← New search

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

Electrical System complaints

77 reports
Clear category filter
70,500 miles · Jan 12, 2009
Electrical System

SPEEDOMETER HAS BECOME FAULTY. IT MAY NOT REGISTER THE CORRECT SPEED OF THE VEHICLE. *TR

NHTSA ODI #10254750

55,000 miles · Dec 30, 2008
Electrical System

MY 2003 CHEVROLET TRAILBLAZER EXT GAUGE CLUSTERS MALFUNCTION. ONE BY ONE THE INSTRUMENT PANEL GAUGES HAVE BEEN FAILING. FIRST THE RPM GAUGE STUCK AT ZERO IN MARCH '08. ABOUT TWO MONTHS AGO (OCT '08), THE OIL PRESSURE GAUGE DROPPED TO ZERO AND NOW FLUCTUATES ERRATICALLY . OFTEN TIMES, RESTARTING THE CAR WILL TEMPORARILY RESE…

Read full complaint

MY 2003 CHEVROLET TRAILBLAZER EXT GAUGE CLUSTERS MALFUNCTION. ONE BY ONE THE INSTRUMENT PANEL GAUGES HAVE BEEN FAILING. FIRST THE RPM GAUGE STUCK AT ZERO IN MARCH '08. ABOUT TWO MONTHS AGO (OCT '08), THE OIL PRESSURE GAUGE DROPPED TO ZERO AND NOW FLUCTUATES ERRATICALLY . OFTEN TIMES, RESTARTING THE CAR WILL TEMPORARILY RESET THE OIL PRESSURE GAUGE UNTIL IT FAILS AGAIN. THIS MONTH (DEC. '08), THE TEMPERATURE GAUGE PEGGED HIGH AND THE SPEEDOMETER WILL TEMPORARILY HESITATE. THE ONLY GAUGE THAT APPEARS TO WORK PROPERLY IS THE FUEL GAUGE, AND I'M GUESSING THAT WILL EVENTUALLY FAIL TOO. DURING MY LAST OIL CHANGE AT A CHEVY DEALER, THEY INDICATED THAT MOST LIKELY THE INSTRUMENT CLUSTER/GAUGE DRIVERS ARE BAD AND CAN BE REPLACED FOR ABOUT $800. I'VE DONE A LOT OF SEARCHING ON THE INTERNET AND FOUND THAT MANY PEOPLE ARE EXPERIENCING THIS SAME PROBLEM WITH CHEVY VEHICLES, YET CHEVROLET HAS DONE NOTHING TO CORRECT OR REMEDY THE SITUATION. *TR

NHTSA ODI #10253274

68,000 miles · Dec 28, 2008
Electrical System

WHILE DRIVING, THE SPEEDOMETER GOT STUCK AT 40MPH. IT NEVER CAME BACK DOWN, BUT EVENTUALLY WENT ALL THE WAY TO THE RIGHT SIDE. AFTER $900 FOR A NEW INSTRUMENT CLUSTER IT WAS FIXED, BUT THE FOLLOWING YEAR A FRIEND OF MINE WITH AN 05 TRAILBLAZER HAD THE SAME THING HAPPEN TO HER. SHE WON'T GET IT FIXED BECAUSE IT SEEMS JUST A TAD B…

Read full complaint

WHILE DRIVING, THE SPEEDOMETER GOT STUCK AT 40MPH. IT NEVER CAME BACK DOWN, BUT EVENTUALLY WENT ALL THE WAY TO THE RIGHT SIDE. AFTER $900 FOR A NEW INSTRUMENT CLUSTER IT WAS FIXED, BUT THE FOLLOWING YEAR A FRIEND OF MINE WITH AN 05 TRAILBLAZER HAD THE SAME THING HAPPEN TO HER. SHE WON'T GET IT FIXED BECAUSE IT SEEMS JUST A TAD BIT SUSPICIOUS THAT SO MANY SPEEDOMETERS HAVE GONE OUT IN THESE THINGS. *TR

NHTSA ODI #10252998

62,228 miles · Dec 27, 2008
Electrical System

I NOTICED WHEN THE WEATHER GOT COLDER/SNOW IN DECEMBER, MY SPEEDOMETER WAS READING AROUND 60 MPG HIGH SPEED WHEN I WAS GOING ABOUT 20 MPH. AFTER TURNING MY TRUCK ON AND OFF A COUPLE OF TIMES, IT WOULD RESET TO 0 MPH. ANOTHER HEAVY SNOW DAY CAME AND IT HAPPENED AGAIN, AND AFTER I WAS EXITING MY CAR YESTERDAY, THE NEEDLE POINTED …

Read full complaint

I NOTICED WHEN THE WEATHER GOT COLDER/SNOW IN DECEMBER, MY SPEEDOMETER WAS READING AROUND 60 MPG HIGH SPEED WHEN I WAS GOING ABOUT 20 MPH. AFTER TURNING MY TRUCK ON AND OFF A COUPLE OF TIMES, IT WOULD RESET TO 0 MPH. ANOTHER HEAVY SNOW DAY CAME AND IT HAPPENED AGAIN, AND AFTER I WAS EXITING MY CAR YESTERDAY, THE NEEDLE POINTED SOUTH AND WHEN I STARTED THE TRUCK IT WENT BACKWARD TO 120 MPH. I CALLED GM TO FIND OUT IF THERE WERE ANY RECALLS ON THIS PROBLEM OR ANY OTHERS AND THEY SAID THERE WERE NO RECALL FOR MY VEHICLE AT THIS TIME, WHICH I KNOW IS UNTRUE DUE TO THE GAS LEAK RECALL. I CALLED THE GM SERVICE CENTER AND WAS TOLD THE SAME THING AND THIS ITEM IS NOT COVERED. I SEARCHED THE WEB AND FOUND A CLASS ACTION SUIT AGAINST GM FOR THE SAME REASON AS MINE HTTP://WWW.LAWCASH.COM/ATTORNEY/4913/GENERAL-MOTORS-LAWSUIT.ASP *TR

NHTSA ODI #10252881

62,228 miles · Dec 23, 2008
Electrical System

I NOTICED WHEN THE WEATHER GOT COLDER/SNOW IN DECEMBER, MY SPEEDOMETER WAS READING AROUND 60 MPG HIGH SPEED WHEN I WAS GOING ABOUT 20 MPH. AFTER TURNING MY TRUCK ON AND OFF A COUPLE OF TIMES, IT WOULD RESET TO 0 MPH. ANOTHER HEAVY SNOW DAY CAME AND IT HAPPENED AGAIN, AND AFTER I WAS EXITING MY CAR YESTERDAY, THE NEEDLE POINTED…

Read full complaint

I NOTICED WHEN THE WEATHER GOT COLDER/SNOW IN DECEMBER, MY SPEEDOMETER WAS READING AROUND 60 MPG HIGH SPEED WHEN I WAS GOING ABOUT 20 MPH. AFTER TURNING MY TRUCK ON AND OFF A COUPLE OF TIMES, IT WOULD RESET TO 0 MPH. ANOTHER HEAVY SNOW DAY CAME AND IT HAPPENED AGAIN, AND AFTER I WAS EXITING MY CAR YESTERDAY, THE NEEDLE POINTED SOUTH AND WHEN I STARTED THE TRUCK IT WENT BACKWARD TO 120 MPH. I CALLED GM TO FIND OUT IF THERE WERE ANY RECALLS ON THIS PROBLEM OR ANY OTHERS AND THEY SAID THERE WERE NO RECALL FOR MY VEHICLE AT THIS TIME, WHICH I KNOW IS UNTRUE DUE TO THE GAS LEAK RECALL. I CALLED THE GM SERVICE CENTER AND WAS TOLD THE SAME THING AND THIS ITEM IS NOT COVERED. I SEARCHED THE WEB AND FOUND A CLASS ACTION SUIT AGAINST GM FOR THE SAME REASON AS MINE HTTP://WWW.LAWCASH.COM/ATTORNEY/4913/GENERAL-MOTORS-LAWSUIT.ASP *TR

NHTSA ODI #10252659

88,000 miles · Nov 25, 2008
Electrical System

SPEEDOMETER FREEZES UP AND WILL NOT GO BACK TO 0. HAS HAPPENED 2 TIMES IN 6 WEEKS. *TR

NHTSA ODI #10249868

121,000 miles · Nov 10, 2008
Electrical System

FOR THE PAST SEVERAL MONTHS, THE SPEEDOMETER HAS BEEN ACTING UP. IT IS NOW BURIED PAST THE TOP REGISTERED SPEED. IT WILL VARY FROM TIME TO TIME, BUT IS, FOR THE MOST PART, NON-WORKING. IT WILL SHOW THAT I AM AT A HIGH RATE OF SPEED EVEN WHEN THE VEHICLE IS SITTING IDLE OR IN PARK. THIS IS AN ONGOING PROBLEM AND FROM WHAT I C…

Read full complaint

FOR THE PAST SEVERAL MONTHS, THE SPEEDOMETER HAS BEEN ACTING UP. IT IS NOW BURIED PAST THE TOP REGISTERED SPEED. IT WILL VARY FROM TIME TO TIME, BUT IS, FOR THE MOST PART, NON-WORKING. IT WILL SHOW THAT I AM AT A HIGH RATE OF SPEED EVEN WHEN THE VEHICLE IS SITTING IDLE OR IN PARK. THIS IS AN ONGOING PROBLEM AND FROM WHAT I CAN SEE, I AM NOT ALONE WITH THIS ISSUE. THIS IS A BIG SAFETY CONCERN AND I FEEL THAT GM NEEDS TO ADDRESS THE ISSUE. *TR

NHTSA ODI #10248368

60,000 miles · Oct 9, 2008
Electrical System

INTERMITTENTLY THE SPEEDOMETER READS FROM A FEW MPH HIGH TO 70 MPH HIGH. THIS PROBLEM IS WELL DOCUMENTED ACROSS THE GM PRODUCT LINE AND IS COVERED IN ONE WAY OR ANOTHER BY GM. BUT NOT THE TRAILBLAZER. WHY NOT? *TR

NHTSA ODI #10244955

85,000 miles · Mar 28, 2008
Electrical System

THE SPEEDOMETER FLUTTERS AROUND AND STICKS NOT SHOWING MY ACTUAL SPEED I AM TRAVELING. *TR

NHTSA ODI #10222630

67,000 miles · Mar 13, 2008
Electrical System

I HAVE A 2003 CHEVY TRAILBLAZER. MY INSTRUMENT CLUSTER HAS STOPPED WORKING. MY SPEEDOMETER, AND OIL GAUGES DO NOT WORK. CHEVY CURRENTLY HAS A RECALL ON OTHER MODELS FOR THIS PROBLEM, BUT NOT THE TRAILBLAZER. I FEEL CHEVY NEED TO TAKE RESPONSIBILITY FOR ALL OF THEIR VEHICLES. *TR

NHTSA ODI #10220996

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.