Latest EL-50332 EV Battery Service and Depowering Tool Software Released

Software update version 10 for the EL-50332 EV/HEV Battery Service and Depowering Tool was recently released and is available through the Special Tools and Software Updates link in GM GlobalConnect.

The software update (EL-50332-SWV10) increases the allowable tool voltage from 4.15 volts per cell to 4.2 volts per cell in the Bolt EV battery pack to enable module balancing on a nearly fully charged battery. The current tool was not able to initiate module balancing on a battery pack that was almost fully charged.

The software update also contains all previously introduced updates for the EV Battery Depowering Tool.


Software Download

The EL-50332-SWV10 software update is available at no charge for GM dealerships through the Special Tools and Software Updates link in the App Center within GM GlobalConnect (U.S. only). Select the link for EL-50332-SWV10 Battery Depowering Tool Software Update March 2021 and follow the instructions. (Fig. 10)

In Canada, the software is available for download through the Service Application selection of GM Special Tools & Equipment – Software Updates in GM GlobalConnect.


Fig. 10


To update the EL-50332 tool when software updates are available, use the Update function found under the Utility menu on the tool. Complete tool update instructions are available on the GM Tools and Equipment website under the Support Documents link for the software download.

For questions regarding the software update, contact Bosch Automotive Service Solutions Technical Support at 1-800-GM-TOOLS (1-800-468-6657).


– Thanks to Dan Clarkson

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