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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.

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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
108,000 miles · Sep 9, 2011
Electrical System

THE GAUGES STARTED FAILING ONE AT A TIME. FIRST THE OIL AND BATTERY NEEDLES MOVED TO THE FAR RIGHT AND BURIED OFF THE CHART. NOW THE SPEED IS READING 90MPH AT A STOP LIGHT AND 10MPH ON THE INTERSTATE. THE CLUSTER IS GONE AND THE WHOLE DRIVER DASHBOARD IS FAILING. THE GAS AND OIL GAGUES I FEAR ARE NEXT. ACCORDING TO DEALER …

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THE GAUGES STARTED FAILING ONE AT A TIME. FIRST THE OIL AND BATTERY NEEDLES MOVED TO THE FAR RIGHT AND BURIED OFF THE CHART. NOW THE SPEED IS READING 90MPH AT A STOP LIGHT AND 10MPH ON THE INTERSTATE. THE CLUSTER IS GONE AND THE WHOLE DRIVER DASHBOARD IS FAILING. THE GAS AND OIL GAGUES I FEAR ARE NEXT. ACCORDING TO DEALER THEY KNOW THERE IS A PROBLEM, BUT THEY HAVE NO PROBLEM CHARGING UP TO $600 TO FIX THE SITUATION. THIS IS MECHANICAL AND NOT CAUSED BY THE OWNER. THERE ARE BLOGS ALL OVER THE PLACE ON THE SAME PROBLEM. *TR

NHTSA ODI #10424413

268,842 miles · Sep 6, 2011
Vehicle Speed Control

I WAS DRIVING TO WORK WHEN ALL OF A SUDDEN I REALIZE THAT MY SPEED ODOMETER WASN'T WORKING AND I HAD TO PUSH THE BRAKES BECAUSE IT FELT THAT I WAS GOING TO FAST AND THE SPEED LIMIT WAS 35 HOWEVER MY SPEED ODOMETER WAS STUCK ON 10MPH.... BUT IT WAS PROBABLY GOING AT ABOUT 55 MPH... *TR

NHTSA ODI #10423910

120,000 miles · Aug 23, 2011
Fuel System, Gasoline

LEAK OF GAS FROM 2003 CHEVROLET TRAILBLAZER. POINT WHERE FILLER NECK CONNECTS TO GAS TANK. IT IS DEFECTIVE PART AND LEAKS GAS UNDER DRIVER SIDE DOOR. *TR

NHTSA ODI #10421216

130,000 miles · Aug 18, 2011
Unknown Or OtherVisibility

I WAS AT WORK ON 8-18-2011 WHEN CO WORKERS ASKED ME IF I HAD A BLACK CHEVY TRAILBLAZER BECAUSE SOMEONE SAW MY REAR WINDOW EXPLODE. I WENT OUTSIDE AND THERE WAS GLASS ALL OVER THE GROUND OUTSIDE AND MY WINDOW WAS BROKEN IN LITTLE PIECES. I CAME HOME AND SEARCHED THE WEB FOR SIMILAR PROBLEMS. I FOUND THIS HAD HAPPENED TO OTHER PE…

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I WAS AT WORK ON 8-18-2011 WHEN CO WORKERS ASKED ME IF I HAD A BLACK CHEVY TRAILBLAZER BECAUSE SOMEONE SAW MY REAR WINDOW EXPLODE. I WENT OUTSIDE AND THERE WAS GLASS ALL OVER THE GROUND OUTSIDE AND MY WINDOW WAS BROKEN IN LITTLE PIECES. I CAME HOME AND SEARCHED THE WEB FOR SIMILAR PROBLEMS. I FOUND THIS HAD HAPPENED TO OTHER PEOPLE AND THERE WAS A NUMBER TO CONTACT THE MANUFACTURER. I CALLED THEM BUT THEY TOLD ME THERE AREN'T ANY OPEN RECALLS PERTAINING TO THIS TYPE OF PROBLEM. *KB

NHTSA ODI #10420048

149,000 miles · Aug 10, 2011
Fuel System, Gasoline

I HAVE A 2003 CHEVY TRAILBLAZER EXT THE FUEL PUMP MODULE HAS STARTED TO CORRODE, I KNEW SOMETHING WAS WRONG BECAUSE OF THE STRONG ODOR OF GASOLINE INSIDE THE VEHICLE AND FURTHER INVESTIGATION SHOWED A LEAK OF GAS ALSO.THIS IS IN ADDITION TO OUR GAS GAUGE NOT WORKING FOR THE LAST 3 YEARS. UPON TALKING TO MULTIPLE REP'S, GM CLAI…

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I HAVE A 2003 CHEVY TRAILBLAZER EXT THE FUEL PUMP MODULE HAS STARTED TO CORRODE, I KNEW SOMETHING WAS WRONG BECAUSE OF THE STRONG ODOR OF GASOLINE INSIDE THE VEHICLE AND FURTHER INVESTIGATION SHOWED A LEAK OF GAS ALSO.THIS IS IN ADDITION TO OUR GAS GAUGE NOT WORKING FOR THE LAST 3 YEARS. UPON TALKING TO MULTIPLE REP'S, GM CLAIMS THEY SENT OUT LETTERS IN 2007 ALERTING THE CONSUMER TO A POTENTIAL PROBLEM. I AM THE SECOND OWNER OF THIS VEHICLE. I PURCHASED THIS VEHICLE IN SEPTEMBER 2005. GM STATED THAT LETTERS DO GET LOST IN THE MAIL, WHEN I STATED WE WERE NOT MADE AWARE OF THIS SITUATION. I WAS NEVER INFORMED OF THIS POTENTIAL HAZARD WAITING TO HAPPEN. GM CLAIMS THE SERVICE BULLETIN HAD PARAMETERS OF 10 YEARS OR A 120, 000 MILES WHICH EVER COMES FIRST. I HAVE BEEN IN CONTACT WITH THE REP SEVERAL TIMES, AND HAVE NOT BEEN SUCCESSFUL. I DO HAVE 149,000 PLUS MILES ON THIS VEHICLE. I TOOK THE TRUCK TO THE LOCAL DEALERSHIP, THEY WERE CLAIMING NOTHING HAS EVER BEEN DOCUMENTED ON THIS TYPE OF VEHICLE. THIS IS WHEN I DID MY OWN RESEARCH AND FOUND THE SERVICE BULLETIN AS MENTIONED ABOVE AND THE COMPLAINTS OF THIS SAME PROBLEM ALL THROUGH THE INTERNET BLOGS. IT SEEMS WE ARE NOT GETTING ANYWHERE AND WOULD APPRECIATE SOME CONDSIDERATION FROM GM AND TAKING PART OF THE RESPONSIBILITY FOR THIS PROBLEM. WE HAD OUR CHILDREN IN THIS CAR WHEN THE GAS WAS LEAKING OUT, WHAT IF IT WOULD HAVE CAUGHT ON FIRE? I WOULD LIKE TO CONTACT OUR REGIONAL REPRESENTATIVE FOR GM. *TR

NHTSA ODI #10418467

5,000 miles · Jul 28, 2011
Electrical System

ALL ELECTRONIC GAUGES WITHIN THE INSTRUMENT CLUSTER FAILED AT RANDOM TIMES AND VERY FREQUENTLY, LEADING TO THE CLUSTERS' CURRENT STATE, WHICH IS ALL GAUGES ARE NON-OPERATIONAL (DEAD). HAZARDOUS CONDITION CAUSED DUE TO SPEEDOMETER FAILURE. CHEVY REPLACED THE INSTRUMENT CLUSTER TWO TIMES WHILE UNDER 36/36 MFG WARRANTY. CHEVY…

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ALL ELECTRONIC GAUGES WITHIN THE INSTRUMENT CLUSTER FAILED AT RANDOM TIMES AND VERY FREQUENTLY, LEADING TO THE CLUSTERS' CURRENT STATE, WHICH IS ALL GAUGES ARE NON-OPERATIONAL (DEAD). HAZARDOUS CONDITION CAUSED DUE TO SPEEDOMETER FAILURE. CHEVY REPLACED THE INSTRUMENT CLUSTER TWO TIMES WHILE UNDER 36/36 MFG WARRANTY. CHEVY REFUSES TO REPLACE CURRENT INSTRUMENT CLUSTER SINCE 36/36 HAS PASSED. *TR

NHTSA ODI #10415564

207,000 miles · Jun 29, 2011
Fuel System, Gasoline

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT. THE CONTACT STATED THAT THE FUEL TANK WAS RUSTED AND AS A RESULT, WAS LEAKING LARGE AMOUNTS OF FUEL. THE DEALER AND MANUFACTURER WERE CONTACTED BUT WERE UNABLE TO PROVIDE ASSISTANCE TO THE CONTACT. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 207,000 AND THE CURR…

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TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT. THE CONTACT STATED THAT THE FUEL TANK WAS RUSTED AND AS A RESULT, WAS LEAKING LARGE AMOUNTS OF FUEL. THE DEALER AND MANUFACTURER WERE CONTACTED BUT WERE UNABLE TO PROVIDE ASSISTANCE TO THE CONTACT. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 207,000 AND THE CURRENT MILEAGE WAS 209,000. UPDATED 07/26/11 *BF UPDATED 08/02/11

NHTSA ODI #10409325

Mileage unknown · Jun 18, 2011
Electrical System

2003 TRAILBLAZER EXT 4X4 LOADED PURCHASED NEW 5-2004 STICKER $ 42,000 I HAVE OWNED 14 VEHICLES AND HAVE NEVER HAD ONE WITH THE PROBLEMS THIS TRUCK HAS. GM HAS DESIGNED ENGINEERED AND SOLD AN UNRELIABLE UNSAFE AUTOMOBILE. 1. ELECTRICAL ISSUES: REAR BRAKE LAMP BOARDS REPLACED 3 TIMES, RADIO REPLACED, HEADLAMP SOCKETS MELTED, BRAK…

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2003 TRAILBLAZER EXT 4X4 LOADED PURCHASED NEW 5-2004 STICKER $ 42,000 I HAVE OWNED 14 VEHICLES AND HAVE NEVER HAD ONE WITH THE PROBLEMS THIS TRUCK HAS. GM HAS DESIGNED ENGINEERED AND SOLD AN UNRELIABLE UNSAFE AUTOMOBILE. 1. ELECTRICAL ISSUES: REAR BRAKE LAMP BOARDS REPLACED 3 TIMES, RADIO REPLACED, HEADLAMP SOCKETS MELTED, BRAKE LAMP BULB BASE MELTED. 2. CAR LOSS ALL POWER WHILE DRIVING WIFE HAD TO SIT IN MIDDLE OF ROAD UNTIL TOW TRUCK CAME. TRUCK ONLY 2YRS OLD AT THAT TIME CAUSE OF PROBLEM IGNITION SWITCH. 3. ELECTRONIC FAN CLUTCH REPLACED TWICE 10-10 AND 6-11 HAD TO BATTLE DEALERSHIP TO COVER BASED ON PROBLEM AND GET ATTORNEY INVOLVED COST TO REPLACE WITH DIAG. $700.00. 4. SWAY BAR LINK PIN KIT REPLACED TWICE. 5. 4X4 TRANSFER CASE WILL NOT GO INTO 4-WHEEL DRIVE 2-WHEEL DRIVE ONLY WHEN YOU SELECT 4-WHEEL DRIVE TRUCK WILL NOT MOVE AND MAKES INTERNAL NOISE.TRAILBLAZER HAS A TOTAL OF 115,000 MILES. JUST TO MAKE A COMPARISON I PURCHASED IN 2001 A NEW TOYOTA TACOMA TRUCK IT HAS 176,000 MILES ON THE ODOMETER.OTHER THAN STANDARD MAINTENANCE NO ISSUES AT ALL. *TR

NHTSA ODI #10407362

78,000 miles · May 26, 2011
Power TrainSteering

TL*THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 20 MPH, THE STEERING WHEEL BECAME STIFF AND EXTREMELY DIFFICULT TO MANEUVER. THE TRANSMISSION LINES LEAKED AN EXCESSIVE AMOUNT OF FLUID. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE POWER STEERING AND TRANSMISSION LINE…

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TL*THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 20 MPH, THE STEERING WHEEL BECAME STIFF AND EXTREMELY DIFFICULT TO MANEUVER. THE TRANSMISSION LINES LEAKED AN EXCESSIVE AMOUNT OF FLUID. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE POWER STEERING AND TRANSMISSION LINES WERE REPLACED AT DIFFERENT TIMES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 78,000. UPDATED 07/08/11*LJ THE POWER STEERING LINES ROTTED AND LEAKED FLUID EXCESSIVELY. THE LINES WERE REPLACED AT A COST OF $1,000. THE TRANSMISSION LINES ROTTED AND LEAKED FLUID AND ALSO HAD TO BE REPLACED AT A COST OF $350.00. UPDATED 08/31/11.*JB

NHTSA ODI #10402815

40,000 miles · May 18, 2011
Vehicle Speed Control

2003 CHEVY TRAILBLAZER EXT. SPEEDOMETER HAS MALFUNCTION CONTINUOUSLY FOR THE LAST 4 YEARS. VERY DANGEROUS. COMPANY (GM) SAYS IT IS NOT DANGEROUS AND THEY DO NOT HAVE ENOUGH COMPLAINTS. THOUSANDS ON THE INTERNET. *TR

NHTSA ODI #10401435

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.