NHTSA owner reports · September 18, 2026 snapshot.
Equipment complaints
20 reportsClear category filter140,000 miles · May 2, 2014
Electrical SystemEquipment
THE HEATER LEVELS STARTED TO GO OUT. FIRST 5, THEN 1 UNTIL IT NO LONGER WORKED AT ALL. I GOT IT REPAIRED BUT THE 5TH LEVEL DOES NOT WORK ANY MORE. THE LEFT HALF OF THE RADIO/CD PLAYER NO LONGER LIGHTS UP. MY GAS GAUGE WOULD ONLY REGISTER A QUARTER TANK AND THEN WOULD EVENTUALLY DROPPED TO EMPTY. IT NO LONGER WORKS AT ALL. MOST R…
Read full complaint
THE HEATER LEVELS STARTED TO GO OUT. FIRST 5, THEN 1 UNTIL IT NO LONGER WORKED AT ALL. I GOT IT REPAIRED BUT THE 5TH LEVEL DOES NOT WORK ANY MORE. THE LEFT HALF OF THE RADIO/CD PLAYER NO LONGER LIGHTS UP. MY GAS GAUGE WOULD ONLY REGISTER A QUARTER TANK AND THEN WOULD EVENTUALLY DROPPED TO EMPTY. IT NO LONGER WORKS AT ALL. MOST RECENTLY MY SPEEDOMETER WILL OCCASIONALLY QUIT WORKING OR REGISTER THE WRONG SPEED. I HAVE TO SHUT THE CAR OFF AND RESTART UNTIL IT WORKS AGAIN. ALSO, MY TACHOMETER GOES WAY UP WHEN I BEGIN DRIVING AND THE CAR SEEMS TO REV WAY UP BEFORE IT CHANGES GEARS AND JERKS INTO GEAR. I QUESTIONED A MECHANIC ABOUT THIS, THINKING IT WAS THE TRANSMISSION, WHICH IT ISN'T. THERE DOESN'T SEEM TO BE ENOUGH POWER. I HAVE CONSTANTLY HAD ISSUES WITH THIS TRAILBLAZER EVERY SINCE I PURCHASED IT. I ALSO OWNED A BLAZER AT ONE TIME AND ALSO HAD A LOT OF TROUBLE WITH IT. I SHOULD HAVE KNOWN BETTER TO PURCHASE ANOTHER CHEVY, BUT NEVER AGAIN! *TR
NHTSA ODI #10586148
Mileage unknown · Dec 11, 2012
EquipmentFuel System, Gasoline
I HAVE A 2005 CHEVY TRAILBLAZER EXT THAT HAS A FAULTY GAS GAUGE I CANNOT TELL HOW MUCH GAS I HAVE ITS EXTREMELY DANGEROUS WHEN YOU HAVE CHILDREN YOU NEED TO PICK UP DAILY AND DRIVE TO PRACTIVES NOT KNOWING HOW MUCH GAS YOU HAVE SO YOUR ALWAYS IN A PANIC TO PUT MORE. *TR
NHTSA ODI #10488014
52,345 miles · May 3, 2012
EquipmentFuel System, Gasoline
1 FUEL LEVEL SENSOR NOT WORKING 2. 70% OF THE TIME 3.BY GM NOTHING 2005 TRAILBLAZER. *TR
NHTSA ODI #10457430
80,000 miles · Jul 16, 2011
EquipmentFuel System, Gasoline
I BOUGHT THIS VEHICLE IN DEC 2010 FOR MY BIRTHDAY, THEN STARTED SMELLING GAS SO TOOK IT BACK TO DEALER AND THEY REPLACED THE FLOATER IN GAS TANK AND IT WAS FINE FOR AWHILE, THEN ONE DAY I WENT AND FILLED UP THE TANK, GOT IN AND STARTED IT UP AND IT SAID EMPTY AND HAD THE LIGHT ON (WHEN I KNEW IT WAS FULL), SINCE THEN I HAVE HAD…
Read full complaint
I BOUGHT THIS VEHICLE IN DEC 2010 FOR MY BIRTHDAY, THEN STARTED SMELLING GAS SO TOOK IT BACK TO DEALER AND THEY REPLACED THE FLOATER IN GAS TANK AND IT WAS FINE FOR AWHILE, THEN ONE DAY I WENT AND FILLED UP THE TANK, GOT IN AND STARTED IT UP AND IT SAID EMPTY AND HAD THE LIGHT ON (WHEN I KNEW IT WAS FULL), SINCE THEN I HAVE HAD TO RELY ON THE MILES TO KNOW IF I STILL HAVE GAS, WHICH IS HARD TO DO IF YOU DON'T FILL IT UP ALL THE TIME. I AM AFRAID OF HAVING MY GRANDSONS WITH ME ONE DAY AND RUNNING OUT OF GAS BECAUSE IT DON'T WORK..PLEASE RECALL THIS IT IS VERY DANGEROUS TO NOT KNOW IF YOU HAVE ENOUGH GAS WHEN YOU HAVE TO GO SOMEWHERE. THIS SHOULD NOT HAVE HAPPENED SINCE IT WAS JUST FIXED A FEW MONTHS AGO. WILL THIS BE AN ONGOING PROBLEM? I GREW UP WITH CHEVY'S MY DAD USE TO SAY WE WERE CHEVY COUNTRY AND MY UNCLE'S VEHICLES WERE FOUND ON THE ROAD DEAD (FORD) I USE TO BELIEVE THAT CHEVY WAS BEST VEHICLE MADE, BUT THIS IS CHANGING MY MIND. *TT
NHTSA ODI #10413168
80,000 miles · Jul 16, 2011
EquipmentFuel System, Gasoline
I BOUGHT THIS VEHICLE IN DEC 2010 FOR MY BIRTHDAY, THEN STARTED SMELLING GAS SO TOOK IT BACK TO DEALER AND THEY REPLACED THE FLOATER IN GAS TANK AND IT WAS FINE FOR AWHILE, THEN ONE DAY I WENT AND FILLED UP THE TANK, GOT IN AND STARTED IT UP AND IT SAID EMPTY AND HAD THE LIGHT ON (WHEN I KNEW IT WAS FULL), SINCE THEN I HAVE HAD…
Read full complaint
I BOUGHT THIS VEHICLE IN DEC 2010 FOR MY BIRTHDAY, THEN STARTED SMELLING GAS SO TOOK IT BACK TO DEALER AND THEY REPLACED THE FLOATER IN GAS TANK AND IT WAS FINE FOR AWHILE, THEN ONE DAY I WENT AND FILLED UP THE TANK, GOT IN AND STARTED IT UP AND IT SAID EMPTY AND HAD THE LIGHT ON (WHEN I KNEW IT WAS FULL), SINCE THEN I HAVE HAD TO RELY ON THE MILES TO KNOW IF I STILL HAVE GAS, WHICH IS HARD TO DO IF YOU DON'T FILL IT UP ALL THE TIME. I AM AFRAID OF HAVING MY GRANDSONS WITH ME ONE DAY AND RUNNING OUT OF GAS BECAUSE IT DON'T WORK..PLEASE RECALL THIS IT IS VERY DANGEROUS TO NOT KNOW IF YOU HAVE ENOUGH GAS WHEN YOU HAVE TO GO SOMEWHERE. THIS SHOULD NOT HAVE HAPPENED SINCE IT WAS JUST FIXED A FEW MONTHS AGO. WILL THIS BE AN ONGOING PROBLEM? I GREW UP WITH CHEVY'S MY DAD USE TO SAY WE WERE CHEVY COUNTRY AND MY UNCLE'S VEHICLES WERE FOUND ON THE ROAD DEAD (FORD) I USE TO BELIEVE THAT CHEVY WAS BEST VEHICLE MADE, BUT THIS IS CHANGING MY MIND. *TT
NHTSA ODI #10413167
68,000 miles · May 2, 2011
Electrical SystemEquipmentFuel System, Other
INSTRUMENT CLUSTER REPLACED 1 1/2 YEARS AGO BECAUSE OF FAULTY INSTRUMENT AND SPEEDOMETER READINGS. JANUARY OF 2011 GAS GAUGE MALFUNCTIONING READS EMPTY WHEN TANK HAS BEEN FILLED, AND CONTINUES TO MISREAD LEVELS AT ALL TIMES. *TR
NHTSA ODI #10398533
44,063 miles · Dec 23, 2010
Equipment
SPEEDOMETER MALFUNCTION. *LN
NHTSA ODI #10372287
77,103 miles · Sep 20, 2010
EquipmentStructure
I BOUGHT MY 2005 TRAILBLAZER IN AUGUST 2008. IN OCTOBER 2008, THE REAR WINDOW HINGE ADHESIVE WAS SEPARATING CAUSING THE HATCH TO NOT CLOSE PROPERLY. THIS WAS REPLACED BY THE DEALERSHIP. NOW IN SEPTEMBER 2010 THE SAME THING IS HAPPENING. THE REAR WINDOW ADHESIVE HAS COMPLETELY DISCONNECTED FROM THE HINGE AND THE WINDOW DOES NOT C…
Read full complaint
I BOUGHT MY 2005 TRAILBLAZER IN AUGUST 2008. IN OCTOBER 2008, THE REAR WINDOW HINGE ADHESIVE WAS SEPARATING CAUSING THE HATCH TO NOT CLOSE PROPERLY. THIS WAS REPLACED BY THE DEALERSHIP. NOW IN SEPTEMBER 2010 THE SAME THING IS HAPPENING. THE REAR WINDOW ADHESIVE HAS COMPLETELY DISCONNECTED FROM THE HINGE AND THE WINDOW DOES NOT CLOSE PROPERLY AND HAS A POSSIBILITY OF COMPLETELY FALLING OFF. WHEN THE ENTIRE REAR DOOR IS OPENED NOW THE HINGE 'POPS' UP AND HITS THE GLASS. THE DEALERSHIP IS TRYING TO FIND AN APPROPRIATE ADHESIVE TO MEND THIS PROBLEM AND THEY SAY CHEVY WILL NOT PAY FOR ANOTHER GLASS REPLACEMENT. THE FIRST REPLACEMENT CAME FROM THE FACTORY WITH THE HINGE CONNECTED TO THE GLASS. THIS SEEMS LIKE A FACTORY DEFECT. I KNOW THERE ARE OTHER CHEVY VEHICLES OF DIFFERENT YEARS THAT HAVE EXPERIENCED THIS PROBLEM AND WORSE WHEN THE DOORS DID FALL OFF OR THE GLASS SCATTERED DUE TO THE POOR ADHESIVE ON THE HINGE. THIS WILL COST OVER $800 TO REPLACE IF THIS CANNOT BE RESOLVED AND THERE IS NO GUARANTEE THE ADHESIVE ON THE NEW GLASS WILL HOLD AND I WILL HAVE NO RECOURSE. *TR
NHTSA ODI #10356623
93,800 miles · Jun 3, 2010
EquipmentFuel System, GasolineInterior Lighting
CHEVY TRAILBAZER 05... GAS GAUGE KEEPS MOVING FROM LOW TO EMPTY BACK TO FULL,SOMETIMES IT STAYS AT EMPTY. CHECK ENGINE LIGHT STAYS ON. FUEL SENDING UNIT KEEPS FAILING. UNIT WAS REPLACED IN 2007 AT DEALERSHIP. SENDING UNIT HAS GONE BAD AGAIN. VERY EXPENSIVE LABOR NEEDED TO FIX THIS. WHEN I FIXED THE FIRST TIME I HAD WARRANTY NOW…
Read full complaint
CHEVY TRAILBAZER 05... GAS GAUGE KEEPS MOVING FROM LOW TO EMPTY BACK TO FULL,SOMETIMES IT STAYS AT EMPTY. CHECK ENGINE LIGHT STAYS ON. FUEL SENDING UNIT KEEPS FAILING. UNIT WAS REPLACED IN 2007 AT DEALERSHIP. SENDING UNIT HAS GONE BAD AGAIN. VERY EXPENSIVE LABOR NEEDED TO FIX THIS. WHEN I FIXED THE FIRST TIME I HAD WARRANTY NOW IT HAS EXPIRED. I CHECKED ONLINE AND IT SEEMS LIKE EVERYONE WITH A CHEVY TRAILBLAZER IS HAVING THE SAME PROBLEM ALSO MY..TO MY KNOWLEDGE THIS IS A COMPLETELY DEFECT OF THE CAR. MY MAJOR FEAR IS TO RUN OUT OF GAS ON THE HIGHWAY AND MY CAR TO STALL. LEADING TO AN ACCIDENT.....ALSO THE INSTRUMENT PANEL LIGHT KEEP GETTING DARKER..SOMETIMES SEVERAL LIGHTS COME ON. *TR
NHTSA ODI #10334518
45,000 miles · Feb 7, 2010
Equipment
I HAVE A 2005 CHEVY TRAILBLAZER LT AND LIVE IN BIRMINGHAM, AL. ON MY WAY HOME FROM CHURCH ON A SUNDAY MORNING, I ENCOUNTERED A SEVERE ISSUE WITH MY SPEEDOMETER. AS I WAS DRIVING UP ON A POLICE OFFICER I LOOKED AT MY SPEEDOMETER, WHICH SAID I WAS DOING 70 SO I BEGAN SLOWING DOWN BUT MY SPEEDOMETER DIDN'T - IT CONTINUED TO GO U…
Read full complaint
I HAVE A 2005 CHEVY TRAILBLAZER LT AND LIVE IN BIRMINGHAM, AL. ON MY WAY HOME FROM CHURCH ON A SUNDAY MORNING, I ENCOUNTERED A SEVERE ISSUE WITH MY SPEEDOMETER. AS I WAS DRIVING UP ON A POLICE OFFICER I LOOKED AT MY SPEEDOMETER, WHICH SAID I WAS DOING 70 SO I BEGAN SLOWING DOWN BUT MY SPEEDOMETER DIDN'T - IT CONTINUED TO GO UP. I STARTED HITTING MY BRAKES THINKING THAT WOULD MAKE THE SPEEDOMETER GO BACK DOWN BUT IT DIDN'T. AS I PULLED OFF THE INTERSTATE AND STOPPED AT A RED LIGHT, THE SPEEDOMETER KEPT GOING UP TO 110 MPH. THEN AS THE LIGHT TURNED GREEN, I STARTED AGAIN AND THE SPEEDOMETER WENT STRAIGHT TO THE BOTTOM FACING THE FLOOR. I THOUGHT WHEN I GET HOME AND TURN THE CAR OFF, THE SPEEDOMETER WOULD RESET ITSELF. WELL ... IT DIDN'T!! I DON'T KNOW WHAT I'M GOING TO DO NOW! THE ECONOMY IS SO !@#$% BAD THAT I'M IN THE MIDDLE OF A FORECLOSURE AND NOW THIS CRAP HAPPENS! GM SHOULD RECALL THIS FAULTY ISSUES AS IT IS A DANGEROUS SITUATION. IF YOU DON'T KNOW HOW FAST YOU ARE GOING ... HOW THE !@#$% DO YOU DRIVE WITHOUT A SPEEDOMETER UNLESS YOU ARE LOOKING TO GET IN TROUBLE BY THE LAW!! *TW
NHTSA ODI #10307245
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.