louv
Well-Known Member
- First Name
- Don
- Joined
- Sep 6, 2019
- Threads
- 27
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- 1,154
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- 3,728
- Location
- Maine
- Vehicles
- Taycan Turbo (sold), Mini Cooper SE, Mercedes Sprinter RV, BMW K1600GT
From your description, I’d wager you have a different 12v problem than I have.From what I have seen, this issue is a little bit like immaculate conception - some people deny it exists, while others are making a big deal about it without it happening to them. At the end of the day, no one can still accurately explain why it occurs.
All I know is that In my case, I had just returned from a 1,200 road trip. I did not drive the car the day after my return, nor did I log into the app. 36 hours after my return, I got in the car, and the warning light was there.
So, to answer your question, my 12v battery failure occurred without me using the app to change a profile during a charging session. Hopefully, there are people smarter than I at Porsche working on trying to identify and fix whatever the issue is, because I was lucky that this happened while I was home, and the car still allowed me to drive it to the Porsche dealership. It would suck if the car died and you were in the middle of a nowhere on a road trip. That happened to me last summer in my last Model S, and I had to wait for 5 hours for a tow truck. I have no desire to re-live that experience.
I am hoping that I get my car back this week, since the replacement battery is now sitting in Memphis, and awaiting custom clearance. This is where I feel Porsche has to do better. The battery was shipped from Stuttgart, but there should be an inventory of replacement batteries in the US to assist affected vehicles especially since Porsche knows this is an issue. Hopefully, Porsche is working on this, and I am one of the last to experience this situation.
Finally, I want to add that I certainly not complaining, nor whining about what happened to my 4s - early adaptor things like this are bound to happen. The irony is that I went through 4 Tesla's and an Audi e-tron over the past 4 years, and never had this issue, so I guess the law of averages finally caught up to me. I am not complaining about how Porsche customer service has been supporting me while my car is being fixed - they have been very supportive. I am simply documenting and sharing what is going with my particular vehicle, so I might help out a future fellow owner if something like this happens to them.
Perhaps the existence of the “12v goes dead while car is attached to AC charge station” may have depleted the US stash of replacement 12v batteries, thereby causing a delay for you. (And us). But I’m just guessing here.
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