NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
1,466 reports90,100 miles · Apr 21, 2014
Electrical System
TACHOMETER AND SPEEDOMETER BEGAN ACTING ERRATICALLY. SPEEDOMETER NOW ACTING PROPERLY BUT TACH HAS NEVER FUNCTIONED CORRECTLY SINCE. RESEARCHING ONLINE I HAVE DISCOVERED THAT THERE ARE LITERALLY THOUSANDS OF THESE INSTRUMENT CLUSTER UNITS THAT ARE FAILING AND EVENTUALLY ADDITIONAL INSTRUMENTS WITHIN THE CLUSTER ARE LIKELY TO BREA…
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TACHOMETER AND SPEEDOMETER BEGAN ACTING ERRATICALLY. SPEEDOMETER NOW ACTING PROPERLY BUT TACH HAS NEVER FUNCTIONED CORRECTLY SINCE. RESEARCHING ONLINE I HAVE DISCOVERED THAT THERE ARE LITERALLY THOUSANDS OF THESE INSTRUMENT CLUSTER UNITS THAT ARE FAILING AND EVENTUALLY ADDITIONAL INSTRUMENTS WITHIN THE CLUSTER ARE LIKELY TO BREAK. IN FACT, A CLASS ACTION SUIT FORCED GENERAL MOTORS TO RECALL/REPLACE THE INSTRUMENT CLUSTERS ON SILVERADO PICKUPS FOR SIMILAR PROBLEMS. WHEN I CONTACTED GM ABOUT WORKING WITH ME TO REPLACE THE FAILING CLUSTER AND THEY TOLD ME THERE WERE NO RECALLS AND TO BASICALLY "POUND SAND." WITH SO MANY DOCUMENTED INSTANCES OF FAILURE AND GM'S NOW DOCUMENTED HISTORY OF AVOID RECALLS EVEN AT THE COST OF HUMAN LIFE I BELIEVE IT IS TIME FOR THE NHTSA TO STEP UP AND BRING PRESSURE ON GM TO RESOLVE THIS ISSUE AFFECTING THOUSANDS OF OWNERS WHO HAVE BEEN REBUFFED IN THEIR EFFORTS TO HAVE THE AUTOMAKER ACCEPT ITS PROPER RESPONSIBILITY FOR USING INADEQUATE OR FAULTY MATERIALS. *TR
NHTSA ODI #10583863
145,000 miles · Apr 5, 2014
Electrical System
SINCE I GOT THE VEHICLE APPROX 5 YEARS AGO I BEGAN HAVING ISSUES ABOUT A YEAR LATER. IT STARTED WITH MY SPEED ODOMETER GAUGE STOPPED WORKING THEN OVER THAT FOLLOWING YEAR EVENTUALLY ALL THE GAUGES STOPPED FUNCTIONING. LITTLE DID I KNOW THAT THIS WAS THE BEGINNING OF MY ISSUES WITH THE VEHICLE. MY BREAK LIGHTS WILL WORK OFF AND O…
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SINCE I GOT THE VEHICLE APPROX 5 YEARS AGO I BEGAN HAVING ISSUES ABOUT A YEAR LATER. IT STARTED WITH MY SPEED ODOMETER GAUGE STOPPED WORKING THEN OVER THAT FOLLOWING YEAR EVENTUALLY ALL THE GAUGES STOPPED FUNCTIONING. LITTLE DID I KNOW THAT THIS WAS THE BEGINNING OF MY ISSUES WITH THE VEHICLE. MY BREAK LIGHTS WILL WORK OFF AND ON, MY DRIVER SIDE WINDOWS WORKS OFF AND ON, MY BLOWER STOPS WORKING WHEN EVER IT FEELS, A DIAGNOSTIC TEST SHOWED MY THROTTLE ON HAS PEDAL NEVER CLOSES SO I AVERAGE 9 MILES PER GALLON IN GAS MILEAGE, THE INTERIOR LIGHTS DECIDE WHEN TO WORK AND NOT, AND THE LOCKS ON THEIR ON CAUSING ME TO GET LOCKED OUT OF MY CAR AT TIMES. THIS TO ME IS CLEARLY A ELECTRICAL ISSUE AND HAVE SPOKE TO GM BECAUSE I CAN'T EVEN TRADE THE VEHICLE IN TO GET A SAFER VEHICLE BECAUSE NO ONE WANTS IT. EITHER WAY I WORRY OF THE SAFETY FOR ANYONE IN THIS VEHICLES AND THEY NEED TO BE TAKEN OFF THE STREETS. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10577627
150,000 miles · Apr 1, 2014
Electrical SystemFuel/propulsion System
WHILE SITTING AT A STOP LIGHT, THE FUEL GAUGE STOPPED WORKING. THE GAUGE WENT ALL THE WAY DOWN TO "E" AND THE LOW FUEL LEVEL INDICATOR APPEARED ON THE DISPLAY. NOW WHEN I FILL UP THE TANK, THE GAUGE READS EMPTY AND AFTER I DRIVE ABOUT 20-30 MILES IT WILL MOVE UP TO ABOUT 1/4 TANK BUT NO HIGHER AND SOMETIMES IT WILL STILL MOVE B…
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WHILE SITTING AT A STOP LIGHT, THE FUEL GAUGE STOPPED WORKING. THE GAUGE WENT ALL THE WAY DOWN TO "E" AND THE LOW FUEL LEVEL INDICATOR APPEARED ON THE DISPLAY. NOW WHEN I FILL UP THE TANK, THE GAUGE READS EMPTY AND AFTER I DRIVE ABOUT 20-30 MILES IT WILL MOVE UP TO ABOUT 1/4 TANK BUT NO HIGHER AND SOMETIMES IT WILL STILL MOVE BACK TO EMPTY THAT SLOWLY MOVE BACK UP. ALSO SOMETIMES THE OIL PRESSURE INDICATOR WILL DROP ALL THE WAY DOWN WHILE IDLING OR IN PARK AND THE LOW PRESSURE INDICATOR WILL APPEAR, BUT AS SOON AS THE GAS IS PRESSED, THE PRESSURE WILL GO BACK TO NORMAL. ALSO, ABOUT 1 1/2 YEARS AGO, THE KEYLESS ENTRY/ALARM/BACK LIFTGATE LOCK AND LICENSE PLATE LIGHT ALL STOPPED WORKING SIMULTANEOUSLY. I WAS TOLD THAT IT IS PROBABLY A GROUNDING WIRE ISSUE BUT NOT DEFINITIVE. NOW MY LIFTGATE WILL NOT LOCK AT ALL. *TR
NHTSA ODI #10576361
106,200 miles · Apr 1, 2014
EngineSteeringVehicle Speed Control
WE WERE DRIVING AT ABOUT 55 (WE DON'T KNOW EXACT SPEED AS OUR CONTROL PANEL IS NOT WORKING) AND THE STEERING WENT OUT. IT WAS HARD PULLING TO THE RIGHT AND A FEW TIMES WE COULD NOT CONTROL IT AND WENT OFF THE ROAD. WE HAD ANOTHER INCIDENT LIKE THAT WHEN WE WERE DRIVING IN THE SNOW. WHEN WE PURCHASED THE CAR WE HAD A FUEL ISSU…
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WE WERE DRIVING AT ABOUT 55 (WE DON'T KNOW EXACT SPEED AS OUR CONTROL PANEL IS NOT WORKING) AND THE STEERING WENT OUT. IT WAS HARD PULLING TO THE RIGHT AND A FEW TIMES WE COULD NOT CONTROL IT AND WENT OFF THE ROAD. WE HAD ANOTHER INCIDENT LIKE THAT WHEN WE WERE DRIVING IN THE SNOW. WHEN WE PURCHASED THE CAR WE HAD A FUEL ISSUE THAT COVERED UNDER A RECALL.... NOW OUR WHOLE PANEL IS OUT. WE DON'T KNOW THE SPEED WE ARE GOING, THE OIL LIGHT AND ENGINE LIGHT ARE ALWAYS ON. WE TAKE CARE OF OUR CAR SO WE KNOW ITS NOT LOW ON ANYTHING. *TR
NHTSA ODI #10576118
111,416 miles · Mar 31, 2014
EngineFuel System, GasolineVehicle Speed Control
PROBLEMS WITH MY 2005 CHEVY TRAILBLAZER STARTED WITH A SERIES OF ENGINE LIGHTS, MISFIRING AND STALLING AT LOW SPEEDS AND UPON ACCELERATION. MY THERMOSTAT HAS BEEN REPLACED NUMEROUS AMOUNT OF TIMES . I DO PREVENTATIVE MAINTENANCE TO KEEP MY CAR IN GOOD WORKING CONDITION. I'M A SINGLE PARENT I NEED MY CAR. MY ENTIRE DASHBOARD S…
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PROBLEMS WITH MY 2005 CHEVY TRAILBLAZER STARTED WITH A SERIES OF ENGINE LIGHTS, MISFIRING AND STALLING AT LOW SPEEDS AND UPON ACCELERATION. MY THERMOSTAT HAS BEEN REPLACED NUMEROUS AMOUNT OF TIMES . I DO PREVENTATIVE MAINTENANCE TO KEEP MY CAR IN GOOD WORKING CONDITION. I'M A SINGLE PARENT I NEED MY CAR. MY ENTIRE DASHBOARD STOPPED WORKING AFTER GETTING STUCK ON AND OFF. THE FUEL GAUGE WAS LAST TO GO 3 DAYS AGO. I FILL UP MY TANK IT STILL READS EMPTY WITH THE LIGHT. MY TAILGATE DOOR THE LATCH LOCKS UP. I MANUALLY HAVE TO MOVE TO LATCH SO IT CLOSES. MY DOORS STICKING WHEN THE CAR IS UNLOCKED AND IT HARD TO GET OUT THE LOCKS DON'T UNLATCH THE FIRST TIME. MY CAR IS VERY NICE UNTIL U GET IN IT TO SEE EVERYTHING IS MALFUNCTIONING. I GUESS MY SPEED, GAS LEVEL AND THAT'S NOT COOL. I BEEN GOING THROUGH THESE SAME PROBLEMS SINCE 2011 AND IT'S 2014. THE FUEL GAUGE WAS THE LAST TO GO RECENTLY. WHEN I FILL UP MY TANK IT STILL READS EMPTY WITH THE INDICATOR LIGHT. MY REPAIR WAS $565 WE THOUGHT IT WAS EXHAUST LEAK AND HAD TO REPLACE THE ENTIRE MANIFOLD IT WAS CRACKED... I ABSOLUTELY CAN'T AFFORD ANYTHING ELSE AND I NEED TIRES.PLEASE HELP I'M FURIOUS. . WHEN YOU PURCHASE A VEHICLE YOU EXPECT IT TO LAST. THAT DOESN'T. MY MECHANICS HAVE BEEN THE SAME SINCE DAY ONE AND HAVE GIVEN ME EVERY DISCOUNT AND WARRANTY . I WANT MY VEHICLE REPAIRED I CAN'T PHYSICALLY CAUSE THIS TYPE OF DAMAGE . IT'S INTERNAL AND NOT MY FAULT. I HAVE NEVER HAD A CAR WITH THIS TEMPERAMENT . I HAVE HAD 4 CARS PREVIOUS TO THIS ONE AND THEY LASTED THROUGH THE YEARS UNTIL I DECIDED TO CHANGE CARS. EVERYONE HAS THE SAME PROBLEMS WITH THEIR VEHICLE AS I DO . HOW IS THAT POSSIBLE? MANUFACTURERS SHOULD VALUE QUALITY NOT QUANTITY. I HAVE EVERY SINGLE DOCUMENT TO VERIFY THIS AS WELL AS MY MECHANICS. I WOULD LIKE MY VEHICLE REPAIRED AND TO BE REIMBURSED. *TR
NHTSA ODI #10575963
95,000 miles · Mar 30, 2014
Electrical System
WHILE TRAVELING WE NOTICED THE WE WERE BEING PASSED EXCESSIVELY, WE LOOKED AT THE SPEEDOMETER AND SAW THAT WE WERE DOING SLIGHTLY ABOVE THE SPEED LIMIT. OUT OF CURIOSITY WE CHECKED OUR SPEED AGAINST OUR GPS / SMART PHONE AND SAW THAT WE WERE DOING 30 MPH UNDER THE SPEED BEING REPORTED BY OUR SPEEDOMETER. AFTER SEARCHING ON THE…
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WHILE TRAVELING WE NOTICED THE WE WERE BEING PASSED EXCESSIVELY, WE LOOKED AT THE SPEEDOMETER AND SAW THAT WE WERE DOING SLIGHTLY ABOVE THE SPEED LIMIT. OUT OF CURIOSITY WE CHECKED OUR SPEED AGAINST OUR GPS / SMART PHONE AND SAW THAT WE WERE DOING 30 MPH UNDER THE SPEED BEING REPORTED BY OUR SPEEDOMETER. AFTER SEARCHING ON THE INTERNET WE FOUND THAT 100'S IF NOT 1000'S ARE HAVING THE SAME ISSUE OR EVEN SOMETIMES IN REVERSE WHERE IT STATES THAT THEY ARE DOING 120 MPH WHEN THEY ARE ONLY DOING A FRACTION OF THAT. IN ADDITION WE HAVE FOUND THAT THERE HAS BEEN A RECALL ON THIS SAME PART ON OTHER GM VEHICLES FOR THE EXACT SAME REASON BUT THE TRAILBLAZER WAS EXCLUDED FOR WHATEVER REASON. HOW CAN NOT KNOWING HOW FAST YOUR ACTUALLY GOING NOT BE A MAJOR HAZARD ESPECIALLY WITH A PROVEN HISTORY OF FAILURES. *TR
NHTSA ODI #10575700
Mileage unknown · Mar 25, 2014
Electrical SystemExterior Lighting
DASH LIGHTS COME ON ALL THE TIME .HAD IT IN TO LOCAL DEALER .WE HAVE TOOK IT IN ALL THE TIME THEY HAVE REPLACE EVERYTHING THEY COULD TO FIND PROBLEM.STILL DIDN'T FIX IT. WARRANTED RUN OUT.EVEN TOOK IN AND PD FOR OURSELVES STILL NOT FIXED LIGHTS COME ON NOW AND STAY ON.CAN'T KEEP TAKING IN DON'T HAVE MONEY TO TAKE IN. *TR
NHTSA ODI #10574771
100,000 miles · Mar 24, 2014
Electrical SystemVisibility
STARTING UP MY CAR LAST WEDNESDAY MORNING,I WENT TO ROLL MY WINDOW DOWN ON THE DRIVERS SIDE AND THERE WAS A HESITATION THEN IT STOPPED AND I SMELLED SOMETHING BURNING.FROM THAT POINT FORWARD I WAS NO LONGER ABLE TO ROLL MY WINDOW DOWN OR UP AND LOST ALL FUNCTIONS FROM THAT CONTACT PAD....IN LOOKING THRU THE VARIES RECALLS FOR TH…
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STARTING UP MY CAR LAST WEDNESDAY MORNING,I WENT TO ROLL MY WINDOW DOWN ON THE DRIVERS SIDE AND THERE WAS A HESITATION THEN IT STOPPED AND I SMELLED SOMETHING BURNING.FROM THAT POINT FORWARD I WAS NO LONGER ABLE TO ROLL MY WINDOW DOWN OR UP AND LOST ALL FUNCTIONS FROM THAT CONTACT PAD....IN LOOKING THRU THE VARIES RECALLS FOR THIS VEHICLE I NOTICED THE RECALL FOR THE DRIVERS DOOR MODULE IN 2006,2007. IF THIS RECALL INITIATED WITH THE 2005 TRAILBLAZER IN 08/12, WHY IS THIS MODEL NOT INCLUDED IN THE RECALL???? WHY WILL I HAVE TO PAY THE $400 IN REPAIRS SOMEHOW THIS DOESN'T SEEM ETHICAL. ESPECIALLY IF YOU KNEW THIS WAS HAPPENING IN THE 2005 CHEVY TRAILBLAZER...I AM SURE I AM PREACHING TO THE CHOIR BUT MAYBE YOU CAN PROVIDE ME WITH INCITE AS TO THE LOGIC!!!!!!!! *TR
NHTSA ODI #10574426
40 miles · Mar 20, 2014
Air BagsEngineCrashInjury
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE TRAVELING APPROXIMATELY 40 MPH, THE VEHICLE SUDDENLY STALLED AND VEERED INTO ONCOMING TRAFFIC. THE DRIVER CRASHED INTO ANOTHER VEHICLE AND THE AIR BAGS FAILED TO DEPLOY UPON IMPACT. THE DRIVER SUSTAINED FACE, BACK, AND NECK INJURIES. THE DRIVER OF T…
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TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE TRAVELING APPROXIMATELY 40 MPH, THE VEHICLE SUDDENLY STALLED AND VEERED INTO ONCOMING TRAFFIC. THE DRIVER CRASHED INTO ANOTHER VEHICLE AND THE AIR BAGS FAILED TO DEPLOY UPON IMPACT. THE DRIVER SUSTAINED FACE, BACK, AND NECK INJURIES. THE DRIVER OF THE SECOND VEHICLE WAS NOT INJURED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT CONTACTED ABOUT THE FAILURE. THE VEHICLE WAS NOT DIAGNOSED. THE FAILURE MILEAGE AND VIN WAS NOT AVAILABLE.
NHTSA ODI #10573732
50,000 miles · Mar 17, 2014
Electrical SystemFuel System, Gasoline
MULTIPLE GAUGES ON THE INSTRUMENT PANEL STOPPED WORKING. THEY INCLUDE: FUEL GAUGE, SPEEDOMETER, VOLTMETER, AND TACHOMETER. THE FIRST TO GO OUT WAS THE FUEL GAUGE. THEN SPEEDOMETER, FOLLOWED BY THE VOLTMETER AND THE TACHOMETER ABOUT THE SAME TIME. CHEVY HAS FIXED THE FUEL GAUGE ISSUE BY RECALL. BUT HAS NOT ADDRESSED THE OTHER GA…
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MULTIPLE GAUGES ON THE INSTRUMENT PANEL STOPPED WORKING. THEY INCLUDE: FUEL GAUGE, SPEEDOMETER, VOLTMETER, AND TACHOMETER. THE FIRST TO GO OUT WAS THE FUEL GAUGE. THEN SPEEDOMETER, FOLLOWED BY THE VOLTMETER AND THE TACHOMETER ABOUT THE SAME TIME. CHEVY HAS FIXED THE FUEL GAUGE ISSUE BY RECALL. BUT HAS NOT ADDRESSED THE OTHER GAUGES ON THE INSTRUMENT PANEL. *TR
NHTSA ODI #10572850
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.