IllustrationTRAVELING BETWEEN 50 TO 55 MPH. HEADLIGHTS STARTED TO DIM AND FLICKER. ON 10/29/2014, WAS TRAVELING HOME FROM WORK AT NIGHT AND THE HEADLAMPS WENT OUT WITHOUT WARNING. TRAVELED WITH HAZARDS ON FOR APPROXIMATELY FIVE MILES BEFORE HEADLAMPS CAME BACK ON. NOT SURE WHAT THE ISSUE MAY BE. *TR
2009 Chevrolet Trailblazer
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2009 Chevrolet Trailblazer do not stand out strongly from 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
Limited mileage data: 18 of 27 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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.
- Exterior Lighting. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
5 crash reports0 fire reports2 injury reports
What owners actually said
27 reportsTL* THE CONTACT OWNS A 2009 CHEVROLET TRAILBLAZER. WHILE DRIVING VARIOUS SPEEDS, THE LOW BEAM HEADLIGHTS STOPPED OPERATING SPORADICALLY. THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNAVAILABLE.
WAS ON EXPRESSWAY TRAVELING ABOUT 65MPH. VEHICLE STARTED TO SHUT OFF WHILE DRIVING, FELT AS IF IT WAS OUT OF GAS, BUT TANK WAS OVER 3/4 FULL. MANAGED TO GET TO SHOULDER OF ROAD, SAT THERE A MINUTE OR SO VEHICLE RECRANKED. I DROVE HOME. TOOK VEHICLE TO MECHANIC THAT EVENING, HE TESTED IT THE NEXT DAY AND SAID IGNITION SWITCH …
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WAS ON EXPRESSWAY TRAVELING ABOUT 65MPH. VEHICLE STARTED TO SHUT OFF WHILE DRIVING, FELT AS IF IT WAS OUT OF GAS, BUT TANK WAS OVER 3/4 FULL. MANAGED TO GET TO SHOULDER OF ROAD, SAT THERE A MINUTE OR SO VEHICLE RECRANKED. I DROVE HOME. TOOK VEHICLE TO MECHANIC THAT EVENING, HE TESTED IT THE NEXT DAY AND SAID IGNITION SWITCH WAS DEFECTIVE. HE REPLACED SWITCH, VEHICLE SEEMS FINE. *TR
AFTER READING OF THE NEW GM RECALL INVOLVING SEAT BELT WEAR, I INSPECTED MINE AND THE FRONT DRIVERS BELT IS FRAYING ALONG THE EDGE QUITE NOTICEABLY. *TR
I WAS DRIVING 2009 CHEVY TRAIL BLAZER AND WAS T-BONED BY A SPEEDING BUS ON MY SIDE, I HAD MY WIFE AND 2 GIRLS WITH ME, ALL WERE WEARING SEAT BELT AND ONE OF MY GIRLS WAS IN HER CAR SEAT ALSO. THE VEHICLE WAS TOTALED, ALL AIRBAGS FAILED TO DEPLOY IN THE VEHICLE. I SUFFERED MAJOR INJURIES AND I WAS OUT FROM MONDAY THROUGH SATURDAY…
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I WAS DRIVING 2009 CHEVY TRAIL BLAZER AND WAS T-BONED BY A SPEEDING BUS ON MY SIDE, I HAD MY WIFE AND 2 GIRLS WITH ME, ALL WERE WEARING SEAT BELT AND ONE OF MY GIRLS WAS IN HER CAR SEAT ALSO. THE VEHICLE WAS TOTALED, ALL AIRBAGS FAILED TO DEPLOY IN THE VEHICLE. I SUFFERED MAJOR INJURIES AND I WAS OUT FROM MONDAY THROUGH SATURDAY. 3 MONTHS LATER I HAD AN OPEN BRAIN SURGERY AND STILL UNDER DOCTORS' CARE. THE ACCIDENT TOOK PLACE IN JORDAN, I WAS CHARGED WITH THE ACCIDENT BECAUSE THE REPORT BY THE POLICE WAS BASED ON WHO YOU KNOW!!!!!! MY WIFE AND 2 GIRLS ARE DOING FINE EXCEPT FOR THE PSYCHOLOGICAL AFFECTS FROM THAT MOMENT. THIS HAS CHANGED MY LIFE COMPLETELY. I TRIED TO CONTACT COUPLE OF LAWYERS IN THE STATES BECAUSE I AM DEPLOYED IN KUWAIT BUT NOT HAVING ANY LUCK OF FINDING ANY ONE INTERESTED IN THE CASE BECAUSE OF THE LOCATION OF THE ACCIDENT. I WOULD LOVE TO BE ABLE TO FIND A LAWYER THAT IS INTERESTED IN THIS CASE. *TR
MY BLOWER IN MY 2005 CHEVY TRAILBLAZER STOPPED WORKING. THE WIRES MELTED TOGETHER ON THE RESISTER, MELTING THE ENTIRE PLUG. I HAVE SEEN WHERE THIS IS A COMMON PROBLEM CHEVY AND GMCS HAVE. THIS IS A NEEDED FUNCTION AND IF THERE IS A COMMON PROBLEM, WHY AREN'T THESE COMPANIES DOING SOMETHING TO REMEDY THIS???!! IN ONE WEEK I F…
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MY BLOWER IN MY 2005 CHEVY TRAILBLAZER STOPPED WORKING. THE WIRES MELTED TOGETHER ON THE RESISTER, MELTING THE ENTIRE PLUG. I HAVE SEEN WHERE THIS IS A COMMON PROBLEM CHEVY AND GMCS HAVE. THIS IS A NEEDED FUNCTION AND IF THERE IS A COMMON PROBLEM, WHY AREN'T THESE COMPANIES DOING SOMETHING TO REMEDY THIS???!! IN ONE WEEK I FOUND 5 PEOPLE WHO HAVE HAD THE SAME PROBLEM WITH CHEVYS... AND I LOVE IN A TOWN WITH ONLY 4K PEOPLE IN IT!! I CAN'T IMAGINE THE REST OF THE COUNTRY!! *TR
I HAVE BEEN SEEING THAT WHEN COMING TO A STOP MY VEHICLES IDLE STAYS UP WHEN IT SHOULD BE KICKING DOWN TO A LOWER RPM TO SLOW THE VEHICLE. I HAVE TO SMASH ON THE BRAKE PEDAL AT TIMES B/C IT FEELS LIKE THE TRUCK ISN'T STOPPING AND THE ENGINE RPMS STAY HIGH. I HEAR THIS IS A VERY COMMON PROBLEM AND HEARD THE FACTORY IS DOING NOTHI…
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I HAVE BEEN SEEING THAT WHEN COMING TO A STOP MY VEHICLES IDLE STAYS UP WHEN IT SHOULD BE KICKING DOWN TO A LOWER RPM TO SLOW THE VEHICLE. I HAVE TO SMASH ON THE BRAKE PEDAL AT TIMES B/C IT FEELS LIKE THE TRUCK ISN'T STOPPING AND THE ENGINE RPMS STAY HIGH. I HEAR THIS IS A VERY COMMON PROBLEM AND HEARD THE FACTORY IS DOING NOTHING ABOUT IT. IM YET TO BRING IT IN FOR THIS CONCERN BUT WHY BOTHER IF OTHERS ARE BEING BRUSHED OFF BY THE DEALERS. I GUESS GM WILL ONLY STEP IN WHEN SOMEONE GETS HURTS OR EVEN DIES FROM THIS. *TR
Official recalls
0No 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
1RQ17002 · 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.