A Mustang Mach-E bug leaves cars stuck in ‘deep sleep’ with an empty 12v battery | Engadget

Add a software program bug to the list of points affecting Ford’s not too long ago launched Mustang Mach-E electric crossover. Per The Verge, an issue with the automotive’s secondary 12-volt battery is leaving some autos unable to begin, even when their main lithium-ion battery is totally charged. In regular circumstances, the battery pack will pull power from the automotive’s main energy cell. With Mach-E autos the place it is a drawback, that does not occur when the automotive is plugged in and charging. When the 12-volt battery ultimately dies, the FordGo app will report the Mach-E is in a “deep sleep” mode.  

Ford acknowledged the problem in a technical service bulletin filed with the National Highway Traffic Safety Administration, the place it notes the issue is a software-related problem with the automotive’s powertrain management module. The firm claims the bug solely impacts a “small number” of Mach-E autos. Specifically, these Ford manufactured on or earlier than February third. And whereas the automaker is growing an OTA to handle the problem, the first method to resolve the issue is to deliver an affected Mach-E to a Ford dealership. It’s doable to jumpstart the battery your self, however the course of for doing so is not at all straightforward.

“We are aware that a small number of Mustang Mach-E owners have had their 12-volt battery reach a low voltage condition. We proactively worked with early owners experiencing this issue to identify the root cause and a fix,” a Ford spokesperson informed Engadget. “In the rare instances where this still occurs, customers can now contact their local EV-certified Ford dealer to have the matter resolved.”

When it involves not too long ago launched EVs, software program points usually are not unusual, particularly amongst automakers comparatively new to creating them. Late final 12 months, Polestar needed to recall the Polestar 2 to handle a software program glitch that brought on some autos to lose energy all of a sudden whereas driving. Still, regardless of how small this newest bug is, it is a blip for one of many high-profile EV launches from a US automaker. 

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