Reports submitted to NHTSA by owners and drivers, shown in full
Data refreshed
Complaints on fileComplaints 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.
1,081
Latest Aug 9, 2025
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
87
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Jan 30, 2004
What this page shows
Our database holds 1,081 NHTSA owner-reported complaints for the 2004 Chevrolet Trailblazer. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Complaints, most recent first
Showing 1–25 of 1,081 · page 1 of 44
Airbags
Filed Aug 9, 2025
Crash reported
I was driving and a girl pulled out from a stop sign and hit my passenger side front of my trailblazer. Her airbags deployed immediately, meanwhile mine didn't deploy. My husband saved my face by throwing his arm over me!
NHTSA ID
11679602
Incident
Aug 9, 2025
Exterior lighting
Filed Sep 8, 2022
The contact owns a 2004 Chevrolet Trailblazer. The contact stated while driving at various speeds, the headlights became inoperable. After a while, the headlights became operational. There were no warning lights illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The approximate failure mileage was 189,000.
NHTSA ID
11483548
Incident
Mar 1, 2022
Mileage
189,000 mi
ElectricalEnginePowertrain (other)
Filed Jan 6, 2022
Electronic throttle body? No throttle control, motor will only idle, turn ignition switch off, then restart it will run. Reduced Engine Power light comes on. Happens for no apparent reason. Very unsafe situation.
NHTSA ID
11446505
Incident
Jan 1, 2021
Other / unspecified
Filed Jan 6, 2022
Fire reported1 injury reported
The contact owned a 2004 Chevrolet Trailblazer. The contact stated that while driving at an undisclosed speed, there was smoke coming from the rear passenger side. The contact pulled over and noticed that underneath the rear passenger's seat had caught fire. The fire department was able to extinguish the fire. The contact sustained burns to his left shoulder, hands, and elbows. However, no medical treatment was received. A police report was filed. The contact was unaware if there was a fire department report. The vehicle was towed to a tow yard and deemed totaled by the insurance company. The manufacturer was not made aware of the failure. The failure mileage was approximately 153,000. Vehicle caught on fire on the inside driving.
NHTSA ID
11446470
Incident
Jan 4, 2022
Mileage
153,000 mi
Tires & wheels
Filed Dec 6, 2021
The contact owns a 2004 Chevrolet Trailblazer equipped with Hankook tires Model:Dynapro HT Tire Size: P245/70R16 Dot Number:Unknown. The contact stated that she had both rear tires, driver side and passenger side, replaced with the Hankook tires by an independent mechanic. After the instillation, the contact stated that the vehicle would shake while driving at various speeds without warning . The vehicle was taken to another independent mechanic who inspected the tires and made adjustments; however, the shaking persisted. While driving at 65 MPH, the lost control of the vehicle's steering as the vehicle began to abruptly fishtail. As the vehicle continued to spin out of control, the contact was able to stop the vehicle moments before the vehicle hit a highway barrier. The contact discovered that the rear driver side tire tread had separated from the rim of tire. Due to the failure, the contact had the tire replaced with a spare and was able to drive the vehicle home. The contact called the place where the tires were purchased; they offered no assistance and stated they were no responsible for the failure. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The tire failure mileage was approximately 1,700. The vehicle failure mileage was approximately 89,000.
NHTSA ID
11442866
Incident
Dec 4, 2021
Mileage
89,000 mi
Driver assistanceFuel system
Filed May 1, 2021
FUL PUMP
NHTSA ID
11414718
Incident
Apr 3, 2021
Mileage
35 mi
ElectricalExterior lighting
Filed Jan 5, 2021
MY CLUSTERBOARD IS COMPLETELY NON FUNCTIONING THE READINGS ARE NOT WORKING
NHTSA ID
11386667
Incident
Jul 19, 2019
Fuel system
Filed Aug 18, 2020
TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THE HE NOTICED A FUEL ODOR EMITTING FROM UNDERNEATH THE DRIVER'S SIDE OF THE VEHICLE. THE CONTACT ALSO STATED THAT THE FUEL MILEAGE HAD ALSO DECREASED WHEN DRIVING THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO HAVE AN EVAP SMOKE TEST PERFORMED ON HIS VEHICLE. THE RESULT OF THE TEST DISCOVERED THAT A CRACK HAD FORMED ON THE FUEL NECK THAT CONNECTS TO THE FUEL TANK, WHICH WAS THE CAUSE OF THE FAILURE. THE CONTACT THEN SPOKE WITH J.B.A. CHEVROLET (7327 RITCHIE HWY, GLEN BURNIE, MD 21061) WHERE HE WAS INFORMED THAT THERE WERE NO RECALLS ON THE VEHICLE FOR THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 126,432.
NHTSA ID
11350043
Incident
Jul 28, 2020
Mileage
126,432 mi
Driver assistanceEnginePowertrain (other)
Filed Jun 8, 2020
TRANSMISSION SLIPPING AND THE HEATER CIRCUIT. *TR
NHTSA ID
11327845
Incident
Jan 16, 2006
ElectricalFuel system
Filed Jun 6, 2020
AS YOU COME TO A COMPLETE STOP OR GO UNDER 5 MPH, THE VEHICLE'S OIL GAUGE WILL GO ALL THE WAY DOWN. ONCE YOU ACCELERATE, THE OIL GAUGE GOES BACK TO NORMAL. WHEN PUMPING GAS INTO THE VEHICLE, THE GAS PUMP WILL RESET AS IF THE GAS TANK IS FULL BUT THE GAUGE SHOWS IT'S HALF EMPTY. *TR
NHTSA ID
11327578
Incident
Jun 1, 2020
Mileage
176,000 mi
Electrical
Filed Feb 10, 2020
MOST OF THE GAUGES ARE VERY ERRATIC WHEN IN MOTION OR STOPPED. TACHOMETER JUMPS AROUND, OIL PRESSURE READS ALL OVER, SPEEDOMETER GOES TO ZERO OR FULL SCALE, AMP METER DROPS BELOW 14 AND LIGHTS DIM WHEN THIS HAPPENS, (HAVE HAD THE ALTERNATOR REPLACED 3 TIMES, THIS IS QUITE A SAFETY CONCERN FOR ME AS I HAVE NO IDEA WHAT TO BELIEVE ON ANY OF THE GAUGES. NO REPAIR SHOP HAS BEEN ABLE TO SOLVE THE PROBLEM.
NHTSA ID
11308287
Incident
Jan 2, 2017
Mileage
80,000 mi
Interior & seats
Filed Oct 11, 2019
Fire reported
TL* THE CONTACT'S SON OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE DRIVER'S SIDE WINDOW LOOKED ABNORMAL. WHEN THE DOOR WAS OPENED, THE CONTACT NOTICED THAT THE DRIVER'S SEAT HAD CAUGHT FIRE AND EXTINGUISHED ITSELF OUT. FIRE AND POLICE REPORTS WERE NOT FILED. THERE WERE NO INJURIES. THE VEHICLE WAS NOT TAKEN TO A DEALER OR INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING OR REPAIRS. THE MANUFACTURER INFORMED THE CONTACT THAT THERE WAS NO RECALL TO PROVE THAT THE MALFUNCTION WAS A MANUFACTURER DEFAULT. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS APPROXIMATELY 190,000. *LN PHOTOS ATTACHED. *JB
NHTSA ID
11267981
Incident
Oct 1, 2019
Mileage
190,000 mi
Airbags
Filed Oct 1, 2019
Crash reported
WELL I HIT A TREE AN THE AIRBAGS DIDN'T DEPLOYED BUT THE AIRBAG LIGHT IS ON
NHTSA ID
11265285
Incident
Sep 29, 2019
Mileage
186,990 mi
Electrical
Filed Sep 16, 2019
1 OWNER VEHICLE - BOUGHT IN 2004 & HAD 8 MILES ON IT. HAS BEEN VERY WELL KEPT & CURRENTLY HAS ONLY 65,000 MILES ON IT AS OF 9/16/19. AS OTHERS, THE ELECTRICAL CLUSTER HAS MALFUNCTIONED. SPEEDOMETER QUIT WORKING OVER A YEAR AGO & NOW THE FUEL GAUGE HAS FAILED. PROBLEM IS WITH THE CLUSTER AS "ESTIMATED MILEAGE" STILL WORKS. HAVE NOTICED THAT OTHER GAUGES ACT ERRATIC AT TIMES. THIS HAS BEEN AN ONGOING ISSUE THAT CHEVY IS WELL AWARE OF YET FAIL TO ACT. TO TB TO DEALER FOR REPAIRS THEY STATED THERE IS NO RECALL. COST OUT OF MY POCKET FOR REPAIR WILL BE OVER $800.00. SPEEDOMETER ORIGINALLY FAILED WHILE DRIVING ON HWY. IT STARTED TO WORK AGAIN BUT FAILED AGAIN WHILE DRIVING ON THE HWY A FEW WEEKS LATER. FUEL GUAGE SIMPLY STOPPED WORKING AFTER STARTING VEHICLE.
NHTSA ID
11256012
Incident
Oct 1, 2018
Mileage
60,000 mi
Exterior lighting
Filed Aug 8, 2019
TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 45 MPH, THE LOW BEAM HEADLIGHTS WENT OUT WITHOUT WARNING. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO WAS UNABLE TO DUPLICATE THE FAILURE; HOWEVER, THEY REPLACED THE FRONT PANEL SWITCH AND CONNECTOR. THE FAILURE RECURRED. THE DEALER AND MANUFACTURER WERE NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 146,577.
NHTSA ID
11242455
Incident
Sep 24, 2018
Mileage
146,577 mi
Electrical
Filed Jul 29, 2019
1 injury reported
WHEN DRIVING OUR VEHICLE FROM MYRTLE BEACH THIS WEEK WE NOTICED A SMELL ABOUT HALF WAY HOME THAT REEKED OF ROTTEN EGGS. THE SMELL WAS SO BAD THAT I BECAUSE NAUSEOUS AND DEVELOOED A SEVERE HEADACHE. AFTER WE REACHED OUR HOUSE AND SHUT OFF THE VEHICLE THE NEXT DAY I TRIED TO CRANK THE VEHICLE AND IT WOULD NOT CRANK SO AFTER RESEARCHING THE SMELL AND POSSIBLE CAUSES WE BOUGHT A NEW BATTERY FOR THE VEHICLE AND CHANGED THE BATTERY OURSELVES WHICH CAUSED MY HUSBAND TO DEVELOP A SEVERE COUGH AND UPPER RESPITORY PROBLEMS DUE TO THE BOILING THAT WAS OCCURING INSIDE THE BATTERY. HENCE THE SMELL OF ROTTEN EGGS.
NHTSA ID
11240455
Incident
Jul 25, 2019
Mileage
196,000 mi
Driver assistanceElectricalPowertrain (other)
Filed Jul 27, 2019
ACCELERATING ON IT'S OWN AND IDLING
NHTSA ID
11235303
Incident
Jul 4, 2019
Mileage
180,000 mi
Fuel system
Filed Jul 24, 2019
SMELL OF GAS WHEN DRIVING VERY STRONG MUST DRIVE WITH WINDOW OPEN
NHTSA ID
11234486
Incident
Jul 22, 2019
Mileage
146,000 mi
Airbags
Filed Jul 2, 2019
Crash reported2 injuries reported
TAKATA RECALL/ I WAS IN A ACCIDENT AND MY AIR BAGS NEVER WENT OFF WHY IS THAT I THOUGHT IT WAS A SAFTEY FEATURE?
NHTSA ID
11228922
Incident
Jun 27, 2019
Mileage
269,000 mi
Body & structure
Filed Jun 14, 2019
TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE THE BRAKES WERE BEING SERVICED BY AN INDEPENDENT MECHANIC, THE TECHNICIAN NOTICED THAT THE ENTIRE FRONT END FRAME WAS RUSTED. THE DEALER AND THE MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 150,542.
NHTSA ID
11220150
Incident
Jun 14, 2019
Mileage
150,542 mi
Electrical
Filed May 31, 2019
WHEN IN MOTION, THE FUEL GAUGE AND SPEEDOMETER STOPPED WORKING. THE SPEEDOMETER PROBLEM BEGAN WHEN I WAS ON THE HIGHWAY AND 100 MILES AWAY FROM HOME. WHEN THE PROBLEM BEGAN, THE GAUGES WOULD SPORADICALLY MOVE UP AND DOWN. NOW THEY DO NOT MOVE UP.
NHTSA ID
11217048
Incident
Oct 20, 2010
Mileage
45,000 mi
BrakesExterior lighting
Filed May 31, 2019
BRAKE LIGHTS FLICKER OFF AND ON. WHEN THE VEHICLE IS IN MOTION AND BRAKES ARE PRESSED, THE BRAKE LIGHTS DO NOT LIGHT UP. THIS CONTINUES TO HAPPEN WITH A NEW LIGHT BULB PLACED IN.
NHTSA ID
11217043
Incident
May 17, 2019
Mileage
90,000 mi
Fuel system
Filed May 25, 2019
I OWN A 2004 CHEVROLET TRAILBLAZER EXT AND JUST LIKE THE THOUSANDS OF OTHERS MINE HAS A DEFECTIVE GAS TANK FILLER ON THE TOP OF THE TANK. IT'S A KNOWN BAD PART FEOM THE FACTORY. MINE HAS HAD A HOLE FOR A WHILE NOW. IT CAN LITERALLY LEAK OVER 10 GALLONS OF GAS A DAY IF YOU FILL THE TANK TO FULL. EVEN IF YOU DON'T THE SMELL OF GAS IN AND AROUND THE VEHICLE IS TERRIBLE. MY CHECK ENGINE LIGHT IS ON BECAUSE OF IT. IT RUNS LIKE CRAP BECAUSE OF IT. WHAT'S MORE DANGEROUS THAN SPILLING GAS EVERYWHERE YOU GO!? SOME PEOPLE HAVE HAD CHEVY PAY FOR THE REPAIRS ON THERE 2004 TRAILBLAZER. LOOK IT SHOULDN'T MATTER WHAT YOUR VIN# IS OR HOW MANY MILES AT THIS POINT (I JUST HIT 150,000) THE GAS TANKS ON THESE VEHICLES ARE FAULTY, THEY'RE DANGEROUS, THEY'RE EXSPENSIVE. I SURELY DONT HAVE $800-$1500 LAYING AROUND TO FIX A PART THAT IS KNOWN AND PROVEN TO BE BAD. WE ALL KNOW TBEY ARE BAD, CHEVROLET KNOWS IT, THE NHTSA KNOWS IT. THE KICKER IS YOU CANT EVEN FIND USED GAS TANKS FOR THESE THINGS TO SAVE MONEY. EVERY SINGLE ONE IS JUNK OR ALREADY REPLACED ONE THAT WAS JUNK. IT IS COMPLETELY CRAZY THAT THE OWNERS OF THESE VEHICLES WHERE NEVER PROBABLY TAKEN CARE OF IN REGARDS TO THIS ISSUE WITH THE GAS TANKS
NHTSA ID
11209940
Incident
Oct 14, 2015
Mileage
100,000 mi
Fuel system
Filed May 21, 2019
THE CABIN SMELLS VERY STRONGLY OF GAS AND AS IS LEAKING FROM UNDER THE VEHICLE WHEN DRIVEN.
NHTSA ID
11208965
Incident
May 20, 2019
Mileage
197,000 mi
Fuel system
Filed Apr 14, 2019
STRONG SMELL OF RAW GAS
NHTSA ID
11196162
Incident
Feb 22, 2018
Mileage
240,000 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.
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