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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

Exterior Lighting complaints

140 reports
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122,000 miles · Aug 4, 2010
Exterior Lighting

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH AT NIGHT. THE HEADLIGHTS WERE ACTIVATED AND SUDDENLY BECAME INOPERABLE. THE VEHICLE WAS PULLED OVER TO THE SIDE OF THE ROAD WITH LIMITED VISIBILITY. THE ENGINE WAS TURNED OFF. WHEN THE VEHICLE RESTARTED, THE HEADLIGHTS WERE OPERABLE. …

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TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH AT NIGHT. THE HEADLIGHTS WERE ACTIVATED AND SUDDENLY BECAME INOPERABLE. THE VEHICLE WAS PULLED OVER TO THE SIDE OF THE ROAD WITH LIMITED VISIBILITY. THE ENGINE WAS TURNED OFF. WHEN THE VEHICLE RESTARTED, THE HEADLIGHTS WERE OPERABLE. THE VEHICLE RESUMED NORMALLY. THE FAILURE OCCURRED ON TWO DIFFERENT TIMES. IN ADDITION, THE INSTRUMENT PANEL AND GAUGES WOULD NOT FUNCTION CORRECTLY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSIS. THE TECHNICIAN INFORMED THAT THE INSTRUMENT CLUSTER WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 122,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10347257

78,000 miles · Jul 27, 2010
Exterior Lighting

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THE BRAKE LIGHTS WOULD CONTINUOUSLY FAIL WITHOUT WARNING. THE CONTACT REPLACED THE FUSE, RELAY SWITCH, BULBS AND THE CIRCUIT BOARD IN AN ATTEMPT TO CORRECT THE FAILURE BUT TO NO AVAIL. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING OR REPAIRS…

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TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THE BRAKE LIGHTS WOULD CONTINUOUSLY FAIL WITHOUT WARNING. THE CONTACT REPLACED THE FUSE, RELAY SWITCH, BULBS AND THE CIRCUIT BOARD IN AN ATTEMPT TO CORRECT THE FAILURE BUT TO NO AVAIL. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE VIN WAS NOT ACCEPTED. THE FAILURE AND CURRENT MILEAGES WERE 78,000.

NHTSA ODI #10345636

50,000 miles · Jul 22, 2010
Electrical SystemExterior Lighting

I REACHED 55,000 MILES ON MY 2005 CHEVY TRAILBLAIZER. NOW, MY SPEEDOMETER IS NOT WORKING PROPERLY. IT STICKS AND SOMETIMES IT DOES NOT EVEN MOVE OFF THE 0MPH. BETTER YET, MY HEAD LIGHTS ARE RANDOMLY TURNING OFF. THIS OCCURS AT LEAST ONE A DAY. I CAN NOT UNDERSTAND HOW CHEVY CAN TELL ME THIS IS NOT A SAFETY ISSUE. UNFORTUNA…

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I REACHED 55,000 MILES ON MY 2005 CHEVY TRAILBLAIZER. NOW, MY SPEEDOMETER IS NOT WORKING PROPERLY. IT STICKS AND SOMETIMES IT DOES NOT EVEN MOVE OFF THE 0MPH. BETTER YET, MY HEAD LIGHTS ARE RANDOMLY TURNING OFF. THIS OCCURS AT LEAST ONE A DAY. I CAN NOT UNDERSTAND HOW CHEVY CAN TELL ME THIS IS NOT A SAFETY ISSUE. UNFORTUNATELY, I DO NOT LIVE IN A PLACE THAT HAST DAY LIGHT 24 HOURS A DAY, 7 DAYS A WEEK AND AM FORCED TO DRIVE DURING THE NIGHT HOURS. IF MY LIGHTS ARE OUT AND AN ACCIDENT IS CAUSED, I WILL BE HELD RESPONSIBLE FOR THIS. I'M SURE I WILL EVENTUALLYG ET PULLED OVER BY THE POLICE, IT'S JUST I HAVE BEEN LUCKY SO FAR. WHAT DO I EXPLAIN TO THE OFFICER, "SORRY MY LIGHTS ARE OUT AND NO, I DO NOT KNOW HOW FAST I WAS GOING?" THIS IS A JOKE! THERE ARE THOUSANDS OF COMPLAINTS POSTED ALL OVER THE INTERNET , YET CHEVY WILL NOT ADMIT TO THIS "CLUSTER" ISSUE BEING RELATED TO SAFETY? SO WHEN I GET TICKETS FROM THE POLICE, FAIL MY MASSACHUSETTS STATE INSPECTION AND MAYBE CAUSE AN ACCIDENT, DO I FORWARD ALL BILLS TO CHEVY? AND IF A LIFE IS LOST, HOW ARE THEY GOING TO RELACE THAT? WHY CAN'T THEY JUST RECALL THIS ISSUE BEFORE THIS HAPPENS, IF IT HASN'T ALREADY HAPPENED YET? *TR

NHTSA ODI #10344677

45,500 miles · Feb 2, 2010
Exterior Lighting

HEADLIGHTS DIM GREATLY WHEN THE TEMPERATURE IS IN THE 30S OR BELOW. TOOK THE CAR IN FOR SERVICE AT A CERTIFIED CHEVROLET REPAIR CENTER ONLY TO BE TOLD THAT IT IS NORMAL. *TR

NHTSA ODI #10303926

37,000 miles · Jan 3, 2010
Exterior LightingInterior Lighting

ALL LIGHTS HEADLIGHTS DASH AND DOME FLICKERING DRIVING BUT NOT EVERYTIME. ALT HAS BEEN RELOCATED 2 TIMES STILL HAVE SAME PROBLEM. *TR

NHTSA ODI #10297911

69,000 miles · Dec 29, 2009
Exterior Lighting

HEADLIGHTS FLICKER AND THEN GO OUT LEAVING NO DAYTIME RUNNING LIGHTS OR HEADLIGHTS FOR NIGHT, RAIN OR SNOWY CONDITIONS. IT IS NOT POSSIBLE TO FIX WITHOUT TAKING IN, 2 LOCAL GARAGES IMMEDIATELY KNEW WHAT THE PROBLEM WAS AND DIDN'T EVEN HAVE TO ORDER THE PARTS. *TR

NHTSA ODI #10297421

Mileage unknown · Dec 28, 2009
Exterior Lighting

DRIVER'S SIDE HEADLIGHT WAS FLICKERING ON AND OFF INTERMITTENTLY PRIOR TO IT CEASING TO TURN ON. THE BULBS WERE REPLACED BUT THE DRIVER'S SIDE HEADLIGHT DOES NOT WORK! WE CONTACTED TWO LOCAL GARAGES AND THEY SAY THAT THIS IS A NORMAL OCCURRENCE FOR TRAILBLAZERS, AND THAT THE HEADLIGHT SOCKET NEEDS TO BE REPLACED. I HAVE SEEN …

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DRIVER'S SIDE HEADLIGHT WAS FLICKERING ON AND OFF INTERMITTENTLY PRIOR TO IT CEASING TO TURN ON. THE BULBS WERE REPLACED BUT THE DRIVER'S SIDE HEADLIGHT DOES NOT WORK! WE CONTACTED TWO LOCAL GARAGES AND THEY SAY THAT THIS IS A NORMAL OCCURRENCE FOR TRAILBLAZERS, AND THAT THE HEADLIGHT SOCKET NEEDS TO BE REPLACED. I HAVE SEEN MULTIPLE COMPLAINTS ONLINE COMPLAINING ABOUT THIS SAME ISSUE. I AM ASTOUNDED THAT THERE IS NOT A SAFETY RECALL ADDRESSING THE TOTAL LOSS OF THE USE OF THE HEADLIGHTS! I WOULD THINK THAT NOT BEING ABLE TO SEE AT NIGHT WOULD BE A DEFINITE SAFETY RISK! *TR

NHTSA ODI #10297201

Mileage unknown · Nov 8, 2009
Electrical SystemEngine And Engine CoolingExterior Lighting

HEADLIGHTS INTERMITTENTLY 'FLASH' FOR A SECOND DURING FIRST 5-10 MINUTES OF DRIVING. HAVE REPLACED ALTERNATOR AND IDLER PULLEY. GM SUGGESTS LETTING VEHICLE IDLE 1+ MINUTE AFTER START BEFORE ENGAGING GEAR; THIS SOMETIMES WORKS. DANGEROUS AND DISTRACTING TO OTHER MOTORISTS, AS IT APPEARS TO THEM LIKE MY VEHICLE IS FLASHING ITS …

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HEADLIGHTS INTERMITTENTLY 'FLASH' FOR A SECOND DURING FIRST 5-10 MINUTES OF DRIVING. HAVE REPLACED ALTERNATOR AND IDLER PULLEY. GM SUGGESTS LETTING VEHICLE IDLE 1+ MINUTE AFTER START BEFORE ENGAGING GEAR; THIS SOMETIMES WORKS. DANGEROUS AND DISTRACTING TO OTHER MOTORISTS, AS IT APPEARS TO THEM LIKE MY VEHICLE IS FLASHING ITS HIGHBEAMS. *TR

NHTSA ODI #10291410

86,000 miles · Oct 11, 2009
Exterior Lighting

THE BRAKE LIGHTS ON MY 2005 TRAILBLAZER KEEP GOING OUT. I HAVE REPLACED THE BULBS 3 TIMES IN A 3 MONTH PERIOD. THE MALFUNCTION HAS NEARLY CAUSED AN ACCIDENT. *TR

NHTSA ODI #10287019

43,000 miles · Oct 10, 2009
Exterior Lighting

BRAKE LIGHTS SEEM TO BE OVERHEATING. BULB MELTS OFF THE CONTACT PIECE. INTERIOR OF HOUSING UNIT IS MELTING AS WELL. I HAVE REPLACED THE BULBS AT LEAST 2-3 TIMES A YEAR. THE ONLY THING I HAVEN'T DONE YET IS REPLACE THE HOUSING UNIT. *TR

NHTSA ODI #10286977

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.