FaultScore

Chevrolet Trailblazer EXT 370 electrical problems

122 of the 370 complaints filed about the Chevrolet Trailblazer EXT 370 are about the electrical system — 33% of everything owners reported. The worst model year for it is 2005.

122

Complaints

33%

Share of all complaints

2

Crashes

3

Fires

Electrical System complaints by model year

Median failure at 162,000 miles

Median failure at 140,000 miles

Median failure at 100,000 miles

Median failure at 71,000 miles

Median failure at 71,800 miles

What owners said

2005 Chevrolet Trailblazer EXT 370 Greenfield, OH

ELECTRICAL SYSTEM

THE WHOLE INSTRUMENT CLUSTER DOES NOT WORK ANYMORE, DOES NOT LET ME KNOW HOW FAST I'M GOING OR HOW MUCH FUEL I HAVE, OIL PRESSURE GAUGE DOESN'T WORK, TEMPERATURE GAUGE DOESN'T WORK... WHY HASN'T THIS BEEN RECALLED? THIS IS VERY DANGEROUS, CONSIDERING I HAVE 4 KIDS THAT ARE CONSTANTLY IN THE CAR WITH ME AND I HAVE NO IDEA WHAT IS GOING ON WITH MY VEHICLE?? AND IT ALSO TELLS ME THAT MY FUEL LEVEL IS LOW, EVEN AFTER I FILL MY TANK. THIS SEEMS LIKE A VERY COMMON PROBLEM IN THESE VEHICLES, WHY HAS IT NOT BEEN CONSIDERED A SAFETY ISSUE????

NHTSA complaint #11140001 — an unverified report by a vehicle owner.

2005 Chevrolet Trailblazer EXT 370 at 81,000 miles Hopewell, VA

ELECTRICAL SYSTEM

I HAVE 2005 CHEVROLET TRAILBLAZER 4WD EXT LS 4.2 LITER. I NOTICED OVER PAST 3 YEARS THAT I BE AT DRIVE THROUGH FOR BURGERS AND ETC. THE CAR WOULD CUT OFF. I DID NOT THINK MUCH OF IT AT THE TIME. IT HAS GOTTEN CRITICALLY WORSE. IT WOULD CUT OFF IN MIDDLE OF THE HIGHWAY, DRIVE THROUGHS AND ETC. DURING THE PAST TWO YEARS I HAVE RE THE LUSTER AND OVER HEAD DOME LIGHT FLICKER. HEAD LIGHTS VERY DIM ON DRIVING ALSO I HAVE REPLACED ON THIS VEHICLE THE FUEL THROTTLE AND SENSOR, A CRANK SENSOR A CAM SENSOR, A TEMP SENSOR 4 POWER STEERING PUMPS NEW THE POWER STEERING RACK AND ASSEMBLY WHEEL HUBS AND BEARINGS, ALL NEW COILS SPARK PLUGS, BELT IDLE PULLEY POWER STEERING PULLEY CHANGE OIL EVERY 3,000 MILES AIR FILTER CHANGE BATTERY, UPDATED SOFT WARE, FLUSH FUEL SYSTEM, SERVICE THE AIR CONDITION REPLACED REAR SHOCKS, GM RELACED PULLEY ON ENGINE 2010 REPLACED THE PVC HOSE FLUSH RADIATOR AND BRAKE SYSTEM, ROTATION AND ALIGNMENT DONE EVERY 5000 MILES, REPLACED HEADLIGHT LOW BEAM BULBS AND LEFT TAIL LIGHT ASSEMBLY AND LENS, I HAD IT TO CHEVROLET PRIVATE MECHANIC GARAGE AND NOTHING IS READING WRONG ALSO NOTICE THE ECM NOT STORING THE SERVICE ENGINE LIGHT STAY A MICROSECOND ON. THIS HIGHLY DANGEROUS CAN STAL OR QUIT AND BE RUN OVER ON HIGHWAY. I NOTICED ON THE WEB ON CARS COMPLAINT.COM AMANY PEOPLE HAVE CMPLAINTED THIS ISSUE.CHEVROLET HAD INVESTIGATED THS ISSUE AAAAAND NO RESOLVE. I FELT THE VEHIHICLE MAY HAVE A SHORT R A BAD ALTERNATOR OR STARTER. .VEHIVLE WAS SITTING AT INTERSECTION I NOTICED IT TRIES TO STALL ON DRIVING ALSO. ALL RECORDS ARE WITH CAR.

NHTSA complaint #11100524 — an unverified report by a vehicle owner.

2005 Chevrolet Trailblazer EXT 370 at 750 miles Kittanning, PA

ELECTRICAL SYSTEM

FOR THE 3RD TIME THE CLUSTER HAS GONE OUT. THIS RESULTS IN THE SPEEDOMETER, TEMPERATURE GAUGE AND OTHERS TO STOP WORKING. EACH TIME I AM EXPECTED TO TAKE MY VEHICLE TO A CHEVROLET MECHANIC FOR DIAGNOSIS AND PART REPLACEMENT AT $700.00+ EACH TIME. THIS MODEL HAS NO RECALL. I AM FED UP WITH PAYING THIS MUCH EVERY 3-4 YEARS FOR A DEFECTIVE PART. THERE HAS NEVER BEEN ANY SIGN BEFORE IT GOES OUT.

NHTSA complaint #11005176 — an unverified report by a vehicle owner.

2006 Chevrolet Trailblazer EXT 370 at 35 miles Charlotte, NC

ELECTRICAL SYSTEM

I WAS DRIVING ON THE AND RIGHT IN THE MIDDLE OF TRAFFIC AND THE CAR JUST SHUT OFF . I TRY TO RESTART AND IT START UP WHEN I TRY TO PROCEED IT SHUT OFF AND WOULD NOT START BACK UP AT ALL.

NHTSA complaint #10969532 — an unverified report by a vehicle owner.

2005 Chevrolet Trailblazer EXT 370 Oconomowoc, WI

ELECTRICAL SYSTEM

OUR 2005 CHEVY TRAILBLAZER SPEEDOMETER STOPPED WORKING. THIS HAS HAPPENED ON MANY OF THESE VEHICLES. IT IS A VERY EXPENSIVE FIX AND IT'S A DANGER TO DRIVERS NOT KNOWING HOW FAST THEY ARE TRAVELING.

NHTSA complaint #10966245 — an unverified report by a vehicle owner.

2005 Chevrolet Trailblazer EXT 370 at 90,000 miles ROY, UT

ELECTRICAL SYSTEM

THERE IS ALREADY A RECALL OUT FOR THE 2006 MODEL YEAR, BUT I KNOW THAT MINE IS PART OF IT. I HAVE A 2005 TRAILBLAZER AND THE HEADLIGHTS KEEP INTERMITTENTLY GOING OUT AS I AM DRIVING DOWN THE ROAD. THIS PROBLEM AS HAPPENED TO ME BEFORE IN THE PAST AND I WAS ABLE TO FINALLY REMEDY THE ISSUE BY REPLACING THE RELAY. THE PROBLEM HAS NOW RETURNED AND I HAVE EVEN BEEN PULLED OVER MULTIPLE TIMES FOR IT. AFTER DOING A QUICK GOOGLE SEARCH TODAY I DISCOVERED THAT THERE ARE TONS!!!!! OF PEOPLE WITH THE SAME ISSUE GOING BACK AS FAR AS 2002. HTTP://WWW.TOPIX.COM/FORUM/AUTOS/CHEVROLET-TRAILBLAZER/T32JTL93I9FKAUF4N HTTP://FORUMS.TRAILVOY.COM/SHOWTHREAD.PHP?T=47492 HTTP://CHEVROLETFORUM.COM/FORUM/TRAILBLAZER-27/2003-TRAILBLAZER-HEADLIGHTS-2588/ I ALSO RAN ACROSS THAT GM HAS ISSUED A RECALL FOR HEADLIGHTS, BUT IT ONLY COVERS YEARS 2006-2008. HTTP://FORTUNE.COM/2014/12/01/GM-RECALLS-316000-VEHICLES-BECAUSE-OF-MALFUNCTIONING-HEADLIGHTS/ CLEARLY!!!! THIS PROBLEM IS NOT LIMITED TO THOSE YEARS AND THERE ARE A LOT OF PEOPLE SUFFERING FROM THE SAME ISSUE OF NOT BEING ABLE TO SEE AT NIGHT.. WHAT DO I NEED TO DO SO THAT I CAN GET THIS PROBLEM TAKEN CARE OF? PLEASE RESPOND QUICKLY AS WINTER IS RAPIDLY APPROACHING AND THIS IS A DAILY DRIVER FOR ME. I GO TO WORK EARLY IN THE MORNING WHEN IT IS DARK AND BY THE TIME I COME HOME AGAIN IT IS ALREADY GETTING DARK. IT WOULD BE NICE TO ACTUALLY BE ABLE TO SEE AS I AM GOING DOWN THE ROAD AND EVEN TO HAVE OTHERS BE ABLE TO SEE ME COMING AS WELL.

NHTSA complaint #10822072 — an unverified report by a vehicle owner.

2003 Chevrolet Trailblazer EXT 370 at 70,000 miles Bellevista, AR

ELECTRICAL SYSTEM

2003 CHEVROLET TRAILBLAZER 370 REAR PASSENGER SIDE DOOR ELECTRICAL WINDOW CONTROL SWITCH WOULD NOT COMPLETELY CLOSE WINDOW . SMELLED LIKE ELECTRICAL WIRE BURNING. HAD VEHICLE STOP AT TIME AND HAD ASSISTANCE IN REMOVING DOOR INTERIOR PANEL AND FOUND ELECTRICAL WINDOW SWITCH COMPLETELY MELTED AND WIRE CONNECTION BURNED . PERSONAL VEHICLE USED ON VACATION, STOPPED JUST OFF HIGHWAY AT TIME .

NHTSA complaint #10817099 — an unverified report by a vehicle owner.

2006 Chevrolet Trailblazer EXT 370 at 126,000 miles Brazoria, TX

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE THE VEHICLE WAS STOPPED AT A RED LIGHT, THE HEADLIGHTS FAILED TO ILLUMINATE. THE FAILURE RECURRED TWICE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 126,000.

NHTSA complaint #10794560 — an unverified report by a vehicle owner.

2005 Chevrolet Trailblazer EXT 370 Rialto, CA

ELECTRICAL SYSTEM

ELECTRICAL ISSUES:VEHICLE DASHBOARD LIGHTS WILL SHOW DOOR GATE OPEN, DOOM LIGHTS WIL BE ON, RINGING BELL WHEN THE DOOR WOULD BE OPEN AND YET ITS ACTUALLY CLOSED, AS ALL CONTINUES TO GO AT ANY GIVEN TIME WHEN THE VEHICLE IS IN MOVEMENT. SPEED ODOMETER GAGE DOESN'T READ WHEN VEHICLE IS IN MOVEMENT AND THE GAS GAGE DOESN'T READ THE CORRECT LEVEL OF SHOWING HOW MUCH GAS IS IN VEHICLE. THIS IS A BIG SAFETY ISSUES CAUSE IT HAS ME WORRIED OF NOT KNOWING HOW MUCH GAS I HAVE BEFORE IT RUNS OUT OF GAS RISKING MYSELF AND OTHERS BECAUSE VEHICLE ALL OF A SUDDENNESS LOSES SPEED AND SHUTS DOWN.

NHTSA complaint #10788846 — an unverified report by a vehicle owner.

2005 Chevrolet Trailblazer EXT 370 at 139,000 miles Uxbridge, MA

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE WHEN THERE WAS MOISTURE IN THE AIR, THE DRIVER SIDE MASTER SWITCH FAILED TO OPERATE WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 13V248000 (ELECTRICAL SYSTEM, VISIBILITY). THE FAILURE MILEAGE WAS 139,000.

NHTSA complaint #10778934 — an unverified report by a vehicle owner.

2006 Chevrolet Trailblazer EXT 370 at 71,800 miles Roswell, NM

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE OPERATING THE VEHICLE, THE FUEL GAUGE WOULD ERRONEOUSLY INDICATE THAT THE FUEL TANK WAS EMPTY. AFTER RESTARTING THE VEHICLE, THE FUEL GAUGE WOULD PROVIDE AN ACCURATE FUEL READING BEFORE DISPLAYING EMPTY AGAIN. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 71,800.

NHTSA complaint #10767289 — an unverified report by a vehicle owner.

2005 Chevrolet Trailblazer EXT 370 at 126,000 miles Jackson, MO

ELECTRICAL SYSTEM

MY SPEEDOMETER AND OIL GAUGE JUST QUIT WORKING FOR NO APPARENT REASON AND DOES NOT COME BACK ON UNTIL HOURS LATER.

NHTSA complaint #10730224 — an unverified report by a vehicle owner.

2005 Chevrolet Trailblazer EXT 370 at 78,000 miles Munster, IN

ELECTRICAL SYSTEM

SINCE OCTOBER 2014 THE SPEEDOMETER WOULD RANDOMLY START UP AT DIFFERENT INITIAL POINTS. SOME DAYS IT WOULD START AT 60 MPH, 10MPH AND RECENTLY IT STARTS UP AT 110MPH. WHEN THE VEHICLE IS IN MOTION THE NEEDLE WOULD MOVE WHEN ACCELERATING BUT THE READINGS ARE COMPLETELY INACCURATE. I HAVE READ VARIOUS ONLINE BLOGS OF THIS SAME INCIDENT HAPPENING TO NUMEROUS CHEVY TRAILBLAZERS IN GENERAL. GM DOES NOT HAVE THIS PROBLEM AS A RECALL THEREFORE I WOULD FORMALLY LIKE TO MAKE A COMPLAINT. THANK YOU FOR YOUR TIME.

NHTSA complaint #10690849 — an unverified report by a vehicle owner.

2003 Chevrolet Trailblazer EXT 370 at 140,000 miles Yorkville, IL

ELECTRICAL SYSTEM

TL*THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE WINDOWS FAILED TO ROLL UP OR DOWN. ALSO, THE CONTACT MENTIONED THAT THE HEATED SEAT WOULD NOT TURN OFF. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 140,000.

NHTSA complaint #10678582 — an unverified report by a vehicle owner.

2003 Chevrolet Trailblazer EXT 370 at 150,000 miles Greenbay, WI

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE TURN SIGNALS DO NOT FUNCTION PROPERLY AND THE HAZARD LIGHTS ILLUMINATED INSTEAD OF THE TURN SIGNALS. THE CONTACT WAS ABLE TO PRESS THE BUTTON FOR THE HAZARD LIGHTS WHEN NEEDED, BUT NOT THE TURN SIGNALS. THE VEHICLE WAS NOT DIAGNOSED. THE FAILURE CONTINUED AND CAUSED THE FRONT HEADLIGHT ASSEMBLY AND THE REAR HEADLIGHT ASSEMBLY TO SHORT AND DIM WITH NO WARNING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.

NHTSA complaint #10669711 — an unverified report by a vehicle owner.

2002 Chevrolet Trailblazer EXT 370 at 120,000 miles Garland, TX Crash Fire 1 injured

ELECTRICAL SYSTEM

I WAS SLOWING DOWN AS I WAS ENTERING AN INTERSECTION AND THERE WAS TRAFFIC IN FRONT OF ME. I SUDDENLY LOST ALL POWER STEERING AND POWER BRAKES AND STRUCK THE CAR IN FRONT OF ME. NONE OF THE OCCUPANTS OF EITHER VEHICLE WAS HURT, PER POLICE REPORT. ON MY WAY TO THE COLLISION CENTER NEAR HOME, THE CAB OF THE TRUCK FILLED SUDDENLY WITH VERY BLACK SMOKE, SO THICK I COULDN'T SEE AND HAD TO IMMEDIATELY TRY TO PULL OFF THE ROAD. BY THE TIME I GOT TO THE SIDE OF THE ROAD THERE WERE FLAMES IN THE CAB AS WELL. WHEN I FINALLY GOT OUT OF THE TRUCK MY CLOTHES WERE ON FIRE. I WAS TAKEN BY AMBULANCE TO THE NEAREST HOSPITAL AND HAD TO BE TREATED FOR 1ST AND 2ND DEGREE BURNS OF THE FACE, SCALP, EYES, CALF, AND BOTH HANDS. MY RIGHT (DOMINANT) HAND WAS BURNED THE WORST, AS I HAD TRIED TO GET TO THE FIRE EXTINGUISHER I KEPT IN THE BACK. THE ENTIRE TRUCK BURNED EXCEPT THE LAST ROW OF SEATS (PARTIALLY BURNED) AND THE BACK DOOR. I AM STILL HAVING TO GO TO A WOUND CARE CENTER ON A WEEKLY BASIS, AND MY BANDAGES HAVE TO BE CHANGED DAILY. I HAD TO GET A FLAT-TOP HAIRCUT TO GET RID OF ALL MY HAIR BURNED OFF, AND I HAVE TO HAVE HELP FOR ALMOST EVERYTHING SINCE MY "GOOD" HAND WAS THE WORST INJURED. I HAVEN'T GOTTEN A GOOD NIGHT'S SLEEP SINCE, DUE TO PAIN AND NIGHTMARES ABOUT BURNING. I FEEL AS THOUGH MY LIFE HAS BEEN TORN APART, ALL BECAUSE OF SOMETHING VERY WRONG WITH MY VEHICLE THAT SHOULDN'T HAVE BEEN.

NHTSA complaint #10662229 — an unverified report by a vehicle owner.

2004 Chevrolet Trailblazer EXT 370 at 100,000 miles Alsip, IL

ELECTRICAL SYSTEM

I PARKED THE CAR IN MY DRIVEWAY AND THE PASSENGER SIDE MIRROR STARTED CLICKING. THE MIRROR WAS ATTEMPTING TO ROTATE TO THE EXTREME CAR SIDE OF THE MIRROR. USING THE REMOTE MIRROR CONTROL HAD NO EFFECT.THE CAR WAS TURNED OFF AND THE MIRROR MOTOR CONTINUED TO TRY TO MOVE THE MIRROR PAST THE LIMIT. AFTER SEVERAL MINUTES, THE CLICKING STOPPED AND THERE WAS AN ODOR OF PLASTIC BURNING. AFTER THE CLICKING STOPPED, NEITHER MIRROR MOVED. THE LOCAL MECHANIC SAID THE WIRING TO THE MOTOR HAD BURNED AND SHORTED THE MECHANISM. I WAS LUCKY THAT THERE WAS NO DAMAGE TO THE INTERIOR OF THE DOOR. HAS THIS MALFUNCTION BEEN A PROBLEM WITH THE TRAILBLAZERS?

NHTSA complaint #10652929 — an unverified report by a vehicle owner.

2003 Chevrolet Trailblazer EXT 370 at 160,000 miles Jacksonville, NC

ELECTRICAL SYSTEM

WE WERE DRIVING DOWN THE HIGHWAY WHEN OUR REAR PASSENGER DOOR FLEW OPEN, AND WILL NOT STAY CLOSED OR LOCK. WE HAD TO DRIVE WITH SOMEONE BACK THERE HOLDING IT SHUT TIL WE GOT TO A STORE TO RATCHET STRAP IT CLOSED. I CALLED CHEVY WHEN I SEEN IT WAS PART OF A RECALL FOR THE 2005 BUT THEY WOULD NOT LOOK AT MINE BECAUSE IT WAS NOT THE SAME YEAR AS THE RECALL AND WANT ME TO PAY OUT OF POCKET TO FIX THE PROBLEM, AND WOULD NOT TELL ME K=NAME OF THE PART TO SEE IF I COULD BUY IT AND FIX IT OURSELVES A LOT CHEAPER.

NHTSA complaint #10652805 — an unverified report by a vehicle owner.

2002 Chevrolet Trailblazer EXT 370 at 204,000 miles Temple, PA

ELECTRICAL SYSTEM

THE `PLATE LIGHT DON T WORK REAR WIPER DOME LIGHT WON T SHUT OFF AUTO DOOR WON T UNLOCK WITH REMOTE SOME TIME DOOR LOCKS AUTO WITH OUT HITTING SWITCH THIS SCARY ALL MY DASH LIGHTS COME ON BUT DON T SHUT DOWN CAR PULL OVER AN RE STARTER IT.

NHTSA complaint #10643940 — an unverified report by a vehicle owner.

2003 Chevrolet Trailblazer EXT 370 Georgetown, OH

ELECTRICAL SYSTEM

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT. WE DID TAKE IT IN SEVERAL TIMES AND THEY CAN NOT FINE A PROBLEM. THEY SAID THEY CAN CHANGE THIS N THAT SENOR BUT COULDN'T SAY THAT WOULD EVEN FIX IT. BUT COST US $$$$$$ WHY CAN'T SOME ONE FINE OUT DO A RECALL WE HATE DRIVING ON OUR HIGHBEAM AND SO DOES THE PEOPLE WE PASS OR GET BEHIND. WE DO TRY AND TURN THEM OFF WHEN WE PASS OTHER BUT THAT IS DANGERS AS WELL.PLEASE HELP WE WANT TO KEEP OUR TRAILBLAZER AND STAY ALIVE.

NHTSA complaint #10630361 — an unverified report by a vehicle owner.

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