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Tuesday, 21 September 2021 18:49

Chevrolet Bolt EV Battery Production Resumes

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General Motors on Sept. 20 outlined a comprehensive action plan to ensure customers can safely and confidently drive, charge and park the Chevy Bolt EV and EUV.

The action plan includes both hardware and software remedies, some of which are in place with immediate effect.

 

“We’re grateful for the patience of owners and dealers as we work to advance solutions to this recall,” said Doug Parks, GM executive vice president, global product development, purchasing and supply chain. “Resuming battery module production is a first step and we’ll continue to work aggressively with LG to obtain additional battery supply. In addition, we’re optimistic a new advanced diagnostic software will provide more convenience for our customers.” 

 

New battery production

 

LG battery plants in Holland and Hazel Park, MI, have resumed production. In addition, LG is adding capacity to provide more cells to GM. As a result, replacement battery modules will begin shipping to dealers as soon as mid-October.

 

The root cause of the rare circumstances that could cause a battery fire is two manufacturing defects known as a torn anode and a folded separator, both of which need to be present in the same battery cell.

 

LG has implemented new manufacturing processes and has worked with GM to review and enhance its quality assurance programs to provide confidence in its batteries moving forward. LG will institute these new processes in other facilities that will provide cells to GM in the future.

 

Prioritized battery replacement

 

GM will continue to prioritize Chevy Bolt EV and EUV customers whose batteries were manufactured during specific build timeframes where GM believes battery defects appear to be clustered. The company has established a notification process that will inform affected customers when their replacement modules will be available.  

 

The new batteries will include an extended battery 8-year/100,000-mile limited warranty* (or 8-year/160,000 km limited warranty in Canada).

 

New advanced diagnostic software

 

Within approximately 60 days, GM will begin launching a new advanced diagnostic software package that will increase the available battery charging parameters over existing guidance.

 

The diagnostic software will be designed to detect...


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