NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
150 reports102,000 miles · Jun 11, 2013
Electrical SystemSeatsFire
ON JUNE 8 2013 BOTH THE DRIVER AND PASSENGER SEAT POWER ADJUSTMENTS CEASED TO OPERATE OR RESPOND IN ANY WAY. BOTH SEAT STUCK IN A FULL BACK POSITION. THE NEXT DAY, JUNE 9 2013, THE VEHICLE WAS AT IDLE AND IN PARK FOR NO MORE THAN 4 OR 5 MINUTES, WHEN AN ODD SMELL WAS NOTICED. A SMALL ELECTRICAL FIRE TO INCLUDE SPARKS AND A LO…
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ON JUNE 8 2013 BOTH THE DRIVER AND PASSENGER SEAT POWER ADJUSTMENTS CEASED TO OPERATE OR RESPOND IN ANY WAY. BOTH SEAT STUCK IN A FULL BACK POSITION. THE NEXT DAY, JUNE 9 2013, THE VEHICLE WAS AT IDLE AND IN PARK FOR NO MORE THAN 4 OR 5 MINUTES, WHEN AN ODD SMELL WAS NOTICED. A SMALL ELECTRICAL FIRE TO INCLUDE SPARKS AND A LOT OF SMOKE THEN ERUPTED UNDER THE PASSENGER SEAT. THE DRIVER TURNED THE VEHICLE OFF, AND THE PASSENGER AND 18 MONTH OLD CHILD, AND DRIVER ALL EXITED THE VEHICLE. THE FIRE DIED, AND THE SMOKE CLEARED. WAITED 15 MINUTES, RESTARTED THE VEHICLE WITH NO PROBLEMS. THE VEHICLE WAS DROPPED OFF THE NEXT DAY, JUNE 10 2013, A CHEVY DEALERSHIP. THE VEHICLE IS CURRENTLY UNDER DIAGNOSES. *TR
NHTSA ODI #10519293
90,000 miles · May 11, 2013
Electrical System
OIL GAUGE STOPPED WORKING SINCE 2010. CHANGED OIL PRESSURE SWITCH, BUT OIL GAUGE STILL NOT READING. SPEEDOMETER GAUGE STARTED GIVING FALSE READINGS SINCE EARLY 2011. FAILS TO READ CORRECTLY SINCE, READING UP TO 200MPH @ REAL SPEEDS UP TO 40MPH. ABOUT A YEAR LATER RPM GAUGE FAILED AND STOPPED WORKING SINCE EARLY 2012. …
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OIL GAUGE STOPPED WORKING SINCE 2010. CHANGED OIL PRESSURE SWITCH, BUT OIL GAUGE STILL NOT READING. SPEEDOMETER GAUGE STARTED GIVING FALSE READINGS SINCE EARLY 2011. FAILS TO READ CORRECTLY SINCE, READING UP TO 200MPH @ REAL SPEEDS UP TO 40MPH. ABOUT A YEAR LATER RPM GAUGE FAILED AND STOPPED WORKING SINCE EARLY 2012. WE NEVER KNOW WHAT SPEED WE ARE GOING WITH A LOT OF RISKS INVOLVED, INCLUDING SPEEDING TICKETS OR ELSE. THERE ARE MANY OWNERS WITH SAME PROBLEM, WITH COSTLY REPAIRS AND SOMETIME NO FIX. HOPING FOR GMC TO STEP UP TO THE PLATE. *TR
NHTSA ODI #10511483
116,000 miles · Jan 16, 2013
Engine
EXHAUST MANIFOLD CRACKED. GM HAS A SPECIAL EXTENDED WARRENTY ON MODEL YEARS 2008-2009 ONLY. YET THEY ARE THE SAME MANIFOLD AND SAME ENGINE ON ALL MODEL YEARS. THERE ARE 100'S OF REPORTS OF CRACKED MANIFOLDS ONLINE, WITH ALL MODEL YEARS. *TR
NHTSA ODI #10493212
129,000 miles · Aug 27, 2012
Air Bags
TL* THE CONTACT OWNS A 2004 GMC ENVOY. THE CONTACT STATED THAT THE AIR BAGS DEPLOYED WITH OUT ANY WARNINGS. THE CONTACT MENTIONED THAT THE VEHICLE WAS NOT INVOLVED IN A CRASH. NO INJURIES WERE REPORTED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 129,000.
NHTSA ODI #10472555
84,925 miles · Jul 19, 2012
Electrical SystemFuel/propulsion System
WHEN IN TRAFFIC TRAVELING ACROSS STATES ON HIGHWAY AT 55-65 MPH LEFT LANE(SCARY) I RAN OUT OF GAS WHEN THE GAUGE SHOWED 1/4 OF A TANK NOW WHEN TANK IS FULL IT READ 1/2 AND AT TIMES THE GAUGE FLOATS AROUND FULL TO EMPTY WHEN DRIVING SOME TIME IT READS EMPTY WHEN I PUT 10 GALLONS IN WAS TOLD A BAD FUEL SENDER IN TANK I READ OTHER …
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WHEN IN TRAFFIC TRAVELING ACROSS STATES ON HIGHWAY AT 55-65 MPH LEFT LANE(SCARY) I RAN OUT OF GAS WHEN THE GAUGE SHOWED 1/4 OF A TANK NOW WHEN TANK IS FULL IT READ 1/2 AND AT TIMES THE GAUGE FLOATS AROUND FULL TO EMPTY WHEN DRIVING SOME TIME IT READS EMPTY WHEN I PUT 10 GALLONS IN WAS TOLD A BAD FUEL SENDER IN TANK I READ OTHER REPORTS THAT G M RECALL WILL ONLY PAY HALF THE COST TO REPAIR?? *TR
NHTSA ODI #10466613
166,569 miles · Apr 20, 2012
Fuel System, Gasoline
MISFIRE WAS DETECTED DEALER CODE #P038. DEALER CLAIM WAS A SPARK PLUG PROBLEM. SPARK PLUGS AND CABLES WERE REPLACE. WHEN I WENT TO PICK UP THE VEHICLE, THE CHECK ENGINE LIGHT WAS ON. DEALER TECHNICIAN CLAIMED THERE IS A PROLBLEM WITH THE TANK THAT IS LEAKING AND NEEDED TO BE REPLACE. THEY STATED THE PROBLEM IS ON MOST OF THIS NE…
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MISFIRE WAS DETECTED DEALER CODE #P038. DEALER CLAIM WAS A SPARK PLUG PROBLEM. SPARK PLUGS AND CABLES WERE REPLACE. WHEN I WENT TO PICK UP THE VEHICLE, THE CHECK ENGINE LIGHT WAS ON. DEALER TECHNICIAN CLAIMED THERE IS A PROLBLEM WITH THE TANK THAT IS LEAKING AND NEEDED TO BE REPLACE. THEY STATED THE PROBLEM IS ON MOST OF THIS NEW TANKS. JUST WONDER IF THIS A MANUFACTURING PROBLEM SINCE IT CAN CAUSE FIRE OR EXPLOSION AT ANY TIME ON THE ROAD. *JS
NHTSA ODI #10455854
75,000 miles · Mar 26, 2012
Structure
THE REAR TAILGATE IS NOT OPERATING AT ALL. IT WILL NOT LATCH CLOSED, IT SWINGS DOWN ON ITS OWN. IT IS CURRENTLY BEING HELD IN THE LATCHED POSITION BY A RATCHET STRAP. IT HAS ALSO SWUNG OPEN ON ITS OWN, WHILE IT WAS STILL LATCHING PROPERLY AND THE REAR WINDOW HAS DROPPED ITSELF ON ITS OWN. *TR
NHTSA ODI #10453156
160,000 miles · Feb 6, 2012
Air BagsCrash
I WAS IN ACCIDENT ON SATURDAY FEBRUARY 4, 2012 IN MY 2004 ENVOY XUV. I WAS TRAVELING APPROX. 40 MPH WHEN ANOTHER CAR PULLED IN FRONT OF ME AND WITHIN 1 SECOND I T-BONED THE SIDE OF THEIR CAR. MY AIRBAGS DID NOT DEPLOY. FORTUNATELY ALL I ENDED UP WITH WAS MINOR BRUSES FROM THE STEERING WHEEL AND THE SEATBELT STRAP. THIS WAS TO…
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I WAS IN ACCIDENT ON SATURDAY FEBRUARY 4, 2012 IN MY 2004 ENVOY XUV. I WAS TRAVELING APPROX. 40 MPH WHEN ANOTHER CAR PULLED IN FRONT OF ME AND WITHIN 1 SECOND I T-BONED THE SIDE OF THEIR CAR. MY AIRBAGS DID NOT DEPLOY. FORTUNATELY ALL I ENDED UP WITH WAS MINOR BRUSES FROM THE STEERING WHEEL AND THE SEATBELT STRAP. THIS WAS TO BE THE BEST ENGINEERED SUV GMC HAD EVER MADE AND I WAS SHOCKED THE AIRBAGS DID NOT DEPLOY. *TR
NHTSA ODI #10446772
20,000 miles · Jan 17, 2012
Fuel System, Gasoline
A YEAR AFTER THE PURCHASE OF MY NEW 2004 GMC ENVOY XUV MY SERVICE ENGINE LIGHT CAME ON AND AN AUTHORIZED SERVICE TECH SAID I NEEDED A NEW GAS CAP BECAUSE OF A SMALL VAPOR LEAK. I BOUGHT THE NEW CAP AND A FEW MONTHS LATER THE ENGINE LIGHT CAME ON AND AGAIN I BOUGHT ANOTHER CAP. FROM THEN I HAD BEEN TOLD BY DIFFERENT MECHANICS T…
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A YEAR AFTER THE PURCHASE OF MY NEW 2004 GMC ENVOY XUV MY SERVICE ENGINE LIGHT CAME ON AND AN AUTHORIZED SERVICE TECH SAID I NEEDED A NEW GAS CAP BECAUSE OF A SMALL VAPOR LEAK. I BOUGHT THE NEW CAP AND A FEW MONTHS LATER THE ENGINE LIGHT CAME ON AND AGAIN I BOUGHT ANOTHER CAP. FROM THEN I HAD BEEN TOLD BY DIFFERENT MECHANICS THAT THE VAPOR LEAK IS COMING FROM THE NOZZLE THE CAP ATTACHES TO BUT TODAY FOR THE FIRST TIME I WAS TOLD I WOULD FAIL MY SMOG CHECK BECAUSE THE VAPOR LEAK ACCORDING TO THEIR DIAGNOSTICS WAS NOT COMING FROM THE NOZZLE, BUT SOMEWHERE ELSE NEAR THE TANK. AFTER RESEARCH ON RECALLS AND COMPLAINTS, I FOUND OUT THAT MY PROBLEM WAS SIMILAR TO OTHER COMPLAINTS, THAT BEING THE GM SERVICE BULLETIN 05-06-04-014A: INFO - DIAGNOSTIC AIDS FOR TROUBLE CODES P0440, P0455 & / OR P0442 FUEL WAS LEAKING FROM THE CRACK, AND THAT THE 2002 - 2004 ENVOY MAY HAVE ISSUES WITH A CRACK IN THE GAS TANK FILLER NECK AS WELL. I CHECKED OUT THE ASSEMBLY SYSTEM AND YEP MY FILLER TANK CONNECTION FROM HOSE TO TANK IS LOOSE AND SHOWING EVIDENCE OF GAS LEAKING DOWN THE TANK. IT WASN'T A SMALL VAPOR LEAK, IT IS A MUSHROOM CLOUD EVENT JUST WAITING TO HAPPEN TO MY BACKSIDE! THE INTERESTING PART OF THIS DISASTER IS THAT THEY DID THIS AS FAR BACK AS I COULD SEARCH, SO FAR AS EARLY AS 2001. GM HAD ADVISED THEIR MECHANICS THAT THE PROBLEM WAS RESOLVED AND REDESIGN OF THE SYSTEM WAS IN PLACE WITH WELDED UNITS ATTACHING THE COMPONENTS, RATHER THAN RUBBER BOOTING TO PLASTIC TANKS. I HAVE THE INTERNAL MEMO OF THEIR DECLARATIONS FOR THREE YEARS SO FAR. TODAY, I'M IN POSSESSION OF A LOADED BOMB AND SEE THAT TSB'S ARE ISSUED FOR YEARS THROUGH 2009. PLUS THERES A DISCREPANCY WITH SERVICE WARRANTIES OF 10 YEARS OR 120,000 MILES VS 150,000, I HAVE THOSE INTERNAL DOCUMENTS FROM GM TO THE DEALERS AS WELL. I CANT AFFORD THIS. OTHER ENVOY OWNERS I'VE TALKED TO ARE SAYING THE SAME THINGS EXACTLY. *TR
NHTSA ODI #10444004
85,000 miles · Dec 31, 2011
Fuel System, Gasoline
GAS SMELL NEAR REAR OF VEHICLE WHEN PARKED, AFTER DRIVING. *KB
NHTSA ODI #10441982
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.