Chevy says battery scans and software update will allow 2017-2019 Bolt owners to once again charge their batteries to full capacity. The EVs were recalled last November following reports of the batteries catching on fire while charging near 100%. As a temporary measure, owners were asked to limit their battery's charging capacity to 90% until a more permanent fix could be found.
That permanent fix is a diagnostic scan by dealers to look for potential battery anamolies and a software update that can
detect potential issues related to changes in battery module performance before they become potential problems.
About the Bolt EV Battery Recall ∞
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- If a battery anamoly is detected, GM will replace the battery module assembly. All Bolts will be eligible for the software upgrade whether they were recalled or not.
- GM says the rollout of the recall will be phased. The fix is available to 2019 model owners now and 2017-2018 owners by the end of May 2021.
- The software will be installed by default in 2022 Bolt EVs.
GM believes new software updates will allow Bolt owners to fully charge their batteries once again. Owners were asked to temporarily limit their battery's charging capacity to stop defective cells from sparking a flame and make the EV extra