Red Circle of DEATH

[whitex]

Technician needed to know what home charger I have, because they "found faults for charging socket over-charge causing the system to shut down."

If that was the exact warning, they made this up. Your home “charger” is not actually a charger, it’s called an EVSE, and it doesn’t “push” energy into the car, it simply connects the car to the grid so the charger built into the car can pull as much energy as it wants.

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[Sar]

If that was the exact warning, they made this up. Your home “charger” is not actually a charger, it’s called an EVSE, and it doesn’t “push” energy into the car, it simply connects the car to the grid so the charger built into the car can pull as much energy as it wants.

I greatly appreciate you adding this to help me be more informed. Yes, that was an exact quote from their text, but thankfully they never revisited this topic after I showed them the pictures. If they do for some reason bring this up again, I'll be better informed now.

 

[whitex]

I greatly appreciate you adding this to help me be more informed. Yes, that was an exact quote from their text, but thankfully they never revisited this topic after I showed them the pictures. If they do for some reason bring this up again, I'll be better informed now.

In case you're curious, an EVSE is simply a glorified extension cord. What it adds is a bunch of safety protections to keep people from electrocuting themselves. Some better ones also protect the car from overvoltage surges, but that is not mandatory per spec, only the human safety features are. The only "control" an EVSE has over the car is the maximum current that the car is allowed draw at any point in time - the car can draw less of course, as this is a maximum. EVSE most often don't even enforce this value, just inform the car of it. If you only have one EVSE, and no local balancing with solar or other devices, your EVSE will always tell any car connected to it a fixed current value, typically 80% of the circuit breaker value (typical values are 32A, 40A, 48A, 80A). If you have multiple EVSEs which load balance, they communicate with each other and divide up the available current between all connected cars. If you have solar, you can configure your system such that the EVSE will tell the car to only draw as much current as is produced by solar in real time.

In no situation ever can an EVSE force the car to charge, or force it to take in any energy at all, therefore there is no way an EVSE could possibly overcharge the car.

PS> I've been using Tesla Wall Connectors and occasionally a Tesla Mobile Connector for my Taycan almost exclusively, except then traveling (then I use DC charging, and some destination charging, which often is a Tesla Wall Connector anyways). I never used the tank of a mobile EVSE that came with the car (PMC+).

 

[Sar]

In case you're curious, an EVSE is simply a glorified extension cord. What it adds is a bunch of safety protections to keep people from electrocuting themselves. Some better ones also protect the car from overvoltage surges, but that is not mandatory per spec, only the human safety features are. The only "control" an EVSE has over the car is the maximum current that the car is allowed draw at any point in time - the car can draw less of course, as this is a maximum. EVSE most often don't even enforce this value, just inform the car of it. If you only have one EVSE, and no local balancing with solar or other devices, your EVSE will always tell any car connected to it a fixed current value, typically 80% of the circuit breaker value (typical values are 32A, 40A, 48A, 80A). If you have multiple EVSEs which load balance, they communicate with each other and divide up the available current between all connected cars. If you have solar, you can configure your system such that the EVSE will tell the car to only draw as much current as is produced by solar in real time.

In no situation ever can an EVSE force the car to charge, or force it to take in any energy at all, therefore there is no way an EVSE could possibly overcharge the car.

PS> I've been using Tesla Wall Connectors and occasionally a Tesla Mobile Connector for my Taycan almost exclusively, except then traveling (then I use DC charging, and some destination charging, which often is a Tesla Wall Connector anyways). I never used the tank of a mobile EVSE that came with the car (PMC+).

I appreciate the added context, esp because I do have two Tesla wall connectors in my garage (so thank you for covering that) since my other car was a Tesla we bought many years ago.

 

[turtletaycan]

How many modules replaced last time, how many this time? Any overlap (same module being replaced for the second time)? Do you know the module numbers?

Based on the battery software check, one module had higher voltage so seems like they only replaced one before.
As for this time, I’m not sure, I’ll post more info as I get them.

 

[JIP1080]

Following this thread as on the 11th my car Red Circled after sitting in the parking garage for ~8hrs. Had Porsche roadside assistance tow it to the dealer. The good ol' wait 2hrs trick meant it looked fine by the time the tow truck arrived. Dealer eventually got back to me that the car had detected a cell that was "too warm." Highly reassuring given the recalls. They ran a number of tests and charge cycles over the week they had it and saw no issues. I got the car back on the 19th.
Fast forward and today, after 8hrs parked in the exact same spot I got into the car at almost the exact same time of day and *ding* red circle. Locked the car and went back to deal with work shenanigans for 35 minutes. Came back out and it had cleared and I drove home fine. In that time I also had a chat with the SA I'd worked with two weeks ago. General gist was I could drop it off without getting a loaner now, or the first available loaner would be the 12th. I'm not in a spot to be without a vehicle at the moment and my other car is in pieces (restoring a vintage car).
An hour after I got home I jumped in the car to take the kids to soccer and the red circle was back. Ran inside to get my phone to take a photo. Error gone.
So every time before I get in the car until the 12th I'll be doing every good luck ritual known to humans throughout history. And getting in the car at least 30 minutes early so I have time to reset it if necessary .
So begins my battery saga it seems.

 

[JIP1080]

Welp, looks like I won't make it to the 12th. Woke up to a brick this morning and it didn't reset itself this time. 6am it was going nowhere. 830am still no go. 8pm nada. Think it's either straight to the dealer in the morning (if it'll go), or a breakdown service tow request to yank it out of the garage and take it in. Will still have to wait until Friday for the loaner 🫤. Hoping they can figure out something more this time than the "tests said it's fine" from a couple weeks back.

 

[D00notD00d]

This deserves its own subject, it’s hard to appreciate the scale.

Previous threads with Red Circle in the title:

https://www.taycanforum.com/forum/threads/reporting-to-red-circle-of-death-club.24693/

https://www.taycanforum.com/forum/t...ath-round-2-anyone-getting-compensated.21767/

https://www.taycanforum.com/forum/t...at-dealership-with-red-circle-of-death.21209/

https://www.taycanforum.com/forum/threads/red-circle-of-death.20381/

https://www.taycanforum.com/forum/t...osed-by-porsche-as-a-12v-battery-issue.18975/

 

[D00notD00d]

This deserves its own subject, it’s hard to appreciate the scale.

Previous threads with Red Circle in the title:

https://www.taycanforum.com/forum/threads/reporting-to-red-circle-of-death-club.24693/


https://www.taycanforum.com/forum/t...ath-round-2-anyone-getting-compensated.21767/


https://www.taycanforum.com/forum/t...at-dealership-with-red-circle-of-death.21209/


https://www.taycanforum.com/forum/threads/red-circle-of-death.20381/


https://www.taycanforum.com/forum/t...osed-by-porsche-as-a-12v-battery-issue.18975/

 

[Tooney]

This deserves its own subject, it’s hard to appreciate the scale.

Previous threads with Red Circle in the title:

https://www.taycanforum.com/forum/threads/reporting-to-red-circle-of-death-club.24693/

https://www.taycanforum.com/forum/t...ath-round-2-anyone-getting-compensated.21767/

https://www.taycanforum.com/forum/t...at-dealership-with-red-circle-of-death.21209/

https://www.taycanforum.com/forum/threads/red-circle-of-death.20381/

https://www.taycanforum.com/forum/t...osed-by-porsche-as-a-12v-battery-issue.18975/

Yes!
If you google search for 'red electrical error taycanforum.com', the results list is many pages long.

One of the all-time classics (12 pages, 167 posts) is: Is this what I think it is? Electrical system error

 

[turtletaycan]

Just heard back from the dealership that they will be undergoing a cell/module replacement and not a complete battery replacement. I tried calling Porsche NA to see if I can escalate this issue (given that this will be the 2nd module replacement) for a battery replacement, but they told me Porsche NA cannot supersede the technical decisions made by the service center.

Update. I finally got my car back today after almost 3 months.
The battery module was shipped from Germany and arrived within 2 weeks.
After that my car was sitting in the dealer lot until just last week.

When they notified of me of the first delay (they said they had a backlog of cars to fix), I asked and switched my 2025 Macan base loaner with a 2025 Taycan 4 loaner. The Taycan was so much better even though both were base with minimal options....

What's surprising is that they only started to work on my car last week and it was already finished by this Wednesday, according to the papers, 3 battery modules have been replaced and in the past two days they have been doing recalls and doing quality check, etc.

 

[JIP1080]

Just heard the dealer is ordering parts to do "cell block replacement." He noted it takes a while, so I'll l I'll get a weekly update from here 🫤.

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