Chevrolet issues second recall to prevent Bolt EV battery fires

Enlarge / For now, it is really time to unplug when you get to 90 percent point out of cost.

Chevrolet

In November 2020, Basic Motors issued a recall of the Chevrolet Bolt EV due to a opportunity fire chance. Sad to say for Bolt EV proprietors, that fix—a application patch—did not perform, and now their cars and trucks are subject matter to a second recall. Normal Motors will change battery modules in the affected cars, which span design decades 2017-2019.

The problem commenced building headlines in October 2020, when the National Freeway Website traffic Security Administration started an investigation into the electric powered hatchback next a amount of reports of vehicle fires. GM experimented with to correct the problem with application, at initially briefly limiting the Bolt EVs’ batteries from charging earlier 90 p.c.

A much more everlasting resolve was manufactured readily available in Could 2021. All through the class of GM’s investigation with each other with LG Chem (which will make the lithium-ion battery cells), the corporations discovered in some modules “a unusual manufacturing defect” that could lead to a small and thereby commence a battery fire. The option was to enable diagnostic software package check for this defect and warn the operator if detected.

Having said that, on July 14, the NHTSA unveiled that it understood of two extra Bolt EV fires, each of which experienced received GM’s fix. On Friday, GM reacted, issuing a second recall—which it claims is in fact for a next defect. In a assertion, the automaker reported that “specialists from GM and LG have identified the simultaneous presence of two scarce manufacturing problems in the similar battery mobile as the root induce of battery fires in specified Chevrolet Bolt EVs.”

GM will call homeowners of MY2017-2019 Bolt EVs when the substitute battery modules are all set to be put in. Until then, lifestyle with an impacted vehicle is likely to be a good deal a lot less easy than it utilised to be.

GM suggests that house owners should really the moment much more use Hilltop Reserve manner (MY2017-2018) or Target Charge Degree (MY2019) to avert the battery from charging earlier 90 p.c. In addition, GM is inquiring house owners to recharge their motor vehicles immediately after every single trip, whilst they are also questioned not to go away their Bolt EVs charging overnight, and the vehicles must be unplugged quickly soon after charging and be parked outdoors. Eventually, owners need to consider to leave at least 70 miles of selection in the battery.

Listing impression by Chevrolet

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