Yellow Electrical System Error - Service Required

[SergeyIndy]

Does it show SoH for MY25 correctly?
mine works ok for MY21, but it displays 68% for MY25

It should support MY25. 68% does not make sense.

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[B61]

It says 68%
Also, same number apps Sidecar shows….and i found same number from other MY25 owners on the forum …

 

[GHamilton]

Mine shows 68% as well

 

[DerekS]

Same happened to me…. Every time after fast chsrging (260+kw), i got a yellow error.
Sent a note to dealer, they scheduled me for an inspection about a month in the future… after my 4th yellow…a red error occured.
After about one hour, i unlocked the car, no more red error….so I drove another 100km, try to charge again…it worked over 200kw, after charging, yellow error again.
Called dealer again, they scheduled me for next day; they replaced heater (2nd or 3rd time), but yellow error still exists. I’ve been told thst some sensors needs to be replaced and they scheduled me for about 4 weeks
‘Since i didn’t want to be without car formore than a month or two, i sold it, bought new one.

I had MY 2025 for a week and i found out about 20% lower consumption (same trips, same driver…) and that was main reason for a such decision.

Thanks for this post, I believe I'm in the same boat.
I was able to reproduce the yellow error again:

- 15% SoC, preconditioned battery to 100F
- Start the fast charge at EA. Started at 260kW and got as high as 269kW!
- When the temps got > 115F or so, the yellow charging error showed up.

I halted charging at 128F. Partly out of safety concern and partly because I want to take the car back in with low SoC so they can reproduce it in house. I'll be using a different service center this time that has fast DC chargers on site.

I expect I will be out of the car for quite a while, and I'm hoping when I get another road elephant (Macan) it's at least the EV variant.

 

[B61]

Forgot to write that between yellow errors, i was charging AC at home without any errors…
According to my technician, HV battery needs ro be dissmounted completely, so then some sensor(s) could be replaced
It’s a one-two days job, but all their resources were booked for more than 30 days.
Also, if that sensor replacement wouldn’t fix the problem, they would send car to Budapest and that would take another 30-45 days

 

[DerekS]

Forgot to write that between yellow errors, i was charging AC at home without any errors…
According to my technician, HV battery needs ro be dissmounted completely, so then some sensor(s) could be replaced
It’s a one-two days job, but all their resources were booked for more than 30 days.
Also, if that sensor replacement wouldn’t fix the problem, they would send car to Budapest and that would take another 30-45 days

Same. No issues slow charging. It has to be temp related. Your problem sounds exactly like mine and I’ll try and let the service people know.

If you have any details (like which sensor part numbers failed etc) that you would like to share, send me a DM.

 

[chun]

Thanks for this post, I believe I'm in the same boat.
I was able to reproduce the yellow error again:

- 15% SoC, preconditioned battery to 100F
- Start the fast charge at EA. Started at 260kW and got as high as 269kW!
- When the temps got > 115F or so, the yellow charging error showed up.

I halted charging at 128F. Partly out of safety concern and partly because I want to take the car back in with low SoC so they can reproduce it in house. I'll be using a different service center this time that has fast DC chargers on site.

I expect I will be out of the car for quite a while, and I'm hoping when I get another road elephant (Macan) it's at least the EV variant.

Sounds like the battery is overheating, and the BMS is panicking.
Could it be that your fans are broken / stuck, the ones in the front wheel arches?

 

[DerekS]

Sounds like the battery is overheating, and the BMS is panicking.
Could it be that your fans are broken / stuck, the ones in the front wheel arches?

I don’t think so, I heard them blowing. But ya know, maybe.

 

[B61]

I don’t think so, I heard them blowing. But ya know, maybe.

I heard fans as well.

regarding replaced numbers: i don’t know, but i do know that some particular sensors are located in a such area that HV battery needs to be dissmounted to get access to them

 

[DerekS]

I heard fans as well.

regarding replaced numbers: i don’t know, but i do know that some particular sensors are located in a such area that HV battery needs to be dissmounted to get access to them

Welp. Goodbye to my car for a few months!

 

[B61]

Not necessary. As i said before, i’ve been told that’s a task for one day, so it depends how your service center is occupied. Of course, they need to have sensors on stock…

 

[DerekS]

Not necessary. As i said before, i’ve been told that’s a task for one day, so it depends how your service center is occupied. Of course, they need to have sensors on stock…

And someone qualified to drop the battery.

 

[CrazyINP]

@DerekS good luck today. Saw you at Porsche of SC this morning dropping the car off. Was picking up mine after the heater recall but your were busy schooling the adviser so didn’t want to interrupt

 

[DerekS]

@DerekS good luck today. Saw you at Porsche of SC this morning dropping the car off. Was picking up mine after the heater recall but your were busy schooling the adviser so didn’t want to interrupt

Ha, cool! They gave me a Macan EV which...I don't hate.

 

[CrazyINP]

Ha, cool! They gave me a Macan EV which...I don't hate.

yeah they offered it to me last time but I didn’t need a rental as I was traveling. I have them set EV as preference for loaner. The ICE Macan didn’t cut it for me

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