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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
73,800 miles · Sep 12, 2006
Power Train

TRANS COOLANT LINES RUBBED AGAINST CAT CONVERTER, CAUSING LEAKS. 4 - 4.5 QTS OF TRANS FLUID LEAKED OUT. TRANS OVERHEATED AND FAILED ON THE HIGHWAY, CAUSING VEHICLE TO STOP IN AN UNSAFE LOCATION. TRANSMISSION HAD TO BE REPLACED. *NM

NHTSA ODI #10168057

400,050 miles · Aug 26, 2006
Power TrainService Brakes, HydraulicVisibility

MULTIPLE PROBLEMS WITH THIS VEHICLE WITH ONLY 40,000 MILES ON IT! POWER WINDOW ASSEMBLY BROKE AND REPAIRED TWICE ON THE SAME DOOR, INOPERABLE CLIMATE CONTROL UNIT, FRONT DASHBOARD GETS EXTREMELY HOT AT ALL TIMES, BRAKES SQUEAL ALL THE TIME (DEALER COULD NOT FIGURE IT OUT AND WAS REMEDIED WITH CERAMIC BRAKE PADS AFTER MULTIPLE A…

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MULTIPLE PROBLEMS WITH THIS VEHICLE WITH ONLY 40,000 MILES ON IT! POWER WINDOW ASSEMBLY BROKE AND REPAIRED TWICE ON THE SAME DOOR, INOPERABLE CLIMATE CONTROL UNIT, FRONT DASHBOARD GETS EXTREMELY HOT AT ALL TIMES, BRAKES SQUEAL ALL THE TIME (DEALER COULD NOT FIGURE IT OUT AND WAS REMEDIED WITH CERAMIC BRAKE PADS AFTER MULTIPLE ATTEMPTS), TRANSMISSION HAS POOR SHIFTING PATTERN (BULLETIN PROVIDED A NEW SHIFT PROGRAM FOR THE TRANSMISSION AND THE DEALER INSTALLED BUT IS RIGHT BACK TO IT'S ORIGINAL PROBLEM AFTER 3 MONTHS). *JB

NHTSA ODI #10166610

50,000 miles · Aug 24, 2006
Visibility

DRIVER/PASSENGER ELECTRIC WINDOW MALFUNCTIONS IN THAT WINDOW WILL FALL/LOWER ITSELF. DEALER STATED THE ELECTRIC REGULATORS THAT AID/ASSIST THE WINDOW IN RAISING/LOWERING CONTINUE TO MALFUNCTION. *JB

NHTSA ODI #10166481

15,800 miles · Aug 23, 2006
Structure

THE ROOF RACK TO MY 2003 CHEVROLET TRAILBLAZER BLEW OFF WHILE DRIVING HOME FROM THE SHORE ON THE ATLANTIC CITY EXPRESSWAY. THERE WAS NO PRIOR DAMAGE OR ACCIDENT TO THE VEHICLE TO CAUSE SUCH A PROBLEM. WE WERE INFORMED THAT OUR CAR WAS NOT THE FIRST CASE. THE DEALER DID FIX THE ROOF RACK BUT I'M CONCERNED THAT IT WILL HAPPEN…

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THE ROOF RACK TO MY 2003 CHEVROLET TRAILBLAZER BLEW OFF WHILE DRIVING HOME FROM THE SHORE ON THE ATLANTIC CITY EXPRESSWAY. THERE WAS NO PRIOR DAMAGE OR ACCIDENT TO THE VEHICLE TO CAUSE SUCH A PROBLEM. WE WERE INFORMED THAT OUR CAR WAS NOT THE FIRST CASE. THE DEALER DID FIX THE ROOF RACK BUT I'M CONCERNED THAT IT WILL HAPPEN AGAIN IF NO ADJUSTMENTS ARE MADE TO THE DESIGN. THERE IS A GLUE STRIP THAT HOLDS THE BOTTOM PORTION IN PLACE. THIS IS AN ACCIDENT WAITING TO HAPPEN. *JB

NHTSA ODI #10166376

42,683 miles · Aug 21, 2006
Fuel System, Gasoline

SES LIGHT CAME ON. GAS CAP REPLACED. SES LIGHT CAME ON AGAIN AFTER FILL UP AND 1/4 TANK OF GAS USED. CLAMPS TIGHTENED ON FILLER TUBE. SES LIGHT CAME ON AGAIN AFTER FILL UP AND 1/4 TANK OF GAS USED. WENT TO DEALER, REPLACE VENT VALVE IN FILLER TUBE ON MONDAY. TUESDAY MORNING FILLED UP WITH GAS. GAS WAS LEAKING OUT ON THE G…

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SES LIGHT CAME ON. GAS CAP REPLACED. SES LIGHT CAME ON AGAIN AFTER FILL UP AND 1/4 TANK OF GAS USED. CLAMPS TIGHTENED ON FILLER TUBE. SES LIGHT CAME ON AGAIN AFTER FILL UP AND 1/4 TANK OF GAS USED. WENT TO DEALER, REPLACE VENT VALVE IN FILLER TUBE ON MONDAY. TUESDAY MORNING FILLED UP WITH GAS. GAS WAS LEAKING OUT ON THE GROUND AND ALL OVER MY FEET. BROUGHT BACK TO DEALER, THEY SAID THE SEAL ON THE FILLER PIPE ENTERING THE TANK HAD DETERIOATED BECAUSE OF THE CHEMICALS IN THE GASOLINE, AND THAT WAS THE REASON FOR THE BREAK. I DO NOT BELIEVE THAT BECAUSE THE WEEK BEFORE THE REPAIR I FILLED THE TANK & IT DID NOT LEAK, THE DAY AFTER THE REPAIR I FILLED THE TANK AND DISCOVERED THE HAZARDOUS LEAK. THE DEALER DISCLAIMED ALL LIABILITY FOR THE BROKEN FILLER TUBE AT THE GAS TANK. I CONSIDER THIS AN EXTREME SAFETY HAZARD AND THE MANUFACTURER SHOULD RECALL ALL CHEVROLET TRAIL-BLAZERS WITH THIS TYPE OF VENT AND FILLER TUBE PROBLEM, BECAUSE WHEN I LOOKED AT MY TANK THERE WAS ANOTHER TANK IN THE GARBAGE PILE WITH THE SAME FAILURE. THERE WAS NO FIRE BECAUSE I EXITED THE SITE IMMEDIATELY TO PREVENT A SPARK FROM IGNITING THE SPILLED FUEL. *JB

NHTSA ODI #10166103

Mileage unknown · Aug 17, 2006
Visibility

DT*: THE CONTACT STATED WHEN THE REAR RIGHT AUTOMATIC WINDOW WAS OPENED, THERE WAS A GROANING NOISE, FOLLOWED CLOSELY BY THE WINDOW SLIDING OPEN WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A SERVICE DEALER, WHERE IT WAS DETERMINED THAT THE WINDOW MOTOR NEEDED REPLACEMENT.

NHTSA ODI #10165718

Mileage unknown · Aug 15, 2006
Fuel System, Gasoline

I OWN A 2003 CHEVY TRAILBLAZER. A MONTH AFTER WE PURCHASED IT WE FOUND OUT THE VEHICLE LEAKS FUEL WHEN ON A DRIVEWAY INCLINE. THE CHECK ENGINE LIGHT CAME ON AND I TOOK THE VEHICLE TO A MECHANIC. THEY SAID IT WAS CODE ON P0440 -EVAP LEAK SMALL. WHEN THEY CHECKED IT OUT THEY FOUND A CRACK AROUND FILLER NECK OF GAS TANK. THEY …

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I OWN A 2003 CHEVY TRAILBLAZER. A MONTH AFTER WE PURCHASED IT WE FOUND OUT THE VEHICLE LEAKS FUEL WHEN ON A DRIVEWAY INCLINE. THE CHECK ENGINE LIGHT CAME ON AND I TOOK THE VEHICLE TO A MECHANIC. THEY SAID IT WAS CODE ON P0440 -EVAP LEAK SMALL. WHEN THEY CHECKED IT OUT THEY FOUND A CRACK AROUND FILLER NECK OF GAS TANK. THEY SAID THERE WAS ALREADY A TECH SERVICE BULLETIN THAT SAID A SMALL CRACK OCCURS ABOVE FLUID LEVEL. GAS TANK NEEDS TO BE REPLACED. I CALLED A DEALERSHIP AND APPARENTLY THESE GAS TANKS ARE HARD TO COME BY BECAUSE THEY ARE BACK ORDERED DUE TO THIS BEING SO COMMON ON THIS VEHICLE. *JB

NHTSA ODI #10165582

76,000 miles · Jul 24, 2006
Structure

DT*: THE CONTACT STATED, WHILE DRIVING OR PARKED, THE VEHICLE LEAKS WATER FROM RAIN AND PUDDLES ON THE ROAD INTO THE INTERIOR OF THE VEHICLE. THE FIRST LEAK ENTERED THROUGH THE LEFT REAR DOOR. WHILE THE SECOND LEAK ENTERED FROM THE LEFT REAR WHEEL FENDER SHIELDING. THE WATER FROM THE LEAKS CAUSED MOLD IN THE CARPETING OF THE VE…

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DT*: THE CONTACT STATED, WHILE DRIVING OR PARKED, THE VEHICLE LEAKS WATER FROM RAIN AND PUDDLES ON THE ROAD INTO THE INTERIOR OF THE VEHICLE. THE FIRST LEAK ENTERED THROUGH THE LEFT REAR DOOR. WHILE THE SECOND LEAK ENTERED FROM THE LEFT REAR WHEEL FENDER SHIELDING. THE WATER FROM THE LEAKS CAUSED MOLD IN THE CARPETING OF THE VEHICLE. THE MANUFACTURER DETERMINED THE VEHICLE WAS BEYOND THE WARRANTY LIMITATIONS. THE DEALER OFFERED TO REPAIR AND REPLACE THE CARPETING AT THE OWNER'S EXPENSE.

NHTSA ODI #10163281

20,000 miles · Jul 16, 2006
Fuel System, Gasoline

WHEN FILLING THE GAS TANK, FREQUENTLY THE PUMP CLICKS OFF AND GAS SURGES UP THE FILLER NECK AND FLOWS TO THE GROUND. HAPPENS AT DIFFERENT GAS STATIONS AND DIFFERENT PUMPS. *JB

NHTSA ODI #10162521

47,500 miles · May 22, 2006
Electrical System

WHILE DRIVING ABOUT 70 MPH MY SPEED HAND JUMPED TO 110 RPM, WHEN I GOT HOME AND TURNED OFF THE VEHICLE THE HAND WAS READING 60 MPH. THIS HAS HAPPENED THREE TIMES. I CALLED THE DEALER AND THEY SAID THEY HAVE HAD THIS PROBLEM SEVERAL TIMES IN TRAILBLAZERS. *JB

NHTSA ODI #10157973

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.