WE HAVE A RECURRING PROBLEM WITH THE HEADLIGHTS, DASH LIGHTS DIMMING AND BRIGHTENING. IT SEEMS TO BE A COMMON ISSUE WITH MOST 2005 TRAILBLAZERS. THIS HAS BEEN ONGOING FOR SEVERAL MONTHS. *NM
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.
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
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.
What owners actually said
1,466 reportsMY WIFE DRIVES A 2005 CHEVROLET TRAIL BLAZER. ONE DAY ABOUT 1-2 MONTHS AGO SHE WAS COMING HOME FROM WORK, ABOUT 20 MILES, AND THE HEADLIGHTS AND INSTRUMENT LIGHTS STARTED FLASHING ON AND OFF. THIS HAPPENED ALL THE WAY HOME. I TOOK IT TO SMITH CHEVROLET IN LAURENS, S.C. (29360) TO HAVE IT REPAIRED. I WAS TOLD THERE WAS NO FIX AND…
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MY WIFE DRIVES A 2005 CHEVROLET TRAIL BLAZER. ONE DAY ABOUT 1-2 MONTHS AGO SHE WAS COMING HOME FROM WORK, ABOUT 20 MILES, AND THE HEADLIGHTS AND INSTRUMENT LIGHTS STARTED FLASHING ON AND OFF. THIS HAPPENED ALL THE WAY HOME. I TOOK IT TO SMITH CHEVROLET IN LAURENS, S.C. (29360) TO HAVE IT REPAIRED. I WAS TOLD THERE WAS NO FIX AND CHEVROLET WAS AWARE OF THE PROBLEM AND THAT THIS WAS ALSO A PROBLEM ON THE ENVOY. I WAS TOLD IT WAS BECAUSE OF THE DRAIN ON THE ELECTRICAL SYSTEM WHEN A NUMBER OF COMPONENTS WERE DRAWING CURRENT AND THE SMOG SYSTEM OR PUMP CAME ON. I WAS GIVEN A FLYER THAT STATED WHAT COULD CAUSE THE PROBLEM OF WHICH NONE COULD I ATTRIBUTE TO MY WIFE'S DRIVING STYLE. I HAVE BEEN CONTACTED BY A PERSON SAYING HIS NAME IS JEREMY AT 866-790-5700 EXT. 22087. JEREMY OFFERED TO GIVE US A 12 MONTH 12,000 OR 18,000 MILE EXTENDED WARRANTY FROM THE DATE OF SERVICE AT SMITH'S. THE CAR HAS ABOUT 29,000 MILES ON IT SO THE WARRANTY WOULD BE FOR ABOUT 5,000 MILES. I DO NOT WANT AN EXTENDED WARRANTY. I WANT THE CAR FIXED, REPLACED OR REFUND. THIS IS A VERY DANGEROUS SITUATION FOR MY WIFE. SHE IS OUT AT NIGHT WITH OUR 9 YEAR OLD SON AND SHE DOES NOT FEEL SAFE. I DON'T KNOW DATE EXACTLY. IT IS ESTIMATED. THIS HAS HAPPENED A SECOND TIME BUT NOT TAKEN IN YET. *JB
2005 CHEVROLET TRAILBLAZER'S HEADLIGHTS FLICKERED ON AND OFF. **CC SOMETIMES THE FLICKERING LAST FOR A FEW SECONDS OTHER TIMES IT HAS LASTED UP TO 10 MIN. THE DEALER WAS ABLE TO DUPLICATE THE PROBLEM BUT STATED THERE WAS A TSB FROM CHEVROLET WHICH STATED THE FLICKERING WAS NORMAL. THEREFORE THERE WERE NO REPAIRS ATTEMPTED. …
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2005 CHEVROLET TRAILBLAZER'S HEADLIGHTS FLICKERED ON AND OFF. **CC SOMETIMES THE FLICKERING LAST FOR A FEW SECONDS OTHER TIMES IT HAS LASTED UP TO 10 MIN. THE DEALER WAS ABLE TO DUPLICATE THE PROBLEM BUT STATED THERE WAS A TSB FROM CHEVROLET WHICH STATED THE FLICKERING WAS NORMAL. THEREFORE THERE WERE NO REPAIRS ATTEMPTED. THE BRAKES PULSATED DUE TO RUST ON THE ROTORS. *NM
TL* - ON NOVEMBER 11, 2006 THE CONTACT WAS DRIVING AT 5-10 MPH ON WET ROAD CONDITIONS WHEN THE CONTACT LOST CONTROL OF THE VEHICLE. THERE WERE NO WARNING INDICATOR LIGHTS DISPLAYED ON THE 2005 CHEVROLET TRAILBLAZER. THE VEHICLE STARTED SPINNING, THE CONTACT'S VEHICLE HIT A CEMENT MEDIAN,AND THE VEHICLE SPUN AROUND AGAIN. THE…
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TL* - ON NOVEMBER 11, 2006 THE CONTACT WAS DRIVING AT 5-10 MPH ON WET ROAD CONDITIONS WHEN THE CONTACT LOST CONTROL OF THE VEHICLE. THERE WERE NO WARNING INDICATOR LIGHTS DISPLAYED ON THE 2005 CHEVROLET TRAILBLAZER. THE VEHICLE STARTED SPINNING, THE CONTACT'S VEHICLE HIT A CEMENT MEDIAN,AND THE VEHICLE SPUN AROUND AGAIN. THE LEFT FRONT TIRED LOOKED SHREDDED. THERE WERE NO INJURIES. THE VEHICLE WAS TOWED AWAY. THE DRIVE SHAFT WAS REPLACED. THE CONTACT STATED THAT ONCE THE VEHICLE WAS REPAIRED THE TIRE WAS RUBBING ON THE FRAME. THE CONTACT TOOK THE VEHICLE TO ANOTHER REPAIR SHOP AND WAS TOLD THAT THE DRIVE SHAFT HAD BEEN INSTALLED INCORRECTLY, CAUSING THE TIRE TO RUB ON THE FRAME. THE FIRST DEALER DID NOT TELL THE CONTACT THEY REPLACED THE DRIVE SHAFT. THE VEHICLE'S DRIVE SHAFT HAS BEEN ORDERED AND THE CONTACT IS STILL DRIVING THE VEHICLE. THE VEHICLE HAD APPROXIMATELY 28,000 MILES AT THE TIME OF THE FAILURE. THE CONTACT HAS THE REPAIR INVOICES. *NM
PURCHASED 2005 CHEVROLET TRAILBLAZER LS OCT.28 06. SINCE THEN, TO DATE, VEH. HAS BEEN IN SHOP (DEALERSHIP 4X). 1. BRAKE REPAIR. ALL 4 CALIPERS WERE REPLACED. THIS VEHICLE HAD ONLY 22,000. MILES. IN SHOP VERY 1ST WEEK OF PURCHASE. 2. BEEN COMPLAINING OF FLICKERING LIGHTS. WAS HANDED A GMC PRINTOUT STATING THEY DID NOT KNOW …
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PURCHASED 2005 CHEVROLET TRAILBLAZER LS OCT.28 06. SINCE THEN, TO DATE, VEH. HAS BEEN IN SHOP (DEALERSHIP 4X). 1. BRAKE REPAIR. ALL 4 CALIPERS WERE REPLACED. THIS VEHICLE HAD ONLY 22,000. MILES. IN SHOP VERY 1ST WEEK OF PURCHASE. 2. BEEN COMPLAINING OF FLICKERING LIGHTS. WAS HANDED A GMC PRINTOUT STATING THEY DID NOT KNOW CAUSE. SO THEREFORE THE DEALERSHIP, HOOD CHEVROLET, COVINGTON LA. COULD NOT DO ANYTHING ABOUT IT. 3. COMPLAINED OF ENGINE ACCELERATION WHILE APPLYING BRAKE, COMING TO A STOP OR A SLOW SPEED IN A PARKING LOT. FEAR THAT I MAY CRASH INTO SOMEONE. RECEIVED PRINTOUT FROM GM STATING THIS WAS NORMAL. BUT I SEE THIS IS A HAZARD. 4. COMPLAINED OF SEAT BELT "RIDING" ON THE NECKLINE, RESTRICTING BLOOD FLOW IN LEFT ARTERY ON NECK. I SEE THIS A MAJOR PROBLEM. I COMMUTE 26 MILES ONE WAY TO WORK AT A HOSPITAL. I THOUGHT I WOULD BE SAFER DRIVING MY TRAILBLAZER, NOW I FEAR FOR MY LIFE. 5. COMPLAINED OF POPPING ON FRONT END. SERVICE HAD TO ORDER SWAY LINKS AND REPLACE. DID NOT SOLVE PROBLEM, STILL HAVE FRONTAL POPPING WHILE TURNING LEFT OR RIGHT, REVERSE AND FORWARD. IT IS PROGRESSIVELY GETTING WORSE. FOUND OUT GM CERTIFIED TECH. DID NOT PROPERLY ALIGN CALIBERS WHEN INSTALLED. I HAVE PAID TO MUCH FOR THIS $23,000. LEMON. ACTION SHOULD BE TAKEN. SARAH DYKES, BOGALUSA LOUISIANA. *NM
TL* - THE CONTACT'S 2005 CHEVY TRAILBLAZER WAS PURCHASED USED ON AUGUST 13, 2005 FROM BERGLUND CHEVROLET OF VIRGINIA, WITH 13000 MILES. THE VEHICLE WAS INVOLVED IN AN ACCIDENT ON JANUARY 8TH, 2007 WERE THERE WAS ONE FATALITY AND FIVE PEOPLE WERE INJURED. A SECOND VEHICLE, A BUICK LASABRE, FAILED TO STOP AT STOP SIGN WHILE MAK…
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TL* - THE CONTACT'S 2005 CHEVY TRAILBLAZER WAS PURCHASED USED ON AUGUST 13, 2005 FROM BERGLUND CHEVROLET OF VIRGINIA, WITH 13000 MILES. THE VEHICLE WAS INVOLVED IN AN ACCIDENT ON JANUARY 8TH, 2007 WERE THERE WAS ONE FATALITY AND FIVE PEOPLE WERE INJURED. A SECOND VEHICLE, A BUICK LASABRE, FAILED TO STOP AT STOP SIGN WHILE MAKING A LEFT HAND TURN. THE CONTACT'S VEHICLE STRUCK THE SECOND VEHICLE DIRECTLY ON THE DRIVER'S SIDE. THE CONTACT'S VEHICLE WAS TRAVELING AT 50 MPH. THE DRIVER OF THE SECOND VEHICLE WAS PRONOUNCED DEAD AT THE SCENE. THE CONTACT'S VEHICLE PASSENGER AND DRIVER SIDE AIR BAGS NEVER DEPLOYED, EVEN THOUGH THERE WERE PASSENGERS IN ALL SEATS. SIX STATE TROOPERS WERE ON THE SCENE AND NO ONE WAS SITED.
ON 2 DIFFERENT TIMES I HAVE TAKEN MY 05 TRAILBLAZER TO THE DEALER FOR WORK TO DONE ON WHAT WE THOUGHT WAS THE ALTERNATOR. THE HEADLAMPS AND INSIDE LAMPS WILL DIM AND THE BATTERY CHARGE GAUGE WILL DROP BELOW THE 14 AMPS GM CALL NORMAL. I HAVE BEEN TOLD THAT THIS IS A NORMAL CONDITION. I FEEL IT IS ANYTHING BUT NORMAL AND IT IS…
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ON 2 DIFFERENT TIMES I HAVE TAKEN MY 05 TRAILBLAZER TO THE DEALER FOR WORK TO DONE ON WHAT WE THOUGHT WAS THE ALTERNATOR. THE HEADLAMPS AND INSIDE LAMPS WILL DIM AND THE BATTERY CHARGE GAUGE WILL DROP BELOW THE 14 AMPS GM CALL NORMAL. I HAVE BEEN TOLD THAT THIS IS A NORMAL CONDITION. I FEEL IT IS ANYTHING BUT NORMAL AND IT IS A SAFETY ISSUE. PEOPLE THINK YOU ARE BRIGHT LIGHTING THEM AND IT IS JUST PLAIN HARD TO SEE AT TIMES. IT SEEM TO HAPPEN MORE WHEN IT IS COLD AND DAMP. THIS IS NOT NORMAL, AND UNLESS GM DECIDES TO FIX THIS PROBLEM WE WILL NOT BUY ANOTHER GM PRODUCT! *JB
HEADLIGHTS AND DASH LIGHTS DIM FOR NO APPARENT REASON. HEADLIGHTS FLICKER, USUALLY ONLY MOMENTARILY BUT ON OCCASION HAS LASTED FOR UP TO 10 MINUTES. I FEEL IT IS ILLEGAL AND UNSAFE TO DRIVE. GM SAYS IT IS "NORMAL" *JB
TL* - THE CONTACT NOTICED WHILE DRIVING AT NIGHT THE HEADLIGHTS WOULD GO DOWN TO LOW BEAMS. ONCE VEHICLE WAS WARM HE DIDN'T HAVE THIS FAILURE. THE CONTACT STATED THAT HE COULD BARELY SEE THE ROAD IN FRONT OF HIM WHILE DRIVING. ALSO, WHILE DRIVING AND ANOTHER VEHICLES BLINKED THE LIGHTS TO INFORM HIM THAT THE HIGH BEAM…
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TL* - THE CONTACT NOTICED WHILE DRIVING AT NIGHT THE HEADLIGHTS WOULD GO DOWN TO LOW BEAMS. ONCE VEHICLE WAS WARM HE DIDN'T HAVE THIS FAILURE. THE CONTACT STATED THAT HE COULD BARELY SEE THE ROAD IN FRONT OF HIM WHILE DRIVING. ALSO, WHILE DRIVING AND ANOTHER VEHICLES BLINKED THE LIGHTS TO INFORM HIM THAT THE HIGH BEAMS WERE ON, BUT THE VEHICLE INDICATOR LIGHT DIDN'T SHOW THAT THE HIGH BEAMS WERE ON. THE CONTACT TOOK VEHICLE TO 4 TIMES , AND THE LAST TIME WAS TOLD THAT HIS AIR PUMP WAS THE CAUSE OF THIS MALFUNCTION. THE CONTACT STATED THAT HE STILL HAD NO RESOLUTION TO THE PROBLEM WITH HIS HEADLIGHTS. THE CONTACT HAS CALLED GENERAL MOTORS, AND THEY TOOK HIS COMPLAINT. HE WAS TOLD BY GENERAL MOTORS THAT THEY WERE WORKING ON THIS FAILURE DUE TO OF THE NUMBER OF SIMILAR COMPLAINTS. THE CONTACT STATED THT HE HAD NO RESOLUTION FROM GENERAL MOTORS, AND HE HAS CONTACTED THE BETTER BUSINESS BUREAU. THE BBB GAVE HIM A CLAIM # 71438795446, AND WAS TOLD THAT THEY WOULD WORK WITH GENERAL MOTOR AND SEE WHAT THEY CAN DO ABOUT THIS. *AK
2005 CHEVROLET TRAILBLAZER - VEHICLE HEADLIGHTS INTERMITTENTLY FLICKER WHILE OPERATING. CONDITION EXISTS EVERY TIME THE VEHICLE IS OPERATED RESULTING IN A SAFETY HAZARD TO BOTH THE DRIVER, OCCUPANTS AND OTHER MOTORISTS. CHEVROLET REPRESENTATIVES HAVE REPLACED THE ALTERNATOR/GENERATOR, AIR PUMP AND FIXED A POTENTIAL ELECTRICAL …
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2005 CHEVROLET TRAILBLAZER - VEHICLE HEADLIGHTS INTERMITTENTLY FLICKER WHILE OPERATING. CONDITION EXISTS EVERY TIME THE VEHICLE IS OPERATED RESULTING IN A SAFETY HAZARD TO BOTH THE DRIVER, OCCUPANTS AND OTHER MOTORISTS. CHEVROLET REPRESENTATIVES HAVE REPLACED THE ALTERNATOR/GENERATOR, AIR PUMP AND FIXED A POTENTIAL ELECTRICAL GROUND WITH NEGATIVE RESULTS. AT THIS POINT CHEVROLET REPRESENTATIVES ARE STATING THAT THIS ISSUE CAN NOT BE FIXED AND SHOULD BE ACCEPTED AS A NORMAL DRIVING CHARACTERISTIC OF THE VEHICLE. THIS IS A SAFETY CONCERN. *JB
Official recalls
206V417000 · 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
2RQ17002 · 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.
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