RoadVitals

2002 Chevrolet Trailblazer Ext Electrical Problems

Owner-reported complaints naming the electrical system, filed with NHTSA

Data refreshed

Electrical reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
14
Latest Aug 13, 2013
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
14%
of 100 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
2
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories. Every record below is an owner-reported complaint about the 2002 Chevrolet Trailblazer Ext submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 14 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming electrical

Shown in the owner’s own words, exactly as filed

Electrical
Filed Aug 13, 2013

OUTSIDE TEMPERATURE DISPLAYING 50 DEGREES REGARDLESS OF ACTUAL OUTSIDE TEMPERATURE. WHEN ACTUAL TEMPERATURES BELOW FREEZING THIS REPRESENTS A HAZARD. WHEN TEMPERATURES ABOVE 50 DEGREES AIR CONDITIONING NOT RESPONSIVE (EVEN WHEN TEMPERATURES IN EXCESS OF 100 DEGREES, "HEATER" COMES ON DUE TO ERRONEOUS OUTDOOR TEMPERATURE READING). POOR FUEL MILEAGE RESULTS FROM INCORRECT AIR/FUEL MIXTURE AT ACTUAL AIR TEMPERATURES MORE THAN 20 DEGREES +/- 50 DEGREE SYSTEM TEMPERATURE. *TR

NHTSA ID
10535148
Incident
Feb 1, 2013
Mileage
65,000 mi
ElectricalExterior lighting
Filed Jul 19, 2013
Fire reported

PULLED INTO DRIVEWAY, LIGHTS WOULD NOT GO OFF, A FEW MINUTES LATER SMOKE WAS COMING OUT FROM UNDER HOOD AND IT SMELLED LIKE BURNING PLASTIC. POPPED HOOD AND FUSE BLOCK AND RELAY WE SMOKING AND MELTING! GOT FIRE EXTINGUISHED AND PULLED THE HEAD LIGHT RELAY SWITCH, BUT IT HAD MELTED THROUGH THE BLOCK!!!! *TR

NHTSA ID
10525761
Incident
Jul 18, 2013
Mileage
177,000 mi
ElectricalExterior lighting
Filed Jun 28, 2013
Fire reported

THE HEADLIGHT WIRING INSIDE OF THE LENS ASSEMBLY OVER HEATS AND MELTS THE ELECTRICAL CONNECTOR GOING TO THE BULB AND THE INSULATION ON THE WIRING. THIS HAS HAPPENED TO BOTH HEADLIGHTS ON MORE THAN ONE OCCASION. HAD TO GO AND HAVE THE ELECTRICAL WIRING PLUS CONNECTOR REPLACED. *TR

NHTSA ID
10522271
Incident
Jun 27, 2013
Mileage
128,000 mi
Electrical
Filed Mar 19, 2011

LARGER OCCURRING ISSUES WHICH COULD EFFECT SAFETY INCLUDE THE VEHICLE RANDOMLY DECIDING TO CHANGE FROM 2WD/A4WD/4WDH4WDL WHENEVER IT WANTS TO UNDER VARIOUS WEATHER/ROAD CONDITIONS (INCLUDING PERFECT WEATHER AND ROAD SURFACE) AND OCCASIONAL RANDOM IGNITION SYSTEM FAILURE THIS IS NOT SAFE AT ALL I HAVE TAKEN IT TO THE CHEVY DEALERSHIP AND THEY SAID IT IS A SAFETY ISSUE AND THAT THEY NEED TO DO A RECALL ON IT THEY HAVE HAD SEVERAL RIGS LIKE THIS ONE COME IN FOR THE SAME ISSUE .. I BELIEVE THAT CHEVY GM NEEDS TO DO A RECALL AND HAVE THIS FIXED BEFORE I OR SOMEONE ELSE IS INJURED OR KILLED.. *TR

NHTSA ID
10392216
Incident
Mar 8, 2011
Mileage
130,000 mi
Electrical
Filed Jan 16, 2011

INTRUMENT PANEL QUITS FUNCTIONING AT ANY GIVEN TIME AND MAY START WORKING AT ANYTIME, ACCURACY IS QUESTIONABLE. THIS INCLUDES SPEEDOMETER, TEMPERATURE, CHARGING AND FUEL GAUGES. *LN

NHTSA ID
10376862
Incident
Dec 15, 2010
Mileage
19,000 mi
ElectricalVisibility
Filed Aug 31, 2010

OUR 2002 CHEVY TRAILBLAZER MIRRORS WILL NOT RESET TO THE MEMORY POSITIONS. THE MIRRORS CHANGE POSITIONS BY THEMSELVES AND HAVE TO BE READJUSTED EVERYTIME THE CAR IGNITION IS TURNED OFF. *TR

NHTSA ID
10352931
Incident
Jan 1, 2007
Mileage
30,000 mi
Body & structureElectricalEngine
Filed Mar 21, 2009

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 ID
10262619
Incident
Mar 5, 2009
Electrical
Filed Nov 19, 2008

I HAVE A 2002 TRAILBLAZER IN WHICH 4 OUT OF THE SIX INSTRUMENTS IN THE GAUGE CLUSTER HAVE STOPPED WORKING CORRECTLY WHICH IN TURN COULD BE A SAFETY ISSUE. *TR

NHTSA ID
10249206
Incident
Jun 22, 2008
Mileage
64,000 mi
Electrical
Filed Mar 11, 2008

BOTH REAR WINDOW REGULATORS WENT OUT AT THE SAME TIME NOT FROM WEAR HARDLY USED THEM MAKES TO MUCH NOISE. FOUR WHEEL DRIVE DIFFERENTIAL LOCKING HUB LOCKED IN WON'T COME OUT. ELECTRICAL PROBLEMS WITH RADIO, DASH LIGHTS, HEATED SEATS JUST TO NAME A FEW. IDLE NOT RIGHT STALLS OUT WHILE IN PARK SOMETIMES. NOTHING FIXED YET HAVE TO SAVE MONEY BECAUSE COST TO MUCH TO GO TO DEALER,IT COSTS A 100.00 JUST TO HAVE THEM HOOK UP TO MACHINE AND THEN IT SAYS NOTHING IS WRONG BUT ALL THIS IS WRONG ,IT DOES NOT COMPUTE. *TR

NHTSA ID
10220802
Incident
Oct 20, 2007
Mileage
90,000 mi
Electrical
Filed Aug 7, 2007

HVAC CONTROLS DON'T ALL WORK, RADIO INOPERATIVE AT TIMES, REAR WINDOWS WILL NOT MOVE UP OR DOWN, HAD TO REPLACE FAN CLUTCH. ALL RECENTLY. *JB

NHTSA ID
10198706
Incident
Jul 1, 2006
Mileage
45,000 mi
Electrical
Filed Sep 22, 2006

FACTORY INSTALLED BATTERY LEAKING ACID OUT OF THE SIDE MOUNTED TERMINALS AT 3.5 YEARS 40K MILES. NO WARRANTY COVERAGE AFTER 3 YEARS 36K. OTHER COMPLAINTS AND WEB-POSTINGS WITH SAME PROBLEM, OBVIOUSLY BATTERY IS DEFECTIVE. *NM

NHTSA ID
10168995
Incident
Jan 6, 2006
Mileage
40,000 mi
Electrical
Filed Nov 19, 2005

1.- ELECTRICAL SYSTEM FAILURE IN THE TRAILBLAZER EXT 2002 125,278 MILES. AC DELCO PROFESSIONAL BATTERY MAINTENANCE FREE 19001810 CATALOG 1810 (REPLACEMENT 78-6YR) HAS GREEN HYDROMETER COLOR BUT A SENSE ACID SMELL AROUND. 2.- TWO BUSINESS APPOINTMENTS WERE CANCELLED AND NO WAY TO GO OUT WITH THE CAR. I CALLED THE DEALERSHIP FOR ASSISTANCE FRIDAY 18, 7:30 P.M. AND LEAVE A VOICEMAIL. THE DEALER RETURN THE PHONE CALL SATURDAY 19, 7:30 A.M. LATER I CALL BACK 9:00 A.M. AND ASK THEM WHAT THEY THINK ABOUT AND WHERE TO START...WITH THE BATTERY?? BUT THEY SAID THAT THEY ARE BOOKED AND NOT ABLE TO TAKE ANY OTHER APPOINTMENT UNTIL MONDAY....JUST IN CASE HOW MUCH WOULD BE.. 75 $ PLUS LABOR 25 $ TOTAL AROUND 100 $. CONSEQUENCES: TWO POTENTIAL BUSINESS OPPORTUNITIES WERE LOST AS WELL AS THE OPPORTUNITY OF CAR ENJOYMENT AND FREEDOM. BATTERY REPLACED $ 80.99. ACID LEAKS THROUGH THE CAR. REQUEST FRIEND HELP FOR TIME TO BUY, DELIVER AND REPLACE THE BATTERY AT HOME. THE AC DELCO WEB SITE SAID THAT "THE BATTERY THAT COMES WITH A GM VEHICLE IS COVERED BY THE LIMITED WARRANTY OF THREE YEARS OR 36,000 MILES" IT IS REALLY NOT FAIR HOW A BATTERY CAN LOSE IT POSITIVE TERMINAL ITSELF AND WHY CONSUMER IS NOT COVERED AGAINST THIS DEFECT THAT INVOLVE TIME AND MONEY AS WELL AS OPPORTUNITIES AND MAJOR ACCIDENTS. 3.- SATURDAY 19, 10 A.M. I CALLED A FRIEND TO FIND ANOTHER BATTERY. BEFORE THAT WE TAKE OUT THE AC DELCO BATTERY FROM THE CAR THE POSITIVE TERMINAL WAS COMPLETELY SEPARATED FROM THE CASE AND ACID WAS LEAKING...IT IS UNBELIEVABLE. THE AC DELCO BATTERY HAS A GREEN HYDROMETER INDICATION. THE BATTERY WAS REPLACED WITH ANOTHER BRAND EXPENSES OF $ 80.99 WITHOUT CONSIDERATION OF TIMING, DRIVING AND GAS USED BY MY FRIEND AND MINE TO REPLACED THE AC DELCO BATTERY THAT HAD POSITIVE TERMINAL COMPLETELY SEPARATED . *JB

NHTSA ID
10143256
Incident
Nov 17, 2005
Mileage
125,278 mi
Electrical
Filed Sep 29, 2005

2002 CHEVY TRAILBLAZER LEFT BRAKE LIGHT OUT AFTER TWO REPAIRS. THERE IS A PROBLEM WITH THIS VEHICLE TYPE OTHER TRAILBLAZERS HAVE LEFT LIGHT OUT AS WELL. DEALER HAS REPAIRED TWICE, NOW WARRANTY IS EXPIRED AND POLICE HAVE PULLED ME OVER INFORMING ME THAT I NEED TO GET IT FIXED,AGAIN! I BOUGHT NEW LIGHTS STILL LEFT WON'T WORK. *NM

NHTSA ID
10138078
Incident
Sep 28, 2005
Mileage
20,000 mi
Electrical
Filed Dec 12, 2004

ELECTRICAL PROBLEM REAR VIEW MIRROR COMPASS NOT READING RIGHT AND OUTSIDE TEMP. NOT READING CORRECT ON A HOT 80 DEGREE DAY. READS -33 AND NOW MY A/C WONT WORK BECAUSE IT SAYING THAT'S ITS TOO COLD FOR THE A/C TO BE ON. *JB

NHTSA ID
10102796
Incident
Aug 14, 2004
Mileage
15,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .