NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
79 reportsClear category filter65,000 miles · Jan 28, 2011
Electrical System
THE SPEEDOMETER IN MY 2004 GMC ENVOY IS MALFUNCTIONING, THIS PROBLEM IS WELL DOCUMENTED BY MANY ENVOY/GMC OWNERS. SYMPTOMS ARE INDICATION OF MOVEMENT WHEN THE VEHICLE IS STOPPED, ANY WHERE UP TO MAXIMUM SPEEDOMETER INDICATION. AT TIMES THE SPEEDOMETER WILL STAY AT 0 WHEN THE VEHICLE IS MOVING. SUBMITTED A SERVICE REQUEST TO G…
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THE SPEEDOMETER IN MY 2004 GMC ENVOY IS MALFUNCTIONING, THIS PROBLEM IS WELL DOCUMENTED BY MANY ENVOY/GMC OWNERS. SYMPTOMS ARE INDICATION OF MOVEMENT WHEN THE VEHICLE IS STOPPED, ANY WHERE UP TO MAXIMUM SPEEDOMETER INDICATION. AT TIMES THE SPEEDOMETER WILL STAY AT 0 WHEN THE VEHICLE IS MOVING. SUBMITTED A SERVICE REQUEST TO GM BUT WAS DENIED ANY ASSISTANCE. *TR
NHTSA ODI #10379471
103,000 miles · Jan 6, 2011
Electrical SystemFuel System, OtherPower Train
SPEEDOMETER DON'T WORK,GAS GAUGE DON'T WORK, TRANSMISSION IS GOING OUT ETC AND I ONLY HAD THE VEHICLE FOR 9 MONTHS NOW BUT THE PROBLEMS HAVE BEEN FOR ALONG TIME. *TR
NHTSA ODI #10375025
47,800 miles · Jan 4, 2011
Electrical SystemFuel System, GasolineVisibility
I HAD A 2004 GMC ENVOY XUV AND HAD SEVERAL THINGS GOING WRONG. THE SPEEDOMETER WAS RADICAL, SOME DAYS IT WOULD WORK AND OTHER DAYS NOT. THE BACK WINDOW OF THE VEHICLE WOULD BE DOWN FOR NO REASON AT ALL WHEN I WAS NOT EVEN IN OR NEAR THE CAR. THE ENGINE LIGHT WOULD COME ON AND GO OFF. LIKE A FOOL I JUST PURCHASED A USED 2004…
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I HAD A 2004 GMC ENVOY XUV AND HAD SEVERAL THINGS GOING WRONG. THE SPEEDOMETER WAS RADICAL, SOME DAYS IT WOULD WORK AND OTHER DAYS NOT. THE BACK WINDOW OF THE VEHICLE WOULD BE DOWN FOR NO REASON AT ALL WHEN I WAS NOT EVEN IN OR NEAR THE CAR. THE ENGINE LIGHT WOULD COME ON AND GO OFF. LIKE A FOOL I JUST PURCHASED A USED 2004 GMC ENVOY XUV, ONLY OWNED IT 2 DAYS AND SMELLED GAS. LOOKED UNDER THE VEHICLE AND THE ENTIRE REAR OF THE UNDERSIDE OF IT WAS COVERED IN GASOLINE. THERE WAS A SMALL PUDDLE ON THE GARAGE FLOOR. TOOK THE VEHICLE BACK TO THE DEALER AND THEY TOOK OUT THE GAS TANK AND THERE IS A LEAK IN THE FILLER NECK. STILL WAITING TO GET THE CAR BACK, CAN'T FIND PARTS. THIS WILL BE MY LAST ENVOY. *TR
NHTSA ODI #10374050
88,000 miles · Dec 23, 2010
Electrical SystemVehicle Speed Control
MY 2004 ENVOY XUV SPEEDODOMETER STUCK AT 55MPH. I SPOKE TO DEALER TECHNICIAN AND WAS TOLD I HAD TO REPLACE THE INSTRUMENT CLUSTER BECAUSE OF A SMALL THING CALLED A STEPPER MOTOR. THIS SEEMS TO BE AN ON GOING PROBLEM WITH GM VEHICLES. I STRONGLY SUGGEST A SAFETY RECALL BECAUSE THIS IS FAILING ON THOUSANDS OF VEHICLES. *LN
NHTSA ODI #10372267
100,000 miles · Nov 29, 2010
Electrical System
ERRATIC SPEED ODOMETER READINGS, HAPPENS 3-4 TIMES WEEKLY. THIS HAPPENS FROM YOUR ACTUAL SPEED OF 40-60 MPH, YOU LOOK DOWN NEXT SECOND AND YOU ARE GOING 100-120 MPH PER ODOMETER. WHEN YOU COME TO A STOP IT SAYS YOUR STILL GOING 90-110 MPH, ONLY WAY TO RESET YOUR ODOMETER IS TO PULL OVER AND RESTART YOUR CAR ABOUT 50-60 TIMES UNT…
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ERRATIC SPEED ODOMETER READINGS, HAPPENS 3-4 TIMES WEEKLY. THIS HAPPENS FROM YOUR ACTUAL SPEED OF 40-60 MPH, YOU LOOK DOWN NEXT SECOND AND YOU ARE GOING 100-120 MPH PER ODOMETER. WHEN YOU COME TO A STOP IT SAYS YOUR STILL GOING 90-110 MPH, ONLY WAY TO RESET YOUR ODOMETER IS TO PULL OVER AND RESTART YOUR CAR ABOUT 50-60 TIMES UNTIL IT SAYS 0 MPH. SOMETIMES THIS WONT LAST BUT 5 MIN... THIS ALSO INCREASES YOUR CARS MILEAGE. GMC WILL NOT REPAIR THIS WITH OUT CHARGING YOU 600 DOLLARS. THIS IS NOT SAFE FOR ANYONE ON THE ROAD AND NOT FAIR TO PEOPLE OWING CARS, OR BUYING CARS TO HAVE NOT ACTUAL MILEAGE ON A CAR NOR TO BE ABLE TO DRIVE SAFELY. UPDATED IVOQ 12/03/10. *TR
NHTSA ODI #10368188
78,000 miles · Oct 23, 2010
Electrical System
THE SPEEDOMETER STICKS AND GIVES THE WRONG SPEED ABOUT 2X A MONTH, ON AVERAGE. THE DEALER WILL NOT REPLACE AND DENIES THERE IS A PROBLEM. *TR
NHTSA ODI #10361911
50,000 miles · Oct 19, 2010
Electrical System
THE SPEEDOMETER ON MY 2004 GMC ENVOY XUV INTERMITTENTLY WORKS. ROUGHLY 10% OF THE TIME, THE GAUGE WILL STOP WORKING COMPLETELY. NOW, THE RPM GAUGE HAS ALSO BEGIN ACTING ERRATICALLY. I HAVE CONTACTED GMC CUSTOMER SUPPORT, AND THEY DIRECTED ME TO THE LOCAL DEALER, WHO WILL CHARGE ME $79 SIMPLY TO "DIAGNOSE" THE PROBLEM, FOLLOWED B…
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THE SPEEDOMETER ON MY 2004 GMC ENVOY XUV INTERMITTENTLY WORKS. ROUGHLY 10% OF THE TIME, THE GAUGE WILL STOP WORKING COMPLETELY. NOW, THE RPM GAUGE HAS ALSO BEGIN ACTING ERRATICALLY. I HAVE CONTACTED GMC CUSTOMER SUPPORT, AND THEY DIRECTED ME TO THE LOCAL DEALER, WHO WILL CHARGE ME $79 SIMPLY TO "DIAGNOSE" THE PROBLEM, FOLLOWED BY A LIKELY $600 REPAIR TO REPLACE THE ENTIRE CLUSTER. A SIMPLE ONLINE SEARCH OF "2004 GMC ENVOY XUV SPEEDOMETER PROBLEMS" RETURNED 10'S OF THOUSANDS OF HITS, SO IT APPEARS THIS IS A VERY WIDESPREAD PROBLEM. AFTER CHECKING INTO THE SITUATION WITH GM DEALERS THERE IS A RECALL ON THE SIERRA'S AND YUKONS WHICH HAVE THE SAME CLUSTER AS MY VEHICLE BUT GM REFUSES TO STAND BEHIND THE DEFECT ON THE ENVOYS. PARTS HAVE NOT BEEN REPLACED YET ON MY VEHICLE HOPING THAT GM WILL WAKE UP AND REALIZE THIS IS A COMMON PROBLEM ON THE ENVOYS AND THAT IT REQUIRES ATTENTION. BELOW IS JUST ONE OF MANY LINKS WHICH HIGHLIGHT THE ISSUE MANY GMC OWNERS ARE FACING: HTTP://WWW.ABOUTAUTOMOBILE.COM/COMPLAINT/2004/GMC/ENVOY/DIGITAL+INSTRUMENT+PANEL. *TR
NHTSA ODI #10361161
40,000 miles · Sep 7, 2010
Electrical System
2004 GMC ENVOY XUV: THE SPEEDOMETOR FAILED LAST YEAR, AND PROBABLY WASN'T WORKING PROPERLY BEFORE THAT. I SEE THAT A NUMBER OF OTHER PEOPLE ARE HAVING THE SAME PROBLEMS WITH THEIR GMC'S. *TR
NHTSA ODI #10354367
40,000 miles · Aug 24, 2010
Electrical SystemEngine And Engine CoolingFuel System, Gasoline
I HAVE A 2004 SUV XLT. I BOUGHT MY CAR WITH 400 MILES ON IT. I HAD THE GAS TANK REPLACED EARLY ON. WENT BACK TO GMC B/C THEY HAD NOT INSTALLED IT PROPERLY. I'VE HAD BOTH FRONT AND REAR SWAY BARS REPLACED AND BOTH KNOCK SENSORS REPLACED. MY MIDDLE WINDOW DECIDED TO QUIT WORKING AND I HAVEN'T GOTTEN IT FIXED BECAUSE THE GUYS AT TH…
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I HAVE A 2004 SUV XLT. I BOUGHT MY CAR WITH 400 MILES ON IT. I HAD THE GAS TANK REPLACED EARLY ON. WENT BACK TO GMC B/C THEY HAD NOT INSTALLED IT PROPERLY. I'VE HAD BOTH FRONT AND REAR SWAY BARS REPLACED AND BOTH KNOCK SENSORS REPLACED. MY MIDDLE WINDOW DECIDED TO QUIT WORKING AND I HAVEN'T GOTTEN IT FIXED BECAUSE THE GUYS AT THE GMC SERVICE CENTER SAID THEY COULDN'T IMAGINE WHAT IT COULD BE AND THEY WOULD HAVE TO CHARGE ME $100 FOR A DIAGNOSIS!! MY RADIO/CD PLAYER IS ONLY HALF LIT UP AND STOPS WORKING WHEN IT GETS TOO HOT FROM PLAYING A CD... I AM CURRENTLY HAVING ISSUES WITH THE FAN CLUTCH, THERMOSTAT AND A LEAK IN MY FRONT DIFFERENTIAL. MEANWHILE THE GUYS AT THE DEALERSHIP WANTED TO CHARGE ME $1,500 TO REPLACE MY KNOCK SENSORS AGAIN AND DIDN'T EVEN FIND THE LEAK WHEN THEY WERE "DIAGNOSING" MY ISSUE. I TRULY DO LOVE MY CAR, BUT I AM SUPER MAD ABOUT THE MIDDLE WINDOW AND SUPER MAD ABOUT ALL OF THESE ISSUES. I TAKE CARE OF MY CAR AND DO ALL OF THE ROUTINE MAINTENANCES. I THINK I KNOW WHY IT WAS ONLY ON THE MARKET FOR TWO YEARS. PLEASE HELP US GET OUR MIDDLE WINDOWS FIXED. I DIDN'T DO ANYTHING TO CAUSE IT TO STOP WORKING. *TR
NHTSA ODI #10351604
68,000 miles · Jul 28, 2010
Electrical System
THE SPEEDOMETER DOES NOT REGISTER THE CORRECT SPEED. THIS HAS BEEN HAPPENING FOR OVER A YEAR AND IT IS PRETTY CONSISTENT. CALLED GMC AND WAS TOLD IT WOULD BE FIXED FOR FREE BUT WHEN I WENT TO DEALERSHIP THEY SAID NO. I STILL HAVE THE PROBLEM AND BELIEVE IT SHOULD BE A RECALL. *TR
NHTSA ODI #10345922
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.
PE05006 · Turn Signal Failures
Opened Feb 4, 2005 · Closed May 6, 2005
Status: closed (inferred from source dates) · Exterior Lighting:turn Signal; Exterior Lighting:turn Signal:flasher Unit; Exterior Lighting:turn Signal:switch
BY LETTER DATED APRIL 29, 2005, GM NOTIFIED THE AGENCY THAT IT IS CONDUCTING ASAFETY RECALL ( NHTSA RECALL NO. 05V198 ) INVOLVING CERTAIN MODEL YEARS (MY) 2003-2004 ISUZU ASCENDER, CHEVROLET TRAILBLAZER, GMC ENVOY, OLDSMOBILE BRAVADA AND MY 2004 BUICK RAINER VEHICLES.THE RECALL APPLIES TO VEHICLES BUILT FROM APRIL 2003 THROUGH NOVEMBER 2003 FOR A TOTAL VEHICLE POPULATION OF 286,478.GM REPORTS THE DIRECTIONAL/HAZARD SIGNALS FAILURE IS DUE TO STICKING CONTACTS ON ROUTING RELAYS IN THE FLASHER MODULE.GM WILL REPLACE THE FLASHER MODULE ON ALL INVOLVED VEHICLES.BASED ON GM'S SAFETY RECALL ACTION, THIS INVESTIGATION IS CLOSED.
Additional source detail variants (3)
Exterior Lighting:turn Signal:flasher Unit
BY LETTER DATED APRIL 29, 2005, GM NOTIFIED THE AGENCY THAT IT IS CONDUCTING ASAFETY RECALL ( NHTSA RECALL NO. 05V198 ) INVOLVING CERTAIN MODEL YEARS (MY) 2003-2004 ISUZU ASCENDER, CHEVROLET TRAILBLAZER, GMC ENVOY, OLDSMOBILE BRAVADA AND MY 2004 BUICK RAINER VEHICLES.THE RECALL APPLIES TO VEHICLES BUILT FROM APRIL 2003 THROUGH NOVEMBER 2003 FOR A TOTAL VEHICLE POPULATION OF 286,478.GM REPORTS THE DIRECTIONAL/HAZARD SIGNALS FAILURE IS DUE TO STICKING CONTACTS ON ROUTING RELAYS IN THE FLASHER MODULE.GM WILL REPLACE THE FLASHER MODULE ON ALL INVOLVED VEHICLES.BASED ON GM'S SAFETY RECALL ACTION, THIS INVESTIGATION IS CLOSED.
Exterior Lighting:turn Signal
BY LETTER DATED APRIL 29, 2005, GM NOTIFIED THE AGENCY THAT IT IS CONDUCTING ASAFETY RECALL ( NHTSA RECALL NO. 05V198 ) INVOLVING CERTAIN MODEL YEARS (MY) 2003-2004 ISUZU ASCENDER, CHEVROLET TRAILBLAZER, GMC ENVOY, OLDSMOBILE BRAVADA AND MY 2004 BUICK RAINER VEHICLES.THE RECALL APPLIES TO VEHICLES BUILT FROM APRIL 2003 THROUGH NOVEMBER 2003 FOR A TOTAL VEHICLE POPULATION OF 286,478.GM REPORTS THE DIRECTIONAL/HAZARD SIGNALS FAILURE IS DUE TO STICKING CONTACTS ON ROUTING RELAYS IN THE FLASHER MODULE.GM WILL REPLACE THE FLASHER MODULE ON ALL INVOLVED VEHICLES.BASED ON GM'S SAFETY RECALL ACTION, THIS INVESTIGATION IS CLOSED.
Exterior Lighting:turn Signal:switch
BY LETTER DATED APRIL 29, 2005, GM NOTIFIED THE AGENCY THAT IT IS CONDUCTING ASAFETY RECALL ( NHTSA RECALL NO. 05V198 ) INVOLVING CERTAIN MODEL YEARS (MY) 2003-2004 ISUZU ASCENDER, CHEVROLET TRAILBLAZER, GMC ENVOY, OLDSMOBILE BRAVADA AND MY 2004 BUICK RAINER VEHICLES.THE RECALL APPLIES TO VEHICLES BUILT FROM APRIL 2003 THROUGH NOVEMBER 2003 FOR A TOTAL VEHICLE POPULATION OF 286,478.GM REPORTS THE DIRECTIONAL/HAZARD SIGNALS FAILURE IS DUE TO STICKING CONTACTS ON ROUTING RELAYS IN THE FLASHER MODULE.GM WILL REPLACE THE FLASHER MODULE ON ALL INVOLVED VEHICLES.BASED ON GM'S SAFETY RECALL ACTION, THIS INVESTIGATION IS CLOSED.