The Nationwide Freeway Site visitors Security Administration (NHTSA) has opened an investigation into Ford’s dealing with of a June 2022 recall that affected practically 49,000 Mustang Mach-E EVs.

Final 12 months, the blue oval firm issued a security recall for 48,924 electrical crossovers offered in america as a result of the contactors on the high-voltage battery may overheat after DC quick charging and “repeated huge open pedal occasions,” which can result in a lack of energy and finally enhance the chance of an accident.

After the recall, which concerned software program updates to observe contactor temperature and cut back battery energy, in addition to to observe contactor resistance, Ford issued a technical service bulletin to switch the high-voltage battery junction field on the topic autos.

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Nevertheless, now, greater than a 12 months after initially asserting the recall, the NHTSA’s Workplace of Defects Investigation (ODI) has opened a recall question into 64,727 Mach-E EVs after it obtained 12 client complaints from homeowners of autos that had been included within the recall and reportedly had their points mounted.

In line with Reuters, one proprietor informed the NHTSA that two days after receiving the software program replace, the car suffered a second catastrophic failure of its high-voltage battery junction field. The affected Mach-E was driving from the San Francisco Bay Space to Los Angeles and confirmed a “Service Car Quickly” warning. Energy was additionally restricted to 30 p.c, however the automotive didn’t cease on the highway, permitting the motive force and passengers to get to a dealership.

One other Mach-E proprietor in Florida mentioned that shortly after charging at a DC quick charger, the automotive’s inside display screen displayed a “safely cease now” message, and the EV got here to an entire cease inside just a few seconds in the midst of a freeway on-ramp. The automotive restarted after about three hours and the motive force was capable of drive it for about three miles earlier than it stopped once more.

Ford spokesperson Maria Buczkowski informed Automotive Information that the automaker is “working with NHTSA to assist their investigation.”

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