achimkrause9
Mini Clubman Battery Malfunction
Summary of the thread
A 2015 Mini Clubman diesel with approximately 59,774 km is experiencing a battery malfunction error message on the speedometer, indicating a weak battery and erratic car electronics. The issue is suspected to be related to the auxiliary battery not charging properly. A similar problem was resolved by confirming the auxiliary battery failure at a workshop, leading to a smooth-running car without errors after replacement.
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4 comment(s)
achimkrause9 (community.author)
Thanks for the quick response! Yes, the engine start was indeed very rough. Besides the error message in the speedometer and the stored error, I noticed the battery seemed weak. I haven't checked the voltage or fuses yet. Could you elaborate on what exactly the issue was with your car, and how you resolved it?
hannahhartmann78
Yes, it sounds very familiar! The symptoms you described match my experience. The car electronics going nuts, the error message, and the weak start all point towards the auxiliary battery failing to charge. I ended up taking mine to a workshop, and they confirmed it. I'd suggest doing the same rather than messing with the electrics yourself.
achimkrause9 (community.author)
I took the Mini Clubman to a workshop. You were spot on! It was indeed the auxiliary battery. The total cost was around 290€, and now the car is running smoothly without any errors. Thanks a lot for your help!
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MINI
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CLUBMAN
hannahhartmann78
Oh my goodness, that sounds incredibly frustrating! I had a similar experience with my Clubman. The power management system went haywire! Was the engine start particularly rough? In my case, the car electronics were acting possessed. Did you check the voltage of the battery or any related fuses?