NHTSA owner reports · September 18, 2026 snapshot.
Fuel/propulsion System complaints
43 reportsClear category filterMileage unknown · Nov 30, 2015
Fuel/propulsion System
TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. WHILE THE VEHICLE WAS PARKED, THE CONTACT NOTICED STRONG FUEL FUMES OUTSIDE THE VEHICLE. UPON INSPECTION, THE CONTACT NOTICED THAT THERE WAS FUEL LEAKING FROM THE FUEL TANK. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE FUEL TANK NEEDED TO BE REPLACED. …
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TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. WHILE THE VEHICLE WAS PARKED, THE CONTACT NOTICED STRONG FUEL FUMES OUTSIDE THE VEHICLE. UPON INSPECTION, THE CONTACT NOTICED THAT THERE WAS FUEL LEAKING FROM THE FUEL TANK. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE FUEL TANK NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.
NHTSA ODI #10807392
151,872 miles · Nov 28, 2015
Fuel/propulsion System
ON NOVEMBER 19, 2015, I RECEIVED A LETTER FROM CHEVROLET, P.O. BOX 909989, MILWAUKEE, WI 53209-9989, DATED NOVEMBER 2015, NOTIFYING ME, "THIS LETTER IS INTENDED TO MAKE YOU AWARE THAT SOME 2004 MODEL YEAR CHEVROLET TRAILBLAZER VEHICLES MAY CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE." I IMMEDIATELY CALLED THE…
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ON NOVEMBER 19, 2015, I RECEIVED A LETTER FROM CHEVROLET, P.O. BOX 909989, MILWAUKEE, WI 53209-9989, DATED NOVEMBER 2015, NOTIFYING ME, "THIS LETTER IS INTENDED TO MAKE YOU AWARE THAT SOME 2004 MODEL YEAR CHEVROLET TRAILBLAZER VEHICLES MAY CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE." I IMMEDIATELY CALLED THE 1-800-222-1020 PHONE NUMBER INCLUDED IN THE LETTER AND THE GENTLEMEN I SPOKE WITH CALLED MY NEAREST CHEVROLET DEALER, NIMNICHT CHEVROLET, JACKSONVILLE, FLORIDA, AND ASKED THEM TO CALL ME TO SET UP AN APPOINTMENT TO HAVE THE SITUATION INVESTIGATED. THEY DID NOT CALL ME AND THE FOLLOWING DAY, THE REPRESENTATIVE FROM CHEVROLET CALLED BACK TO CONFIRM THAT I HAD AN APPOINTMENT WITH NIMNICHT AND I INFORMED HIM THEY HAD NOT CALLED. HE IMMEDIATELY CALLED THEM BACK AND GOT AN APPOINTMENT SET UP FOR ME, WHICH WAS NOT UNTIL THE FOLLOWING WEDNESDAY, NOVEMBER 26, AT 8:00 A.M. I TOOK MY VEHICLE IN, WHICH HAS ALL OF THE SYMPTOMS LISTED, I.E. GASOLINE SMELL, SES LIGHT ON SOLID FOR A WHILE, THEN BEGINS BLINKING, AND WILL GO BACK TO SOLID, TERRIBLE GAS MILEAGE AND WHEN SITTING STILL WITH ENGINE RUNNING, ENGINE ACTS AS IF IT WANTS TO SHUT OFF. WITHIN TEN MINUTES OF MY ARRIVING AT THE DEALERSHIP, I WAS INFORMED THERE WAS NOTHING THEY COULD DO SINCE MY MILEAGE WAS OVER 150,000. THE DATE I RECEIVED THE LETTER, THE MILEAGE WAS 151,872 AND BY THE TIME I GOT AN APPOINTMENT, IT WAS 152,000 PLUS. AFTER LETTING ME SIT IN THEIR WAITING ROOM, AND MY ASKING THEM TO PLEASE CALL CHEVROLET TO SEE IF SOME TYPE OF EXCEPTION COULD BE MADE, THE LADY CAME BACK AND OFFERED ME A "REAL DEAL" OF $903.00 TO REPAIR IT. SHE TOLD ME THEY WERE NOT ALLOWED TO CALL CHEVROLET ON A CUSTOMER'S BEHALF. MY COMPLAINT IS THAT, IF THE LETTER WERE MAILED TO ME ON NOVEMBER 1, THE VEHICLE WOULD HAVE BEEN LESS THAN 150,000 MILES. I FEEL THEY SHOULD HAVE TO REPAIR IT. IT IS DANGEROUS TO DRIVE.
NHTSA ODI #10807305
110,000 miles · Nov 13, 2015
Fuel/propulsion System
TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THERE WAS AN ABNORMAL FUEL ODOR IN THE VEHICLE.THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 110,000.
NHTSA ODI #10790167
155,000 miles · Oct 9, 2015
Fuel/propulsion System
THE METALLIC FUEL PUMP LINES LOCATED ON TOP OF THE FUEL PUMP CORRODED THROUGH, LEAKING GAS ONTO THE GROUND WHENEVER THE ENGINE WAS ON. THIS VEHICLE HAS 155,000 MILES ON IT AND IS NOW 11 YEARS OLD. TO QUALIFY FOR THE RECALL THAT WAS ISSUED, THE CAR HAD TO BE LESS THAN 10 YEARS OLD OR AND HAVE LESS THAN 125,000 MILES. THE RECAL…
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THE METALLIC FUEL PUMP LINES LOCATED ON TOP OF THE FUEL PUMP CORRODED THROUGH, LEAKING GAS ONTO THE GROUND WHENEVER THE ENGINE WAS ON. THIS VEHICLE HAS 155,000 MILES ON IT AND IS NOW 11 YEARS OLD. TO QUALIFY FOR THE RECALL THAT WAS ISSUED, THE CAR HAD TO BE LESS THAN 10 YEARS OLD OR AND HAVE LESS THAN 125,000 MILES. THE RECALL PERIOD FOR THIS VEHICLE SHOULD BE EXTENDED TO INCLUDE OLDER VEHICLES.
NHTSA ODI #10781082
143,000 miles · Jan 20, 2015
Fuel/propulsion System
SMELLED GAS AND NOTICED PUDDLE UNDER VEHICLE WHEN PARKED. CHECKED ONLINE AND FOUND THIS SEEMS TO BE A COMMON PROBLEM FOR THIS VEHICLE AND WAS WORRIED BECAUSE THIS SEEMS TO BE A SAFETY ISSUE. CONTACTED CHEVROLET ABOUT IT AND WAS TOLD TO TAKE TO DEALER TO HAVE INSPECTED FOR ANY DAMAGE TO VEHICLE. I WAS CHARGED $49.73 TO BE TOLD …
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SMELLED GAS AND NOTICED PUDDLE UNDER VEHICLE WHEN PARKED. CHECKED ONLINE AND FOUND THIS SEEMS TO BE A COMMON PROBLEM FOR THIS VEHICLE AND WAS WORRIED BECAUSE THIS SEEMS TO BE A SAFETY ISSUE. CONTACTED CHEVROLET ABOUT IT AND WAS TOLD TO TAKE TO DEALER TO HAVE INSPECTED FOR ANY DAMAGE TO VEHICLE. I WAS CHARGED $49.73 TO BE TOLD THAT I HAD A FUEL LEAK AND TO REPAIR IT I WOULD BE CHARGED $1897.00 EVEN THOUGH CHEVROLET HAS ISSUED A SERVICE BULLETIN #05012 FOR THIS VERY ISSUE AND THAT IT CAN BE REPAIRED FOR NO CHARGE BUT THEY WOULD ONLY COVER FOR 10 YRS. OR 120,000 MILES. BUT SINCE I AM A LITTLE OVER ON BOTH ITEMS THEY WILL COVER NOTHING AND WANT ME TO PAY THE ENTIRE AMOUNT TO WHICH I FEEL THIS IS VERY UNFAIR AS THIS IS A COMMON ISSUE WITH THIS VEHICLE AND MILES SHOULD NOT BE AN ISSUE FOR A DEFECTIVE PART AND SINCE THIS IS A SAFETY ISSUE. *TR
NHTSA ODI #10676679
98,000 miles · Dec 4, 2014
Fuel/propulsion System
I STARTED SMELLING GAS FUMES INSIDE OF VEHICLE. I THOUGHT IT WAS JUST SENSOR OR GAS CAP LETTING FUMES OUT. I TOOK MY VEHICLE IN TO GET REPAIRED AND WAS TOLD THERE WAS A CRACK IN NECK ON FUEL TANK AND LEAKING FUEL. THE COST OF REPLACING THE FUEL TANK WAS $1390.00. I ALSO LOOKED UP TO SEE IF THERE HAD BEEN OTHERS THAT HAD THE SAM…
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I STARTED SMELLING GAS FUMES INSIDE OF VEHICLE. I THOUGHT IT WAS JUST SENSOR OR GAS CAP LETTING FUMES OUT. I TOOK MY VEHICLE IN TO GET REPAIRED AND WAS TOLD THERE WAS A CRACK IN NECK ON FUEL TANK AND LEAKING FUEL. THE COST OF REPLACING THE FUEL TANK WAS $1390.00. I ALSO LOOKED UP TO SEE IF THERE HAD BEEN OTHERS THAT HAD THE SAME PROBLEM AND THEY WERE WITH MOST ALL VEHICLES UNDER A 100,000 MILES. I CALLED GM AND WAS TOLD THERE WAS NEVER A RECALL ISSUED ON THIS. I THINK THEIR SHOULD HAVE BEEN A RECALL SINCE THIS WAS A SERIOUS SAFETY HAZARD. *TR
NHTSA ODI #10662232
9,899,410 miles · Nov 7, 2014
Fuel/propulsion System
SMELL GAS FROM INTERIOR A/C VENTS AND OUTSIDE OF VEHICLE ON DRIVERS SIDE. *TR
NHTSA ODI #10653460
96,000 miles · Nov 3, 2014
Fuel/propulsion System
MY VEHICLE IS SENDING GAS FUMES IN THRU THE VENT SYSTEM. I HAVE READ ONLINE THAT THIS HAS HAPPENED TO SEVERAL 2004 TRAILBLAZERS. THE OUTCOME IS FAULTY FUEL TANK MODULAR RESERVOIR ASSEMBLY OR HOLE IN TANK. AS OF NOW THERE IS NO RECALL. I WILL BE BRINGING THE VEHICLE INTO MY DEALERSHIP SOON TO GET THE PROBLEM FIXED HOWEVER, I …
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MY VEHICLE IS SENDING GAS FUMES IN THRU THE VENT SYSTEM. I HAVE READ ONLINE THAT THIS HAS HAPPENED TO SEVERAL 2004 TRAILBLAZERS. THE OUTCOME IS FAULTY FUEL TANK MODULAR RESERVOIR ASSEMBLY OR HOLE IN TANK. AS OF NOW THERE IS NO RECALL. I WILL BE BRINGING THE VEHICLE INTO MY DEALERSHIP SOON TO GET THE PROBLEM FIXED HOWEVER, I FEEL IF THIS HAS HAPPENED TO SEVERAL OTHER VEHICLES IT SHOULD BE PART OF A NATIONAL RECALL. I SEARCHED ONLINE UNDER CHEVY TRAILBLAZER 2004 FUEL SMELL THRU VENT. I HOPE THAT SOMETHING WILL BE ADDRESSED ON THIS BEFORE SOMEONE GETS KILLED EITHER BY FUMES OR POSSIBLE EXPLOSION. THE AFFECTED PARTS IS NOT CORRECT HOWEVER I HAD TO SELECT SOMETHING TO GET THIS TO PROCESS. *TR
NHTSA ODI #10652034
145,000 miles · Oct 28, 2014
Fuel/propulsion System
SIGNIFICANT, SIGNIFICANT GAS ODER BY DRIVER'S REAR WHEEL. CAN SMELL SOME GAS WHILE INSIDE VEHICLE BUT MOST NOTABLE WHEN OUTSIDE OF VEHICLE NEAR DRIVER'S REAR WHEEL. *TR
NHTSA ODI #10650642
102,000 miles · Oct 1, 2014
Fuel/propulsion System
FUEL TANK CRACK THE CHECK ENGINE LIGHT CAME ON WITH A VAPOR LEAK ERROR AND I SMELLED A SLIGHT GAS VAPOR. I TOOK IT TO MY MECHANIC AND HE COULD NOT IDENTIFY THE SOURCE OF THE VAPOR LEAK. AFTER A COUPLE OF MONTHS, THE GAS SMELL BECAME MORE NOTICEABLE AND I TOOK IT BACK TO MY MECHANIC. A SMOKE TEST REVEALED THAT THE FUEL TANK…
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FUEL TANK CRACK THE CHECK ENGINE LIGHT CAME ON WITH A VAPOR LEAK ERROR AND I SMELLED A SLIGHT GAS VAPOR. I TOOK IT TO MY MECHANIC AND HE COULD NOT IDENTIFY THE SOURCE OF THE VAPOR LEAK. AFTER A COUPLE OF MONTHS, THE GAS SMELL BECAME MORE NOTICEABLE AND I TOOK IT BACK TO MY MECHANIC. A SMOKE TEST REVEALED THAT THE FUEL TANK IS CRACKED WHERE THE FUEL TANK FILLER HOSE IS CONNECTED TO THE TANK. ALTHOUGH OTHER CHEVYS ARE COVERED UNDER RECALL FOR THIS PROBLEM, THE 2004 TRAILBLAZER IS NOT. THE TANK ALONE IS $790 TO REPLACE NOT INCLUDING LABOR OF ABOUT $150 AT MY MECHANIC. I HAVE READ MANY OTHER COMPLAINTS ABOUT THIS ISSUE FOR THIS CAR AND BELIEVE THAT THERE SHOULD BE A RECALL. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10640388
NHTSA investigations
4RQ17002 · 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.
EA07009 · Fuel Pump Module Leaks Gasoline
Opened Jul 10, 2007 · Closed Aug 28, 2008
Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:fuel Pump
DURING THE COURSE OF THIS EA INVESTIGATION, ODI OBSERVED THAT THE MAJORITY OF THE COMPLAINTS (88%) AND WARRANTY CLAIMS (94%) WERE REPORTED FOR VEHICLES THAT ARE REGISTERED FOR USE IN THE SALT BELT REGION OF THE US.THIS AREA INCLUDES 20 STATES IN THE NORTHEAST, MID ATLANTIC AND THE MIDWEST REGIONS AND THE DISTRICT OF COLUMBIA.CONSUMERS IN THE SALT BELT REGION REPORTED TO ODI THAT THEY COULD SMELL FUEL VAPORS IN THEIR VEHICLES WHILE DRIVING.UPON FURTHER EXAMINATION OF THEIR VEHICLES, THEY DISCOVERED THAT FUEL VAPORS WERE COMING OUT OF THE TOP OF THE FUEL TANK. THIS CONDITION IS CAUSED BY CORROSION OF THE RETURN AND SENDER LINES OF THE FUEL PUMP MODULE.WATER AND ROAD SALT COLLECT ON TOP OF THE FUEL PUMP LEADING TO SMALL PINHOLES APPEARING ON THE FUEL LINES.FUEL MAY LEAK AND COLLECT ON TOP OF THE MODULE AND/OR SPILL ONTO THE GROUND.THE DATA EVALUATED UNDER THIS INVESTIGATION REFLECT A RELATIVELY LOW FREQUENCY OF OCCURRENCE THAT LARGELY ARISES IN SALT BELT STATES.GM HAS EXTENDED THE WARRANTY ON THE SUBJECT COMPONENT TO TEN YEARS OR 120,000 MILES.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED AT THIS TIME; ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.FOR ADDITIONAL INFORMATION SELECT DOCUMENT SEARCH.
EA04021 · Brake Lamp Failure
Opened Aug 3, 2004 · Closed Nov 4, 2004
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights
GM STATES THAT SOME BRAKE/TAIL LAMP BULBS CAN PREMATURELY BECOME INOPERATIVE DUE TO MALFUNCTIONING BRAKE/TAIL LAMP SOCKETS.ON MARCH 2, 2004, GM INITIATED A 6-YEAR/72,000 MILE SPECIAL POLICY FOR 989,487 SUBJECT VEHICLES TO INSPECT AND REPLACE THE REAR BRAKE/TAIL LAMP BULB SOCKET ASSEMBLIES.ON APRIL 4, 2004, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE04-032) BASED ON CONSUMER COMPLAINTS ALLEGING BRAKE LIGHTS NOT OPERATING WHEN THE BRAKE PEDAL IS DEPRESSED.ON AUGUST 3, 2004 ODI UPGRADED PE04-032 TO AN ENGINEERING ANALYSIS (EA04-021).BY LETTER DATED OCTOBER 27, 2004 GM NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA # 04V527) COVERING SUBJECT VEHICLES THAT WERE NOT ALREADY REPAIRED UNDER GM'S SPECIAL POLICY.MY 2004 SUBJECT VEHICLES BUILT AFTER AUGUST 8, 2003 CONTAIN IMPROVED BRAKE LAMP ASSEMBLIES AND ARE NOT INCLUDED IN THE RECALL.GM DEALERS WILL INSTALL THE IMPROVED BRAKE LAMP ASSEMBLY ON SUBJECT VEHICLES BUILT ON AUGUST 8, 2003 AND EARLIER.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.
PE04032 · Brake Lamp Failure
Opened Apr 6, 2004 · Closed Aug 3, 2004
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights
THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED THIS INVESTIGATION ON MODEL YEAR (MY) 2002-04 CHEVROLET TRAILBLAZER VEHICLES.GM REPORTS THAT OTHER VEHICLES SHARING THIS PLATFORM AND BRAKE LAMP DESIGN ARE THE MY 2002-2004 CHEVROLET TRAILBLAZER EXT; GMC ENVOY, XL, XUV; OLDSMOBILE BRAVADA AND 2004 BUICK RAINIER.COMPLAINTS ALLEGE THAT THE REAR BRAKE LAMP DOES NOT OPERATE WHEN THE BRAKE PEDAL IS DEPRESSED.THERE IS NO INDICATION TO THE DRIVER FROM INSIDE THE VEHICLE THAT ONE OR MORE BRAKE LAMPS BULBS ARE NOT FUNCTIONING.GM FOUND THAT HEAT FROM THE BULB COULD DEFORM THE LAMP SOCKET, PRODUCE ELECTRICAL ARCING AND AN INOPERATIVE BULB.TO CORRECT THE CONDITION, GM CHANGED THE BULB TO A BULB THAT TRANSMITS LESS HEAT TO THE SOCKET AND CHANGED THE SOCKET TO A THERMOPLASTIC POLYMER TO IMPROVE THERMAL STABILITY.THESE CHANGES WERE IMPLEMENTED INTO PRODUCTION VEHICLES ON OCTOBER 1, 2003.GM IMPLEMENTED A SPECIAL POLICY BY NOTIFYING CONSUMERS THAT IF THEY SHOULD EXPERIENCE A BRAKE LAMP FAILURE TO GO TO THEIR GM DEALERSHIP TO HAVE THE CIRCUIT BOARD CONTAINING THE BRAKE LAMP REPLACED ALONG WITH NEW BULBS.THIS POLICY IS GOOD FOR THE FIRST 6 YEARS OR 72,000 MILES OF THE LIFE OF THE VEHICLE.ODI WILL UPGRADE THIS INVESTIGATION TO EA 04-021 AND INCLUDE THE ABOVE MENTIONED VEHICLES.
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