Exterior Lighting. Review the 62 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Structure. Review the 59 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Fuel/propulsion System. Review the 49 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

12 crash reports2 fire reports5 injury reports

Structure complaints

59 reports

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5,000 miles · Jul 12, 2006

Structure

DELAMINATED ROOF PANEL ON 06 CORVETTE..AKA...FLYING ROOF. *JB

NHTSA ODI #10162271

3,800 miles · Jul 12, 2006

Structure

WHILE DRIVING THE C6 CORVETTE WITH PAINTED ROOF, THE ROOF FLEW OFF, ENDANGERING MYSELF AND OTHERS. THAT WAS ALMOST 6 WEEKS AGO AND THE DEALER HAS NOT YET PROVIDED A FIXED ROOF. THE CAR IS UN-DRIVABLE WITHOUT A ROOF. *JB

NHTSA ODI #10162229

11,075 miles · Jul 11, 2006

Structure

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I PURCHASED A 2006 CHEVROLET CORVETTE IN JANUARY OF THIS YEAR AND HAVE BEEN HEARING THERE WAS GOING TO BE A SAFETY RECALL ON THE REMOVABLE TOPS. THERE HAVE BEEN SOME INSTANCES OF THE TOPS FLYING OFF OF THE CARS AT HIGHWAY SPEEDS. MY CARS TOP HAS COME COMPLETELY OFF AND IS UNDRIVABLE. I AM CURRENTLY WORKING WITH GM AND MY LOCAL DEALERSHIP TO GET THIS RESOLVED BUT ALL I AM GETTING IS BACK TALK FROM THE GM REPRESENTATIVE. ALL I DID TO GET MY TOP TO COME OFF WAS SHUT THE DRIVERS SIDE DOOR ONE DAY AND IT POPPED UP AND ALMOST FELL OFF. I UNDERSTAND THESE TOPS ARE ONLY HELD ON BY SOME KIND OF URETHANE GLUE THAT IS COMING LOOSE. THE TOP ON MY CAR NOW HAS COMPLETELY COME OFF . ANY AND ALL HELP WOULD BE GREATLY APPRECIATED. *JB

NHTSA ODI #10162157

5,200 miles · Jul 10, 2006

Structure

DT*: THE CONTACT STATED WHILE DRIVING 20 MPH THE ROOF SEPARATED FROM THE FRAME. THERE WAS A RUBBING SQUEAKING NOISE HEARD PRIOR TO THE SEPARATION. THERE IS A NHTSA RECALL, 06V181000, REGARDING THE BODY: ROOF AND PILLARS. THE DEALER AND MANUFACTURER HAVE BEEN CONTACTED AND DETERMINED THE VIN WAS NOT INCLUDED IN THE RECALL. T…

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NHTSA ODI #10162030

8,200 miles · Jul 2, 2006

Structure

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FOR WEEKS PRIOR TO FAILURE, I HAD HEARD POPPING SOUNDS AROUND THE PAINTED REMOVABLE ROOF THAT I THOUGHT WERE DUE TO THE FRAME CREAKING. ON THE DATE THE ROOF FLEW OFF, I HAD PARKED THE CAR AT WORK AND IT WAS OVER 100 DEGREES OUTSIDE. I LEFT THE PARKING LOT, TURNED ONTO A SHORT STREET, AND STOPPED AT A LIGHT. WHEN THE LIGHT TURNED GREEN, I TURNED LEFT AND THE ROOF FLEW OFF AT ABOUT 25 MPH. IT LANDED IN THE LEFT-TURN LANE OF OPPOSITE TRAFFIC. I WAS ABLE TO MAKE A U-TURN AND RETRIEVE THE TOP WITHOUT ANYONE HITTING IT. I'VE TALKED TO THE DEALER AND GM CUSTOMER ASSISTANCE AND GET DIFFERENT STORIES. THE DEALER INITIALLY SAID THEY COULD NOT ORDER A NEW PART BECAUSE THEY WERE BACK-LOGGED. THEN GM CUSTOMER ASSISTANCE SAID THAT THE COULDN'T PROVIDE A REPLACEMENT BECAUSE A NEW ROOF WAS BEING DESIGNED AND WOULDN'T BE READY FOR 4-6 WEEKS, AROUND SOMETIME IN AUGUST. TODAY, THE DEALER SAID THAT THEY WERE GOING TO ORDER A NEW ROOF, HAVE IT PAINTED, AND USE THAT AS A REPLACEMENT. I TOLD THEM THAT I WAS CONCERNED BECAUSE I HAD READ ON A CORVETTE FORUM WHERE SOME REPAIRED ROOFS HAVE ALSO SEPARATED/DE-LAMINATED IN ADDITION TO THE REPAIR OFTEN LEAVING UGLY GLUE RESIDUE ON THE TOPS. BUT MOSTLY, I AM HESITANT TO ACCEPT A CURRENT ROOF DUE TO LIABILITY CONCERNS SHOULD ANOTHER ROOF SEPARATE FROM THE CAR AND INJURE ANOTHER DRIVER...ESPECIALLY A MOTORCYCLE RIDER. SINCE I AM GETTING DIFFERENT RESOLUTIONS FROM THE DEALER AND CUSTOMER SERVICE, I HAVE NO IDEA WHAT IS GOING TO HAPPEN. HOWEVER, I DID TELL THE DEALER OF MY CONCERNS OF A NEW ROOF SEPARATING AND THAT I MAY NOT BE ABLE TO ACCEPT ANYTHING BUT A REDESIGNED ROOF. THEY INDICATED THAT AT LEAST I WOULD HAVE A ROOF IN PLACE AND BE ABLE TO DRIVE THE CAR. THEY WEREN'T SURE IF THEY COULD ACTUALLY ORDER ONE OR NOT, BUT FELT THAT THEY COULD AND THAT CUSTOMER SERVICE WAS WRONG IS SAYING THAT ONLY REDESIGNED ROOFS COULD BE ORDERED. *JB

NHTSA ODI #10161221

Mileage unknown · Jun 26, 2006

Structure

I HEARD CRACKING AND POPPING OF THE PAINTED ROOF OF MY 2006 CORVETTE ABOUT 2 WEEKS PRIOR TO THE WHOLE ROOF RIPPING OFF AT ONLY 50 MPH. IN BETWEEN THAT TIME THE CAR WAS ONLY DRIVEN 3 TIMES AND THE TIME BEFORE IT ACTUALLY RIPPED OFF. I TURNED AROUND AND BROUGHT IT HOME HALFWAY TO MY DESTINATION BECAUSE I DID NOT FEEL SAFE. THE MO…

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NHTSA ODI #10160729

12,571 miles · Jun 12, 2006

Structure

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THIS COMPLAINT IS ABOUT A 2006 CHEVROLET CORVETTE COUPE WITH A PAINTED ROOF. MY ROOF HAD STARTED MAKING NOISES ABOUT 3 WEEKS PRIOR TO MY COMPLAINT. SHORTLY AFTER I HAD NOTICED THAT THE REAR PART OF THE PLASTIC ROOF HAD COMPLETELY SEPARATED FROM THE METAL FRAME TO WHICH IT WAS GLUED. I TOOK THE CAR IN TO THE DEALER FOR ACTION AND THEY INFORMED ME THAT THEY WOULD ORDER A NEW ROOF, BUT THAT IT WOULD TAKE 4-5 WEEKS TO GET THE NEW TOP AND THAT IT WOULD TAKE ANOTHER WEEK OR SO TO GET IT PAINTED TO MATCH MY CAR. I INFORMED THEM THAT THERE WAS A DANGER OF THE ROOF POSSIBLY FLYING OFF TO WHICH THEY REPLIED "JUST GO AHEAD AND DRIVE IT, WE HAVEN'T HEARD OF ANYTHING LIKE THAT AND WE'VE SEE MUCH WORSE THAN YOURS" RELUCTANTLY AND WITHOUT CHOICE I LEFT THE DEALERSHIP AND TOOK THE CAR HOME WHERE IT WOULD SIT UNLESS THERE WAS ZERO CHANCE OF RAIN. DUE TO THE SEPARATION, ANY RAIN WOULD GET RIGHT INTO THE PASSENGER CABIN OF THE VEHICLE. THIS PAST FRIDAY, JUNE 2, 2006, I BROUGHT THE CAR BACK TO THE DEALER BECAUSE I RECEIVED A LETTER STATING MY TOP WAS IN STOCK. THEY TOLD ME IT WAS IN STOCK, BUT WAS BEING PAINTED AND THAT I WOULD BE CALLED WHEN IT WAS READY. SINCE IT WAS A GOOD DAY WITH NO CHANCE OF RAIN, I DECIDED TO DRIVE THE CAR TO WORK. LEAVING MY OFFICE THAT EVENING AROUND 6, MY ROOF COMPLETELY SEPARATED AND FLEW OFF THE CAR. I HAD JUST ACCELERATED ONTO THE MAIN ROAD AT A NORMAL PACE. I WAS JUST REACHING AROUND 35-40 MPH WHEN I HEARD A WHOOSH AND SUDDENLY I COULD SEE THE SKY. I SAW THE PANEL LAND IN THE ROAD BEHIND ME, AND WAS ABLE TO MAKE A U-TURN AND RETRIEVE THE PANEL. I WAS IN CONTACT WITH GM CUSTOMER SERVICE ABOUT THIS AND ALL THEY COULD DO WAS OFFER MORE EXCUSES AS TO WHY I STILL HAVE NO ROOF FOR MY CAR AND HOW SORRY THEY WERE. MY CAR HAS BEEN SITTING USELESS IN MY GARAGE NOW FOR AROUND 5 WEEKS. IF DESIRED, I HAVE DETAILED PICTURES OF THE ROOF AND THE PANEL THAT FLEW OFF, THANKFULLY NO ONE WAS BEHIND ME WHEN IT HAPPENED. *JB

NHTSA ODI #10159577

10,810 miles · Jun 10, 2006

Structure

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I OWN A NEW 2006 CORVETTE, VIN [XXX], PURCHASED FROM MAROONE CHEVROLET, PEMBROKE PINES. THE PAINTED (SILVER) ROOF PANEL BEGAN TO SEPARATE LAST WEEK WITH NO WARNING. THERE WERE NO POPPING, CREAKING OR OTHER SOUNDS. THE ONLY INDICATION OF THE IMPENDING SEPARATION WAS INCREASED WIND NOISE AT HIGHWAY SPEED. THE NOISE BEGAN ONE DAY WHILE AT 70 MPH, AND WOULD STOP IF SPEED WAS REDUCED TO 60 MPH. BY THE TIME I ARRIVED HOME FROM MY 30-MINUTE DRIVE, HOWEVER, SPEEDS OF 55-60 MPH WERE CAUSING THE NOISE, AND OBVIOUS CONTINUED SEPARATION. I MUST USE MY CAR, AND FROM AN ONLINE FORUM, CORVETTEFORUM, I KNEW THAT THOSE TAKING CARS FOR REPAIR BY GM DEALERS ARE WAITING UP TO SEVERAL WEEKS FOR THE REPAIR, WITH NO CAR, SO I PURCHASED A $1600 CLEAR REPLACEMENT PANEL FROM MY OWN FUNDS TO USE FOR NOW. I FEEL THIS IS A SERIOUS SAFETY ISSUE, AND EXTENDS FAR BEYOND THE VEHICLES CHEVROLET WILL ADMIT ARE AFFECTED. IT SEEMS OBVIOUS THAT SOMEONE WILL EVENTUALLY BE SERIOUSLY INJURED, OR IF THE CIRCUMSTANCES ARE RIGHT THERE COULD EVEN BE DEATH AS AN IMMEDIATE OR SECONDARY RESULT OF ROOF SEPARATION WHILE AT SPEED. WE OWNERS DESERVE A PROMPT AND EFFECTIVE FIX. THE ATTEMPT BY GM AT FILLING THE VOIDS WITH FOAM GLUE CLEARLY DOES NOT WORK, AS SEEN FROM THOSE RETURNING THE REWORKED TOPS HAVING SUBSEQUENT FAILURE. I DON'T KNOW IF PRESCRIBING A SPECIFIC REMEDY IS WITHIN YOUR JURISDICTION, BUT SINCE GM HAS TRANSPARENT PANELS, AND THOSE ARE NOT SEPARATING, OWNERS SHOULD RECEIVE THESE IN THE INTERIM. THOSE OF US WHO PURCHASED THEM ON OUR OWN DUE TO THE DEFECT IN OUR ORIGINAL TOP SHOULD BE REIMBURSED AS WELL, TO ENCOURAGE PROMPT AND COMPLETE REPLACEMENT OF ALL AFFECTED PARTS FROM USE ON THE PUBLIC ROADWAYS. *NM UPDATED 07/16/2012 *JS INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI #10159518

Mileage unknown · Apr 22, 2006

Structure

WHILE DRIVING AT MODERATE SPEED, ROOF PANEL SEPARATED AND FLEW OFF. ROOF PANEL DAMAGED. FORTUNATELY, IT (BARELY) MISSED MISSED HITTING THE CAR BEHIND ME. PANEL HAD SEPARATED FROM FRAME (ROOF FRAME IS REMOVABLE BUT THE FRAME ITSELF REMAINED PROPERLY ATTACHED TO VEHICLE). VEHICLE IS CURRENTLY AT DEALER WHO HAS AGREED TO REPLACE T…

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NHTSA ODI #10155883

Official recalls

14V251000 · Electrical System:wiring; Exterior Lighting:headlights

May 14, 2014

General Motors LLC (GM) is recalling certain model year 2005-2007 Chevrolet Corvette vehicles manufactured March 29, 2004, through June 22, 2007. In the affected vehicles, the underhood bussed electrical center (UBEC) housing can expand and cause the headlamp low beam relay control circuit wire to bend. If the wire is repeatedly bent, it may fracture causing a loss of low beam headlamp illumination.

Consequence & remedy

Consequence: The loss of low beam headlamp illumination will decrease the driver's visibility, as well as the vehicle's conspicuity to other motorists, increasing the risk of a crash.

Remedy: GM will notify owners, and dealers will install a jumper wire to correct this condition, free of charge. The recall began January 2, 2015. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 13146. Note: Model year 2008-2013 Chevrolet Corvettes will be covered under customer satisfaction program number 14203 for the same issue.

Additional source detail variants (2)

Exterior Lighting:headlights

Consequence: The loss of low beam headlamp illumination will decrease the driver's visibility, as well as the vehicle's conspicuity to other motorists, increasing the risk of a crash.

Remedy: GM will notify owners, and dealers will install a jumper wire to correct this condition, free of charge. The recall began January 2, 2015. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 13146. Note: Model year 2008-2013 Chevrolet Corvettes will be covered under customer satisfaction program number 14203 for the same issue.

Electrical System:wiring

Consequence: The loss of low beam headlamp illumination will decrease the driver's visibility, as well as the vehicle's conspicuity to other motorists, increasing the risk of a crash.

10V172000 · Steering:column

Apr 26, 2010

GM IS RECALLING CERTAIN MODEL YEAR 2005 AND 2006 CHEVROLET CORVETTE PASSENGER CARS MANUFACTURED BETWEEN MARCH 2004 AND JANUARY 2006 EQUIPPED WITH A TILT AND TELESCOPING STEERING COLUMN (RPO N37). IN RARE CASES, REPEATED MOVEMENT OF THE STEERING COLUMN MAY CAUSE A SIGNAL INTERRUPTION WITHIN THE COLUMN. IF THIS OCCURS, THE MESSAGE, "SERVICE ACTIVE HANDLING SYSTEM" WILL APPEAR IN THE DRIVER INFORMATION CENTER, AND ONE OR MORE OF THE BRAKES MAY APPLY, POSSIBLY CAUSING THE VEHICLE TO PULL TO THE RIGHT OR LEFT.

Consequence & remedy

Consequence: IF THE DRIVER DOES NOT RESPOND TO THE CHANGE IN VEHICLE MOVEMENT, A CRASH COULD OCCUR.

Remedy: GM WILL NOTIFY OWNERS AND DEALERS WILL REPAIR THE VEHICLES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 30, 2010. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC AT 1-866-996-9463 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.

09V491000 · Structure:body:roof And Pillars

Dec 23, 2009

GENERAL MOTORS IS RECALLING CERTAIN MODEL YEAR 2005 THROUGH 2007 CORVETTE VEHICLES EQUIPPED WITH A REMOVABLE ROOF AND MODEL YEAR 2006 AND 2007 CORVETTE Z06 VEHICLES. THE ADHESIVE BETWEEN THE ROOF PANEL AND THE FRAME MAY SEPARATE. IF THERE IS A PARTIAL SEPARATION, THE DRIVER MAY NOTICE ONE OR MORE SYMPTOMS, SUCH AS A SNAPPING NOISE WHEN DRIVING OVER BUMPS, WIND NOISE, POOR ROOF PANEL FIT, ROOF PANEL MOVEMENT/BOUNCE WHEN A DOOR OR HATCH IS CLOSED, OR A WATER LEAK IN THE HEADLINER.

Consequence & remedy

Consequence: IF THERE IS A COMPLETE SEPARATION, THE ROOF PANEL MAY DETACH FROM THE VEHICLE. IF THIS WERE TO OCCUR WHILE THE VEHICLE WAS BEING DRIVEN, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.

Remedy: DEALERS WILL INSTALL A NEW DESIGN ROOF PANEL FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING APRIL 2010. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 OR AT WWW.GMOWNERCENTER.COM.

06V181000 · Structure:body:roof And Pillars

May 24, 2006

ON CERTAIN 2005-2006 CHEVROLET CORVETTES EQUIPPED WITH PAINTED ROOFS, THE ADHESIVE BETWEEN THE ROOF PANEL AND THE FRAME MAY SEPARATE.

Consequence & remedy

Consequence: IF THERE IS A COMPLETE SEPARATION, THE ROOF PANEL MAY DETACH FROM THE VEHICLE AND IT COULD STRIKE ANOTHER VEHICLE AND CAUSE INJURY AND PROPERTY DAMAGE.

Remedy: DEALERS WILL INSPECT VEHICLES FREE OF CHARGE FOR POTENTIAL ROOF PANEL-TO- FRAME SEPARATION AND ADD THE SPECIFIED ADHESIVE FOAM OR REPLACE THE ROOF WITH ONE HAVING ADHESIVE FOAM. THE RECALL BEGAN ON OCTOBER 19, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438.

05V455000 · Steering:hydraulic Power Assist:hose, Piping, And Connections

Oct 5, 2005

CERTAIN PASSENGER VEHICLES MAY HAVE BEEN BUILT WITH A POWER STEERING HOSE THAT IS NOT TO SPECIFICATION. UNDER EXTREME STEERING MANEUVERS, SUCH AS TURNING THE STEERING WHEEL FULLY TO THE LEFT OR RIGHT WHILE BRAKING, THE HOSE MAY FRACTURE AND LEAK FLUID.

Consequence & remedy

Consequence: IF THIS WERE TO OCCUR, POWER STEERING ASSIST WOULD BE LOST AND INCREASED STEERING EFFORT WOULD BE REQUIRED. ON VEHICLES EQUIPPED WITH HYDRO-BOOST POWER BRAKES, IT COULD ALSO RESULT IN LOSS OF POWER BRAKE ASSIST AND INCREASED BRAKING EFFORT WOULD BE REQUIRED. IF THE POWER STEERING FLUID SPRAY WERE TO SPRAY ONTO HOT ENGINE PARTS, AN ENGINE COMPARTMENT FIRE COULD OCCUR.

Remedy: DEALERS WILL INSPECT THE POWER STEERING HOSE(S) FOR TWO SUSPECT DATE CODES AND REPLACE THEM IF REQUIRED. THE RECALL WILL BEGIN ON OCTOBER 14, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, ISUZU AT 1-800-255-6727, OR HUMMER AT 1-800-732-5493.

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

EA13007 · Simultaneous Loss Of Low-Beam Headlights

Opened Aug 23, 2013 · Closed Jun 24, 2014

Status: closed (inferred from source dates) · Exterior Lighting; Exterior Lighting:headlights

On May 14, 2014, General Motors (GM) submitted a Part 573 defect information report initiating NHTSA Safety Recall 14V-251 to remedy the subject vehicles.GM will remedy a defect condition in the underhood bussed electrical center (UBEC) by modifying the vehicle's electrical harnessing.GM also announced a customer satisfaction bulletin to address this issue on model year (MY) 2008-2013 Chevrolet Corvettes.Both programs will be conducted free of charge.According to GM, when the engine heats up and cools down (from normal use), the plastic material in the UBEC housing expands at a different rate than an electrical conductor routed within it.The difference in expansion rates results in bending of the conductor, a control circuit for the low beam headlights.After multiple thermal cycles, often taking several years of use, the conductor fractures resulting in an open circuit.When this occurs the low-beam headlights will not illuminate.After the engine is turned off and the UBEC cools, the conductor may temporarily reconnect and restore low-beam function, although subsequent failures will occur.This condition does not affect high-beam headlights, marker lamps, turn signals or fog lamps.Simultaneous loss of low-beam headlights could reduce the driver's visibility, increasing the risk of a crash. The ODI report counts noted above, involving the loss of low beam headlights, represents those received at the time of GM's recall filing; however NHTSA has since received additional complaints.GM submitted similar complaints in response to the agency's information request.Among the complaints reported to NHTSA, five alleged minor crashes in which the vehicle ran off the road or into roadside objects due to the sudden loss of headlights.Two of these complaints alleged minor injuries and three alleged property damage.Several other reports to NHTSA alleged close calls due to the loss of lighting.GM states that it has received no reports of crashes, injuries or fatalities as a result of this condition. GM's recall action appears to adequately address the safety risks in the subject vehicles of concern to ODI.Accordingly, the investigation is closed.In addition to recalling the subject vehicles, GM is covering MY 2008-2013 Corvettes, which contain essentially the same UBEC, under a customer satisfaction campaign.ODI notes that these vehicles exhibit a lower likelihood of failure due to their comparatively shorter service life. The VOQs cited above can be viewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification numbers: 10400308, 10415603, 10415867, 10416531, 10421639, 10424391, 10424543, 10445971, 10451733, 10454919, 10460674, 10460750, 10463546, 10466342, 10466857, 10468128, 10469057, 10470616, 10471595, 10474350, 10474368, 10475257, 10486597, 10491670, 10496592, 10496788, 10498100, 10502059, 10505606, 10508507, 10510052, 10511467, 10511517, 10511576, 10511696, 10511699, 10511789, 10511837, 10511994, 10512072, 10512093, 10512154, 10512292, 10512341, 10512856, 10513422, 10514576, 10514802, 10514978, 10515162, 10515311, 10515821, 10519426, 10519879, 10520155, 10521036, 10521585, 10522260, 10523059, 10523064, 10523190, 10525646, 10531602, 10531631, 10532221, 10532439, 10533227, 10533251, 10533339, 10536835, 10537561, 10537612, 10538184, 10541749, 10542468, 10542540, 10542576, 10542708, 10542726, 10543187, 10543970, 10544083, 10544810, 10545441, 10545516, 10547343, 10547561, 10547600, 10548492, 10548588, 10548687, 10548982, 10549272, 10549487, 10550079, 10550260, 10551233, 10551867, 10551926, 10551978, 10552019, 10553258, 10554456, 10554573, 10556002, 10556433, 10556844, 10556984, 1

Additional source detail variants (2)

Exterior Lighting

Exterior Lighting:headlights

PE13013 · Loss Of Low Beam Headlights

Opened May 6, 2013 · Closed Aug 26, 2013

Status: closed (inferred from source dates) · Exterior Lighting; Exterior Lighting:headlights

The Office of Defects Investigation (ODI) opened this investigation based on 30 reports from consumers alleging that, after driving for a short time (5 to 30 minutes), both low beam headlights stopped working simultaneously and without warning. The low beam headlights remained inoperative for the remainder of the drive cycle, however no other lighting is affected.General Motors (GM) provided information in response to ODI's information request letter explaining that the loss of headlights is caused by a fractured low beam circuit wire in the underhood bussed electrical center (UBEC), a device that is similar to a fuse box. The UBEC is located in a high heat area near the engine, and the low beam circuit wire routing within the UBEC makes it susceptible to cyclical stress caused by thermal expansion.The investigation covers model years 2005-2007 Corvettes however ODI also has received four VOQs alleging the same condition in model year 2008 Corvettes. ODI is upgrading the investigation to an Engineering Analysis to further examine the consequences, frequency and scope of this problem. The ODI reports cited above can be reviewed at http://www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers.For MY 2005-2007: 10400308, 10415603, 10415867, 10416531, 10421639, 10424391, 10424543, 10445971, 10451733, 10454919, 10460674, 10460750, 10463546, 10466342, 10466857, 10468128, 10469057, 10470616, 10471595, 10474350, 10474368, 10475257, 10486597, 10491670, 10496592, 10496788, 10498100, 10502059, 10505606, 10508507, 10510052, 10511467, 10511517, 10511576, 10511696, 10511699, 10511789, 10511837, 10511994, 10512072, 10512093, 10512154, 10512292, 10512341, 10513422, 10514802, 10514978, 10515162, 10515311, 10515821, 10519426, 10519879, 10520155, 10521036, 10521585, 10522260, 10523064, 10523190, 10525646, 10531602, 10531631, 10532439, 10533227, 10533251, 10533339For MY 2008: 10512856, 10514576, 10523059, 10532221

Additional source detail variants (2)

Exterior Lighting

Exterior Lighting:headlights

EA09002 · Electronic Stability Control

Opened Jan 14, 2009 · Closed May 11, 2010

Status: closed (inferred from source dates) · Electronic Stability Control

On April 26, 2010, at NHTSA's request following this investigation, General Motors submitted a Defect Information Report to NHTSA to correct a defect associated with the Vehicle Stability Control (VSC) system in approximately 40,000 Model Year (MY) 2005 and 2006 Chevrolet Corvette vehicles (NHTSA Recall No. 10V-172).According to the report, these vehicles may have a problem with the Steering Wheel Position Sensor (SWPS) connector created by a fretting condition in the connector (small movement of the pins back and forth creating a residue build up) which could change the electrical resistance and corrupt the information signal to the VSC computer.The VSC system uses the information from the SWPS to calculate the driver's intended vehicle direction; this information is cross referenced to sensors that tell the system which direction the vehicle is actually going and the system will, if it determines a variance indicating the vehicle is in a over-steer or under-steer condition, reduce throttle control and apply braking to make a correction in vehicle direction towards what the system believes is the driver's intended path.GM dealers will inspect the SWPS connector of recalled vehicles and, if necessary, install a terminal position assurance clip to the connector.GM has advised NHTSA that its position is that the inappropriate activations of the VSC system do not present an unreasonable risk to safety because GM believes that the activations are low in occurrence, a rare set of conditions would need to be present, the driver has the ability to maintain direction control if the alleged condition were to occur, and that there are no reports of injuries.NHTSA does not agree.Based on interviews with complainants and testing performed at the NHTSA Vehicle Research and Testing Center in East Liberty, Ohio, ODI believes that the majority of the unwarranted activations of the VSC system occur when turning, in such scenarios as travelling highway entrance or exit ramps or in street traffic conditions.Complainants report the effect produced by the malfunction of the VSC system is sudden unexpected braking and in some cases a sudden unexpected change in vehicle direction which some complainants indicate was sufficient to cause a movement into an adjoining lane of traffic or in some cases into curbing or stationary objects.During the VSC event the brake lights of the Corvette are not illuminated, depriving trailing traffic from indication that braking is occurring and some complainants indicate the braking effect can be severe and last up to 10 seconds in length.Based on available information ODI counts four crashes due to a malfunction of the VSC system; GM is counting one crash due to the problem.In these circumstances NHTSA believes the defect presents an unreasonable risk to motor vehicle safety, and so advised GM when requesting this recall.This investigation is closed based on GM's recall.

PE08056 · Electronic Stability Control Malfunction

Opened Sep 17, 2008 · Closed Jan 14, 2009

Status: closed (inferred from source dates) · Electronic Stability Control

ON SEPTEMBER 17, 2008, ODI OPENED PRELIMINARY EVALUATION PE08-056 TO INVESTIGATE ALLEGATIONS OF INAPPROPRIATE ACTIVATION OF THE ELECTRONIC STABILITY CONTROL (ESC) SYSTEM IN MODEL YEAR (MY) 2005 AND 2006 CHEVROLET CORVETTE VEHICLES.SOME REPORTS RECEIVED BY ODI AND SOME REPORTS TO GENERAL MOTORS (GM) CONTAINED IN GM'S RESPONSE TO PE08-056 ALLEGE THAT THE ESC SYSTEM MALFUNCTIONED CAUSING A SUDDEN AND INAPPROPRIATE BRAKING ACTION WITHOUT ILLUMINATION OF THE BRAKE LIGHTS AND CAUSING THE VEHICLE TO SWERVE LEFT OR RIGHT UNEXPECTEDLY. GM ISSUED A TECHNICAL SERVICE BULLETIN IN JANUARY 2006, LATER REVISED IN OCTOBER 2007 (BULLETIN NO. 06-02-35-002B) CONCERNING ESC PROBLEMS IN MY 2005 AND 2006 CHEVROLET CORVETTE VEHICLES WITH THE TELESCOPING STEERING WHEEL OPTION.THE BULLETIN WAS INTENDED TO CORRECT A FRETTING CORROSION PROBLEM WITH THE STEERING WHEEL POSITION SENSOR CONNECTOR C202. AN ENGINEERING ANALYSIS HAS BEEN OPENED (EA09-002) TO CONTINUE TO ASSES THE SCOPE, FREQUENCY, AND SAFETY-RELATED CONSEQUENCES OF THE ALLEGED DEFECT.