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May 15, 2018 Service bulletin

This is a Technical Journal: Battery Energy Control Module (BECM), Cell balancing DTCs If Check engine...

Volvo technical service bulletin TJ33686 1 0-2018 for 2017-2018 Volvo XC90, 2018 Volvo XC60 and 2018 Volvo S90 and others.

Bulletin number
TJ33686 1 0-2018
Component
Electrical system
Summary
This is a Technical Journal: Battery Energy Control Module (BECM), Cell balancing DTCs If Check engine light is on and balancing Diagnostic Trouble Code (DTC) is set in the BECM, follow advice under "Service". Service: Revised BECM SW has been released. Perform an upgrade of the software according to TJ 31543.

Owners of these vehicles have filed 52 complaints in the electrical category.

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