Volvo xc90 Auxiliary battery failure and repair.
Evolution Motors Evolution Motors
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 Published On Apr 11, 2024

In this episode we dive into a big issue with this platform. A large number of this generation of Volvos have a critical issue with the battery for the Start/stop system. I will walk you through the sure fire diagnostic, repair and how to clear the fault codes. Also the reset procedure of the BSCM ( Battery Switch Control Module) located under the hood nest to the auxiliary battery.

For access to more info here is a link to identifix. I'm not sponsored by them but they have a good free trial. It gives you access to there entire system. It also has recall information and technical service bulletins.
www.identifix.com

For parts, the only replacement parts out right now are stock Volvo parts.

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