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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.

About this comparison →

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
28,000 miles · Apr 25, 2016
Engine

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING 15 MPH AND MAKING A LEFT TURN, THE ENGINE STALLED AND THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION SWITCH FAILED AND NEEDED TO REPLACED. THE VEHICLE WAS REPAIRED TWICE; HOWEVER, THE FAILURE WAS PERSI…

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING 15 MPH AND MAKING A LEFT TURN, THE ENGINE STALLED AND THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION SWITCH FAILED AND NEEDED TO REPLACED. THE VEHICLE WAS REPAIRED TWICE; HOWEVER, THE FAILURE WAS PERSISTENT. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 28,000.

NHTSA ODI #10861233

50,000 miles · Mar 16, 2016
Electrical SystemLatches/locks/linkagesVisibilityFire

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 30 MPH, THERE WAS A BURNING ODOR COMING FORM THE VEHICLE. THE CONTACT ALSO STATED THAT WHILE DRIVING, THE DRIVER'S SIDE WINDOW AND DOOR LOCK LOST POWER CAUSING THE DOOR TO BE UNABLE TO LOCK. THE CONTACT ALSO STATED THAT THE …

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 30 MPH, THERE WAS A BURNING ODOR COMING FORM THE VEHICLE. THE CONTACT ALSO STATED THAT WHILE DRIVING, THE DRIVER'S SIDE WINDOW AND DOOR LOCK LOST POWER CAUSING THE DOOR TO BE UNABLE TO LOCK. THE CONTACT ALSO STATED THAT THE HEADLIGHTS DIMMED AT NIGHT. THE VEHICLE WAS TAKEN TO A DEALER, WHO DIAGNOSED THAT THE WINDOW MOTOR SWITCH, THE HVAC TEMPERATURE CONTROL MOTOR, AND THE REAR LOCKING ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURES AND PROPOSED A DISCOUNT TOWARD A NEW VEHICLE. THE FAILURE MILEAGE WAS 50,000. ....UPDATED 04/15/16 *BF *TR

NHTSA ODI #10850021

35,000 miles · Mar 7, 2016
Electrical SystemStructureVisibility/wiperFire

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE DRIVER SIDE DOOR WINDOW WOULD NOT CLOSE AND THE DOOR LOCKS RANDOMLY LOCKED AND UNLOCKED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE ELECTRICAL DOOR MECHANISM WAS FAULTY AND NEEDED TO BE REPLACED. IN ADDITION, A BURNING ODOR WA…

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE DRIVER SIDE DOOR WINDOW WOULD NOT CLOSE AND THE DOOR LOCKS RANDOMLY LOCKED AND UNLOCKED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE ELECTRICAL DOOR MECHANISM WAS FAULTY AND NEEDED TO BE REPLACED. IN ADDITION, A BURNING ODOR WAS PRESENT INSIDE THE VEHICLE COMING FROM THE DRIVER SIDE DUAL CLIMATE CONTROL. THE MECHANIC DIAGNOSED THAT THE TEMPERATURE ACTUATOR WAS INOPERABLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURES. THE CONTACT ALSO INDICATED THAT THE LIFTGATE WOULD NOT OPEN. THE FAILURE MILEAGE WAS 35,000.

NHTSA ODI #10840370

Mileage unknown · Mar 4, 2016
Engine

HAD EXHAUST MANIFOLD REPLACED AT LOCAL GM DEALER UNDER WARRENTY IN 6/26/13 NOW HAVE SAME PROBLUM EXHAUST MANIFOLD MAKING LOUD NOISE. HAD 80112 MILES WHEN FIRST DONE NOW WHEN HAPPENED WAS2/22/16 THE MILES WERE 109482, WITCH IS ONLY 29370 MILES WHAT ARE MY OPTIONS THIS SHOULD BE FIXED AGAIN BY THEM.

NHTSA ODI #10839869

127,000 miles · Feb 26, 2016
Air Bags

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 65 MPH, THE CURTAIN AIR BAGS DEPLOYED WITHOUT WARNING. IN ADDITION, A WHITE SUBSTANCE EMITTED INTO THE INTERIOR OF THE VEHICLE WHEN THE FAILURE OCCURRED. A POLICE REPORT WAS NOT FILED. THE CONTACT WAS NOT INJURED. THE INSURANCE COMPANY INSPECTED THE V…

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 65 MPH, THE CURTAIN AIR BAGS DEPLOYED WITHOUT WARNING. IN ADDITION, A WHITE SUBSTANCE EMITTED INTO THE INTERIOR OF THE VEHICLE WHEN THE FAILURE OCCURRED. A POLICE REPORT WAS NOT FILED. THE CONTACT WAS NOT INJURED. THE INSURANCE COMPANY INSPECTED THE VEHICLE AND INDICATED THAT IT WAS A MANUFACTURER FAILURE THAT NEEDED TO BE INVESTIGATED AND REPAIRED. THE INSURANCE COMPANY REFUSED TO REPAIR THE AIR BAG FAILURE. THE MANUFACTURER INDICATED THAT THERE WAS NO POTENTIAL DEFECT WITH THE PREMATURE AIR BAG DEPLOYMENT. THE VEHICLE WAS PARKED AT THE CONTACT'S RESIDENCE DUE TO THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 127,000.

NHTSA ODI #10838570

160,000 miles · Feb 17, 2016
EngineVehicle Speed Control

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 10 MPH, THE VEHICLE DECELERATED INDEPENDENTLY AND THE REDUCE ENGINE POWER WARNING LIGHT ILLUMINATED. THE VEHICLE WAS RESTARTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE V…

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 10 MPH, THE VEHICLE DECELERATED INDEPENDENTLY AND THE REDUCE ENGINE POWER WARNING LIGHT ILLUMINATED. THE VEHICLE WAS RESTARTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 160,000.

NHTSA ODI #10836665

80,000 miles · Jan 13, 2016
Engine

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING, THE CHECK ENGINE WARNING LIGHT ILLUMINATED PERSISTENTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE EXHAUST CAM POSITION SOLENOID FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED SEVERAL TIMES BUT THE FAILUR…

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING, THE CHECK ENGINE WARNING LIGHT ILLUMINATED PERSISTENTLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE EXHAUST CAM POSITION SOLENOID FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED SEVERAL TIMES BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 80,000.

NHTSA ODI #10819984

79,800 miles · Jan 7, 2016
Air BagsSeat BeltsService Brakes

ON A EXIT RAMP (CONCRETE) GOING ABOUT 30 MPH WHEN BOTH SIDE AIR BAGS UNEXPECTEDLY DEPLOYED, BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR, NO BRAKING, PUMPING THE BRAKE CORRECTED THEM AND STOPPED THE CAR. BRAKES NOW SEEM NORMAL. BOTH FRONT SEAT BELTS ARE NOW LOCKED. THE CAR HAS NO DAMAGE ON THE BODY OR TIRES. G M HAS OPENED A CASE…

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ON A EXIT RAMP (CONCRETE) GOING ABOUT 30 MPH WHEN BOTH SIDE AIR BAGS UNEXPECTEDLY DEPLOYED, BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR, NO BRAKING, PUMPING THE BRAKE CORRECTED THEM AND STOPPED THE CAR. BRAKES NOW SEEM NORMAL. BOTH FRONT SEAT BELTS ARE NOW LOCKED. THE CAR HAS NO DAMAGE ON THE BODY OR TIRES. G M HAS OPENED A CASE FOR US. WAITING THEIR CALL BACK.

NHTSA ODI #10818815

157,000 miles · Nov 30, 2015
Fuel/propulsion SystemPower Train

MY 2008 TRAILBLAZER IS HAVING A ROUGH IDLING ISSUE.. WHEN I FIRST START MY VEHICLE IT DOES NOT WANT TO KEEP RUNNING. IT DOESNT WANT TO MOVE EITHER. IT IS THE THROTTLE POSITION SENSOR AND IT COST 300.00 TO BUY THE PART

NHTSA ODI #10807375

76,000 miles · Nov 18, 2015
Fuel/propulsion System

TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FUEL TANK LEAKED FUEL AND THE FUEL CAP INDICATOR LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO CRAMPED THE TANK CAP, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 76,000. ....…

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TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FUEL TANK LEAKED FUEL AND THE FUEL CAP INDICATOR LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO CRAMPED THE TANK CAP, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 76,000. .....UPDATED 02/11/16 *BF *CN

NHTSA ODI #10794614

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.