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Dreaded Red Electrical System Error & Poll

What Taycan model year and battery capacity have you had your car battery replaced?

  • 2025

    Votes: 0 0.0%

  • Total voters
    160

Caraholic

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Make sure to do a cell balance before you take it into the dealer
 

JWreck

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Make sure to do a cell balance before you take it into the dealer
My understanding is that this is done passively so long as the battery is above 30% SoC, no?
 

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No you will have to drain the battery to under 20% let it sit overnight then recharge all the way back up to a 100% with a level 2 charger
 


Scandinavian

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My understanding is that this is done passively so long as the battery is above 30% SoC, no?
There are a lot of discussions about this here and also on the internet in other car forums.

I believe that the cell balancing is done as per statement while charging, that is the cells in each module at least. That is similar to all Lithium packs.

The method that has been recommended to @Vim Schrotnock by a Porsche engineer, seems likely more to recalibrate the BMS so that it recognises the capacity of the battery. Of course the cell balancing will also be performed during the process as normal.
 

Sly_North

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Hi all, I'm potentially on the market for a used Taycan (replacing a Macan; I don't need so much rear+trunk space anymore).
The reputations on the Taycan batteries and reliability are a bit frightening, but on the other hand the poll at the top of this thread is a bit reassuring.
Thus I've a few questions:
  • Once the battery is fixed, do we think the issue won't happen again?
  • Will the recall announced on May 9th fixing most of the concerned Taycan?
    Do they get batteries that hopefully will be more robust?
Thanks!
 

JWreck

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There are a lot of discussions about this here and also on the internet in other car forums.

I believe that the cell balancing is done as per statement while charging, that is the cells in each module at least. That is similar to all Lithium packs.

The method that has been recommended to @Vim Schrotnock by a Porsche engineer, seems likely more to recalibrate the BMS so that it recognises the capacity of the battery. Of course the cell balancing will also be performed during the process as normal.
I went through this process yesterday and today for giggles. No change.
 


gtm

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Hi all, I'm potentially on the market for a used Taycan (replacing a Macan; I don't need so much rear+trunk space anymore).
The reputations on the Taycan batteries and reliability are a bit frightening, but on the other hand the poll at the top of this thread is a bit reassuring.
Thus I've a few questions:
  • Once the battery is fixed, do we think the issue won't happen again?
  • Will the recall announced on May 9th fixing most of the concerned Taycan?
    Do they get batteries that hopefully will be more robust?
Thanks!
I don't want to minimize the problems Porsche has had with some of the batteries. Not what you expect from Porsche. What is most disturbing is how long a repair generally takes. That said most owners (myself included) have had zero issues with the battery. Odds are in your favor that you will never have a problem, just know that if you do you will probably be without your car for an extended period of time. As far as the battery repairs go I don't think anyone can know yet if they are permanent.
 

JWreck

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I had zero problems for a year and a half. And then I had the big one. Still love the car but the uncertainty has really shot my confidence in the car - anxiously awaiting the next red ring of death or a fire (at least until they “confirm” my car isn’t on the list). ?
 

gtm

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(at least until they “confirm” my car isn’t on the list). ?
Isn't is so comforting that they don't know what cars/batteries are going to need to be checked after a considerable amount of time. Really instills confidence in Porsche, LG and their battery tech.
 

Nyc1212

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Update on my '23 GTS. Currently been out of the car for almost 90 days. Porsche has agreed to lemon the car. Now stuck waiting through the buyback process which is designed terribly for customer retention. My patience is worn thin, i am still making payments on a car I have not had in 90 days, and i will be waiting 30 - 45 business days to see this through. Fortunately i do have a loaner, so things could be worse. Although i loved my GTS, and it was problem free until this, i can't drive a car that can't be fixed by the manufacturer in a reasonable amount of time.
 

DrLight

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I wish I could lemon my car, but I don’t qualify in my state as I’ve had it for more than one year. I still haven’t gotten any time estimate after being without the vehicle for 3 weeks.
 

Sly_North

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... What is most disturbing is how long a repair generally takes. That said most owners (myself included) have had zero issues with the battery. Odds are in your favor that you will never have a problem, just know that if you do you will probably be without your car for an extended period of time...
Thanks for the info.
In my case, not having the car for ~ 1 month is OK-ish - as long as the 8y warranty takes everything in charge. And it makes a very recent, very low mileage car half-priced.
Thus I purchased the ST-PB+ in my avatar on Monday.
 

Jaymo

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Shout out to Dave E and the techs at Braman Porsche here in West Palm Beach FL.
Replaced 3 cells, performed all the open service items, and had car back in 2 weeks in good working order.
Have a new 25 coming in 4 weeks so happy to drive it till the end, still love it.
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