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daveo4EV

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Porsche's website continues to list the 11kW onboard AC charger as standard equipment in the build configuration for the Taycan.

Screenshot 2025-09-25 073820.webp
:facepalm:
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daveo4EV

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Porsche is all over the map with their eMobility sections for "Standard Equipment" for the four "EV/PHEV" products in north america
  • Taycan
  • Macan EV
  • Cayenne eHybrid
  • Panamera eHybrid
they list 9.6 & 11 kW OBC's
they list 9.6 & 11 kW mobile EVSE's (even though 11 kW mobile EVSE is impossible in North America)
and until 2022 the Taycan came with NEMA 14-50 as "standard" for the power supply cable and the Hybrid's came with NEMA 6-50 as standard with the Power Supply cable

I also once had a Service Advisor tell me I had to use the EVSE that came with the Taycan to charge it - and I had to use the EVSE that came with the Cayenne to charge it - or I might have "future warranty" issues - he thought they were different because they came with different powersupply cords - he also suggested I couldn't swap the cords - and only relented when I brought both units to him, turned them over and showed him they have the same Porsche Part numbers on the back…

Porsche is clueless when it comes to EV's…
 

whitex

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I have no proof of what Porsche might have done but this suddenly lowered max limit doesn't pass the sniff test. Attempting to "protect" a marginal component is what it seems like.
They could have done this over the air as well, possibly then updating software for ARB6/7 OTA campaigns. If you original order states 11kW OBC, you could take it the dealer as broken, i.e. no longer able to pull specified max power. I wonder what Porsche's response to that would be.
 

gtm

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They could have done this over the air as well, possibly then updating software for ARB6/7 OTA campaigns. If you original order states 11kW OBC, you could take it the dealer as broken, i.e. no longer able to pull specified max power. I wonder what Porsche's response to that would be.
That is the interesting point. The original specs show the OBC at 9.6kW (the OBC is nowhere on the build sheet as that only shows options, but that is how it is under the list of standard equipment on the website at the time) . For two and a half years I have been charging at 11.5kW. It was lowered to 9.6 seemingly when the ARB6 software was installed (and 8 modules were also updated). I have no cause for complaint as I'm now getting what they promised and 9.6 is plenty for overnight charging. It just doesn't sit well that this is done without the customer/owner getting any info and the dealer either playing dumb or also in the dark about the lowering of the charging limit.
 

daveo4EV

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That is the interesting point. The original specs show the OBC at 9.6kW (the OBC is nowhere on the build sheet as that only shows options, but that is how it is under the list of standard equipment on the website at the time) . For two and a half years I have been charging at 11.5kW. It was lowered to 9.6 seemingly when the ARB6 software was installed (and 8 modules were also updated). I have no cause for complaint as I'm now getting what they promised and 9.6 is plenty for overnight charging. It just doesn't sit well that this is done without the customer/owner getting any info and the dealer either playing dumb or also in the dark about the lowering of the charging limit.
Porsche seems to be neutering North American Taycan's to 9.6 kW max L2 charge rate when they have the opportunity to service the vehicles or via an OTA update…

to date I've not seen any explanation as to why/how they are doing this.

seems like a great law suit

I'm not sure what other characteristic I'd enjoy Porsche reducing by 20% after purchase and in difference from published specifications…

Porsche's EV charging game remains strong and they are hitting in out of the park… :facepalm:
 


gtm

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Porsche seems to be neutering North American Taycan's to 9.6 kW max L2 charge rate when they have the opportunity to service the vehicles or via an OTA update…

to date I've not seen any explanation as to why/how they are doing this.

seems like a great law suit

I'm not sure what other characteristic I'd enjoy Porsche reducing by 20% after purchase and in difference from published specifications…

Porsche's EV charging game remains strong and they are hitting in out of the park… :facepalm:
But I have no basis for complaint other than that nothing was said. The spec sheet at the time I bought the car showed 9.6kW. Porsche probably thinks they gave me something extra for the past 2.5 years allowing my car to charge at 11.5kW. I wonder if they will charge me after the fact for an unlisted optional upgrade. Probably more expensive than the 150kW OBC option.
 

whitex

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Porsche seems to be neutering North American Taycan's to 9.6 kW max L2 charge rate when they have the opportunity to service the vehicles or via an OTA update…

to date I've not seen any explanation as to why/how they are doing this.

seems like a great law suit
As @gtm said, unfortunately no basis for the lawsuit because the original spec was 9.6kW (I checked my 2023 order sheet, standard equipment has listed a 9.6kW OBC). So Porsche would claim the car performs up to spec, and that previous 11kW charging was a defect, which they fixed/recalled. No different than fixing the random alarm activations while parked, nobody would claim removing those random activations was taking away features. ;)

A 19.2kW OBC on the other hand is different, that one was always advertised at 19.2kW, so neutering that could form a basis for a lawsuit.
 

Jono

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who's EVSE are you using achieve teh 10.4 kW charge rate? pics would help…
what the circuit breaker rating "feeding" the EVSE
Standard Porsche home wall charger. 3 phase power. Charger set to 16A. Turning it up to 32A doesn’t change the actual charging rate at the car. Its stays at 10.5 kW.

Interestingly my wife’s new Model Y 2026 LR charges slightly faster off the same exact Porsche charger at 11kW.







Porsche Taycan Level 2 charging rate with a 50 amp capacity IMG_1747
Porsche Taycan Level 2 charging rate with a 50 amp capacity IMG_1749
Porsche Taycan Level 2 charging rate with a 50 amp capacity IMG_1750
Porsche Taycan Level 2 charging rate with a 50 amp capacity IMG_1743
 


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Briguy

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For anyone who is still interested, I am pressing Porsche to deliver on my specs of an 11 kw charging capability. While they tried to claim that my configuration was only for a 9.6 kw OBC, at least in Canada, that was not the spec for all of the MY25 Taycans and for much of the MY26 Taycans (they finally changed their configurator and the specs for the car in late calendar year 2026). I ordered my car days after the new generation 2 Taycan (refresh) in February 2024.

To help Porsche remember the facts, I shared with them these reference points (see attachment).

In Canada, in marketing their existing MY25 and MY26 they even emphasized the benefits of 11 kw home charging (see attachment f).
 

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whitex

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For anyone who is still interested, I am pressing Porsche to deliver on my specs of an 11 kw charging capability. While they tried to claim that my configuration was only for a 9.6 kw OBC, at least in Canada, that was not the spec for all of the MY25 Taycans and for much of the MY26 Taycans (they finally changed their configurator and the specs for the car in late calendar year 2026). I ordered my car days after the new generation 2 Taycan (refresh) in February 2024.

To help Porsche remember the facts, I shared with them these reference points (see attachment).

In Canada, in marketing their existing MY25 and MY26 they even emphasized the benefits of 11 kw home charging (see attachment f).
Good luck! 🤞Out of curiosity, has anyone with a PIWIS tried to unlock the full 11kW?
 

daveo4EV

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wickedrsr

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Yes, right before my software update last week, i was getting 11kw, right after my software update... getting 8.9 in the car.

After my new 11kw obc was swapped from a 22kw, my plug and charge disappeared in the PCM, i was getting 11kw in the car, on a 100A/tesla gen 2 set to 80A. After 2 months, i took it back in for some recalls and asked them to fix my plug and charge. The service record stated that there were some optional updates to the obc. After the updates were installed, the plug and charge was back in the pcm it stated. After when i got home to charge... i found out my charging has been neutered down to 8.9 in the car.
 
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CrazyINP

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Yes, right before my software update last week, i was getting 11kw, right after my software update... getting 8.9 in the car.

After my new 11kw obc was swapped from a 22kw, my plug and charge disappeared in the PCM, i was getting 11kw in the car, on a 100A/tesla gen 2 set to 80A. After 2 months, i took it back in for some recalls and asked them to fix my plug and charge. The service record stated that there were some optional updates to the obc. After the updates were installed, the plug and charge was back in the pcm it stated. After when i got home to charge... i found out my charging has been neutered down to 8.9 in the car.
I see you are in the Bay Area, which dealer figure out your plug and charger? Steven's creek hasn't been able to figure out how to add back to the menu.
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