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Technical changes with MY26

chun

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If that counts as not bricking it, the PCM is not bricked either - you can re-flash the PCM using the the same steps as re-flashing the Android based one on Macan,
You missed the part that you cannot re-flash PCM6 :)
As the hardware is damaged/corrupted beyond software fix.

Read everything please

Yes, you will be able to re-flash the android PCM for the Macan EV, thanks for proving my point, that the new android based OS is better :)
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mpaulus007

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Thank you everyone for actively participating in this discussion based on my initial post. Can we all be a little respectful while exchanging arguments :cool::cool:.

And still asking the question: Beyond what we can see from the 2026 configurator: Any known changes? 22 KW Onboard Charger finally on the way? Better rear camera? Siliciumcarbid for all puls inverters for better efficiency? Further chemistry update to battery with increased Wh/kg? Anything else?
 

chun

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22 KW Onboard Charger finally on the way? Better rear camera? Siliciumcarbid for all puls inverters for better efficiency? Further chemistry update to battery with increased Wh/kg? Anything else?
The only likely one is the 22kw charger.
Anything else you mentioned is not happening.

Again, this is not a Taycan 2 or a new facelift J1.3.

It's just a new manufacturing year. The reason the PCM is updated is because Porsche wants to streamline their car line in terms of software support to optimize costs.
 
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mpaulus007

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Again, this is not a Taycan 2 or a new facelift J1.3.
Sure, this is not Taycan 2 or J1.3. Understood. Some members may remember that Porsche did some major changes from MY2021 to MY2022 leading to better range. That is the reason I am asking.

Do you have any info regarding 22KW?
 

chun

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Sure, this is not Taycan 2 or J1.3. Understood. Some members may remember that Porsche did some major changes from MY2021 to MY2022 leading to better range. That is the reason I am asking.

Do you have any info regarding 22KW?
No info beside Porsche saying it will eventually come back when it wasn't an option on MY25 - likely they need to source a complete new component, as the old one is too prone to failure.

MY21 to MY22 had no major changes beside PCM software, and MY21 and MY20 also got those updates eventually. A lot of misinformed articles came out at the time, but all the changes were software - one being related to when and which gear is engaged when driving, resulting in small improvements in range - which my20 and my21 also got.

The fact that new hardware for PCM is coming in MY26 is already a bigger change than usual for a new MY.

Another example of "big" change is that MY21+ was moved to 6 piston brakes, compared to 10 pistons on MY20.

But these big changes are not so common for a MY release, and I wouldn't expect multiple such big changes.

The configurator is not out for MY26 as far as I know, and all these people saying that they will get a MY26 in august were likely misinformed. If you can't configure a MY26, the manufacturing line was not changed (it's usually done in august during manufacturing break), and therefore no MY26 can be assembled.
 
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chun

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How exactly? A steps/how-to link perhaps?
Yes, you take it to the dealer, and under warranty, in under 1h, he can re-flash a Macan EV PCM.
I've actually seen it live in April here in Switzerland, at my dealer, while waiting for my summer tires to be changed.

When you bring a taycan with a bricked PCM, he needs to put in an order for new hardware, and your car sits in service :) for 1-3 weeks. Sometimes it might even be multiple hardware replacements.

Why are you so confused about having to replace hardware vs not having to replace hardware?

Are you insinuating that software that forces you to replace hardware when it fails during a basic update, is as good as software that doesn't force you to replace hardware?

I have in fact made multiple attempts in tempting my dealer to update my PCM, and they have denied me every time, because when the hardware gets bricked, since there is no big update campaign from Porsche Central, they have to pay out of the dealership's pockets for the hardware replacement, and they don't want that risk.
 

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Yes, you take it to the dealer, and under warranty, in under 1h, he can re-flash a Macan EV PCM.
I've actually seen it live in April here in Switzerland, at my dealer, while waiting for my summer tires to be changed.

When you bring a taycan with a bricked PCM, he needs to put in an order for new hardware, and your car sits in service :) for 1-3 weeks. Sometimes it might even be multiple hardware replacements.

Why are you so confused about having to replace hardware vs not having to replace hardware?

Are you insinuating that software that forces you to replace hardware when it fails during a basic update, is as good as software that doesn't force you to replace hardware?

I have in fact made multiple attempts in tempting my dealer to update my PCM, and they have denied me every time, because when the hardware gets bricked, since there is no big update campaign from Porsche Central, they have to pay out of the dealership's pockets for the hardware replacement, and they don't want that risk.
A know issue with the MIB3 plattform that the Taycan PCM6 is based on. The Audi e-tron/e-tron GT has the same problem for their MMI that is also based on MIB3.
 


whitex

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When you bring a taycan with a bricked PCM, he needs to put in an order for new hardware
How the the end user brick it? Trying to root it?

Why are you so confused about having to replace hardware vs not having to replace hardware?
Whether or not a software update is fail-safe (i.e. there is always a way to re-flash from scratch) depends on software and hardware design, not the operating system. I've seen Windows, Linux, RTOS, even bare metal software devices which always had recovery mode - i.e. in the worst case, you can put a fresh load of software on it. I suspect there is a way to do this in the PCM as well, except maybe not via the tools that dealers have. Perhaps Porsche just made it dealer programmable in the next gen infotainment. The fact that it's running Android is pure coincidence.
 

chun

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How the the end user brick it? Trying to root it?


Whether or not a software update is fail-safe (i.e. there is always a way to re-flash from scratch) depends on software and hardware design, not the operating system. I've seen Windows, Linux, RTOS, even bare metal software devices which always had recovery mode - i.e. in the worst case, you can put a fresh load of software on it. I suspect there is a way to do this in the PCM as well, except maybe not via the tools that dealers have. Perhaps Porsche just made it dealer programmable in the next gen infotainment. The fact that it's running Android is pure coincidence.
  • You bring a macan Ev for pcm software update: 1h it's updated
  • You bring a taycan EV for pcm sofwtare update: 3 to 5 weeks later, after 1 or 2 PCM hardware changes, after 20-30 service time hours; the PCM is updated.

Which one is better?

Making it VERY simple for you.

Very nice anecdote that other operating systems could achive what the android one does. But here is the fact, PCM6 does not achieve that, and the android PCM does achieve it. These are the 2 we have :) Discussing maybes or might have beens, or any other operating systems, is irelevant. We have these 2, and objectively, one is better than the other - but I let you choose which one is better based on the choices from above ;)
 
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whitex

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Very nice anecdote that other operating systems could achive what the android one does. But here is the fact, PCM6 does not achieve that, and the android PCM does achieve it. These are the 2 we have :) Discussing maybes or might have beens, or any other operating systems, is irelevant. We have these 2, and objectively, one is better than the other - but I let you choose which one is better based on the choices from above ;)
Of course ability to recover is better for customers, but has nothing to do with the operating system (since bricking could mean you wiped out the operating system for example). If one of them uses Philips screws and the other one Torx, are you going to theorize how one type of screw is better than the other because one can have its firmware reflashed by a dealer when bricked and the other one does not? I guarantee they could have just respun the MIB3 platform with exposed recovery mode.
 

Jasper4S

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Honest question for you @chun You seems to be very pessimistic and negative about Taycan and Porsche in general. Fine by me, so not trying to get a reaction on this. And really don’t want to trigger anything. You own a Taycan and Cayman and you are (very) active on this forum. You seem to know everything from SW details to the way of working of hardware components.

I just don't understand it. Is this your way of showing love to the brand and your cars? Is a Porsche a 2nd choice? Are you getting paid by Chinese EV makers (LOL)? Please share some info, I really try to understand your passion by being here while being critical.
 

chun

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Of course ability to recover is better for customers, but has nothing to do with the operating system (since bricking could mean you wiped out the operating system for example). If one of them uses Philips screws and the other one Torx, are you going to theorize how one type of screw is better than the other because one can have its firmware reflashed by a dealer when bricked and the other one does not? I guarantee they could have just respun the MIB3 platform with exposed recovery mode.
We are not discussing philips screws, are we? We are discussing the reality of today.

Baseless claims again. Check with actual owners how the "1 hour it's updated" are actually going.

For instance here:

https://www.macanevowners.com/forum/threads/new-software-update.20384/
I don't see anyone mentioning that their PCM stopped working, or their car stopped driving. Can you link it directly?

I see small glitches, following an OTA update - another thing that taycan barely has working.

In fact, if you go through the last 7 pages of your link, you can see most people saying no software issues.

I am confused... are you supporting my claims?

Can you link directly the posts that showcase a Macan EV PCM which does not boot up, like this taycan:
Porsche Taycan Technical changes with MY26 1751284584856-pl


Can you link directly the posts from the Macan EV forum that shows the PCM of a Macan EV being completely dead and requiring new hardware, like this taycan:
Porsche Taycan Technical changes with MY26 1751284634046-2m


Because all you posted so far is a thread of small glitches in following OTA updates, in which the owners report no more issues after a reboot or no issues at all?
 

chun

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I just don't understand it. Is this your way of showing love to the brand and your cars? Is a Porsche a 2nd choice? Are you getting paid by Chinese EV makers (LOL)? Please share some info, I really try to understand your passion by being here while being critical.
I am confused how people can claim that the PCM that can destory hardware is better than the one in the Macan Ev, which... wait for it, does NOT destory hardware.

That's it.

I am still waiting for answer on that, so far I've got some analogy about philips screws.

It's just curiosity, that's all. I want to understand the thinking process. Is it just ownership bias: "there is no better thing in the world than what i have"? Or do people genuinely not understand that software destroying hardware = bad?

Sure, PCM6 could be great. In another reality. But in this one, it's not. So why are we discussing another reality? Confused, curious, and waiting for a real answer.
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