Technology

A software problem is bricking some early Mustang Mach-Es

Charging is a typical concern with electrical autos. However some homeowners of the brand-new Mustang Mach-E have run right into a peculiar problem: their electrical SUVs received’t begin even when the principle battery pack is full.

That’s as a result of, The Verge has realized, there’s a problem with some early Mustang Mach-E SUVs that entails how the a lot smaller 12-volt battery will get charged. It’s the most recent in a rising line of small points that have come to light throughout the rollout of Ford’s first long-range electrical automobile.

As is the case in different electrical vehicles, the Mustang Mach-E retains its 12-volt lead-acid battery topped up by basically sipping energy from the a lot bigger lithium-ion battery pack. Based mostly on homeowners’ accounts across multiple discussion board threads, together with one who spoke to The Verge, the problem is this stops taking place each time the Mustang Mach-E is plugged in to cost up the bigger battery pack.

That is particularly a difficulty for homeowners in areas with chilly climate, as Ford encourages them to leave their Mustang Mach-Es plugged in so the SUVs can use energy from the grid to heat up earlier than driving.

Ford says a “small quantity” of autos are affected

The 12-volt battery powers most of the Mustang Mach-E’s methods (for the reason that bigger battery pack is high-voltage), and so when it dies, the electrical SUV can’t be began. When this occurs, homeowners have reported the FordPass app says the car is in “deep sleep” mode. Some discussion board members have began referring to it because the “electrical brick” problem.

Ford not too long ago filed a technical service bulletin with the Nationwide Freeway Visitors Security Administration that confirms the problem has to do with the software on the powertrain management module. Ford wrote that this solely impacts Mustang Mach-E SUVs constructed on or earlier than February third, which means it’s doable that dozens are affected. (Ford would solely say {that a} “small quantity” of the practically 7,000 Mustang Mach-Es delivered in the first three months of the year have the problem.)

Proper now, these homeowners can not get the repair by way of an over-the-air replace. The corporate mentioned in a press release that they’ll must convey their Mustang Mach-Es to a seller:

We’re conscious {that a} small variety of Mustang Mach-E homeowners have had their 12V battery attain a low voltage situation. We proactively labored with early homeowners experiencing this difficulty to determine the foundation trigger and a repair. Within the uncommon situations the place this nonetheless happens, clients can now contact their native EV-certified Ford seller to have the matter resolved.

Ford did inform The Verge that the problem will likely be fixable by way of wi-fi replace “later this 12 months” and that Mustang Mach-Es at the moment coming off the road shouldn’t be affected.

It is doable to leap the 12-volt battery, simply as you’ll jump-start an inner combustion automobile. Nevertheless it’s not practically as easy, particularly as a result of the battery is situated behind the Mustang Mach-E’s entrance trunk, and the hood’s digital latch is powered by the low-voltage battery.

It’s doable to jump-start the Mustang Mach-E, however it’s not straightforward

To first open the entrance trunk then, homeowners have to open a panel in the front bumper that comprises two leads, which can be utilized to leap the entrance trunk’s digital hood latch. Then they’ve to drag again a panel beneath the hood to seek out the battery — although even at this level, some homeowners have had bother accessing the leads on the 12-volt battery and have had to cut through the vinyl to jump-start the battery.

Ford presents free roadside help with the Mustang Mach-E, too, so homeowners have this as an choice if they should get their electrical SUVs towed to a seller. The roadside help is additionally supposed to incorporate 12-volt battery soar begins, according to the owner manual.

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