Start/Stop Service Required

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01-13-2021, 08:09 PM

eugeneair23

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Start/Stop Service Required

Anyone out there having the same problem? How you get rid of this message after replacing the AUX battery on XC90? Thanks!

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01-18-2021, 01:15 PM

lwelch39

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What's the AUX Battery? Where is it?

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01-19-2021, 03:49 PM

mt6127

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cars with the start/stop system have two batteries - one to start /stop the car the other runs accessories while the engine is off. e23, you may need to have the car scanned for fault codes to make sure you didnt replace the wrong battery or check if you have an issue with the controller module. You can try a full featured OBD2 scanner to see if it'll read/clear the codes - not sure if this uses proprietary VIDA only codes or not...

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