I have a similar issue on my 2022 CT 4s that I don’t care too much about, but it can be concerning.
I have two AC chargers at home: the 40-amp charger provided by Porsche in the garage and an outside 48-amp Autel charger. I mostly charge in the garage at 40 amps and get an 8.9-9.0 kW charging...
Honestly I will try the battery disconnection before dropping the car at the dealer. It will save you time. Actually I have the same issue on the ford F150 lightning i recall.
I doubt it,, as mine is fine. I'm not sure how it worked but you can always try to reboot the PCM. Two fingers on the top right corner while the vehicle is stationary. No guarantee but it is free to try,
Also be aware that if you do a bit of highway at 80-90 ml/hour your advertise range is going g to drop. It will come back up after some regular day to day without highway.
My first attempts were not that great, but today it started at 122KW up to 133KW. Not bad at all as an alternate solution. Just very expensive at 73 cents vs 12 cents at home per KW.
This is the best I can do with this single poll query system
Then in your case, this is Yellow, Red, heater, and others. I know this is not the best.
I want to know if the yellow message is going to get worse.
After this message, did you get your battery replaced/repaired or not?
Electrical system error message - Service Necessary or Park your vehicle in a safe place.
I'm trying to figure out what Porsche usually does after those two messages.
The only complaint I have is when you back up from the garage and push the Homelink button, the rear view video disappears until you close the HomeLink screen. Very annoying and a bit dangerous.