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Chrysler, which is controlled by Fiat
Chrysler is not aware of any accidents or injuries related to the issue, NHTSA said.
The recall is expected to begin by the end of April and the rear lower control arms on all affected vehicles will be replaced, according to NHTSA.
NHTSA said it opened a preliminary evaluation of the issue in April 2011 based on nine complaints about fractures due to excessive corrosion. The probe was upgraded to an engineering analysis in September 2011.
The cars affected in the recall were originally sold or are currently registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin and Washington, D.C., according to the documents.