NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
183 reportsClear category filter53,000 miles · Feb 5, 2010
Electrical SystemFuel System, GasolineVehicle Speed Control
THE GAS GAUGE STOPPED WORKING AND SHOWS THAT THE VEHICLE IS ON EMPTY. THE "LOW FUEL' INDICATOR ON THE DASH WILL BLINK RANDOMLY AND "DING" TO DRAW MY ATTENTION TO IT. THE GAS CAP WAS REPLACED A WEEK LATER BUT THE PROBLEM HAS NOT BEEN RESOLVED. IT CONTINUES TO READ "EMPTY." SINCE THEN THE SPEEDOMETER HAS ALSO STOPPED WORKING…
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THE GAS GAUGE STOPPED WORKING AND SHOWS THAT THE VEHICLE IS ON EMPTY. THE "LOW FUEL' INDICATOR ON THE DASH WILL BLINK RANDOMLY AND "DING" TO DRAW MY ATTENTION TO IT. THE GAS CAP WAS REPLACED A WEEK LATER BUT THE PROBLEM HAS NOT BEEN RESOLVED. IT CONTINUES TO READ "EMPTY." SINCE THEN THE SPEEDOMETER HAS ALSO STOPPED WORKING. THE SPEEDOMETER HAND HAS COMPLETELY DROPPED BELOW THE 120 MPH MARK, ALTHOUGH FOR A FEW WEEKS IT WOULD REGISTER THAT I WAS DRIVING MUCH FASTER THAN THE SPEED OF TRAFFIC AROUND ME. MOREOVER, IT WOULD REGISTER 30 MPH WHEN THE VEHICLE WAS COMPLETELY STOPPED. YET, IT HAS SINCE STOPPED WORKING ALTOGETHER. THE VEHICLE HAS ALSO RECENTLY STALLED IN REVERSE AND SEVERAL TIMES HAS SURGED/ACCELERATED QUICKLY WHEN I AM DRIVING SLOWLY AND PUSH THE GAS PEDAL TO ACCELERATE. I HAVE AN APPOINTMENT WITH THE LOCAL GMC DEALERSHIP AND HAVE CALLED THE NATIONAL GMC DEALER TO DOCUMENT MY COMPLAINT(S). *TR
NHTSA ODI #10306585
28,000 miles · Jan 22, 2010
Electrical SystemExterior Lighting
TL*THE CONTACT OWNS A 2005 GMC ENVOY. HE STATED THAT THE HEADLIGHTS, DASHBOARD LIGHTS AND REAR LIGHTS SHUT OFF WHILE DRIVING APPROXIMATELY 35 MPH OR VARIOUS SPEEDS. THE HIGH BEAMS IMMEDIATELY ACTIVATE WHEN THE HEADLIGHTS SHUT OFF WHICH DISTRACTS DRIVERS. THE FAILURE MILEAGE WAS 28000 AND THE CURRENT MILEAGE WAS 58000.
NHTSA ODI #10301875
60,500 miles · Jan 18, 2010
Electrical System
SPEEDOMETER FAILED. IT NOW EITHER DISPLAYS NO SPEED OR AN INACCURATE READING. *TR
NHTSA ODI #10300123
Mileage unknown · Jan 17, 2010
Electrical System
I OWN A 2005 GMC ENVOY AND THE SPEEDOMETER STOPPED WORKING ABOUT 3 WEEKS AGO. I TOOK IT TO THE DEALERSHIP FOR REPAIR AND WAS ADVISED THAT THEY DID NOT KNOW WHAT THE ISSUE WAS BUT SINCE THEY HAD REMOVED THE BATTERY AND RE-CONNECTED IT THAT THE SPEEDOMETER SHOULD WORK CORRECTLY. I WORKED CORRECTLY FOR 2 DAYS. *TR
NHTSA ODI #10300093
42,000 miles · Jan 15, 2010
Electrical SystemFuel System, Gasoline
2005 GMC ENVOY GAS GAUGE DOES NOT WORK. CAR HAD 42000 MILES WHEN IT QUIT. CAR NOW HAS 50200 MILES ON IT. GAS GAUGE READS EMPTY AND SOMETIMES WILL FLOAT JUST ABOVE EMPTY EVEN WITH A FULL TANK OF GAS. CAR HAS LEFT FAMILY ALONG SIDE ROAD WHILE WAITING FOR HELP. SHOULD BE A RECALL AS THERE IS THOUSANDS OF COMPLAINTS ON THIS ISSUE. *…
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2005 GMC ENVOY GAS GAUGE DOES NOT WORK. CAR HAD 42000 MILES WHEN IT QUIT. CAR NOW HAS 50200 MILES ON IT. GAS GAUGE READS EMPTY AND SOMETIMES WILL FLOAT JUST ABOVE EMPTY EVEN WITH A FULL TANK OF GAS. CAR HAS LEFT FAMILY ALONG SIDE ROAD WHILE WAITING FOR HELP. SHOULD BE A RECALL AS THERE IS THOUSANDS OF COMPLAINTS ON THIS ISSUE. *TR UPDATED 02/01/10 *BF UPDATED 02/02/10.*JB
NHTSA ODI #10299907
95,000 miles · Dec 28, 2009
Electrical System
THE SPEEDOMETER CONSTANTLY SHOWS DIFFERENT SPEEDS. WILL BE DRIVING DOWN EXPRESSWAY AT 65MPH AND NEXT THING YOU KNOW IT SHOWS 90MPH SO YOU SLOW DOWN 65 AGAIN AND REALIZE THAT EVERYONE FLIES BY. THE BEST I CAN FIGURE IS IT WILL SUDDENLY SHOW A DIFFERENT SPEED THAN ONE IS ACTUALLY GOING FROM 20MPH LESS TO 40MPH MORE. DIFFERENT EVE…
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THE SPEEDOMETER CONSTANTLY SHOWS DIFFERENT SPEEDS. WILL BE DRIVING DOWN EXPRESSWAY AT 65MPH AND NEXT THING YOU KNOW IT SHOWS 90MPH SO YOU SLOW DOWN 65 AGAIN AND REALIZE THAT EVERYONE FLIES BY. THE BEST I CAN FIGURE IS IT WILL SUDDENLY SHOW A DIFFERENT SPEED THAN ONE IS ACTUALLY GOING FROM 20MPH LESS TO 40MPH MORE. DIFFERENT EVERY TIME. *TR
NHTSA ODI #10297218
52,000 miles · Dec 16, 2009
Electrical System
THERE WAS IGNITION SWITCH FAILURE WHILE DRIVING THE VEHICLE. THE POWER STEERING AND BRAKES GAVE OUT, THE ENGINE SHUT OFF, AND ALL THE LIGHTS ON THE DASH CAME ON. IT RESEMBLED THE CAR RUNNING OUT OF GAS WITHOUT DOING SO. AFTER I PULLED OFF THE ROAD WITH GREAT DIFFICULTIES, I PUT THE CAR IN PARK AND THE VEHICLE GOT STUCK IN IT. TH…
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THERE WAS IGNITION SWITCH FAILURE WHILE DRIVING THE VEHICLE. THE POWER STEERING AND BRAKES GAVE OUT, THE ENGINE SHUT OFF, AND ALL THE LIGHTS ON THE DASH CAME ON. IT RESEMBLED THE CAR RUNNING OUT OF GAS WITHOUT DOING SO. AFTER I PULLED OFF THE ROAD WITH GREAT DIFFICULTIES, I PUT THE CAR IN PARK AND THE VEHICLE GOT STUCK IN IT. THE ENGINE WOULD NOT TURN OVER AFTER THIS OCCURRED AND NEEDED TO BE TOWED. THERE IS NO RELEASE SWITCH WHICH THE TOW TRUCK DRIVER SAID THERE SHOULD BE SO HE COULD GET IT ONTO THE TRUCK, SO THE VEHICLE HAS TO BE DRUG WITH THE WHEELS LOCKED ONTO THE FLATBED AND THEN PUSHED OFF IN THE SAME MANNER. WE PAID TO HAVE IT FIXED AND IT HAS NOW HAPPENED AGAIN 5 MONTHS LATER. THERE ARE MANY REPORTS OF THIS ONLINE AND IT IS NOT JUST WITH THE GMC ENVOY DENALI IT ALSO INCLUDES THE CHEVY TRAILBLAZER AND POSSIBLY OTHER VEHICLES MANUFACTURED BY GM. THERE WAS ONE PERSON ONLINE THAT SAID THEY KEEP SPARE IGNITION SWITCHES IN THE VEHICLE AND THE TOOLS TO SWAP IT OUT BECAUSE OF HOW FREQUENTLY IT HAPPENS. THE DEALERSHIP REPLACED THE PART AND IT IS NOT AVAILABLE AS FAR AS I KNOW, BECAUSE IT WAS NOT RETURNED TO ME. THE VEHICLE WAS A 2005 GMC ENVOY DENALI. *TR
NHTSA ODI #10296117
51,000 miles · Nov 2, 2009
Electrical System
2005 GMC SPEEDOMETER FAILURE. STOPS WORKING AND GETS STUCK ON THE 120MILES POINT EVEN WHEN THE CAR IS OFF AND NOT JUST DRIVING. OCCURS AFTER ABOUT A FEW MINUTES OF DRIVING AND, AFTER ONLINE AND OFFLINE RESEARCH, IT TURNS OUT A LOT OF PEOPLE HAVE THESE PROBLEM WITH SOME GMC TRUCKS, ESPECIALLY THE GMC ENVOYS MODELS. AND GM IS …
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2005 GMC SPEEDOMETER FAILURE. STOPS WORKING AND GETS STUCK ON THE 120MILES POINT EVEN WHEN THE CAR IS OFF AND NOT JUST DRIVING. OCCURS AFTER ABOUT A FEW MINUTES OF DRIVING AND, AFTER ONLINE AND OFFLINE RESEARCH, IT TURNS OUT A LOT OF PEOPLE HAVE THESE PROBLEM WITH SOME GMC TRUCKS, ESPECIALLY THE GMC ENVOYS MODELS. AND GM IS NOT DOING ANYTHING OR REFUSING TO FIX IT SINCE IT IS A MANUFACTURERS DEFAULT. THERE HASN'T BEEN ANY RECALLS TO ADDRESS THIS ISSUE AND THERE ARE EVEN LAWSUITS IN SOME STATES ABOUT THIS. MY TRUCK IS NOT EVEN OLD ONLY 52,000 MILES AND I DON'T DRIVE A LOT JUST TO WORK AND HOME. *TR
NHTSA ODI #10290549
75,000 miles · Aug 17, 2009
Electrical System
2005 GMC ENVOY INSTRUMENT CLUSTER DEFECTIVE SPEEDOMETER MALFUNCTIONING. *TR
NHTSA ODI #10280705
40,000 miles · Jul 6, 2009
Electrical System
THE SPEEDOMETER ON MY 2005 GMC ENVOY XL STARTED ACTING ERRATICALLY AND AT ANY TIME CAN SHOW THAT I'M DOING 70 WHEN I AM STOPPED, BE PEGGED, OR SOMETIMES IT WORKS. I HAVE TO USE MY GPS TO DETERMINE MY SPEED. I TOOK IT TO A GM DEALER TO SEE IF THERE WAS A RECALL REGARDING THIS ISSUE BECAUSE I HAD HEARD THAT THERE WAS FOR VEHICLE…
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THE SPEEDOMETER ON MY 2005 GMC ENVOY XL STARTED ACTING ERRATICALLY AND AT ANY TIME CAN SHOW THAT I'M DOING 70 WHEN I AM STOPPED, BE PEGGED, OR SOMETIMES IT WORKS. I HAVE TO USE MY GPS TO DETERMINE MY SPEED. I TOOK IT TO A GM DEALER TO SEE IF THERE WAS A RECALL REGARDING THIS ISSUE BECAUSE I HAD HEARD THAT THERE WAS FOR VEHICLES UP TO 7 YEARS OLD OR UP TO 70,000 MILES. THE DEALER TOLD ME THERE WERE NO RECALLS FOR THE VEHICLE AND THAT IT WOULD COST $400 TO REPLACE THE ENTIRE GAUGE CLUSTER. *TR
NHTSA ODI #10275910
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.