORKS INTERMITTENTLY, *TR
NHTSA ODI #10432420
Mileage unknown · Oct 18, 2011
Fuel System, Gasoline
I HAVE A 2005 CHEVY TRAILBLAZER. THE GAS GAUGE QUICK WORKING ALMOST A YEAR AND HALF AGO. ORIGINALLY, I WOULD FILL UP THE TANK AND IT WOULD READ ONLY 1/2 TANK. OVER TIME, IT READ ALL DIFFERENT READINGS FROM FULL WHEN EMPTY TO 1/3 TANK WHEN FULL. FOR THE PAST SIX MONTHS OR SO, IT HAS REMAINED ON EMPTY WITH THE GAS LIGHT ON AND…
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I HAVE A 2005 CHEVY TRAILBLAZER. THE GAS GAUGE QUICK WORKING ALMOST A YEAR AND HALF AGO. ORIGINALLY, I WOULD FILL UP THE TANK AND IT WOULD READ ONLY 1/2 TANK. OVER TIME, IT READ ALL DIFFERENT READINGS FROM FULL WHEN EMPTY TO 1/3 TANK WHEN FULL. FOR THE PAST SIX MONTHS OR SO, IT HAS REMAINED ON EMPTY WITH THE GAS LIGHT ON AND DINGS OCCASIONALLY FLASHING LOW FUEL - EVEN THOUGH I JUST FILLED UP. I HAVE LEARNED TO GO BY MILEAGE TO PREVENT RUNNING OUT OF GAS BUT THIS IS VERY MUCH AN INCONVENIENCE FOR SOMETHING THAT IS A MANUFACTURER DEFECT. I FEAR RUNNING OUT OF GAS OR HAVING AN ACCIDENT RELATED TO RUNNING OUT OF GAS SO I KEEP MY TANK AS FULL AS POSSIBLE AND FILL UP FREQUENTLY. I HAVE NOT HAD REPAIRED DUE FINANCIAL RESTRAINTS BUT HAVE RECENTLY BEEN READING ABOUT THE NUMEROUS COMPLAINTS OF THE SAME ISSUE. I WOULD LIKE TO REPORT THIS OFFICIAL COMPLAINT TO ADD TO YOUR INVESTIGATION. *TR
NHTSA ODI #10430596
Mileage unknown · Oct 17, 2011
TiresWheels
THERE IS A POTENTIAL SAFETY ISSUE RELATED TO THE SPARE TIRE WINCH OF GM VEHICLES THAT HAVE AN UNDERSIDE MOUNTED SPARE TIRE. I USED MY WINCH FOR THE FIRST TIME AND FOUND IT DIFFICULT TO LOWER THE TIRE FROM THE UNDERSIDE OF THE VEHICLE. YES, I HAD TO BREAK OUT THE OWNER'S MANUAL IN ORDER TO FIGURE OUT THE SECONDARY RELEASE! W…
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THERE IS A POTENTIAL SAFETY ISSUE RELATED TO THE SPARE TIRE WINCH OF GM VEHICLES THAT HAVE AN UNDERSIDE MOUNTED SPARE TIRE. I USED MY WINCH FOR THE FIRST TIME AND FOUND IT DIFFICULT TO LOWER THE TIRE FROM THE UNDERSIDE OF THE VEHICLE. YES, I HAD TO BREAK OUT THE OWNER'S MANUAL IN ORDER TO FIGURE OUT THE SECONDARY RELEASE! WHEN THE SERVICE STATION WENT TO PUT IT BACK UP, THEY TOLD ME THE WINCH WAS DEFECTIVE AND NEEDED TO BE REPLACED. I TOOK IT TO THE DEALERSHIP AND THEY AGREED. I'M CLAIMING THAT THIS IS A COMMON ISSUE AND A DESIGN FLAW. GM IS SAYING IT IS "NORMAL" WEAR & TEAR. I'M HAVING A HARD TIME SWALLOWING THIS SINCE IT HAS ONLY BEEN USED ONCE. NOW THEY ARE CLAIMING "ENVIRONMENTAL" FACTORS AND RUST, CAUSED BY SALT IN MY STATE. THEY ARE POINTING TO SOME LOOPHOLE IN THE MANUAL TO DENY RESPONSIBILITY. UNDERSTAND THAT I'M OUTSIDE OF THE 3/36 WARRANTY, BUT STILL BELIEVE THE COMPANY SHOULD STAND BEHIND THEIR PRODUCT AND TAKE OWNERSHIP FOR THIS FLAW. IF THIS AREA IS PRONE TO RUST AND HAS A HISTORY OF FAILING (AS INDICATED ON MY AUTOMOTIVE FORUMS), WHAT IS TO KEEP THE SPARE TIRE FROM FLYING OFF DURING OPERATION OF THE VEHICLE. IF THIS SPARE WILL NOT SNUG UP TO THE UNDERSIDE OF THE BODY, IT SEEMS THAT HITTING A BUMP COULD CAUSE THE TIRE TO BREAK FREE OR ONE OF THE "RUSTED" COMPONENTS COULD CAUSE IT TO DROP EXPECTANTLY. I HAVE TRIED NUMEROUS TIMES TO GET THIS RESOLVED THROUGH MY LOCAL DEALER AND GM'S CUSTOMER CARE DIVISION, BUT THEY REFUSE TO TAKE RESPONSIBILITY FOR A POOR DESIGN. *TR
NHTSA ODI #10430574
80,000 miles · Oct 17, 2011
Electrical SystemFuel System, Gasoline
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FUEL GAUGE WAS INOPERABLE AND THE SPEEDOMETER WAS PERMANENTLY STUCK AT 20 MPH. IN ADDITION, THE FUEL WARNING LIGHT WAS CONSTANTLY ILLUMINATED DESPITE HOW MUCH FUEL WAS IN THE VEHICLE. THE VEHICLE WAS NOT INSPECTED. THE CURRENT MILEAGE IS 82,000 AND T…
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TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FUEL GAUGE WAS INOPERABLE AND THE SPEEDOMETER WAS PERMANENTLY STUCK AT 20 MPH. IN ADDITION, THE FUEL WARNING LIGHT WAS CONSTANTLY ILLUMINATED DESPITE HOW MUCH FUEL WAS IN THE VEHICLE. THE VEHICLE WAS NOT INSPECTED. THE CURRENT MILEAGE IS 82,000 AND THE FAILURE MILEAGE WAS 80,000 UPDATED 11/16/11*LJ
NHTSA ODI #10430470
60,000 miles · Oct 17, 2011
Fuel System, Gasoline
I STOPPED FOR GAS COMING HOME FROM LONG TRIP. ABOUT FIVE MILES LATER MY FUEL GAUGE WENT TO EMPTY. IT WOULD WORK SPORADICALLY FOR A FEW MONTHS THEN NOTHING. I HAVE NOTICED THAT INSTRUMENT PANEL GOES REALLY DIM ONCE IN A WHILE FOR NO REASON ALSO. I HAVE RECEIVED A LETTER FROM GM STATING THAT THEY HAVE A PROBLEM WITH THE FUEL LEVEL…
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I STOPPED FOR GAS COMING HOME FROM LONG TRIP. ABOUT FIVE MILES LATER MY FUEL GAUGE WENT TO EMPTY. IT WOULD WORK SPORADICALLY FOR A FEW MONTHS THEN NOTHING. I HAVE NOTICED THAT INSTRUMENT PANEL GOES REALLY DIM ONCE IN A WHILE FOR NO REASON ALSO. I HAVE RECEIVED A LETTER FROM GM STATING THAT THEY HAVE A PROBLEM WITH THE FUEL LEVEL SENSOR AND THEY ARE WILLING TO PAY FOR 50% OF COST TO FIX. IF THEY KNOW THEIR PART IS DEFECTIVE SHOULDN'T THEY RECALL AND TAKE CARE OF THEIR FAULTY PRODUCT. *TR
NHTSA ODI #10430452
82,000 miles · Oct 16, 2011
Vehicle Speed Control
WAS DRIVING OTHER DAY AND LOOKED DOWN AT MY SPEEDOMETER AND IT SAID I WAS DOING 70MPH, AND I THOUGHT WELL MAYBE THE WIND WAS BEHIND ME. THEN I CAME TO A RED LIGHT, STOPPED AND SAW THAT IT SAID I WAS STILL DOING 20MPH (I WAS STOPPED).NICE GOING GM, YOUR BATTING 1000, FIRST ITS MY FUEL GAUGE NOW THE SPEEDOMETER WHAT'S NEXT? THIS I…
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WAS DRIVING OTHER DAY AND LOOKED DOWN AT MY SPEEDOMETER AND IT SAID I WAS DOING 70MPH, AND I THOUGHT WELL MAYBE THE WIND WAS BEHIND ME. THEN I CAME TO A RED LIGHT, STOPPED AND SAW THAT IT SAID I WAS STILL DOING 20MPH (I WAS STOPPED).NICE GOING GM, YOUR BATTING 1000, FIRST ITS MY FUEL GAUGE NOW THE SPEEDOMETER WHAT'S NEXT? THIS IS MY FIRST CHEVY THAT I GOT FOR MY BIRTHDAY LAST YEAR WELL IT HASN'T EVEN BEEN A YEAR SINCE I HAVE HAD THIS VEHICLE WORSE BIRTHDAY GIFT (TO MYSELF) EVER. WHY ARE ALL THE OTHER 2005 MODEL VEHICLES BEING RECALLED FOR THESE THINGS BUT NOT THE TRAILBLAZER? THIS IS NOT MY FAULT AND GM SHOULD MAKE IT RIGHT. *TR
NHTSA ODI #10430405
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.