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2003 Chevrolet Trailblazer Ext

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →

When problems were reported

Mileage at the reported incident

261 reports with mileage · 52 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Fuel System, Gasoline. Review the 80 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 77 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 49 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

7 crash reports6 fire reports9 injury reports

What owners actually said

313 reports
65,000 miles · Dec 26, 2013
Electrical System

MY INSTRUMENT CLUSTER PANEL STARTED TO MALFUNCTION BUT THEN RESET ITSELF. NOW, NONE OF THE INSTRUMENT PANEL WORKS. *TR

NHTSA ODI #10557307

Mileage unknown · Jun 24, 2013
Structure

BACK PASSENGER DOOR LATCH IS BROKEN.. *TR

NHTSA ODI #10521401

125,000 miles · Jun 18, 2013
Electrical System

LIKE MANY OTHER, MY PROBLEM IS WITH THE INSTRUMENT PANEL/CLUSTER. MY FUEL GAUGE DOESN'T WORK AND MY SPEEDOMETER IS ALL OVER THE PLACE...SOMETIMES IT SEEMS TO WORK FINE, OTHER TIMES NOT AT ALL, AND SOMETIMES IT WORKS BUT ISN'T ACCURATE. *TR

NHTSA ODI #10520572

96,000 miles · Jun 16, 2013
Fuel/propulsion System

THE VEHCLE HAS AVERY STRONG SMELL OF GASOLINE INSIDE AND OUT AND IS ALSO STARTING HARD. *TR

NHTSA ODI #10520051

81,260 miles · Mar 9, 2013
Fuel/propulsion System

I HAVE A 2003 CHEVROLET TRAILBLAZER EXT. ON 03/07/2013 IT STARTED TO LEAK FUEL WHILE PARKED IN THE GARAGE, I TOOK IT TO BEARDMORE CHEVROLET IN BELLEVUE,NEBRASKA TO HAVE IT CHECKED OUT. SERVICE WRITER TOLD ME THERE HAVE BEEN PROBLEMS WITH THE FUEL TANK FILLER NECK CRACKING AND LEAKING ALONG WITH THE FUEL PUMP LEAKING AND POOLIN…

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I HAVE A 2003 CHEVROLET TRAILBLAZER EXT. ON 03/07/2013 IT STARTED TO LEAK FUEL WHILE PARKED IN THE GARAGE, I TOOK IT TO BEARDMORE CHEVROLET IN BELLEVUE,NEBRASKA TO HAVE IT CHECKED OUT. SERVICE WRITER TOLD ME THERE HAVE BEEN PROBLEMS WITH THE FUEL TANK FILLER NECK CRACKING AND LEAKING ALONG WITH THE FUEL PUMP LEAKING AND POOLING FUEL ON TOP OF THE TANK, THEY INFORMED ME THAT GM HAD A SERVICE LETTER OUT THAT COVERED FULL REPLACEMENT OF TANK,PUMP AND LINES AT NO CHARGE FOR 10YEARS OR 150,000 MILES, I HAVE 81260 MILES AND AN IN SERVICE DATE OF 03/26/03 SO I WAS 10 DAYS OUT OF WARRANTY ON THE REPAIR. DEALER CALLED GM FOR ME AND GOT APPROVAL TO REPAIR THE TRAILBLAZER WITH ME PAYING 500.00 OF THE 2200.00 REPAIR. I TOOK THE DEAL AS THEY COULD HAVE JUST DENIED THE WHOLE CLAIM. SO PEOPLE IF YOU SMELL FUEL OF HAVE A WET FUEL TANK GET IT TO THE DEALER ASAP. GM HELPING WITH THE BILL IS BETTER THAN NOTHING. I WAS ALSO TOLD THE NEW PARTS WERE ALL UPDATED AND I SHOULD NOT HAVE THE PROBLEM AGAIN. *TR

NHTSA ODI #10502161

Mileage unknown · Feb 28, 2013
Fuel/propulsion System

JUST LIKE SO MANY OF THE OTHER PEOPLE WHO HAVE FILED COMPLAINTS. MY TRUCK TO HAS A VERY STRONG GAS SMELL. I HAVE BEEN TOLD TO REPLACE THE CAP. I HAVE BEEN TOLD TO REPLACE THE FUEL LINE OR FILTER. NOTHING WORKS. IT IS PUZZLING TO ME THAT CHEVROLET IS AWARE OF THIS PROBLEM BUT HAS NOT SENT OUT A RECALL NOTICE TO HAVE THE PROBLE…

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JUST LIKE SO MANY OF THE OTHER PEOPLE WHO HAVE FILED COMPLAINTS. MY TRUCK TO HAS A VERY STRONG GAS SMELL. I HAVE BEEN TOLD TO REPLACE THE CAP. I HAVE BEEN TOLD TO REPLACE THE FUEL LINE OR FILTER. NOTHING WORKS. IT IS PUZZLING TO ME THAT CHEVROLET IS AWARE OF THIS PROBLEM BUT HAS NOT SENT OUT A RECALL NOTICE TO HAVE THE PROBLEM FIXED. THIS IS A VERY DANGEROUS SITUATION IN WHICH I DRIVE MY FAMILY AROUND AND MY YOUNGEST DAUGHTER LIKES TO RIDE IN THE VERY BACK (THIRD ROLE SEATING). IT IS SCARY TO THINK WHAT COULD HAPPEN. CHEVROLET NEEDS TO FIX THE PROBLEM OR A CLASS ACTION LAWSUIT NEEDS TO BE STARTED. SIMPLE AS THAT. *TR

NHTSA ODI #10500848

140,000 miles · Oct 23, 2012
Structure

CHEVROLET TRAILBLAZER EXT WAS TOWED FROM HIGHWAY DUE TO A RUPTURED TRANSMISSION LINE. TOW TRUCK DRIVER TOWED VEHICLE FROM THE REAR WHEELS. UPON DELIVERING VEHICLE TO REPAIR SHOP, THE ENTIRE UPPER HATCH TRIM MOLDING (HIGH MOUNT BRAKE LIGHT COVER) PIECE AND THE HIGH MOUNT BRAKE LIGHT ASSEMBLY WAS MISSING WITH ONLY THE TWO WIRES …

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CHEVROLET TRAILBLAZER EXT WAS TOWED FROM HIGHWAY DUE TO A RUPTURED TRANSMISSION LINE. TOW TRUCK DRIVER TOWED VEHICLE FROM THE REAR WHEELS. UPON DELIVERING VEHICLE TO REPAIR SHOP, THE ENTIRE UPPER HATCH TRIM MOLDING (HIGH MOUNT BRAKE LIGHT COVER) PIECE AND THE HIGH MOUNT BRAKE LIGHT ASSEMBLY WAS MISSING WITH ONLY THE TWO WIRES DANGLING. UPON INSPECTION, THE PIECE IS ONLY HELD ON THE VEHICLE BY 2 BOLTS AND DOUBLE SIDED TAPE. THE DOUBLE SIDED TAPE ON THE REAR GLASS WAS DRY AND CRUMBLING (COMPLETELY INEFFECTIVE). SINCE THE VEHICLE WAS TRAVELING BACKWARDS BEHIND THE TOW TRUCK, THE PIECE WAS NOT ABLE TO WITHSTAND THE FORCE OF WIND WHICH PUSHED THE PIECE UPWARD UNTIL IT ULTIMATELY CRACKED AND BROKE OFF THE VEHICLE. THERE HAVE BEEN MANY REPORTS OF THIS PIECE FALLING OFF FROM TRAILBLAZER MODELS GOING FORWARD AND GM HAS DONE NOTHING TO REDESIGN OR FIX THE PROBLEM. A LARGE PLASTIC PIECE SUCH AS THAT SHOULD NOT USE 2 BOLTS AND DOUBLE SIDED TAPE AS A PRIMARY MEANS OF ATTACHMENT. AT A MINIMUM, A SAFETY NOTICE SHOULD BE SENT THAT TOWING A TRAILBLAZER FROM THE REAR AT HIGH SPEEDS MAY RESULT IN THIS PIECE BREAKING OFF, POSING A REAL SAFETY CONCERN (FLYING HIGHWAY DEBRIS) TO THE FOLLOWING VEHICLE(S). PARTS ARE FALLING OFF VEHICLES AND NO ONE BUT THE DISGRUNTLED OWNERS SEEM TO CARE. *TR

NHTSA ODI #10482023

139,000 miles · Sep 17, 2012
Service Brakes, HydraulicStructure

DRIVING APPROX 70MPH ON THE HIGHWAY, SUDDENLY HEARD A "WHAP WHAP WHAP" NOISE COMING FROM THE BACK OF THE VEHICLE. I SLOWED DOWN, AND THE SOUND DIMINISHED. ARRIVING HOME, I FOUND THAT THE CENTER BRAKE LIGHT ASSEMBLY HAD COME LOOSE AT BOTH ENDS. THE TWO CENTER CONNECTIONS LUCKILY HELD, OR ELSE THE PIECE WOULD HAVE COME OFF THE …

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DRIVING APPROX 70MPH ON THE HIGHWAY, SUDDENLY HEARD A "WHAP WHAP WHAP" NOISE COMING FROM THE BACK OF THE VEHICLE. I SLOWED DOWN, AND THE SOUND DIMINISHED. ARRIVING HOME, I FOUND THAT THE CENTER BRAKE LIGHT ASSEMBLY HAD COME LOOSE AT BOTH ENDS. THE TWO CENTER CONNECTIONS LUCKILY HELD, OR ELSE THE PIECE WOULD HAVE COME OFF THE CAR AND POSSIBLY CAUSED AN ACCIDENT. I HAVE READ THAT OTHER TRAILBLAZERS HAVE HAD THE SAME ISSUE. *TR

NHTSA ODI #10475663

193,843 miles · Aug 30, 2012
Visibility

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAIL BLAZER EXT. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE FRONT DRIVER SIDE WINDOW FAILED. THE CONTACT STATED THAT SHE TRIED TO ROLL THE WINDOW DOWN BUT IT FAILED. THE CONTACT LET THE VEHICLE SIT FOR A FEW HOURS AND THE WINDOWS BEGAN TO WORK. THE FAILURE RECURRED A FEW TIMES AFTER.…

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TL* THE CONTACT OWNS A 2003 CHEVROLET TRAIL BLAZER EXT. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE FRONT DRIVER SIDE WINDOW FAILED. THE CONTACT STATED THAT SHE TRIED TO ROLL THE WINDOW DOWN BUT IT FAILED. THE CONTACT LET THE VEHICLE SIT FOR A FEW HOURS AND THE WINDOWS BEGAN TO WORK. THE FAILURE RECURRED A FEW TIMES AFTER. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR INSPECTION. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE SINCE THE VEHICLE WAS NOT INCLUDED ON ANY RECALLS. THE FAILURE MILEAGE WAS 193,843.

NHTSA ODI #10473007

745,200 miles · Jul 26, 2012
Seat Belts

THE PASSENGERS SIDE SEAT BELT LOCKED UP AND WOULD NOT COME OUT AT ALL RENDERING IT COMPLETELY USELESS. WE TOOK THE CAR TO A CHEVY DEALER AS WE WERE TOLD THAT BECAUSE THE SEAT BELT IS A SAFETY ISSUE IT SHOULD BE COVERED, HOWEVER WE WERE TOLD IT IS NOT COVERED AND GIVEN AN ESTIMATE OF ALMOST $300 TO REPAIR IT. *TR

NHTSA ODI #10467869

Official recalls

3

05V494000 · Latches/locks/linkages:doors:latch

Oct 27, 2005

CERTAIN SPORT UTILITY VEHICLES HAVE A REAR SIDE CLOSURE LATCH THAT MAY NOT LATCH OR UNLATCH DUE TO CORROSION CAUSED BY ROAD SPLASH, SUCH AS WATER AND ROAD SALT. THESE VEHICLES WERE ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA.

Consequence & remedy

Consequence: IF THE DOOR IS NOT LATCHED PROPERLY AND IT GOES UNNOTICED, IT MAY OPEN WHILE THE VEHICLE IS IN MOTION. IF AN UNBELTED OCCUPANT FELL OUT OF THE VEHICLE, PERSONAL INJURIES COULD OCCUR.

Remedy: DEALERS WILL INSTALL A SEAL ALONG THE LOWER PART OF THE ROCKER PANEL TO PREVENT INTRUSION OF CORROSIVE MATERIAL, AND INSPECT THE REAR SIDE CLOSURE LATCHES. FUNCTIONAL LATCHES WILL BE CLEANED AND LUBRICATED. NON-FUNCTIONING LATCHES WILL BE REPLACED. THE RECALL BEGAN ON FEBRUARY 24, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR ISUZU AT 1-800-255-6727.

04V527000 · Exterior Lighting:brake Lights

Nov 1, 2004

ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.

Consequence & remedy

Consequence: AN INOPERATIVE BRAKE LAMP WILL NOT CONVEY THE DRIVER'S INTENTION OF STOPPING TO DRIVERS IN FOLLOWING VEHICLES, AND AN INOPERATIVE REAR TURN SIGNAL LAMP WILL NOT CONVEY THE DRIVER'S INTENTION TO TURN TO DRIVERS IN FOLLOWING VEHICLES. BOTH OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL INSPECT THE TAIL LAMP/STOP LAMP ASSEMBLIES, AND IF NECESSARY, REPLACE THEM. THE RECALL BEGAN ON NOVEMBER 22, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, BUICK AT 1-866-608-8080, OR GMC AT 1-866-996-9463.

04V046000 · Visibility:windshield Wiper/washer

Feb 4, 2004

CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOUS WINDSHIELD WASHER PUMP OPERATION BECAUSE THE PRESENCE OF WATER WITHIN THE WIPER MODULES CAN EITHER CAUSE A SHORT CIRCUIT OR CAN LEAD TO THE CORROSION OF COMPONENTS WITHIN THE MODULE.

Consequence & remedy

Consequence: DEPENDING ON THE OCCURRENCE AND WEATHER SITUATION, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL COVER THE WINDSHIELD WIPER MODULE VENT HOLE WITH A PATCH. ALSO, THE WIPER MOTOR, CIRCUIT BOARD, AND ELECTRICAL CONNECTOR WILL BE INSPECTED TO SIGNS OF WATER INTRUSION AND/OR CORROSION AND BE REPLACED AS REQUIRED. THE RECALL BEGAN JULY 6, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438; OLDSMOBILE AT 1-800-630-6537; OR GMC AT 1-866-996-9463.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

6

RQ17002 · 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.

PE07014 · Fuel Tank Leak

Opened Mar 13, 2007 · Closed Jun 12, 2007

Status: closed (inferred from source dates) · Fuel System, Gasoline:storage:tank Assembly; Fuel System, Other:delivery:hoses, Lines/piping, And Fittings

IN JUNE 2007, GM WILL EXPAND ITS SPECIAL POLICY TO ADDRESS FUEL TANK INLET CHECK VALVE (ICV) FRACTURES ON CERTAIN MODEL YEAR (MY) TRAILBLAZER EXT AND GMC ENVOY XL VEHICLES.THE EXPANDED POLICY COVERS MY 2002-2004 TRAILBLAZER EXT, GMC ENVOY XL, AND GMC ENVOY XUV VEHICLES AND WILL EXTEND FOR A PERIOD OF 10 YEARS OR 150,000 MILES (WHICHEVER COMES FIRST).GM WILL PROVIDE FREE REPAIR OF THE FUEL TANK. IT IS SENDING LETTERS TO OWNERS BEGINNING IN JUNE OF 2007.THIS ACTION SUPERSEDES GM'S PREVIOUS 7 YEAR/70,000 MILE SPECIAL POLICY FOR MY 2002 TRAILBLAZER EXT AND ENVOY XL VEHICLES.THE CONDITION IS MOST OFTEN REPORTED AS ILLUMINATION OF THE SERVICE ENGINE SOON (SES) LIGHT.THE VEHICLE'S DIAGNOSTIC SYSTEM DETECTS THE PRESENCE OF A FUEL SYSTEM PRESSURE LEAK AND ILLUMINATES THE SES LIGHT.OTHER OWNERS REPORT SMELLING GASOLINE FUMES. THE ACTION TAKEN BY THE MANUFACTURER IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.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.

Additional source detail variants (2)

Fuel System, Gasoline:storage:tank Assembly

IN JUNE 2007, GM WILL EXPAND ITS SPECIAL POLICY TO ADDRESS FUEL TANK INLET CHECK VALVE (ICV) FRACTURES ON CERTAIN MODEL YEAR (MY) TRAILBLAZER EXT AND GMC ENVOY XL VEHICLES.THE EXPANDED POLICY COVERS MY 2002-2004 TRAILBLAZER EXT, GMC ENVOY XL, AND GMC ENVOY XUV VEHICLES AND WILL EXTEND FOR A PERIOD OF 10 YEARS OR 150,000 MILES (WHICHEVER COMES FIRST).GM WILL PROVIDE FREE REPAIR OF THE FUEL TANK. IT IS SENDING LETTERS TO OWNERS BEGINNING IN JUNE OF 2007.THIS ACTION SUPERSEDES GM'S PREVIOUS 7 YEAR/70,000 MILE SPECIAL POLICY FOR MY 2002 TRAILBLAZER EXT AND ENVOY XL VEHICLES.THE CONDITION IS MOST OFTEN REPORTED AS ILLUMINATION OF THE SERVICE ENGINE SOON (SES) LIGHT.THE VEHICLE'S DIAGNOSTIC SYSTEM DETECTS THE PRESENCE OF A FUEL SYSTEM PRESSURE LEAK AND ILLUMINATES THE SES LIGHT.OTHER OWNERS REPORT SMELLING GASOLINE FUMES. THE ACTION TAKEN BY THE MANUFACTURER IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.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.

Fuel System, Other:delivery:hoses, Lines/piping, And Fittings

IN JUNE 2007, GM WILL EXPAND ITS SPECIAL POLICY TO ADDRESS FUEL TANK INLET CHECK VALVE (ICV) FRACTURES ON CERTAIN MODEL YEAR (MY) TRAILBLAZER EXT AND GMC ENVOY XL VEHICLES.THE EXPANDED POLICY COVERS MY 2002-2004 TRAILBLAZER EXT, GMC ENVOY XL, AND GMC ENVOY XUV VEHICLES AND WILL EXTEND FOR A PERIOD OF 10 YEARS OR 150,000 MILES (WHICHEVER COMES FIRST).GM WILL PROVIDE FREE REPAIR OF THE FUEL TANK. IT IS SENDING LETTERS TO OWNERS BEGINNING IN JUNE OF 2007.THIS ACTION SUPERSEDES GM'S PREVIOUS 7 YEAR/70,000 MILE SPECIAL POLICY FOR MY 2002 TRAILBLAZER EXT AND ENVOY XL VEHICLES.THE CONDITION IS MOST OFTEN REPORTED AS ILLUMINATION OF THE SERVICE ENGINE SOON (SES) LIGHT.THE VEHICLE'S DIAGNOSTIC SYSTEM DETECTS THE PRESENCE OF A FUEL SYSTEM PRESSURE LEAK AND ILLUMINATES THE SES LIGHT.OTHER OWNERS REPORT SMELLING GASOLINE FUMES. THE ACTION TAKEN BY THE MANUFACTURER IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.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.

PE07013 · Fuel Pump Module Leaks Gasoline

Opened Mar 12, 2007 · Closed Jul 10, 2007

Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:fuel Pump

ODI HAS RECEIVED REPORTS THAT THE FUEL PUMP MODULE LEAKS FUEL AND OR VAPOR UNDERNEATH THE VEHICLE.GM STATES, THE FAILURE MECHANISM IS CORROSION OF THE FUEL PUMP MODULE FLANGE WHICH MAY LEAD TO A FUEL LEAK.CORROSION OF THE FUEL PUMP MODULE FLANGE IS THE RESULT OF THE VEHICLE OPERATING IN A CORROSIVE ENVIRONMENT.ODI HAS UPGRADED THIS PE TO ENGINEERING ANALYSIS (EA07-009) TO FURTHER ASSESS THIS ISSUE.

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.

PE04001 · Fuel Spillage During Refueling

Opened Jan 5, 2004 · Closed May 7, 2004

Status: closed (inferred from source dates) · Fuel System, Gasoline:storage; Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

THIS INVESTIGATION WAS OPENED ON THE MODEL YEAR (MY) 2003 CHEVROLET TRAILBLAZER.BASED ON GM'S INFORMATION REQUEST (IR) RESPONSE, ODI ADDED TO ITS ANALYSIS THE MY 2003 GMC ENVOY AND OLDSMOBILE BRAVADA VEHICLES.THESE VEHICLES SHARE THE SAME VEHICLE PLATFORM (GM 360/370) AND FUEL FILL COMPONENTS.INCIDENT SUMMARY NUMBERS REPORTED ABOVE INCLUDE THESE VEHICLES.EPA REGULATES THE FUEL DISPENSING RATES AT FILLING STATIONS AND GM STATES THAT THE REPORTS OF SPITBACK FOR THE SUBJECT VEHICLES ARE PRINCIPALLY CAUSED BY FUEL DISPENSING PUMPS EXCEEDING THE RATE SPECIFIED BY EPA.ODI FINDS THAT THE RATE OF COMPLAINTS, FIELD REPORTS AND WARRANTY IS LOW COMPARED TO OTHER VEHICLES THAT HAVE BEEN RECALLED FOR A SPITBACK ISSUE.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF THE AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.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.SEE ATTACHED REPORT FOR ADDITIONAL INFORMATION.

Additional source detail variants (2)

Fuel System, Gasoline:storage

THIS INVESTIGATION WAS OPENED ON THE MODEL YEAR (MY) 2003 CHEVROLET TRAILBLAZER.BASED ON GM'S INFORMATION REQUEST (IR) RESPONSE, ODI ADDED TO ITS ANALYSIS THE MY 2003 GMC ENVOY AND OLDSMOBILE BRAVADA VEHICLES.THESE VEHICLES SHARE THE SAME VEHICLE PLATFORM (GM 360/370) AND FUEL FILL COMPONENTS.INCIDENT SUMMARY NUMBERS REPORTED ABOVE INCLUDE THESE VEHICLES.EPA REGULATES THE FUEL DISPENSING RATES AT FILLING STATIONS AND GM STATES THAT THE REPORTS OF SPITBACK FOR THE SUBJECT VEHICLES ARE PRINCIPALLY CAUSED BY FUEL DISPENSING PUMPS EXCEEDING THE RATE SPECIFIED BY EPA.ODI FINDS THAT THE RATE OF COMPLAINTS, FIELD REPORTS AND WARRANTY IS LOW COMPARED TO OTHER VEHICLES THAT HAVE BEEN RECALLED FOR A SPITBACK ISSUE.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF THE AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.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.SEE ATTACHED REPORT FOR ADDITIONAL INFORMATION.

Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

THIS INVESTIGATION WAS OPENED ON THE MODEL YEAR (MY) 2003 CHEVROLET TRAILBLAZER.BASED ON GM'S INFORMATION REQUEST (IR) RESPONSE, ODI ADDED TO ITS ANALYSIS THE MY 2003 GMC ENVOY AND OLDSMOBILE BRAVADA VEHICLES.THESE VEHICLES SHARE THE SAME VEHICLE PLATFORM (GM 360/370) AND FUEL FILL COMPONENTS.INCIDENT SUMMARY NUMBERS REPORTED ABOVE INCLUDE THESE VEHICLES.EPA REGULATES THE FUEL DISPENSING RATES AT FILLING STATIONS AND GM STATES THAT THE REPORTS OF SPITBACK FOR THE SUBJECT VEHICLES ARE PRINCIPALLY CAUSED BY FUEL DISPENSING PUMPS EXCEEDING THE RATE SPECIFIED BY EPA.ODI FINDS THAT THE RATE OF COMPLAINTS, FIELD REPORTS AND WARRANTY IS LOW COMPARED TO OTHER VEHICLES THAT HAVE BEEN RECALLED FOR A SPITBACK ISSUE.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF THE AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.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.SEE ATTACHED REPORT FOR ADDITIONAL INFORMATION.