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2002 Chevrolet Trailblazer Ext

Owner reports · Recalls · Investigations

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Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

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When problems were reported

Mileage at the reported incident

85 reports with mileage · 15 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 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

3 crash reports2 fire reports1 injury reports

Engine And Engine Cooling complaints

14 reports
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100,004 miles · May 12, 2010
Engine And Engine Cooling

OUR 2002 CHEVROLET TRAILBLAZER LOSES POWER AND THE TROUBLE LIGHTS FLASH INCLUDING THE SERVICE LIGHT AND REDUCED POWER LIGHT COME ON. I HAVE CHANGED THE 02 SENSOR, FLUSHED THE TRANSMISSION, REPLACED SPARK PLUGS AND HAD THE EMISSION SYSTEM CHECKED ALL TO NO AVAIL. OUR MECHANIC CANNOT ISOLATE THE PROBLEM AND ALL THINGS WE HAVE TRI…

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OUR 2002 CHEVROLET TRAILBLAZER LOSES POWER AND THE TROUBLE LIGHTS FLASH INCLUDING THE SERVICE LIGHT AND REDUCED POWER LIGHT COME ON. I HAVE CHANGED THE 02 SENSOR, FLUSHED THE TRANSMISSION, REPLACED SPARK PLUGS AND HAD THE EMISSION SYSTEM CHECKED ALL TO NO AVAIL. OUR MECHANIC CANNOT ISOLATE THE PROBLEM AND ALL THINGS WE HAVE TRIED HAS FAILED. WE HAVE RESET THE COMPUTER SEVERAL TIMES TO NO AVAIL. THIS IS A PROBLEM AND SAFETY ISSUE. WE HAVE HAD NO HELP FROM GM. *TR

NHTSA ODI #10330061

36,000 miles · Oct 29, 2009
Engine And Engine Cooling

MY VEHICLE IS A 2002 CHEVY TRAILBLAZER. I AM WRITING TODAY REGARDING THE ENGINE THAT HAS FAILED THREE TIMES. THERE WERE MULTIPLE RECALLS ON THE VEHICLE INCLUDING; AIR CONDITIONING SYSTEMS, BACK TAIL LIGHTS ETC. THE ENGINE FAILED, AND WAS REPLACED BEFORE 32K MILES AND AGAIN AT 72K. NOW ON THE THIRD TIME, THE WARRANTY IS EXPIRE…

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MY VEHICLE IS A 2002 CHEVY TRAILBLAZER. I AM WRITING TODAY REGARDING THE ENGINE THAT HAS FAILED THREE TIMES. THERE WERE MULTIPLE RECALLS ON THE VEHICLE INCLUDING; AIR CONDITIONING SYSTEMS, BACK TAIL LIGHTS ETC. THE ENGINE FAILED, AND WAS REPLACED BEFORE 32K MILES AND AGAIN AT 72K. NOW ON THE THIRD TIME, THE WARRANTY IS EXPIRED! WHEN WE CONTACTED GM INC. THEY ASKED US TO TAKE THE VEHICLE TO THERE LOCAL SHOP. THE SHOP TOOK THE VEHICLE APART AND DECIDED PER GM THAT THE VEHICLE WAS NOT UNDER WARRANTY, WHICH IS INFORMATION GM KNEW FROM THE BEGINNING. I FEEL THAT THEY ARE SHELLING THEIR RESPONSIBILITY FOR A LEMON PRODUCT THEY MADE. I HAVE HAD NOTHING BUT PROBLEMS WITH THIS SUV. AS I REMEMBER MY TAX DOLLARS BAILED THEM OUT AND HELP GM STAY AFLOAT! I AM NOT ASKING FOR MUCH. I PAID CASH $26,544 FOR THIS GM PRODUCT. THEY GOT PAID AND THE ONLY THING I GOT IS PAIN FROM AN SUV THAT WAS DEFECTIVE FROM THE START. I CAN'T AFFORD TO FIX A TRUCK I ALREADY PAID FOR AND MAINTAINED AS THE MANUFACTURER SUGGESTED. AFTER WORKING 30 YEARS, I HAVE FALLEN ILL AND NOW I AM ON A FIXED INCOME. I AM ONLY ASKING FOR MY SUV TO BE FIXED BY GM BECAUSE THEY KNOW THIS IS A DEFECTIVE PRODUCT. TO ADD, I AM NOT THE ONLY ONE HAVING THIS ISSUE WITH MY CHEVY TRAILBLAZER. I NEED MY VEHICLE, ITS MY TRANSPORTATION TO THE DOCTOR. I THOUGHT I HAD A RELIABLE SUV THAT WOULD LAST ME. GM YOU ARE WRONG FOR SELLING A DISABLED WOMEN A LEMON WITH PROBLEMS FROM DAY ONE THEN REFUSING TO TAKE RESPONSIBILITY! HONOR YOUR PRODUCT. EVEN WAL-MART TAKE BACK DEFECTIVE PRODUCTS. CAR COMPANIES SHOULD BE NO DIFFERENT. SHAME SHAME SHAME GM!!!!!! P.S. THEY STILL HAVE MY TRUCK AT THE LOCAL SHOP. NO ONE WILL RETURN MY CALLS!! SHAME *TR

NHTSA ODI #10290306

135,000 miles · Aug 24, 2009
Engine And Engine CoolingFuel System, Gasoline

BAD GAS TANK, CRACKED NECK, BAD GAS CAP CAUSING STATE INSPECTION FAILURE AND SOUNDS LIKE A SAFETY HAZARD TO ME.. *TR

NHTSA ODI #10281587

85,000 miles · Jul 18, 2009
Engine And Engine CoolingSuspension

2002 CHEVY TRAILBLAZER SERVICE ENGINE SOON LIGHT WILL COME ON ALONG WITH THE REDUCED ENGINE POWER LIGHT AND THE VEHICLE WILL NOT GO FASTER THAN 40 MPH. SOMETIMES IT WILL NOT GO MORE THAN 20 AND 10 MPH. I'VE TAKEN THE VEHICLE TO THE DEALER AND THEY CLEANED THE THROTTLE AND CHANGED SOME FILTERS AND 2 DAYS LATER....THE SAME LIGHTS…

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2002 CHEVY TRAILBLAZER SERVICE ENGINE SOON LIGHT WILL COME ON ALONG WITH THE REDUCED ENGINE POWER LIGHT AND THE VEHICLE WILL NOT GO FASTER THAN 40 MPH. SOMETIMES IT WILL NOT GO MORE THAN 20 AND 10 MPH. I'VE TAKEN THE VEHICLE TO THE DEALER AND THEY CLEANED THE THROTTLE AND CHANGED SOME FILTERS AND 2 DAYS LATER....THE SAME LIGHTS COME ON AND THE ENGINE POWER IS REDUCED. THE DEALER DOESN'T KNOW WHAT THE PROBLEM IS SO THE VEHICLE CONTINUES TO DO THIS AND HAS BEEN DOING THIS FOR THE PAST 6 MONTHS. THERE WAS A RECALL ON THE CONTROL ARMS IN 2001 THAT AFFECTED THE 2002 CHEVY TRAILBLAZER. I PURCHASED MY TRAILBLAZER IN 2002 SO I DIDN'T RECEIVE ANY RECALL INFORMATION. MY CONTROL ARMS NEED TO BE REPLACED AND I WANT TO KNOW WHY MY VEHICLE ISN'T COVERED UNDER THE RECALL. *TR

NHTSA ODI #10277257

Mileage unknown · Mar 21, 2009
Electrical SystemEngine And Engine CoolingStructure

CHEVY TRAILBLAZER02 MODEL, ABOUT 40K MILES IN 2005 THE CAR DIED ON US 2 TIMES AND WE COULDN'T FIND OUT WHAT WAS THE REASON WE HAD TO ASK FOR JUMP AND IT KEPT GOING ON NORMAL, THEN SUDDENLY AFTER ABOUT A COUPLE MONTH I SAW THAT THE BATTERY WAS LEAKING, AND DAMAGED SOME A/C PIPE LINES UNDER THE BATTERY, HAD TO REPLACE THE BATTERY…

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CHEVY TRAILBLAZER02 MODEL, ABOUT 40K MILES IN 2005 THE CAR DIED ON US 2 TIMES AND WE COULDN'T FIND OUT WHAT WAS THE REASON WE HAD TO ASK FOR JUMP AND IT KEPT GOING ON NORMAL, THEN SUDDENLY AFTER ABOUT A COUPLE MONTH I SAW THAT THE BATTERY WAS LEAKING, AND DAMAGED SOME A/C PIPE LINES UNDER THE BATTERY, HAD TO REPLACE THE BATTERY AND WASH AND CLEAN ALL UNDER AND AROUND THE BATTERY TO REMOVE THE ACID STUFF. AFTER THAT THE TAILGATE WHERE THE THIRD BRAKE LIGHT IS, STARTED MAKING NOISES EVERYTIME I OPENED IT, WHEN CHECKED I FOUND THAT THE PART WHERE THE REAR WINDOW IS AFFIXED TO THE TAIL GATE WHERE BROKE AND THE ESCREWS ARE HANGING BY IT SELF WHICH MADE THE REAR WINDOW LOOSE AND STANDING OUT, AND ABOUT A WEEK AGO NOW THAT I HAVE 61K MILES IN 2009 THE REAR BRAKE LIGHT WENT OFF, TOOK IT TO DEALER AND THEY TOLD ME ABOUT THE RECALL ON THOSE LIGHTS AND SO THEY FIXED IT, WHICH WHEN I PICKED UP THE SUV AND DROVE IT WITH THE FAMILY ABOUT 45 MILES TRIP WHEN SUDDENLY IT STARTED BLOWING AIR AND MAKING A STRONG AND DEEP NOISE SOUNDED LIKE A BUS OR 18 WHEELER PASSING BY, WHICH MADE US CANCEL THE TRIP AND GO BACK TO DEALER TO FIND OUT WHAT HAVE THEY DONE TO MY CAR, TAKE A GUESS, I WAS TOLD THAT IT'S COMMON ON THOSE CHEVY'S THE FAN CLUTCH TO GO OUT AND THAT IT REALLY LASTED LONG ON MY CAR AND YES IT'S SOMETHING NORMAL THAT HAPPENS, BUT IT COST ME $950.00 TO REPAIR IT YEAH SURE VERY NORMAL, IT SEEMS LIKE GM PARTS AND LABORS NOW ARE COSTING JUST AS THE GERMAN CARS. SHOULDN'T GM MAKE ALL THOSE ISSUES RECALL IF IT IS KNOWN THAT ARE DEFECTIVE AND ARE HAPPENING TO MOST OF THE CARS . *TR

NHTSA ODI #10262619

Mileage unknown · May 5, 2007
Engine And Engine CoolingEquipmentVisibility

2002 CHEVY TRAIL BLAZER EXT ON 3/3/07 - WHILE DRIVING TRUCK ON HIGHWAY THE TRUCK STOPPED RUNNING. RESTARTED TRUCK AND PULLED OVER TO SIDE OF ROAD. TRUCK STOPPED RUNNING AGAIN. MY HUSBAND NOTICED THE OIL PRESSURE GAUGE WHICH INDICATED NO OIL PRESSURE. TRUCK WAS THEN TAKEN TO REPAIR SHOP. OUR MECHANIC STATED THAT IT NEED A NEW O…

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2002 CHEVY TRAIL BLAZER EXT ON 3/3/07 - WHILE DRIVING TRUCK ON HIGHWAY THE TRUCK STOPPED RUNNING. RESTARTED TRUCK AND PULLED OVER TO SIDE OF ROAD. TRUCK STOPPED RUNNING AGAIN. MY HUSBAND NOTICED THE OIL PRESSURE GAUGE WHICH INDICATED NO OIL PRESSURE. TRUCK WAS THEN TAKEN TO REPAIR SHOP. OUR MECHANIC STATED THAT IT NEED A NEW OIL PUMP, WHICH IS LOCATED IN THE ENGINE- THIS WAS TOO BIG A JOB FOR HIS STATION. MY HUSBAND CALLED GENERAL MOTORS, SPOKE TO THEIR REPRESENTATIVE, WHO STATED THAT THE VEHICLE WAS NO LONGER UNDER WARRANTY AND IN ORDER FOR THEM TO DO COST SHARING WITH US THE VEHICLE WOULD NEED TO BE TAKEN TO A GM AUTHORIZED REPAIR DEALER. AFTER NUMEROUS ATTEMPTS TO CONTACT THAT SAME REP - WE WERE INFORMED BY THE CHEVY DEALER THAT WE NEEDED TO PAY FOR THE DIAGNOSTICS(635.00) OR THEY WOULD CHARGE US STORAGE FEES. STILL NO CONTACT FROM GM REP - OUR TRUCK IS STILL NOT FIXED AND STILL HAVE NOT BEEN ABLE TO GET RESPONSE FROM GM - OTHER ISSUES WITH THIS SAME TRUCK HAVE BEEN AT OUR EXPENSE: REPLACED REAR WINDOW MOTORS FOR WINDOW, AIR CONDITIONING COMPRESSOR, REAR TAIL LIGHTS (TWICE) DUE TO RECALL AND LIGHTS NOT WORKING - SEAT ADJUSTMENT SWITCHES PANEL (TWICE) NOW THIS EXPENSE WHICH WILL COST OVER 4372.00 IF NO OTHER DAMAGE WAS DONE TO TRUCK BY OIL PRESSURE NOT WORKING. *JB

NHTSA ODI #10189871

10,000 miles · Apr 25, 2007
Engine And Engine CoolingExterior LightingSuspension

HAVE BEEN HAVING MAJOR TROUBLE WITH THE FRONT END. HAD IT CHECKED MULTIPLE TIMES AT THE DEALER AND AT A LOCAL MECHANICS SHOP AND THE BALL JOINTS AND BUSHINGS HAD TO BE REPLACED. EVEN THE THE WARRANTY WAS FINISHED, THE DEALER DID NOT CHARGE ME FOR THIS, BUT UNFORTUNATELY I THOUGHT THAT THIS WOULD TAKE CARE OF THE NOISE ON THE FR…

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HAVE BEEN HAVING MAJOR TROUBLE WITH THE FRONT END. HAD IT CHECKED MULTIPLE TIMES AT THE DEALER AND AT A LOCAL MECHANICS SHOP AND THE BALL JOINTS AND BUSHINGS HAD TO BE REPLACED. EVEN THE THE WARRANTY WAS FINISHED, THE DEALER DID NOT CHARGE ME FOR THIS, BUT UNFORTUNATELY I THOUGHT THAT THIS WOULD TAKE CARE OF THE NOISE ON THE FRONT END, BUT IT IS STILL THERE!! ALSO YESTERDAY, APRIL 24, 2007, I HAD TO HAVE THE FAN CLUTCH REPLACED. THIS VEHICLE ONLY HAS 35,000 MILES. I HAVE ALSO HAD THE SERVICE ENGINE SOON LIGHT COME ON AND STAY ON SEVERAL TIMES AND AFTER READING OTHER COMPLAINTS, I SHOULD CHECK OUT THE GAS TANK FOR ANY CRACKS. THIS IS MY FIRST AND LAST GM PRODUCT!!!! IT SPENDS MORE TIME BEING FIXED THEN ON THE ROAD. I HAVE ALSO HAD TROUBLE WITH THE REAR TAIL LIGHT BURNING OUT, BUT THAT HAS SINCE BEEN FIXED! *TR

NHTSA ODI #10188812

54,833 miles · Mar 18, 2007
Engine And Engine Cooling

FAULTY PART - FAN CLUTCH - THAT INNUMERABLE AMOUNT IF NOT 100% OF 02-04 CHEVROLET TRAILBLAZER AND GMC ENVOY OWNERS HAVE HAD TO SUFFER WITH IN THE AMOUNT OF $500+ REPAIR BILL. HOW MANY REPORTS WILL IT TAKE FOR A RECALL . . .

NHTSA ODI #10185429

68,000 miles · Jan 13, 2007
Engine And Engine CoolingPower Train

I BACKED OF THE GARAGE AND HEARD A LOUD NOISE. AS I PULLED FORWARD THE TRUCK MOVED VERY SLOWLY FOR HOW FAR THE GAS PEDAL WAS PUSHED. I WENT TO GO IN REVERSE AGAIN BUT THE TRUCK WOULD NOT GO INTO REVERSE AND COULD HEAR A LOUD WHINING FROM THE MOTOR. I THIS JUST HAPPENED TO DAY BUT I FIGURE IT'S THE TRANSMISSION. ALSO, WHEN I BOU…

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I BACKED OF THE GARAGE AND HEARD A LOUD NOISE. AS I PULLED FORWARD THE TRUCK MOVED VERY SLOWLY FOR HOW FAR THE GAS PEDAL WAS PUSHED. I WENT TO GO IN REVERSE AGAIN BUT THE TRUCK WOULD NOT GO INTO REVERSE AND COULD HEAR A LOUD WHINING FROM THE MOTOR. I THIS JUST HAPPENED TO DAY BUT I FIGURE IT'S THE TRANSMISSION. ALSO, WHEN I BOUGHT THE TRUCK I HAD PROBLEMS WITH THE TEMP. SENSOR AND THE AIR CONDITIONING THE DEALER TOOK CARE OF THE PROBLEM WITH THE AIR BUT THE OUTSIDE TEMP. SENSOR IS STILL BROKE. I DON'T KNOW WHICH IS WORSE THE FAILURE OF THE TRANSMISSION OR, SEEING ALL THE LIKE COMPLAINTS ON THIS SITE WITH NO ACTION. *JB

NHTSA ODI #10178638

50,200 miles · Oct 31, 2006
Engine And Engine Cooling

I HAVE A 2002 TRAILBLAZER WITH ABOUT 50,200 MILES AND THE OTHER DAY IT BEGAN TO MAKE A HIGH PITCHED SOUND, ALMOST LIKE A PLANE LANDING. WHEN I TOOK IT TO THE DEALER, HE SAID IT'S THE FAN CLUTCH AND IT'S GOING TO COST $711 TO FIX. WHEN I ASKED IF THIS IS NORMAL WEAR & TEAR, I DID NOT GET A PROPER ANSWER. THE RESPONSE WAS THAT …

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I HAVE A 2002 TRAILBLAZER WITH ABOUT 50,200 MILES AND THE OTHER DAY IT BEGAN TO MAKE A HIGH PITCHED SOUND, ALMOST LIKE A PLANE LANDING. WHEN I TOOK IT TO THE DEALER, HE SAID IT'S THE FAN CLUTCH AND IT'S GOING TO COST $711 TO FIX. WHEN I ASKED IF THIS IS NORMAL WEAR & TEAR, I DID NOT GET A PROPER ANSWER. THE RESPONSE WAS THAT THIS HAPPENS A LOT ON THE CHEVY & GM VEHICLES. WHEN I CALLED CHEVY CORPORATION, I WAS GIVEN A CLAIM# & TOLD THAT THEY WILL HAVE TO INVESTIGATE THIS PROBLEM & THEN THEY WILL CALL ME BACK IN ABOUT 3 DAYS TO ADVISE IF THEY WILL HELP WITH THE COSTS OF THE REPAIR. BOTH THE CUSTOMER SERVICE REPS I SPOKE WITH AT CHEVROLET CORPORATION (800-222-1020) TOLD ME THAT THEY'VE PERSONALLY NEVER HAD SUCH A COMPLAINT BEFORE AND THAT THIS WAS NEW TO THEM. BUT WHEN I GOOGLED THIS PROBLEM FOR THE CHEVY TRAILBLAZER 2002, I GOT SEVERAL WEB PAGES INCLUDING NHTSA WHICH DOCUMENTED THIS PROBLEM. THIS SHOULD DEFINITELY BE A RECALL ITEM. I AM NOW WAITING TO SEE IF CHEVROLET WILL HELP AND TO WHAT EXTENT. *NM

NHTSA ODI #10172245

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

5

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.