Reason for Taycan heater failures?

[Tooney]

and, later:

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[McgR]

I believe I recall someone in a recent review video saying that all the cabin heating in the new Taycan will be provided by a heat pump. Presumably this doesn’t rely on a hot wire.

Not my field of expertise but I thought I air-air heat pump is less effective at lower temperatures. I think the one in the Taycan uses the residual heat in the battery so that may be different. But you need something at a cold start when it is freezing outside. I think the heat pump can only function next to another heater. But again not an expert on this.

 

[tigerbalm]

I think Porsche just believed Webasto who are meant to be "experts" in these heating systems. Who would have thought that a heater may get hot - scandalous!

https://newsroom.porsche.com/en/201...ive-south-africa-dubai-scandinavia-17336.html

But somehow never showed up in 6 million kilometres of testing!

 

[whitex]

https://newsroom.porsche.com/en/201...ive-south-africa-dubai-scandinavia-17336.html

But somehow never showed up in 6 million kilometres of testing!

Those were done with engineering samples - hand assembled (vs. manufactured), probably hand picked yield parts, also often updated firmware so no issue with FLASH memory content decay over time.

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