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2008 Chevrolet Trailblazer

Owner reports · Recalls · Investigations

More warning signs than most Trailblazer years

Owner complaints for the 2008 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

169 reports with mileage · 24 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 65 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports11 fire reports8 injury reports

What owners actually said

193 reports
27,225 miles · Jun 7, 2014
Electrical System

ON THE 2008 TRAILBLAZER, HAD TWO PROBLEMS WITH THE IGNITION SWITCH. IN APRIL 2011 THE TUMBLER MECHANISM PORTION OF THE IGNITION SWITCH FAILED AT APPROXIMATELY 27,225 MILES AND WAS REPLACE UNDER WARRANTY. IN MAY 2014 HAD DIFFICULTY STARTING THE VEHICLE WHEN THE IGNITION SWITCH WAS IN THE START POSITION. WAS ABLE TO START THE V…

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ON THE 2008 TRAILBLAZER, HAD TWO PROBLEMS WITH THE IGNITION SWITCH. IN APRIL 2011 THE TUMBLER MECHANISM PORTION OF THE IGNITION SWITCH FAILED AT APPROXIMATELY 27,225 MILES AND WAS REPLACE UNDER WARRANTY. IN MAY 2014 HAD DIFFICULTY STARTING THE VEHICLE WHEN THE IGNITION SWITCH WAS IN THE START POSITION. WAS ABLE TO START THE VEHICLE AND DRIVE TO THE CHEVROLET DEALERSHIP. WHILE WAITING FOR THE SERVICE TECHNICIAN, I MOVED THE TILT STEERING WHEEL TO A DIFFERENT POSITION AND THE VEHICLE STOPPED RUNNING. THIS WOULD HAVE BEEN AN EXTREMELY DANGEROUS SITUATION UNDER NORMAL DRIVING CONDITIONS. IT WAS DIAGNOSED THAT THE ELECTRICAL PORTION OF THE IGNITION SWITCH HAD FAILED. THE IGNITION SWITCH WAS REPLACED. THE APPROXIMATE MILEAGE WAS 71878. *TR

NHTSA ODI #10596818

121,700 miles · May 19, 2014
Engine

STARTED VEC. IN THE MORNING. EXHAUST VERY LOUD. CHECKED EXHAUST SYSTEM FOUND MANIFOLD CRACKED. GOT ON ON STAR ACCT...STATED EXTENDED COVERAGE HAD EXPIRED. FOUND OUT SPECIAL COVERAGE GM BULL. #11150. CONTACTED DEALER. STATED NOT COVERED DUE TO OUT OF MILEAGE RANGE OF 120000 LIMIT. SAID TO TAKE TO SERV. MGR AND SAID OUT OF HIS HA…

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STARTED VEC. IN THE MORNING. EXHAUST VERY LOUD. CHECKED EXHAUST SYSTEM FOUND MANIFOLD CRACKED. GOT ON ON STAR ACCT...STATED EXTENDED COVERAGE HAD EXPIRED. FOUND OUT SPECIAL COVERAGE GM BULL. #11150. CONTACTED DEALER. STATED NOT COVERED DUE TO OUT OF MILEAGE RANGE OF 120000 LIMIT. SAID TO TAKE TO SERV. MGR AND SAID OUT OF HIS HANDS. CONTACTED GM AND NOW THEY ARE WORKING WITH ME TO HELP RESOLVE ISSUE. TOLD GM I HAVE NEVER RECV. ANY INFO ABOUT THIS PROBLEM WHEN I BOUGHT THIS TRAILBLAZER. WILL FUMES ENTER PASS. AREA. DON'T KNOW AT THIS POINT. SAFETY ISSUE...YES, RECALL ISSUE...YES, DESIGN ISSUE...YES. *JS

NHTSA ODI #10592414

60,000 miles · May 13, 2014
Engine And Engine Cooling

HAD TO REPLACE THE EXHAUST MANIFOLD DUE TO CRACK. *TR

NHTSA ODI #10588053

110,000 miles · Apr 22, 2014
Electrical SystemEngineFire

WHILE SITTING THE PARKED VEHICLE, WITH THE KEY IN IGNITION IN THE ON POSITION BUT ENGINE OFF THE DASH BEGAN TO POUR SMOKE INTO THE VEHICLE. UPON INSPECTING UNDER THE HOOD THERE WERE BURNED AND MELTED WIRES LEADING TO FUSE BOX. ELECTRICAL FIRE OCCURRED. *TR

NHTSA ODI #10584128

10,779 miles · Apr 14, 2014
Electrical System

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE ABS AND STABILITRAK WARNING LIGHTS WERE ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER, WHO DIAGNOSED THAT THE IGNITION SWITCH WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED AND THE DEFECT WAS REMEDIED. THE MANUFACTURER WAS NOT NO…

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE ABS AND STABILITRAK WARNING LIGHTS WERE ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER, WHO DIAGNOSED THAT THE IGNITION SWITCH WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED AND THE DEFECT WAS REMEDIED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 10,779.

NHTSA ODI #10579686

108,000 miles · Apr 1, 2014
Electrical System

SINCE OWNING THE VEHICLE; PURCHASED USED IN 2005 FROM A DEALER; WE HAVE HAD TO REPLACE THE IGNITION SWITCH TWICE. CALLED TO REPORT PROBLEM TO CHEVROLET SINCE ALL THE NEWS OF IGNITION SWITCHES; THEY DIDN'T SEEM CONCERNED OR INTERESTED SINCE THIS VEHICLE WAS NOT LISTED ON THE RECALL LIST. IT HAS LEFT ME STRANDED TWICE AND HAS CO…

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SINCE OWNING THE VEHICLE; PURCHASED USED IN 2005 FROM A DEALER; WE HAVE HAD TO REPLACE THE IGNITION SWITCH TWICE. CALLED TO REPORT PROBLEM TO CHEVROLET SINCE ALL THE NEWS OF IGNITION SWITCHES; THEY DIDN'T SEEM CONCERNED OR INTERESTED SINCE THIS VEHICLE WAS NOT LISTED ON THE RECALL LIST. IT HAS LEFT ME STRANDED TWICE AND HAS COST ME APPROX. $400. *TR

NHTSA ODI #10576381

69,000 miles · Apr 1, 2014
Electrical SystemPower TrainFire

REPEATED ISSUE. SMELL OF SMOKE/BURNING TRIGGERS DASH WARNING SIGNALS. SAME DASH WARNING SIGNALS COME ON WITHOUT SMELL OF SMOKE/BURNING. CYCLE REPEATS ITSELF WITHOUT PATTERN, AND INCLUDES DURING 4 WHEEL USE. VEHICLE TAKEN TO MULTIPLE CHEVROLET DEALERSHIPS FOR SERVICE (UTAH, NORTH CAROLINA AND WASHINGTON) WITH THE DASH WARNING…

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REPEATED ISSUE. SMELL OF SMOKE/BURNING TRIGGERS DASH WARNING SIGNALS. SAME DASH WARNING SIGNALS COME ON WITHOUT SMELL OF SMOKE/BURNING. CYCLE REPEATS ITSELF WITHOUT PATTERN, AND INCLUDES DURING 4 WHEEL USE. VEHICLE TAKEN TO MULTIPLE CHEVROLET DEALERSHIPS FOR SERVICE (UTAH, NORTH CAROLINA AND WASHINGTON) WITH THE DASH WARNING LIGHTS ON. UTAH AND NC CLAIM UNABLE TO REPLICATE EVENT OR IDENTIFY PROBLEM, SO LISTED AS UNKNOWN WITHOUT CORRECTION. GMC EXECUTIVE OFFICE INTERDICTION RESULTED IN REPLACEMENT OF STEREO EVEN THOUGH DASH LIGHT INDICATE POWERTRAIN & ELECTRICAL. STEREO BROKE 2 MOS LATER. GMEO AND WA IDENTIFIED FUSE ISSUE RELATED TO 4 WHEEL DRIVE, BUT UNABLE TO REPLICATE SMOKE/BURNING BEFORE CLAIMING ISSUE RESOLVED. DASH WARNING LIGHTS CONSTANTLY COME ON AND OFF INDICATING PROBLEM WITH POWERTRAIN/ELECTRICAL. GMEO CLOSED CASE AS RESOLVED. *TR

NHTSA ODI #10576300

74,316 miles · Mar 27, 2014
Electrical System

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE KEY FAILED TO TURN IN THE IGNITION AND THE VEHICLE COULD NOT BE STARTED. THE CONTACT MENTIONED THAT THE FAILURE OCCURRED ONLY ONCE. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE …

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE KEY FAILED TO TURN IN THE IGNITION AND THE VEHICLE COULD NOT BE STARTED. THE CONTACT MENTIONED THAT THE FAILURE OCCURRED ONLY ONCE. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 74,316 AND THE CURRENT MILEAGE WAS 81,447.

NHTSA ODI #10575150

102,000 miles · Mar 26, 2014
Electrical SystemVisibility/wiper

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FRONT DRIVER'S SIDE ELECTRIC PANEL FOR THE WINDOWS WAS NOT FULLY FUNCTIONING. THE FAILURE RECURRED INTERMITTENTLY. THE REAR WINDOWS WOULD ELECTRONICALLY OPEN BUT WHEN ATTEMPTING TO CLOSE THE WINDOWS FROM THE FRONT DRIVERS SIDE MAIN ELECTRIC PANEL, IT …

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FRONT DRIVER'S SIDE ELECTRIC PANEL FOR THE WINDOWS WAS NOT FULLY FUNCTIONING. THE FAILURE RECURRED INTERMITTENTLY. THE REAR WINDOWS WOULD ELECTRONICALLY OPEN BUT WHEN ATTEMPTING TO CLOSE THE WINDOWS FROM THE FRONT DRIVERS SIDE MAIN ELECTRIC PANEL, IT WOULD REQUIRE THE CONTACT TO MANUALLY CLOSE THE WINDOWS. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 102000.

NHTSA ODI #10574889

67,671 miles · Mar 14, 2014
Air BagsService BrakesCrashInjury

MY DAUGHTER TRAVELING AT APPROXIMATELY 55 MPH, SAW CAR IN FRONT OF HER STOPPED AT A STOP LIGHT. SHE ATTEMPTED TO SLAM ON THE BRAKES, IT FELT AS IF SHE WAS NOT STOPPING AT ALL. SHE HIT THE STOPPED CAR, PUSHED BOTH OF OUR CARS THROUGH THE INTERSECTION TO THE OTHER SIDE. HER AIRBAG DID NOT DEPLOY, ONSTAR DID NOT CONTACT HER. THE RE…

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MY DAUGHTER TRAVELING AT APPROXIMATELY 55 MPH, SAW CAR IN FRONT OF HER STOPPED AT A STOP LIGHT. SHE ATTEMPTED TO SLAM ON THE BRAKES, IT FELT AS IF SHE WAS NOT STOPPING AT ALL. SHE HIT THE STOPPED CAR, PUSHED BOTH OF OUR CARS THROUGH THE INTERSECTION TO THE OTHER SIDE. HER AIRBAG DID NOT DEPLOY, ONSTAR DID NOT CONTACT HER. THE REASON I BOUGHT THIS SPECIFIC CAR WAS FOR THE ONSTAR IN CASE OF A COLLISION OR EMERGENCY. WHEN I CONTACTED ONSTAR LATER, THEY REPORTED THEY DID NOT RECEIVE NOTIFICATION THAT A COLLISION HAD OCCURRED. I CONTACTED GM TO HAVE BRAKE, AIRBAG, AND ONSTAR FAILURE INVESTIGATED. RECEIVED REPORT FROM GM INVESTIGATOR STATING NO FAILURE IN AIRBAG SYSTEM, THAT THE CRASH WAS NOT SIGNIFICANT ENOUGH TO CAUSE AIRBAG DEPLOYMENT AND ONSTAR NOTIFICATION. SHE WAS TRAVELING 45 MPH UPON IMPACT (PER CDR). THE CAR WAS TOTALED - OVER $13,000 DAMAGE. IF A CRASH AT 45 MPH, REAR-ENDING, CAR TOTALED DOES NOT DEPLOY AIRBAGS IT SEEMS AS THOUGH SOMETHING IS WRONG. *TR

NHTSA ODI #10572502

Official recalls

0

No recalls in this snapshot.

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

1

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.