2003 Chevrolet Trailblazer EXT

Above average

Owners filed 313 complaints about this vehicle with federal regulators, most often about the electrical system. It has been recalled 3 times.

When it fails
020k40k60k90k120k200k
68,500 milesMedian miles at failure

258 complaints record an odometer reading. Failures cluster around 60,00075,000 miles.

What fails
ComponentReportsCrashesFiresInjuries
Electrical System45
130
Fuel System, Gasoline34
000
Power Train › Automatic Transmission25
000
Electrical System › Instrument Cluster/Panel22
000
Fuel System, Gasoline › Storage › Tank Assembly › Filler Pipe and Cap13
000
Fuel System, Gasoline › Storage › Tank Assembly13
000
Visibility › Power Window Devices and Controls8
000
Fuel System, Gasoline › Delivery › Fuel Pump8
000
Fuel/Propulsion System7
000
Structure › Body6
000

3 safety recalls

Part 573 reports
Latches/Locks/Linkages › Doors › Latch05V494000
Filed Oct 27, 200598,007 vehiclesGeneral Motors Corp.

Defect. 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.

Risk. 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.

Exterior Lighting › Brake Lights04V527000
Filed Nov 1, 2004871,473 vehiclesGeneral Motors Corp.

Defect. 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.

Risk. 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.

Visibility › Windshield Wiper/Washer04V046000
Filed Feb 4, 2004581,394 vehiclesGeneral Motors Corp.

Defect. 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.

Risk. 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.

What owners reported

Newest filings
Fuel/Propulsion System
Filed Mar 20, 2019MI

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT. THE CONTACT STATED THAT FUEL WAS LEAKING NEAR THE BOTTOM REAR OF THE VEHICLE. THE CONTACT INSPECTED UNDERNEATH THE VEHICLE AND NOTICED THAT THE CHECK VALVE WAS FRACTURED. JOE LUNGHAMER CHEVROLET (475 SUMMIT DR, WATERFORD TWP, MI 48328, 1-(248) 683-7100) WAS NOTIFIED AND STATED THAT THE VEHICLE WOULD NEED TO BE DIAGNOSED AND THERE WAS NO FUEL SYSTEM RECALL. THE MANUFACTURER ISSUED EXTENDED WARRANTY CAMPAIGN NUMBER: 14423, BUT THEY HAD NOT PROVIDED A RECALL REMEDY TO PREVENT THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND STATED THAT THE VEHICLE WAS OUT OF WARRANT. THE FAILURE MILEAGE WAS NOT AVAILABLE.

Service Brakes
Filed Dec 4, 2018120,600 milesMN

THE ABS LIGHT HAS COME ON AND THEN IT WOULD WORK SOMETIMES AND NOT OTHER TIMES. NOW IT NEVER WORKS. NOW THAT ITS WINTER I'M SLIDING AT STOP SIGNS THAT AREN'T EVEN THAT SLIPPERY. THE ACTUATORS IN THE HEATING AND COOLING ARE NOT WORKING PROPERLY. ALL SUMMER I HAD HEAT BLOWING ALL THE TIME AND SUDDENLY THERE WOULD BE NOTHING. NOW IT'S COLD AIR ALL THE TIME. MAKES MY WINDOWS FOG UP AND NOT DEFROST. I HAVE DONE THE RESET PROCEDURE AND HEAR THINGS MOVING BUT IT DOESN'T FIX IT. THE BLOWER IN THE BALL SEAT AND THIRD ROW IS HIT OR MISS FOR EVEN WORKING AT ALL.

Fuel/Propulsion System
Filed Oct 11, 2018194,000 milesMN

HAS A BAD GAS SMELL LEAKING GAS SOMEWHERE

Electrical SystemFire
Filed May 30, 2018177,000 milesTX

ONE BY ONE THINGS HAVE BEEN GOING OUT AND NOT WORKING. FIRST THE CAR WOULD NOT START ALL THE TIME WITH THE KEY, THEN THE A/C STOPED WORKING, NEXT WAS THE FUEL PUMP, THEN THE INJECTORS. I CHECKED EVERYTHING IT COULD BE. I WAS DRIVING WITH MY KIDS DOWN THE HIGHWAY WHEN MY CAR JUST DIED LOST POWER STEERING SO IT WAS HARD TO GET OFF THE ROAD FAST. I GOT IT STARTED AND WAS DRIVING AND IT DID IT AGAIN. I WAS ABLE TO FINALLY GET IT HOME WHEN IT WOULD NOT START AGAIN. AFTER SOME RESEARCH ONLINE FOUND OUT THIS CAR HAS ISSUES WITH THE FUSE BOX ITSELF UNDER THE HOOD. I OPENED IT UP JUST TO FIND THE WORDING THAT CONNECTED THE PINS WAS BROKEN IN NUMEROUS PLACES AND HAD STARTED TO BURN UP IN THE BOX.

Electrical System
Filed Feb 23, 2018140,443 milesMO

WHEN DRIVING FOR 30 TO 45 MINS ALL THE INSTRUMENTS ON DASH START STICKING AND READING WRONG INFORMATION. IN THE PICTURE MY CAR IS PARKED .

Electrical System
Filed Oct 13, 2017108,321 milesMT

SPEEDOMETER IS ERRATIC OFTEN SHOWING FALSE SPEED OR GOES TO ZERO.ALL MOVING SPEEDS HIGHWAY OR STREETS.

Electrical System
Filed Aug 27, 2017199,263 milesSD

THE ELECTRONIC THROTTLE MODULE TO PCM COMMUNICATION ERROR COMES UP AND THE VEHICLE STARTS THE WARM UP PROCESS AND THEN DIES IN THE PROCESS OF WARM UP PROCEDURES. I GUESS MY QUESTION TO YOU IS HOW CAN I FIX THIS OR DOES A DEAL NEED TO FIX IT OR IS THERE A RECALL ON THIS ISSUE?

Power Train
Filed Jul 24, 2017150,000 milesNC

DRIVING DOWN ROAD ON THE WAY TO HOSPITAL AND TRAILBLAZER MADE A LOUD CLUNK. THEN STARTED MAKING A WHIRRING NOISE. FINISHED DRIVING SLOWLY TO HOSPITAL AS NOT TO MESS ANYTHING ELSE UP. PULLED IN AND PARKED. GOT READY TO LEAVE HOSPITAL AND HAD NO REVERSE ONLY FOWARD.

Electrical System
Filed May 1, 201780,000 milesCA

MY KEY WILL NOT COME OUT OF THE IGNITION I HAD TO UNSCREW AND REMOVE THE BOTTOM OF MY STEERING TO PUSH THE BUTTON ALSO ALL OF MY INSTRUMENT GAUGE DO NOT WORK INCLUDING THE SPEEDOMETER AND ALL GAUGES SO I NEVER KNOW MY TEMPERATURE OR FUEL LEVEL, OIL PRESSURE THEY ALL ARE NOT WORKING PROPERLY MY SPEEDOMETER ONLY WORKS SOMETIMES. ALSO MY ENGINE IS RUNNY ROUGH AND I HEAR A VIBRATION AND TICKING. MY CHECK ENGINE LIGHT IS AND I'M GETTING CODE SAYING THERES A LEAK IN THE FUEL EVAP SYSTEM. I HAVE SEARCHED THE INTERNET AND EVERYONE HAS THE SAME PROBLEMS WITH THEIR 2003 TRAILBLAZERS. WHY ISN'T CHEVROLET RECALLING THESE PROBLEMS ITS FUSTRATING THEY WANT SEVERAL HUNDREDS OF DOLLARS I CANNOT AFFORD

Electrical System
Filed Feb 25, 2017120,000 milesIL

LOW BEAMS INTERMENTLY GO OFF AND ON ! EXHAUST MANIFOLD IS CRACKED CAUSING A LEAK ! ALL DASH GAUGES BUT FUEL GAUGE DONT WORK !

Electrical System
Filed Jul 3, 2016184,000 milesIN

NONE OF MY GAGES WORK AND A LOT OF MY DASH LIGHTS ARE ON. I HAVE NO IDEA HOW MUCH GAS I HAVE. MY SPEEDOMETER AND RPM GAGES WORK BUT NOTHING ELSE DOES. THIS HAS BEEN HAPPENING ON AND OFF FOR ABOUT 3 MONTHS BUT THEY WOULD ALWAYS GO BACK ON. BUT NOW IT HAS BEEN OFF FOR A WEEK WITHOUT GOING BACK TO NORMAL. TWICE LAST WEEK THE RADIO AND THE POWER WINDOWS STOPPED WORKING AS WELL. THIS HAPPENS WHILE DRIVING PARKED ALL THE TIME AND IT DOESNT GO BACK TO NORMAL. I HAVE SEEN A LOT OF COMPLAINTS ABOUT THIS SO I HAVE NO CLUE WHY THERE ISN'T A RECALL. IT IS NOT SAFE TO DRIVE MY TRAILBLAZER UNTIL THESE THINGS ARE FIXED. I WORK AT A CHEVROLET DEALERSHIP AND THEY COULDN'T FIGURE OUT HOW TO FIX THIS EITHER. GM NEEDS TO PUT OUT A RECALL TO GET THIS FIXED ASAP.

Electrical System
Filed Mar 30, 2016TX

THE GAS GAUGE STARTED MESSING UP/NOT READING RIGHT ESPECIALLY IN THE RAIN AND THEN SHORTLY AFTER THAT THE SPEEDOMETER STARTED DOING THE SAME THING. NOW NEITHER ONE WILL WORK AT ALL. THIS STARTED ABOUT TWO YEARS AGO AND QUIT WORKING ALL TOGETHER ABOUT 1 YEAR AGO. I HEARD THAT THIS IS HAPPENING TO ALOT OF TRAILBLAZERS. THIS STARTED WHILE THE VEHICLE WAS IN MOTION.

Power Train
Filed Dec 20, 2015MA

I HAVE REPLACED THE FRONT DIFFERENTIAL TWICE IN 10 MONTHS. I BOUGHT NEW PARTS FOR IT NOT USED THAT WERE REDONE TO GET RID OF THE PROBLEMS IT HAD NOW IT HAS GONE AGAIN. THIS TIME I HAVEN'T EVEN USED THE FOUR WHEEL DRIVE YET SINCE THE LAST REPAIR. I HAVE RESEARCH IT AND I NOTICED A LOT OF PEOPLE WITH THE SAME PROBLEM.

Fuel/Propulsion System
Filed Sep 16, 2015155,000 milesNY

THE CHECK ENGINE LIGHT WENT ON AND THERE WAS A STRONG GAS ODOR. GAS HAD ALSO PREVIOUSLY SPILLED OUT WHEN FUELUNG.

Service Brakes
Filed Sep 5, 201588,000 milesMI

MY WIFE AND FIVE CHILDREN TRAVELING ON I-94 E AND EXITED THE FREEWAY AT THE 12 MILE EXIT IN ROSEVILLE MI. MY WIFE ATTEMPTED TO BRAKE AS THEY APPROACHED THE RED TRAFFIC SIGNAL ON THE 12 MILE EXIT RAMP AND THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR WITHOUT WARNING. SHE WAS UNABLE TO STOP THE VEHICLE AND PROCEEDED THROUGH THE RED LIGHT NARROWLY MISSING A HIGH SPEED COLLISION WITH BOTH EAST AND WEST BOUND TRAFFIC ON 12-MILE ROAD. SHE CONTINUED THROUGH THE INTERSECTION ON THE RED LIGHT AND WAS ABLE TO STOP THE SUV SEVERAL HUNDRED YARDS DOWN THE SERVICE DRIVE. SHE SLOWLY DROVE THE VEHICLE HOME AND I CHECKED THE BRAKES AND THE PEDAL WENT STRAIGHT TO THE FLOOR WITH NO BRAKE WARNING OR ANY OTHER INDICATORS ON THE DASH. I PUMPED THE BRAKES SEVERAL TIMES AND COULDN'T EVEN HOLD THE VEHICLE WHILE IDLING IN THE DRIVE POSITION. I ALSO NOTICED A LARGE PUDDLE OF FLUID UNDER THE DRIVER'S SIDE OF THE VEHICLE. I'M GOING TO LIMP THE VEHICLE TO MORAN CHEVROLET IN CLINTON TOWNSHIP, MI AND LEAVE IT WITH THOSE THAT SOLD ME THIS DEATHTRAP. ANOTHER AND PERHAPS EVEN GREATER SAFETY CONCERN I HAVE IS THE SUV'S TENDENCY TO MISBEHAVE WHILE IN AWD MODE. THE VEHICLE SOMETIMES GOES IN REVERSE WHILE DRIVE IS SELECTED AND VICE VERSA. ADDITIONALLY, THE VEHICLE WILL SOMETIMES PUT ITSELF IN NEUTRAL WHILE ENGAGED IN DRIVE MODE OR WHILE STOPPED AT TRAFFIC SIGNALS. OH AND LAST WEEK I REPLACED THE WINDSHIELD WIPER ASSEMBLY AFTER IT FAILED AND FOUND NO EVIDENCE THAT GM HAD COMPLETED THE RELATED RECALL WORK THAT SIGNE

Power TrainFire
Filed Aug 30, 2015IL

I PURCHASED A 2003 TRAILBLAZER FROM AN INDIVIDUAL. THE FRONT DIFFERENTIAL HAD A HOLE IN IT. SO I PURCHASED A DIFFERENTIAL FROM A SCRAP YARD. 90 DAY WARRANTY. STILL HAD A NOISE . I STILL HAD A NOISE FRONT DIFFERENTIAL WAS OUT AGAIN. I PURCHASED THE THIRD DIFFERENTIAL FROM A DIFFERENT YARD TOOK IT APART . FOUND THE DRIVER SIDE BEARING BAD. IT SEEMS TO BE A VERY COMMON PROBLEM BECAUSE THE DRIVER SIDE DRIVERS CONSTANT. I WAS WONDERING IF THERE IS A RECALL. I SEE A LOT OF COMPLAINTS ONLINE. THANK YOU THERE WAS A FIRE THE DIFFERENTIAL GREASE BURNT BEARING WENT OUT AND CHARD MOTOR AND SURROUNDING AREA NO REAL DAMAGE. *TR

Electrical System
Filed Jun 1, 2015131,000 milesCT

FIRST OIL PRESSURE GAUGE WENT AND NOW MY SPEEDOMETER IS ALSO GONE STUCK AT 50 MPH. CALLED CHEVY CAN'T GET STRAIGHT ANSWER FROM THEM AND ASK WHAT OTHER VEHICLES WITH THE SAME PROBLEM WITH GAUGE CLUSTER ADVISED CAN'T DISCLOSED ANY INFORMATION.

Fuel System, Gasoline
Filed Jan 24, 201556,000 milesCT

NHTSA ACTION NUMBER : PE07014 OCCURRED ON MY VEHICLE AROUND NOVEMBER 2014. THE PROBLEM PRESENTED AS P0442 CEL AND ODOR OF GAS AFTER PARKING IN GARAGE. GM HAS INDICATED BECAUSE THE SPECIAL CONSIDERATION ALLOWANCE HAS EXPIRED, DESPITE THE LOW MILEAGE THEY WILL DO NOTHING. THIS VEHICLE WAS PURCHASED NEW IN AUGUST 2003. I DO NOT UNDERSTAND WHY GM WAS NOT COMPELLED TO ISSUE A SAFETY RECALL DUE TO THE RISK OF GAS LEAKING. I WOULD APPRECIATE ASSISTANCE TO GET GM TO MINIMALLY PROVIDE DEFECTIVE PARTS REPLACEMENT, DUE TO THE KNOW MANUFACTURING DEFECT IN THE GAS TANK. *TR

Air BagsCrash1 injured
Filed Jan 7, 2015120,000 milesWI

IT WAS SLEETING AND I LOST CONTROL ON A CURVE. I HAD BEEN DRIVING ABOUT 50 MPH, BUT BRAKE BEFORE THE CURVE AND BRAKE VERY HARD WHEN I TRIED TO REGAIN CONTROL OF THE VEHICLE, AS IT WAS SLIDING SIDEWAYS TOWARD THE CURVE. I WENT OFF THE CURVE AND HIT AN ELEVATED CROSSROAD, WHICH SENT THE VEHICLE AIRBORNE. I WAS AIRBORNE OVER MOST OF THE SIDE ROAD, WITH THE REAR OF THE VEHICLE HITTING JUST THE LAST FEW INCHES OF PAVEMENT, WHICH THEN SENT THE VEHICLE NOSEDIVING INTO THE DITCH. THE EMBANKMENTS WERE 4-5 FEET TALL. I HAD TWO VERY HARD FRONT END IMPACTS AND HIT MY HEAD ON THE STEERING WHEEL TWICE. THE FRAME OF THE VEHICLE WAS BENT AND THERE WAS A LOT OF DAMAGE TO THE UNDER OF THE VEHICLE, BUT THE AIRBAGS DID NOT DEPLOY. THE VEHICLE HAS BEEN DEEMED A TOTAL LOSS BY MY INSURANCE COMPANY. I HAVE A LOT OF CONCERN WITH THE FACT THAT THE AIRBAGS DID NOT DEPLOY AND KNOW THAT THERE WERE OTHER VEHICLES OF MY YEAR AND TYPE THAT DID HAVE FAULTY AIRBAGS RECALLED, BUT MINE HAS NOT BEEN. *TR

Fuel/Propulsion System
Filed Sep 16, 2014149,420 milesPA

PLASTIC WELD CONNECTING FUEL FILL PIPE TO FUEL TANK HAS CRACKED.CONTACTED GM ABOUT THIS ISSUE & WAS INFORMED THAT THIS VEHICLE HAD JUST MISSED THE CAMPAIGN TO FIX THIS PROBLEM BY ONE MONTH. WHY IS THIS CAMPAIGN (07099) A LIMITED TSB & NOT A SAFETY RECALL? VEHICLE WOULD NOT PASS STATE EMISSIONS INSPECTION. TECHNICIAN REPAIRED LEAK WITH EPOXY THAT SEALED LONG ENOUGH TO PREVENT VAPOR LEAKAGE TO PASS EMISSION TEST.NOW THAT HAS FAILED AND ONCE AGAIN VEHICLE WILL NOT PASS EMISSIONS. MORE IMPORTANTLY THE FUEL VAPORS EMITTING FROM VEHICLE MAKE IT UNSAFE AND IMPOSSIBLE TO PARK IN AN ENCLOSED AREA.THIS IS NOT DUE TO A WORN PART OR CORROSION,THIS IS DUE TO A FAULTY DESIGN THAT EVENTUALLY WILL CAUSE AN EXPLOSION.WORSE YET GM OFFERS NO DISCOUNT ON THIS VERY EXPENSIVE TANK ASSEMBLY TO CORRECT THIS PROBLEM.I CAN NOT THINK OF A MORE DANGEROUS CONDITION THAT HAS BEEN SO IGNORED.PERHAPS WHEN THE FIRES START THERE WILL BE ANOTHER CONGRESSIONAL HEARING ABOUT GM'S ABILITY TO RESPOND TO SUCH A SERIOUS AND POSSIBLY LOSS OF LIFE HAZARD THAT THEY REFUSE TO ASSIST OWNERS IN CORRECTING. *TR

20 of 313 complaints, reproduced as filed.

Across model years

Worst on record: 2003
YearComplaintsRecallsFiresDeathsAssessment
2006189620Routine
2004261130Above average
2003 — this page313360Above average
2002100320Routine

Compare every Trailblazer EXT year →

Reading this record

Complaint volume is well above typical for a single model year.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Recall repairs are free for as long as the recall stands. Check whether a specific car still has open work at NHTSA's VIN lookup.

Most recent recall on file: Oct 27, 2005. Source: NHTSA Office of Defects Investigation.