Ford is under investigation for a Mustang Mach-E recall from last year. the automaker is currently under investigation for a recall to stop power failures.
The event is reportedly getting another look from NHTSA after several complaints that the Ford-provided software update and service bulletin did not fix an issue that could get to cause the said vehicles to suddenly lose power.
Ford Mustang Mach-E Recall
The National Highway Traffic and Safety Administration (NHTSA) is currently opening a query on the response of Ford to a recall in the previous year that got to affect almost 49,000 Mustang Mach-E vehicles, as reported by Automotive News. The June 2022 recall in question was issued due to a malfunction that involved overheating of the high-voltage contactors of the electric SUV, which, at worst, can effectively make the EV lose power on the road suddenly, thus increasing the risk of a crash.
The Reason for the Reported Occurrences
Occurrences that were reported would at most times follow high-speed battery charging or even repeated fast acceleration sessions.
Ford however issued an over-the-air (OTA) software update as a response to the recall, which was originally designed to reduce power in the event that the contactors got too hot in hopes of stopping sudden power loss as well as possible damage to the contacts. The automaker in question also held new Mach-E deliveries at dealerships until they got the reported software update. The automaker initially had additionally opened a service bulletin in a bid to replace the High Voltage Battery Junction Box in reported affected vehicles.
NHTSA’s Office of Defects Investigation
Now, the Office of Defects Investigation of the NHTSA reports getting 12 consumer complaints in regard to Ford’s solution.
“The Office of Defects Investigation (ODI) has opened this Recall Query (RQ) after receiving 12 consumer complaints alleging a high voltage battery main contactor failure in MY 2021-2022 Ford Mach-E vehicles (subject vehicles) that were included in Recall 22V-412 and remedied prior to the reported incidents. The remedy in this recall was a Secondary On-Board Diagnostic Control Module (SOBDMC) software update to monitor contactor temperature and reduce battery power to prevent damage to the contactor, and a Battery Energy Control Module (BECM) software update to monitor contactor resistance to identify an overheated contactor and reduce vehicle power to prevent further damage.”
The Number of Affected Vehicles
The complaint of one customer in question dated August 19th stated that they had to get the High Voltage Battery Junction Box replaced twice for the very same electrical system problem. Another complaint in regard to the matter in the month of February mentioned the failure reoccurred after reportedly getting the software update.
The initial and original recall in question affected 48,924 2021 and 2022 Mustang Mach-E vehicles that were built between May 27th, 2020, and May 24th, 2022, at the Cuautitlan plant of Ford in Mexico. However, for the new query, NHTSA says that an estimated 64,727 vehicles are part of its investigation.
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