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Looks like they have a temporary fix and the stop sale is lifted.
From NHTSA:
Summary
General Motors has decided that a defect which relates to motor vehicle safety exists in select 2017-2019 model year Chevrolet Bolt EV vehicles. A select number of these vehicles were built with high voltage batteries produced at LG Chem’s Ochang, Korea facility that may pose a risk of fire when charged to full, or very close to full, capacity. While our investigation into this condition continues, GM has developed software that will limit vehicle charging to 90% of full capacity to mitigate this risk.
Safety Risk
If the batteries in select vehicles within this population are charged to full capacity, or very close to full capacity, the batteries may pose a risk of fire.
Remedy
As an interim remedy, dealers will reprogram the hybrid propulsion control module 2 (HPCM2) to limit full charge to 90%.
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