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High Voltage System warning?

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Old Dec 11, 2021 | 05:04 PM
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bluelines1974
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Default High Voltage System warning?

I’m currently driving a Taycan 4S CT through the Porsche Drive subscription, as a stopgap while I wait for my new car. I’m getting the attached warning whenever I shift to Park. The Porsche Drive support people say this is normal, but I’ve never seen it on our 2020 Taycan Turbo. It seems really unlikely a red warning message would come up as normal.




Anyone have any information?

Last edited by bluelines1974; Dec 11, 2021 at 05:06 PM.
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Old Dec 12, 2021 | 07:58 AM
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Are you sure your car has no issue with 12V battery? They have pyrofuse inside small 12V battery and they looks like defect.
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Old Dec 12, 2021 | 12:37 PM
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2020 cars had issues with the 12v battery, maybe it is the cause. there are many software glitches found and I would wait to see if the warning persists after the car is shut down for a bit. I would not get overly concerned unless the warning persists. if it does come back get to the dealership ASAP or you could be stranded.
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Old Dec 13, 2021 | 11:11 AM
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If it only happens when you shift into park, is it maybe something being enabled for fast charging?
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Old Dec 17, 2021 | 03:55 PM
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Thanks to everyone who replied. I've finally solved the problem. The error is being generated because there is a Porsche Drive tracking device plugged in to the OBD port. All Porsche Drive subscription vehicles apparently have this for tracking of driving activity. The error message acts as a warning to a mechanic who has something plugged in there and therefore is likely to be working on the car to tell them that the high voltage system is enabled. In short, nothing to worry about, and it explains why our Taycan Turbo does not throw this error.
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Old Dec 17, 2021 | 08:07 PM
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my 2021 Cayenne eHybrid displays a similiar warning when I have an dongle connected to the diagnostic port…so this makes sense.
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