NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
150 reportsMileage unknown · Aug 2, 2007
Electrical System
THE SPEEDOMETER ON MY 2004 GMC ENVOY BEGAN ACTING ERRATICALLY, SOMETIMES READING TOO LOW, AND OTHER TIMES READING TOO HIGH. I WAS CHARGED $511 BY A GM DEALER TO REPLACE THE INSTRUMENT CLUSTER. THE INCIDENT DATE INDICATED IS APPROXIMATE. WITH REGARD TO NUMBER OF FAILURES, THIS IS THE APPROXIMATE NUMBER OF TIMES I INITIALLY O…
Read full complaint
THE SPEEDOMETER ON MY 2004 GMC ENVOY BEGAN ACTING ERRATICALLY, SOMETIMES READING TOO LOW, AND OTHER TIMES READING TOO HIGH. I WAS CHARGED $511 BY A GM DEALER TO REPLACE THE INSTRUMENT CLUSTER. THE INCIDENT DATE INDICATED IS APPROXIMATE. WITH REGARD TO NUMBER OF FAILURES, THIS IS THE APPROXIMATE NUMBER OF TIMES I INITIALLY OBSERVED THE SPEEDOMETER READING TOO LOW OR TOO HIGH. EACH FAILURE LASTED FOR A NUMBER OF DAYS AND THEN THE SPEEDOMETER SEEMED TO READ CORRECTLY FOR A WEEK OR TWO BEFORE THE NEXT FAILURE. *TR
NHTSA ODI #10198297
Mileage unknown · Jun 20, 2007
Electrical System
SPEEDOMETER ON 2004 ENVOY XUV LEASE STARTED ACTING ERRATICALLY AFTER WARRANTY HAD RUN OUT. SHOWED 120 MPH AT RESTING SOMETIMES, OFTEN STUCK AT 120-130 MPH. THIS APPEARED TO BE A KNOWN DEFECT FROM MY RESEARCH, AND THE DEALER WANTED ME TO PAY FOR THIS WHEN TURNING THE CAR IN. *AK
NHTSA ODI #10193862
40,000 miles · Jun 10, 2007
Electrical System
1) THE SPEEDOMETER STOPPED WORKING A FEW MONTHS AGO. 2) MY INSPECTION STICKER IS NOW DUE TO BE REPLACED, BUT I CAN'T GET ONE WITHOUT THE SPEEDOMETER WORKING. 3) CUSTOMER SERVICE THRU GMC WAS NO HELP AT ALL. THEY SAID I NEEDED TO TAKE IT TO THE DEALERSHIP TO HAVE IT LOOKED AT. WHICH I WILL HAVE TO PAY FOR, THEN THEY WILL R…
Read full complaint
1) THE SPEEDOMETER STOPPED WORKING A FEW MONTHS AGO. 2) MY INSPECTION STICKER IS NOW DUE TO BE REPLACED, BUT I CAN'T GET ONE WITHOUT THE SPEEDOMETER WORKING. 3) CUSTOMER SERVICE THRU GMC WAS NO HELP AT ALL. THEY SAID I NEEDED TO TAKE IT TO THE DEALERSHIP TO HAVE IT LOOKED AT. WHICH I WILL HAVE TO PAY FOR, THEN THEY WILL REVIEW THE CASE. OH HOW NICE, REVIEW IT JUST TO TELL ME I HAVE TO PAY FOR IT?! I'VE SEEN THOUSANDS OF PEOPLE REPORTING THIS ON THE INTERNET. WHY HASN'T ANYTHING BEEN DONE? IF YOUR EVERYDAY AVERAGE JOE IS RESPONSIBLE FOR THE WORK/PRODUCTS HE/SHE PUTS OUT, WHY NOT THE BIG CORPORATIONS?
NHTSA ODI #10192844
83,000 miles · May 24, 2007
Electrical System
WHENEVER I TURN ON MY HEATING SYSTEM FAN, MY WARNING LIGHTS FOR THE ABS AND BRAKE FAILURE LIGHTS COME ON AND THE ON DASH COMPUTER INDICATES SERVICE BRAKES IMMEDIATELY. I HAD THE BRAKES CHECKED AND THEY ARE FINE. THERE APPEARS TO BE SOME ELECTRONIC MALFUNCTION. CAR IS AT DEALER NOW
NHTSA ODI #10191614
38,200 miles · Apr 23, 2007
Fuel System, Gasoline
TL* THE CONTACT OWNS A 2004 GMC ENVOY. THE VEHICLE WAS PURCHASED ON SEPTEMBER 29, 2004 AND THE MILEAGE WAS 90. ON MARCH 27, 2007 TIGHTENED GAS CAP LIGHT CAME ON. ON MARCH 30, 2007 THE DEALER STATED THAT THERE WAS A LEAK COMING FROM THE NECK HOSE CONNECTED TO THE GAS TANK AND THE FUEL PUMP. THE DEALER STATED THAT THE GAS …
Read full complaint
TL* THE CONTACT OWNS A 2004 GMC ENVOY. THE VEHICLE WAS PURCHASED ON SEPTEMBER 29, 2004 AND THE MILEAGE WAS 90. ON MARCH 27, 2007 TIGHTENED GAS CAP LIGHT CAME ON. ON MARCH 30, 2007 THE DEALER STATED THAT THERE WAS A LEAK COMING FROM THE NECK HOSE CONNECTED TO THE GAS TANK AND THE FUEL PUMP. THE DEALER STATED THAT THE GAS TANK HAD TO BE REPLACED. THE CONTACT WAS CONCERNED ABOUT THE SAFETY RISK INVOLVED CONSIDERING THE YEAR OF THE VEHICLE. THE FAILURE MILEAGE WAS 38,200, AND THE CURRENT MILEAGE WAS 39,600. *AK
NHTSA ODI #10188669
53,000 miles · Mar 20, 2007
Structure
TL* - THE CONTACT OWNS A 2004 GMC ENVOY XUV. THE CONTACT STATED THAT THE PLASTIC TRIM MOLDING ON THE TOP AND IN THE REAR OF THE VEHICLE WHICH PROTECTS THE RETRACTABLE ROOF FILLED UP WITH SNOW WHICH CHANGED INTO ICE, AND WHEN THE ICE BEGAN TO MELT IT EXPANDED AND HIGH MOVEMENT OF THE VEHICLE CAUSED THE VEHICLE'S TRIM MOLDIN…
Read full complaint
TL* - THE CONTACT OWNS A 2004 GMC ENVOY XUV. THE CONTACT STATED THAT THE PLASTIC TRIM MOLDING ON THE TOP AND IN THE REAR OF THE VEHICLE WHICH PROTECTS THE RETRACTABLE ROOF FILLED UP WITH SNOW WHICH CHANGED INTO ICE, AND WHEN THE ICE BEGAN TO MELT IT EXPANDED AND HIGH MOVEMENT OF THE VEHICLE CAUSED THE VEHICLE'S TRIM MOLDING TO RIP APART. IT BROKE THE CLIPS ,AND PULLED IT RIGHT OFF THE CAR. THE CONTACT STATED THAT THE MORE WATER AND ICE WERE ON THE VEHICLE THE HIGHER THE SPEED TRAVELED, AND THE MORE THE TRIM RIPPED APART. THE TRIM MOLDING WAS HELD ON BY PLASTIC CLIPS. THE FAILURE AND CURRENT MILEAGE WERE BOTH 53,000.*AK
NHTSA ODI #10185615
77,000 miles · Mar 19, 2007
Unknown Or Other
I PURCHASED A NEW 2004 ENVOY XUV FROM RALLY GMC IN PALMDALE, CA (PURCHASED IN JANUARY 2004). AT ABOUT 74000 MILES (2000 MILES AFTER EXTENDED WARRANTY EXPIRED), THE SPEEDOMETER STARTED REGISTERING 45MPH, REGARDLESS OF WHAT SPEED I WAS ACTUALLY GOING. IN ADDITION, IT NOW JUMPS FROM SPEED TO SPEED IN 5MPH INCREMENTS. I DISCOVER…
Read full complaint
I PURCHASED A NEW 2004 ENVOY XUV FROM RALLY GMC IN PALMDALE, CA (PURCHASED IN JANUARY 2004). AT ABOUT 74000 MILES (2000 MILES AFTER EXTENDED WARRANTY EXPIRED), THE SPEEDOMETER STARTED REGISTERING 45MPH, REGARDLESS OF WHAT SPEED I WAS ACTUALLY GOING. IN ADDITION, IT NOW JUMPS FROM SPEED TO SPEED IN 5MPH INCREMENTS. I DISCOVERED THIS WHILE DRIVING FROM LA TO DALLAS ON THE INTERSTATE AT FREEWAY SPEEDS IN EARLY DECEMBER 2006. I ORIGINALLY THOUGHT IT WAS BECAUSE IT WAS COLD OUTSIDE, AND A SENSOR HAD ICE ON IT. BUT AFTER IT WARMED UP AND I FOUND MYSELF GOING ABOUT 80-90MPH, WHILE THE SPEEDOMETER REGISTERED 45MPH, I REALIZED THE SPEEDO HAD FAILED. I PULLED THE ICU FUSE AND THE SPEEDOMETER RESET AND STARTED ACTING OK FOR THE REST OF THE TRIP. IT FAULTED AGAIN ABOUT A WEEK LATER AND HAS NEVER WORKED RIGHT SINCE. RALLY CHEVROLET/GMC IN PALMDALE CA QUOTED ME A PRICE OF $600.00 PLUS TO FIX IT, PLUS AN INDEFINITE TIME IN THE SHOP.
NHTSA ODI #10185537
46,500 miles · Feb 22, 2007
Electrical System
THE SPEEDOMETER HAS BECOME ERRATIC ON MY 2004 GMC ENVOY XUV. I AM TOLD IT WILL REQUIRE REMOVAL & REPAIR IN THE RANGE OF 500-600 DOLLARS. THIS APPEARS TO BE A MANUFACTURING DEFECT THAT CONVENIENTLY APPEARS SHORTLY AFTER THE EXPIRATION OF THE WARRANTY. FROM WEB POSTS IT IS OBVIOUSLY A WIDESPREAD PROBLEM THAT SHOULD BE ADDRESSED BY…
Read full complaint
THE SPEEDOMETER HAS BECOME ERRATIC ON MY 2004 GMC ENVOY XUV. I AM TOLD IT WILL REQUIRE REMOVAL & REPAIR IN THE RANGE OF 500-600 DOLLARS. THIS APPEARS TO BE A MANUFACTURING DEFECT THAT CONVENIENTLY APPEARS SHORTLY AFTER THE EXPIRATION OF THE WARRANTY. FROM WEB POSTS IT IS OBVIOUSLY A WIDESPREAD PROBLEM THAT SHOULD BE ADDRESSED BY THE MANUFACTURER. *JB
NHTSA ODI #10183292
45,000 miles · Jan 21, 2007
Electrical System
SPEEDOMETER IS PEGGED AT 120 ON MY 2004 GMC ENVOY. *JB
NHTSA ODI #10179298
31,800 miles · Dec 12, 2006
Electrical SystemVehicle Speed Control
2004 GMC ENVOY SPEEDOMETER SLOWS DOWN TO ZERO AT HIGHWAY SPEEDS. *JB
NHTSA ODI #10175917
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.