Illustration2004 CHEVY TRAILBLAZER HEADLIGHTS AND DASH LIGHTS WENT OUT. CUSTOMER STATES THAT THEY CAME BACK ON AND THEN WENT OUT FOR 7 DAYS. MECHANIC STATED THEY WOULD HAVE TO DO THE ELIMINATING METHOD TO FIND OUT WHAT IS WRONG. *KB *TR
2004 Chevrolet Trailblazer
Owner reports · Recalls · Investigations
More warning signs than most Trailblazer years
Owner complaints for the 2004 Chevrolet Trailblazer are substantially higher than the model-year median of 87.5.
About this comparison →How this year compares
Owner complaints by model year
Compare all Trailblazer years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
880–25K
16325–50K
27450–75K
17675–100K
137100–150K
61150K+
899 reports with mileage · 182 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.
- Electrical System. Review the 627 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Exterior Lighting. Review the 101 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel System, Gasoline. Review the 93 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
56 crash reports31 fire reports47 injury reports
What owners actually said
1,081 reportsI HAVE A 2004 CHEVY TRAILBLAZER AND FROM DAY ONE I'VE HAD PROBLEMS WITH GAS OVERFLOWING OUT OF MY VEHICLE WHEN PUMPING GAS IN TO IT. I'M NOT TRYING TO TOP OFF THE TANK, AT THE FIRST CLICK I STOP PUMPING AND GAS OVERFLOWS OUTSIDE OF THE VEHICLE ALL OVER MY CAR, MY FEET AND LEGS AND THE GROUND. SOMETIMES I DON'T EVEN GET THE WARNI…
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I HAVE A 2004 CHEVY TRAILBLAZER AND FROM DAY ONE I'VE HAD PROBLEMS WITH GAS OVERFLOWING OUT OF MY VEHICLE WHEN PUMPING GAS IN TO IT. I'M NOT TRYING TO TOP OFF THE TANK, AT THE FIRST CLICK I STOP PUMPING AND GAS OVERFLOWS OUTSIDE OF THE VEHICLE ALL OVER MY CAR, MY FEET AND LEGS AND THE GROUND. SOMETIMES I DON'T EVEN GET THE WARNING CLICK THAT IT'S FULL. IT DOESN'T DO IT ALL THE TIME SO WHEN I'VE TAKEN IT TO MY DEALERSHIP THEY SAY THEY CAN'T DUPLICATE THE PROBLEM. I'VE MET OTHER TRAILBLAZER OWNERS AT THE PUMP AND THEY SAY THEY HAVE THE SAME PROBLEM. THIS DOESN'T SEEM SAFE OR ENVIRONMENTALLY SOUND. I HAVE HAD THE VEHICLE FOR 4 YEARS AND HAVE TRIED MANY DIFFERENT GAS STATIONS/PUMPS. *JB
SPEEDOMETER IS STICKING,MOVING UP AND DOWN OR NOT WORKING AT ALL. *JB
SPEEDOMETER ON 2004 CHEVY TRAILBLAZER STARTED GOING HIGHER AND HIGHER UNTIL IT PEGGED ITSELF. DOES NOT WORK AND MAKES IT DIFFICULT TO KNOW WHAT SPEED YOU ARE GOING. *JB
WHEN FILLING UP WITH GAS, IT SPEWS FROM THE TANK WHEN GAS NOZZLE IS REMOVED. IT DOES NOT MATTER HOW MUCH GAS IS IN TANK & HAPPENS EVEN WHEN TANK IS NOT BEING TOPPED OFF. ALSO WHEN FILLING, YOU MUST CONSTANTLY REPOSITION THE NOZZLE BECAUSE OF GAS BUILD UP IN TANK LINE WILL INADVERTENTLY CAUSE PUMP TO TURN OFF. THIS HAS HAPPENED O…
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WHEN FILLING UP WITH GAS, IT SPEWS FROM THE TANK WHEN GAS NOZZLE IS REMOVED. IT DOES NOT MATTER HOW MUCH GAS IS IN TANK & HAPPENS EVEN WHEN TANK IS NOT BEING TOPPED OFF. ALSO WHEN FILLING, YOU MUST CONSTANTLY REPOSITION THE NOZZLE BECAUSE OF GAS BUILD UP IN TANK LINE WILL INADVERTENTLY CAUSE PUMP TO TURN OFF. THIS HAS HAPPENED ON NUMEROUS OCCASIONS, HOWEVER LAST NIGHT WAS THE FINAL STRAW, TRAILBLAZER HAD A QUARTER TANK OF GAS, AFTER PUMPING IN LESS THAN A GALLON, NOZZLE/PUMP STARTED ITS CLICKING/AUTO SHUT OFF. I REMOVED THE NOZZLE TO REPOSITION IT AS USUAL & UPON REMOVAL OF NOZZLE GAS SPRAYED (LIKE SPRAYING FROM A HOSE NOZZLE)FROM THE TANK AS IF UNDER PRESSURE. I WAS COMPLETELY COVERED WITH GAS FROM THE WAIST DOWN, I'M NOT TALKING ABOUT A LIGHT SPRAY BUT SOAKED THROUGH MY CLOTHES TO THE SKIN WITH GAS. BASED ON THE AMOUNT OF GAS LEFT ON THE GROUND I ESTIMATE THAT 2 OR 3 GALLONS SPRAYED FROM THE TANK, THE ONLY WAY IT WAS STOPPED WAS BY PUTTING THE CAP ON. ALTHOUGH NOT SERIOUSLY INJURED I AM NOW COVERED IN A RASH FROM THE GAS FROM THE WAIST DOWN. *JB
TL*THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE ADHESIVE THAT HELD THE REAR GLASS LIFT GATE ON THE HINGE FAILED. THE DEALER STATED THAT THEY WOULD BE UNABLE TO RE-BOND THE ADHESIVE. THEY FURTHER STATED THAT THE WINDOW AND THE HINGE SHOULD BE REPLACED AS A UNIT. AS OF SEPTEMBER 13, 2007, THE DEAL…
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TL*THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE ADHESIVE THAT HELD THE REAR GLASS LIFT GATE ON THE HINGE FAILED. THE DEALER STATED THAT THEY WOULD BE UNABLE TO RE-BOND THE ADHESIVE. THEY FURTHER STATED THAT THE WINDOW AND THE HINGE SHOULD BE REPLACED AS A UNIT. AS OF SEPTEMBER 13, 2007, THE DEALER HAD NOT REPAIRED THE VEHICLE. THE FAILURE MILEAGE WAS 63,000 AND CURRENT MILEAGE WAS 65,400.
THE GAS HAND AND THE TACHOMETER ARE NOT ACCURATELY CALCULATING. THE GAS HAND IS HALFWAY BETWEEN THE E AND THE F (AT THE 6 ON A CLOCK) WHEN THE TANK IS FULL AND VARIOUS TIMES OF THE DAY, IT MOVES ALL OVER THE DIAL. *TR
THE CHECK ENGINE LIGHT KEPT COMING ON AND THEY REPLACED A SENSOR AND HAD ME BUY A NEW FUEL CAP WHICH DIDN'T FIX THE PROBLEM. I HAD TAKEN MY VEHICLE TO THE DEALERSHIP 5 TIMES BEFORE THEY CORRECTLY DIAGNOSED THE PROBLEM AS A FUEL TANK VAPOR LEAK. THE ONLY WAY TO FIX THIS IS TO REPLACE THE ENTIRE FUEL TANK. MY VEHICLE HAS BEEN I…
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THE CHECK ENGINE LIGHT KEPT COMING ON AND THEY REPLACED A SENSOR AND HAD ME BUY A NEW FUEL CAP WHICH DIDN'T FIX THE PROBLEM. I HAD TAKEN MY VEHICLE TO THE DEALERSHIP 5 TIMES BEFORE THEY CORRECTLY DIAGNOSED THE PROBLEM AS A FUEL TANK VAPOR LEAK. THE ONLY WAY TO FIX THIS IS TO REPLACE THE ENTIRE FUEL TANK. MY VEHICLE HAS BEEN IN THE THE SERVICE DEPARTMENT FOR THE PAST 3 WEEKS AND THE FUEL TANK IS ON NATIONAL BACKORDER. I HAVE BEEN READING ABOUT THIS BEING A PROBLEM ON THE TRAILBLAZER EXT. ON MANY WEBSITES AND BLOGS. IT SEEMS THAT THIS WOULD BE OF A HUGE SAFETY CONCERN. *TR
HAD BANGING NOISES UNDER THE CAR WHICH AT SOME POINT FELT AS IF MY SUSPENSION WAS BAD SINCE IT WAS NOT STABLE RIDING. THE SUV SEEMED AS IF IT WERE DARTING ACROSS THE ROADS AND LEFT US DRIVERS FEELING AS IF WE WERE ALWAYS ADJUSTING THE SUV TO KEEP IT IN THE LANE. TURNED OUT THAT ALL FOUR SWAY BAR LINKS WHERE BAD WHICH LEADS MY FA…
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HAD BANGING NOISES UNDER THE CAR WHICH AT SOME POINT FELT AS IF MY SUSPENSION WAS BAD SINCE IT WAS NOT STABLE RIDING. THE SUV SEEMED AS IF IT WERE DARTING ACROSS THE ROADS AND LEFT US DRIVERS FEELING AS IF WE WERE ALWAYS ADJUSTING THE SUV TO KEEP IT IN THE LANE. TURNED OUT THAT ALL FOUR SWAY BAR LINKS WHERE BAD WHICH LEADS MY FAMILY TO WONDER WHY WOULD ALL FOUR SWAY BAR LINKS TWO IN THE FRONT & TWO IN THE REAR GO BAD AT THE SAME TIME AND IN LESS THEN A YEAR OF HAVING THE SUV INSPECTED BY THE SAME DEALER WHOM FOUND THE SWAY BAR LINKS FRONT & REAR TO BE BAD. SEEMS TO ME THAT THESE PARTS ARE NOT OF QUALITY AND POORLY MADE AND MAKE THE AUTO VERY UNSTABLE WHEN THEY FAIL AND COULD CAUSE AN ACCIDENT IN DOING SO. WE ENDED UP REPLACING THE TWO FRONT SWAY BAR LINKS BUT, ARE HOLDING OFF ON THE REAR FOR RIGHT NOW. I FEEL THESE SWAY BAR LINKS SHOULD BE LOOKED INTO FOR A POSSIBLE RECALL. *JB
CONTINENTAL TIRE P245/65R17 CONTI TRAC TR, TREAD SEPARATED DURING NORMAL DRIVING CONDITIONS DAMAGING VEHICLE (2004 CHEVY TRAILBLAZER) ALMOST CAUSING MAJOR ACCIDENT. CONTACTED CONTINENTAL, THEY SAY ITS NOT THEIR PROBLEM BECAUSE TIRE "EXPERIENCED IMPACT DAMAGE" THE TIRE WAS A REAR DRIVERS SIDE TIRE, AND THERE HAS BEEN NO IMPACT OF…
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CONTINENTAL TIRE P245/65R17 CONTI TRAC TR, TREAD SEPARATED DURING NORMAL DRIVING CONDITIONS DAMAGING VEHICLE (2004 CHEVY TRAILBLAZER) ALMOST CAUSING MAJOR ACCIDENT. CONTACTED CONTINENTAL, THEY SAY ITS NOT THEIR PROBLEM BECAUSE TIRE "EXPERIENCED IMPACT DAMAGE" THE TIRE WAS A REAR DRIVERS SIDE TIRE, AND THERE HAS BEEN NO IMPACT OF ANY KIND. *TR
Official recalls
205V198000 · Exterior Lighting:turn Signal
May 5, 2005
ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED SIDE ONLY.
Consequence & remedy
Consequence: THE DRIVER MAY NOT BE ABLE TO CLEARLY SIGNAL THEIR INTENTIONS TO TURN, CHANGE TRAVEL LANES, OR POTENTIALLY WARN OTHERS OF AN IMPAIRED VEHICLE OPERATING CONDITION INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE SUSPECT FLASHER MODULES WITH A NEW FLASHER MODULE DESIGNED WITH SEALED RELAYS AND MORE DURABLE CONTACT MATERIAL INSIDE OF THE RELAYS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2005. ISUZU BEGAN MAILING OWNER LETTERS ON AUGUST 4, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, ISUZU AT 1-800-255-6727, BUICK AT 1-866-608-8080, AND OLDSMOBILE AT 1-800-630-6537.
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.
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
4RQ17002 · 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.
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.
PE04032 · Brake Lamp Failure
Opened Apr 6, 2004 · Closed Aug 3, 2004
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights
THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED THIS INVESTIGATION ON MODEL YEAR (MY) 2002-04 CHEVROLET TRAILBLAZER VEHICLES.GM REPORTS THAT OTHER VEHICLES SHARING THIS PLATFORM AND BRAKE LAMP DESIGN ARE THE MY 2002-2004 CHEVROLET TRAILBLAZER EXT; GMC ENVOY, XL, XUV; OLDSMOBILE BRAVADA AND 2004 BUICK RAINIER.COMPLAINTS ALLEGE THAT THE REAR BRAKE LAMP DOES NOT OPERATE WHEN THE BRAKE PEDAL IS DEPRESSED.THERE IS NO INDICATION TO THE DRIVER FROM INSIDE THE VEHICLE THAT ONE OR MORE BRAKE LAMPS BULBS ARE NOT FUNCTIONING.GM FOUND THAT HEAT FROM THE BULB COULD DEFORM THE LAMP SOCKET, PRODUCE ELECTRICAL ARCING AND AN INOPERATIVE BULB.TO CORRECT THE CONDITION, GM CHANGED THE BULB TO A BULB THAT TRANSMITS LESS HEAT TO THE SOCKET AND CHANGED THE SOCKET TO A THERMOPLASTIC POLYMER TO IMPROVE THERMAL STABILITY.THESE CHANGES WERE IMPLEMENTED INTO PRODUCTION VEHICLES ON OCTOBER 1, 2003.GM IMPLEMENTED A SPECIAL POLICY BY NOTIFYING CONSUMERS THAT IF THEY SHOULD EXPERIENCE A BRAKE LAMP FAILURE TO GO TO THEIR GM DEALERSHIP TO HAVE THE CIRCUIT BOARD CONTAINING THE BRAKE LAMP REPLACED ALONG WITH NEW BULBS.THIS POLICY IS GOOD FOR THE FIRST 6 YEARS OR 72,000 MILES OF THE LIFE OF THE VEHICLE.ODI WILL UPGRADE THIS INVESTIGATION TO EA 04-021 AND INCLUDE THE ABOVE MENTIONED VEHICLES.