2005-2007 Chevrolet Corvette Investigated for Headlight Failure

August 27, 2013
Chevrolet Corvette Convertible Front Three Quarters
The National Highway Traffic Safety Administration (NHTSA) is conducting an investigation into approximately 103,107 2005-2007 Chevrolet Corvette models based on 95 reports that both low-beam headlights stopped working simultaneously. A preliminary investigation was opened in May after 30 reports, and the investigation was upgraded to a full engineering analysis as the number of complaints rose to 95.
General Motors says this defect is caused by a fractured circuit wire in the underhood bussed electric center (UBEC) which is similar to a fuse box. Apparently, the UBEC is in a high heat area of the engine compartment which makes it more susceptible to stress. Owners have complained that the loss of the low-beam light happens after five to 30 minutes of driving. The problem is intermittent, with low-beam functionality returning after the car has been parked in some cases. This problem does not affect the high-beam headlights.
GM is continuing to cooperate with the investigation, and if NHTSA finds that this defect poses a risk to safety after the engineering analysis then they will ask GM to recall the vehicles. For now, the NHTSA investigation is only for 2005-2007 Corvette vehicles, but NHTSA has also received four complaints of the same problem in 2008 Corvette models.
Sources: NHTSA, The Detroit News

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