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2005 Chevrolet Trailblazer

Owner reports · Recalls · Investigations

More warning signs than most Trailblazer years

Owner complaints for the 2005 Chevrolet Trailblazer are substantially higher than the model-year median of 87.5.

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When problems were reported

Mileage at the reported incident

1,220 reports with mileage · 246 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 617 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 435 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 140 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

59 crash reports25 fire reports41 injury reports

Electrical System complaints

617 reports
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Mileage unknown · Apr 8, 2008
Electrical System

2005 TRAILBLAZER, HEADLIGHTS FLICKER, VOLT GAUGE MOVES BETWEEN 9 AND 14 VOLTS. GAS GAUGE PEGS TO FULL. *TR

NHTSA ODI #10223659

66,342 miles · Mar 26, 2008
Electrical System

LATE EVENING, I WAS DRIVING DOWN THE FREEWAY IN A SNOW STORM AND SUDDENLY MY ENGINE POWER DROPPED SIGNIFICANTLY. I COULD NOT GO OVER 10 MPH AND BARELY MADE IT UP THE OFF RAMP TO BE STRANDED 3 1/2 HOURS AWAY FROM HOME. I SPENT A TOTAL OF $700 TO GET THE ALTERNATOR AND I-PULLEY REPLACED. THE OLD PART WAS NOT RETURNED OR I WOULD HA…

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LATE EVENING, I WAS DRIVING DOWN THE FREEWAY IN A SNOW STORM AND SUDDENLY MY ENGINE POWER DROPPED SIGNIFICANTLY. I COULD NOT GO OVER 10 MPH AND BARELY MADE IT UP THE OFF RAMP TO BE STRANDED 3 1/2 HOURS AWAY FROM HOME. I SPENT A TOTAL OF $700 TO GET THE ALTERNATOR AND I-PULLEY REPLACED. THE OLD PART WAS NOT RETURNED OR I WOULD HAVE HAD TO PAY AN ADDITIONAL $50. *TR

NHTSA ODI #10222434

39,999 miles · Mar 18, 2008
Electrical System

2005 CHEVY TRAILBLAZER PURCHASED WITH 19,000 MILES ON IT IN 2006. DECEMBER 07 WHILE DRIVING HOME AT NIGHT, LIGHTS BEGAN TO FLICKER. DEALER SAID WAS NECESSARY TO RESET COMPUTER TO RESOLVE THE PROBLEM. AFTER COMPUTER RESET, CHECK ENGINE LIGHT TURNED ON. TOOK IT BACK TO DEALER (PULLED CODE FOR AIR CHECK VALVE), RESET THE LIGHT.…

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2005 CHEVY TRAILBLAZER PURCHASED WITH 19,000 MILES ON IT IN 2006. DECEMBER 07 WHILE DRIVING HOME AT NIGHT, LIGHTS BEGAN TO FLICKER. DEALER SAID WAS NECESSARY TO RESET COMPUTER TO RESOLVE THE PROBLEM. AFTER COMPUTER RESET, CHECK ENGINE LIGHT TURNED ON. TOOK IT BACK TO DEALER (PULLED CODE FOR AIR CHECK VALVE), RESET THE LIGHT. TWO DAYS LATER, ENGINE LIGHT CAME ON AGAIN AND WAS TAKEN BACK TO DEALER WHERE IT PULLED ANOTHER CODE... AFTER THE THIRD TIME, THE DEALER CONTACTED GM AND WERE TOLD TO RESET THE COMPUTER BACK TO ORIGINAL SETTING AND EITHER THE LIGHT WOULD GO OFF AND THE LIGHTS WOULD FLASH OR THE LIGHT WOULD STAY ON AND THE LIGHTS WOULD STAY NORMAL. NEEDLESS TO SAY, WITHIN THREE DAYS, THE LIGHTS FLASHED AND THE CHECK ENGINE LIGHT CAME ON. I HAVE CONTACTED GM SEVERAL TIMES AND WAS TOLD THAT THEY WOULD NOT WARRANTY IT ONCE THEY DO FIGURE OUT THE SOURCE OF THE PROBLEM AND COULD NOT GIVE AN ESTIMATED DATE AS TO WHEN THAT WOULD BE! I WILL NEVER PURCHASE ANOTHER GM PRODUCT AGAIN. I THINK A CLASS-ACTION LAWSUIT SHOULD BE STARTED!! *TR

NHTSA ODI #10221607

70 miles · Mar 14, 2008
Electrical SystemEquipmentLatches/locks/linkages

TL*THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. SINCE PURCHASING THE VEHICLE, THE HEADLAMPS FLICKER OR DIM WHILE DRIVING, SIMILAR TO A POWER SURGE. THE DEALER WAS INITIALLY UNABLE TO DUPLICATE THE FAILURE. WHEN THE FAILURE WAS ABLE TO BE DUPLICATED, THE DEALER WAS UNABLE TO MAKE A REPAIR. AT THE END OF SEPTEMBER OF 2007, T…

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TL*THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. SINCE PURCHASING THE VEHICLE, THE HEADLAMPS FLICKER OR DIM WHILE DRIVING, SIMILAR TO A POWER SURGE. THE DEALER WAS INITIALLY UNABLE TO DUPLICATE THE FAILURE. WHEN THE FAILURE WAS ABLE TO BE DUPLICATED, THE DEALER WAS UNABLE TO MAKE A REPAIR. AT THE END OF SEPTEMBER OF 2007, THE STEERING COLUMN MADE A SPARKING SOUND AND THE DEALER COULD NOT DUPLICATE THE FAILURE ONCE MORE. ON SEPTEMBER 20, 2007, THE RADIO AND ALL THE COMPONENTS ON THE INSTRUMENT PANEL FAILED INTERMITTENTLY. THE VEHICLE HAD TO BE TURNED OFF AND RESTARTED FOR THEM TO EVENTUALLY OPERATE AGAIN. IN ADDITION, THE DOME LIGHTS WOULD REMAIN ILLUMINATED. THE DRIVER'S SIDE DOOR LATCHES WERE REPLACED TWICE. THE REAR HATCHBACK LATCH WAS REPLACED TWICE. WHEN THE KEY WAS REMOVED FROM THE IGNITION, THE KEY BUZZER WOULD CONTINUE TO SOUND. ON JANUARY 25, 2008, THE REAR WIPER MOTOR WAS REPLACED AND FAILED AGAIN ON MARCH 4, 2008. THE CURRENT MILEAGE WAS 36,182 AND FAILURE MILEAGE WAS 70. UPDATED 4/2/08 *CN THE CONSUMER STATED THE EMBLEM ON THE REAR TAILGATE LOOSING COLOR, BRAKE PADS AND ROTORS ARE WORN. UPDATED 04/02/08 *TR

NHTSA ODI #10221191

Mileage unknown · Mar 14, 2008
Electrical System

I OWN A 2005 CHEVY TRAILBLAZER. SINCE PURCHASING THIS VEHICLE I HAVE HAD SEVERAL PROBLEMS. I AM THE SECOND OWNER. I BOUGHT IT WITH 24,000 MILES. THE FIRST THING WAS THE ENGINE LIGHT TURNING ON FOR NO APPARENT REASON. TESTS WOULD SHOW NOTHING. THEN THE WHINING STARTED. THIS WAS FIXED AT THE DEALERSHIP. NEXT THE FLICKERING LIGHTS…

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I OWN A 2005 CHEVY TRAILBLAZER. SINCE PURCHASING THIS VEHICLE I HAVE HAD SEVERAL PROBLEMS. I AM THE SECOND OWNER. I BOUGHT IT WITH 24,000 MILES. THE FIRST THING WAS THE ENGINE LIGHT TURNING ON FOR NO APPARENT REASON. TESTS WOULD SHOW NOTHING. THEN THE WHINING STARTED. THIS WAS FIXED AT THE DEALERSHIP. NEXT THE FLICKERING LIGHTS. IT ONLY SEEMS TO HAPPEN AT NIGHT (OR THAT IS WHEN I NOTICE THEM). WHEN THE FLICKERING STARTED THE LUNGING STARTED. THIS IS WHEN I AM COMING TO A STOP OR GOING SLOW MY CAR SEEMS TO JUMP FORWARD FOR NO APPARENT REASON. THE DEALERSHIP FOUND NOTHING WRONG WITH MY CAR WHEN THEY CHECKED THESE PROBLEMS OUT. NEXT WHEN MAKING U-TURNS MY CAR WOULD JUST DIE. SINCE IT IS AN AUTOMATIC I WOULD HAVE TO THEN PUT IT INTO PARK AND RESTART MY CAR. AGAIN WHEN I TOOK IT TO THE DEALERSHIP, THEY FOUND NOTHING. MY SPEEDOMETER HAS STARTED TO JUMP OR FAIL TO WORK ALTOGETHER. AND MOST RECENTLY THE ENGINE LIGHT TURNED ON AGAIN AND AND MY CAR WAS RUNNING AS THOUGH IT WAS GOING TO DIE. UPON TAKING IT TO THE DEALERSHIP, THEY RAN $500.00 WORTH OF TEST TO TELL ME THAT MY CAR AT 60,000 MILES WAS FIRING INCORRECTLY IN THE 1ST CYLINDER. THIS IS GOING TO COST ME $4,000.00. *TR

NHTSA ODI #10221127

37,241 miles · Mar 1, 2008
Electrical System

I BOUGHT A 2005 TRAILBLAZER USED IN JUNE OF 2007 WITH 34,000 MILES. SINCE THEN I HAVE HAD THE RUBBER SEAL AROUND THE LICENSE PLATE FIXED 3 TIMES FOR THE GLUE MELTING AND RUNNING DOWN THE TAILGATE. THE AIR CONDITIONER WHEN RAN FOR EXTENDED TRIPS DOESN'T BLOW LIKE IT SHOULD, THE DEALER SUPPOSEDLY FIXED THAT TWICE. THE WHOLE LIGHT …

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I BOUGHT A 2005 TRAILBLAZER USED IN JUNE OF 2007 WITH 34,000 MILES. SINCE THEN I HAVE HAD THE RUBBER SEAL AROUND THE LICENSE PLATE FIXED 3 TIMES FOR THE GLUE MELTING AND RUNNING DOWN THE TAILGATE. THE AIR CONDITIONER WHEN RAN FOR EXTENDED TRIPS DOESN'T BLOW LIKE IT SHOULD, THE DEALER SUPPOSEDLY FIXED THAT TWICE. THE WHOLE LIGHT FLICKERING THING IS ANNOYING AND PROBABLY COULD BE AVOIDED WITH A STRONGER ALTERNATOR. THE CHECK ENGINE LIGHT CAME ON FOR SECONDARY AIR INJECTION MALFUNCTION CONVENIENTLY AFTER THE WARRANTY HAS EXPIRED, ITS ALL DUE TO A CRAPPY CHECK VALVE THAT IS MADE WITH A METAL THAT CORRODES EASILY CAUSING IT TO STICK. I UNDERSTAND THAT PROBLEMS HAPPEN BUT THIS VEHICLE ONLY HAS 38,000 MILES ON IT. GENERAL MOTORS KNOWS ABOUT THE PROBLEMS THEY JUST DON'T WANT TO GO BROKE FIXING THEIR MISTAKES. OR JUST DO SOME QUALITY CONTROL ON VEHICLES BEFORE THEY ARE MASSED PRODUCED. *TR

NHTSA ODI #10219776

90,830 miles · Feb 24, 2008
Electrical System

THE HEADLAMPS AND DASHBOARD LIGHTS DIM AND BRIGHTEN AS YOU DRIVE. IT IS AN INTERMITTENT PROBLEM. CHEVY HAS SAID THIS IS NORMAL FOR THE TRAILBLAZER AND NOT REPAIRABLE. THIS IS A SAFETY ISSUE. *TR

NHTSA ODI #10218973

Mileage unknown · Feb 21, 2008
Electrical System

2005 CHEVY TRAILBLAZER HEADLIGHTS FLASHING AFTER DARK. CONSUMER STATED THAT THE HEADLIGHTS FLASH AROUND DUSK OR AFTER DARK AND INTERIOR LIGHTS DIM. SHE STATES THAT PEOPLE IN TRAFFIC BELIEVE SHE IS DOING THIS ON PURPOSE AND SHE IS NOT. *KB THE CONSUMER STATED THE HEADLIGHTS WERE ON AUTOMATIC AND THEN THEY STARTED TO GO DIM. THE…

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2005 CHEVY TRAILBLAZER HEADLIGHTS FLASHING AFTER DARK. CONSUMER STATED THAT THE HEADLIGHTS FLASH AROUND DUSK OR AFTER DARK AND INTERIOR LIGHTS DIM. SHE STATES THAT PEOPLE IN TRAFFIC BELIEVE SHE IS DOING THIS ON PURPOSE AND SHE IS NOT. *KB THE CONSUMER STATED THE HEADLIGHTS WERE ON AUTOMATIC AND THEN THEY STARTED TO GO DIM. THE LIGHTS ON THE DASH WERE FADING IN AND OUT AS WELL. *JB

NHTSA ODI #10219453

Mileage unknown · Feb 10, 2008
Electrical System

I BOUGHT A 2005 TRAILBLAZER IN 2006. THERE WAS ALOT OF HISSING FROM THE SPEAKERS, WHICH THEY REPLACED BUT IT NEVER FIXED THE PROBLEM. I ALREADY FIXED THE OXYGEN SENSOR AND NOW I NOTICE THE LIGHTS GO DIM AND BRIGHT AND IT SEEMS TO LOSE POWER. IT ONLY HAS 36,000 MILES ON IT. EVERYTIME I BRING IT IN IT DOESN'T HAPPEN SO NO ONE KNOW…

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I BOUGHT A 2005 TRAILBLAZER IN 2006. THERE WAS ALOT OF HISSING FROM THE SPEAKERS, WHICH THEY REPLACED BUT IT NEVER FIXED THE PROBLEM. I ALREADY FIXED THE OXYGEN SENSOR AND NOW I NOTICE THE LIGHTS GO DIM AND BRIGHT AND IT SEEMS TO LOSE POWER. IT ONLY HAS 36,000 MILES ON IT. EVERYTIME I BRING IT IN IT DOESN'T HAPPEN SO NO ONE KNOWS WHAT IT IS. I HAVE 2 SMALL KIDS AND IT'S COLD IN WISCONSIN SO IF IT EVER DIES IN THE MIDDLE OF THE COUNTRY WHO KNOWS WHAT COULD HAPPEN. *TR

NHTSA ODI #10217580

Mileage unknown · Feb 5, 2008
Electrical System

I HAVE A 2005 TRAILBLAZER AND THE LIGHTS WILL DIM AND THE BATTERY GAUGE WILL DROP DOWN. I HAVE TAKEN THIS TO THE DEALER AND THEY CAN NEVER SEEM TO FIND ANYTHING WRONG. I HAVE READ ON THE INTERNET THAT GM HAS NO ANSWER FOR WHY THIS IS HAPPENING. I HAVE PEOPLE THAT WILL PULL OVER FOR ME BECAUSE THEY THINK THAT I AM FLASHING MY LIG…

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I HAVE A 2005 TRAILBLAZER AND THE LIGHTS WILL DIM AND THE BATTERY GAUGE WILL DROP DOWN. I HAVE TAKEN THIS TO THE DEALER AND THEY CAN NEVER SEEM TO FIND ANYTHING WRONG. I HAVE READ ON THE INTERNET THAT GM HAS NO ANSWER FOR WHY THIS IS HAPPENING. I HAVE PEOPLE THAT WILL PULL OVER FOR ME BECAUSE THEY THINK THAT I AM FLASHING MY LIGHTS AT THEM. THIS HAS BEEN HAPPENING SINCE I GOT THE SUV 2 1/2 YEARS AGO. *TR

NHTSA ODI #10217048

Official recalls

2

06V417000 · Air Bags:frontal

Oct 31, 2006

CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING SYSTEM TO MALFUNCTION.

Consequence & remedy

Consequence: IF THE PASSENGER SENSING SYSTEM MALFUNCTIONS, THE FRONT AIR BAG ON THE PASSENGER SIDE MAY BE DISABLED WHEN IT SHOULD BE ENABLED, OR ENABLED WHEN IT SHOULD BE DISABLED. IN EITHER CASE, IN THE EVENT OF A CRASH THAT REQUIRES AIR BAG DEPLOYMENT, A FRONT PASSENGER'S LEVEL OF INJURY MAY BE INCREASED.

Remedy: BECAUSE A REPLACEMENT LEATHER SEAT COVER THAT IS COMPATIBLE WITH THE PASSENGER SENSING SYSTEM IS NOT AVAILABLE, GENERAL MOTORS (GM) WILL REPURCHASE THESE VEHICLES IN ACCORDANCE WITH THE TERMS STATED IN GM'S LETTER TO OWNERS. THE RECALL BEGAN ON NOVEMBER 6, 2006. OWNERS SHOULD CONTACT GM AT 1-877-477-1022 TO BEGIN THE PROCESS OF REPURCHASING THEIR VEHICLE.

05V035000 · Visibility:windshield

Feb 3, 2005

CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 212, 'WINDSHIELD MOUNTING.' THE WINDSHIELD URETHANE BEAD MAY NOT HAVE ADHERED TO THE BODY IN CERTAIN AREAS DURING THE CURE PROCESS.

Consequence & remedy

Consequence: IF A CRASH OCCURS, THE WINDSHIELD MAY NOT BE RETAINED, INCREASING THE RISK OF INJURY TO A VEHICLE OCCUPANT.

Remedy: DEALERS WILL REPLACE THE WINDSHIELD FREE OF CHARGE. THE RECALL BEGAN ON MARCH 10, 2005. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CHEVROLET AT 1-800-630-2438, 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

2

RQ17002 · 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.

DP10001 · Fuel Level Gauge System Failure

Opened Jan 7, 2010 · Closed May 23, 2011

Status: closed (inferred from source dates) · Fuel System, Other; Fuel System, Other:storage:fuel Gauge System

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.

Additional source detail variants (2)

Fuel System, Other

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.

Fuel System, Other:storage:fuel Gauge System

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.