NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
488 reports95,000 miles · Aug 9, 2011
Fuel System, Gasoline
I FILLED MY GAS TANK UP TO FULL AROUND 2 MONTHS AGO. AFTER I WAS DONE, I STARTED THE VEHICLE, AND NOTICED THE GAUGE DIPPED TO EMPTY AND SHOWED THAT I WAS LOW ON FUEL. I WENT IN AND HAD THE ATTENDANT VERIFY THAT INDEED I DID HAVE GAS DISPENSED INTO MY TANK. THE GAUGE CONTINUED TO FLUCTUATE FOR THE NEXT FEW DAYS, AND EVER SINCE…
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I FILLED MY GAS TANK UP TO FULL AROUND 2 MONTHS AGO. AFTER I WAS DONE, I STARTED THE VEHICLE, AND NOTICED THE GAUGE DIPPED TO EMPTY AND SHOWED THAT I WAS LOW ON FUEL. I WENT IN AND HAD THE ATTENDANT VERIFY THAT INDEED I DID HAVE GAS DISPENSED INTO MY TANK. THE GAUGE CONTINUED TO FLUCTUATE FOR THE NEXT FEW DAYS, AND EVER SINCE HAS SHOWN EMPTY TO 1/4 OR 3/8 OF A TANK, NEVER SHOWING THE SAME READING FOR MORE THAN A FEW MINUTES AT A TIME. I HAVE A FAMILY AND DO WORRY FOR THEIR SAFETY. THERE IS NO WAY OF KNOWING TRULY HOW MUCH GAS IS IN THERE AT ANY GIVEN MOMENT, AND THE COST IS WAY TO STEEP TO REPAIR. I HAVE SPOKEN TO MULTIPLE GM DEALERS AND CUSTOMER SERVICE REPS, AND HAVE FOUND THAT THEY LIKE TO PRETEND THAT THIS HAS NEVER HAPPENED TO ANYONE BEFORE. VERY UNCOOPERATIVE. MY CONCERN IS FOR MYSELF OF COURSE, BUT ALSO FOR THOSE PURCHASING THESE VEHICLES USED FROM PRIVATE PARTIES WITHOUT BEING NOTIFIED OF THIS ACUTE AND WIDESPREAD PARTS FAILURE, WHICH INDEED MUST BE DEFECTIVE IF IT IS HAPPENING TO SO MANY. SAFETY IS OF COURSE THE BIGGEST ISSUE HERE, AND GM SHOULD TAKE NOTE. *TR
NHTSA ODI #10418259
50,000 miles · Aug 9, 2011
Fuel System, Other
GAS GAUGE STOPPED WORKING AT 50K MILES. *TR
NHTSA ODI #10418231
50,000 miles · Aug 4, 2011
Fuel System, Gasoline
THE FUEL GAUGE STOPPED WORKING. THE FUEL GAUGE READS EMPTY WHEN THE FUEL TANK IS FULL. THE CHECK ENGINE LIGHT IS ON.
NHTSA ODI #10417528
80,000 miles · Aug 4, 2011
Electrical System
THE SPEEDOMETER ON MY 2005 ENVOY IS NOLONGER WORKING...THE PROBLEM SEEM TO BE COMMON WITH ENVOY OWNERS BECAUSE WE HAVE AN ENTIRE FORUM ON IT I HAVE COMPLAINED TO GMC AND NO AVAIL...I TRIED TO TRADE THE CAR BUT WAS OFFERED WAY LESS THAN FAIR TRADE VALUE BECAUSE THE SPEEDOMETER IS NOT WORKING I HOPE I CAN GET SOME HELP FROM SOMEON…
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THE SPEEDOMETER ON MY 2005 ENVOY IS NOLONGER WORKING...THE PROBLEM SEEM TO BE COMMON WITH ENVOY OWNERS BECAUSE WE HAVE AN ENTIRE FORUM ON IT I HAVE COMPLAINED TO GMC AND NO AVAIL...I TRIED TO TRADE THE CAR BUT WAS OFFERED WAY LESS THAN FAIR TRADE VALUE BECAUSE THE SPEEDOMETER IS NOT WORKING I HOPE I CAN GET SOME HELP FROM SOMEONE..I CAN NOT AFFORD TO KEEP TAKING THE CAR BACK AND FORTH TO THE DEALERSHIP. *TR
NHTSA ODI #10417137
Mileage unknown · Aug 3, 2011
Engine And Engine CoolingFuel System, Gasoline
I BOUGHT MY VEHICLE USED IN 2006 AND HAVE HAD PROBLEMS WITH IT STALLING SEVERAL DAYS A YEAR. NOW MY GAS GAUGE IS NOT WORKING. I FILL IT UP AND IT STARTS BLINKING WITH THE RED LIGHT THAT ITS EMPTY.
NHTSA ODI #10417448
115,000 miles · Aug 2, 2011
Fuel System, Gasoline
FAULTY FUEL GAUGE. AFTER FILLING UP TANK WITH GAS, FUEL GAUGE READS EMPTY. AFTER SOME DRIVING, FUEL GAUGE INDICATES A CHANGING LEVEL OF FUEL WITH THE RANGE INDICATOR FLUCTUATING FROM 0 TO ~114 MILES LEFT. USUALLY GAUGE READS 0 REGARDLESS OF HOW MUCH FUEL IS IN THE TANK, BUT SOMETIMES IT WILL INDICATE A HIGHER READING THAN WHA…
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FAULTY FUEL GAUGE. AFTER FILLING UP TANK WITH GAS, FUEL GAUGE READS EMPTY. AFTER SOME DRIVING, FUEL GAUGE INDICATES A CHANGING LEVEL OF FUEL WITH THE RANGE INDICATOR FLUCTUATING FROM 0 TO ~114 MILES LEFT. USUALLY GAUGE READS 0 REGARDLESS OF HOW MUCH FUEL IS IN THE TANK, BUT SOMETIMES IT WILL INDICATE A HIGHER READING THAN WHAT THE TANK ACTUALLY HOLDS. THIS ISSUE HAS CAUSED 1 INCIDENT WHERE THE VEHICLE RAN OUT OF FUEL WHILE THE GAUGE INDICATED THERE WAS STILL FUEL IN THE TANK. I BELIEVE THE PROBLEM TO BE WITH THE SENDING UNIT ON THE GAS TANK.
NHTSA ODI #10417423
109,000 miles · Aug 1, 2011
Fuel System, Gasoline
THE FUEL GAUGE ON MY 2005 GMC ENVOY READS EMPTY AND THE WARNING LIGHT COMES ON WHEN THERE IS PLENTY OF GASOLINE IN THE VEHICLE. I CAN FILL THE VEHICLE UP, OR ONLY PUT $20 IN, AND THE FUEL GAUGE WILL STILL FLUCTUATE BETWEEN EMPTY AND THE AMOUNT OF ACTUAL GAS IN THE VEHICLE. IT READS EMPTY MOST OF THE TIME. THIS IS VERY FRUST…
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THE FUEL GAUGE ON MY 2005 GMC ENVOY READS EMPTY AND THE WARNING LIGHT COMES ON WHEN THERE IS PLENTY OF GASOLINE IN THE VEHICLE. I CAN FILL THE VEHICLE UP, OR ONLY PUT $20 IN, AND THE FUEL GAUGE WILL STILL FLUCTUATE BETWEEN EMPTY AND THE AMOUNT OF ACTUAL GAS IN THE VEHICLE. IT READS EMPTY MOST OF THE TIME. THIS IS VERY FRUSTRATION AS A DRIVER NEVER REALLY KNOWS HOW MUCH GASOLINE THEY HAVE IN THEIR TANK.
NHTSA ODI #10417331
45,300 miles · Aug 1, 2011
Steering
TL* THE CONTACT OWNS A 2005 GMC ENVOY. THE CONTACT STATED WHILE DRIVING 35 MPH THE POWER STEERING FEATURE MALFUNCTIONED. THE CONTACT WAS ABLE TO CONTROL THE STEERING WHEEL BUT WITH SOME DIFFICULTY. THE FOLLOWING DAY THE CONTACT TOOK THE VEHICLE TO A DEALER. THE DEALER DISCOVERED A BROKEN METAL TUBE THATS CONNECTED TO THE POW…
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TL* THE CONTACT OWNS A 2005 GMC ENVOY. THE CONTACT STATED WHILE DRIVING 35 MPH THE POWER STEERING FEATURE MALFUNCTIONED. THE CONTACT WAS ABLE TO CONTROL THE STEERING WHEEL BUT WITH SOME DIFFICULTY. THE FOLLOWING DAY THE CONTACT TOOK THE VEHICLE TO A DEALER. THE DEALER DISCOVERED A BROKEN METAL TUBE THATS CONNECTED TO THE POWER STEERING PUMP. THE CONTACT NOTICED NHTSA RECALL CAMPAIGN NUMBER 05V455000 (STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS) BUT DUE TO THE VIN NUMBER THE VEHICLE DID NOT APPLY. THE CONTACT STATED WITH THE POWER STEERING MALFUNCTIONING A FIRE COULD HAVE OCCURRED OR EVEN RESULTED IN A CRASH. THE FAILURE MILEAGE WAS 45,300.
NHTSA ODI #10416528
57,000 miles · Aug 1, 2011
Fuel System, GasolineFuel System, Other
I BOUGHT A 2005 GMC ENVOY ROUGHLY 2 YEARS AGO WITH 67K AND AM EXPERIENCING ISSUES WITH THE FUEL SENSOR. WHEN I FILL UP WITH GAS THE SENSOR READS TANK AS EMPTY DIRECTLY AFTER AND SEEMS TO FLUCTUATE TO WHATEVER IT WANTS THE REST OF THE TIME. UPON RESEARCHING THE INTERNET WITH THIS ISSUE IT APPEARS THAT SEVERAL OTHER CONSUMERS ARE …
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I BOUGHT A 2005 GMC ENVOY ROUGHLY 2 YEARS AGO WITH 67K AND AM EXPERIENCING ISSUES WITH THE FUEL SENSOR. WHEN I FILL UP WITH GAS THE SENSOR READS TANK AS EMPTY DIRECTLY AFTER AND SEEMS TO FLUCTUATE TO WHATEVER IT WANTS THE REST OF THE TIME. UPON RESEARCHING THE INTERNET WITH THIS ISSUE IT APPEARS THAT SEVERAL OTHER CONSUMERS ARE HAVING THE SAME PROBLEMS AND GMC IS NOT WILLING TO HELP BECAUSE IT'S NOT A SAFETY RISK. I PERSONALLY DO SEE THIS AS A SAFETY RISK, IF YOU DON'T PAY PROPER ATTENTION YOU COULD RUN OUT OF GAS AND BE STRANDED ANYWHERE. WHEN I FOUND THE LINK TO THIS WEBSITE AND FORM AND THOUGHT IT WAS WORTH A SHOT TO HOPEFULLY GET THIS ISSUE RESOLVED FOR MYSELF AND THE MANY OTHERS THAT SPEND THEIR HARD EARNED MONEY ON THESE VEHICLES. *KB
NHTSA ODI #10416454
90,400 miles · Jul 31, 2011
Electrical System
DRIVING DOWN THE ROAD I GLANCED TO CHECK MY SPEEDOMETER AND SAW IT REGISTERED ABOUT 100 MPH. I WAS ONLY GOING ABOUT 40. THE SPEEDOMETER CONTINUED TO CLIMB AND WENT BELOW THE HIGHEST REGISTERED NUMBER, WHICH IS 120, AND THAT'S WHERE IT NOW SITS APPARENTLY FOR GOOD. NOW I CANNOT TELL MY SPEED. THE NEEDLE REMAINS BURIED BELOW 120 M…
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DRIVING DOWN THE ROAD I GLANCED TO CHECK MY SPEEDOMETER AND SAW IT REGISTERED ABOUT 100 MPH. I WAS ONLY GOING ABOUT 40. THE SPEEDOMETER CONTINUED TO CLIMB AND WENT BELOW THE HIGHEST REGISTERED NUMBER, WHICH IS 120, AND THAT'S WHERE IT NOW SITS APPARENTLY FOR GOOD. NOW I CANNOT TELL MY SPEED. THE NEEDLE REMAINS BURIED BELOW 120 MPH AND DOES NOT MOVE AT ALL NO MATTER WHAT SPEED. *TR
NHTSA ODI #10416416
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.