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Honda engineer debunks own claim about cause of Takata air bag failures

DETROIT, June 23 (Reuters) - Honda Motor Co on Friday released a 2013 email in which one of its engineers suggested that he knew some hidden truth about "the root cause" of Takata Corp air bag failures, but the engineer later said he was mistaken.

The engineer's email was disclosed in a statement from Honda as part of its defense in a class action suit in Florida, where plaintiffs are seeking compensation for the lost value of vehicles due to defects in Takata air bag inflators.

The inflators can explode with excessive force, launching metal shrapnel at passengers in cars and trucks.

The inflators prompted the automotive industry's largest ever safety recall and have been linked to at least 16 deaths worldwide. Nine of the 11 U.S. deaths have been reported in 2001-2003 model Honda and Acura vehicles

The engineer's July 18, 2013 email, originally written in Japanese and translated by Honda, is part of an exchange with a colleague at the automaker.

"I am a witness in the dark who knows the truth about Takata's inflator recall," the engineer, whose name is blacked out in Honda's statement, wrote in his email.

"If I say something to NHTSA, it will cause a complete reversal in the auto industry which adopted Takata inflators," added the engineer, who told his colleague he had been taken off air bag-related work by Honda because of his supposed inside knowledge.

NHTSA is the acronym of the U.S. National Highway Traffic Safety Administration.

In a sworn affidavit filed with a federal court and dated June 1, 2017, the engineer acknowledged he had been mistaken, however.

When he wrote email to his colleague, he was referring to an Oct. 16, 1999 event in which a prototype Takata air bag inflator ruptured, the engineer stated.

"I believed that the root cause of the October 16, 1999 rupture related to the root cause of the Takata inflator recalls," the affidavit stated.

Based on later findings by the NHTSA, "I now understand that I was incorrect and the root cause of the field events is not related to the root cause of the October 1999 rupture."

Honda did not name the engineer but said in a statement that he was still employed by the company and had refused to testify in the Florida case. (Reporting by Joe White; Editing by Tom Brown)