or, put differently, what are you buying with your P dollars?
I’m starting this thread because my gut tells me this topic is going to have legs and I’d like a place to park all the (hearsay and first hand) data emerging regarding power reduction due to activity “counters”.
Here is an overview https://teslamotorsclub.com/tmc/posts/1870440/
Tesla instituted a performance counter based power reduction system in a software release (V8.0?) without notifying customers or including any mention of it in the release notes. At least one customer’s car had their power reduced significantly (on the order of 50-100 KW).
Customer 1 (https://teslamotorsclub.com/tmc/posts/1876977/) including the response this customer got from Tesla
One indication of the amount of initial power reduction https://teslamotorsclub.com/tmc/posts/1878097/
Tesla then added this to their web site.
Performance versions of the Model S and Model X are high-performance vehicles. As with other vehicles, continuous high-performance driving will stress the vehicle's components and may result in premature wear or failure. To help protect the performance and longevity of the powertrain, Performance versions of the Model S and Model X continually monitor the condition of various components and may employ limiting controls to optimize the overall driving and ownership experience.
Indication from Tesla that all P models are affected. https://teslamotorsclub.com/tmc/posts/1905995/
First mention of multiple counters or, put differently, what are you buying with your P dollars?
Response from Tesla on how you have to drive the car to avoid power reductions (NOT - just a funny)
Further indication the car monitors launches, max battery AND full throttle excursions-
Some more color on the counters, combination counters and possible counter limits before power reduction-
An indication that information coming from Tesla may be being shut down-
Background on individual cell interconnect wires-
Which discusses how close 1500/1600 amps is to the current carrying capability of the individual cell interconnect fuse links. I believe WK saw this coming.
It is looking more and more like 1600ish amps from pre-flex board cell interconnect batteries is the culprit-
Conflicting information indicating possible Tesla software/firmware power reductions on P100DLs
May be linked above but here is another owner's reference point for counters and when they might expire-
This appears to be a P85DL that has been power limited. These two posts are from page three of this thread-
robert | January 15, 2017
Ran some testing on my P85DL today and yesterday. At 25min to 'ready' and 92% SoC, I get 393kW. At 'read' and 88% SoC, I get no more than 410kW. Seems something is wrong, as this car should be doing closer to 480kW. Used both PowerTools and TeslaLog. Here is one of many TeslaLog plots showing the same thing:
Here is the latest with a lot of pictures, but the summary is I'm not getting over 415kW.
jmcneill | January 17, 2017
Based on your input, we have decided to remove all software performance reductions tied to frequent max power usage. These changes will roll out with our next software update (in about three weeks).
We had put these reductions in place to proactively protect the powertrain from wear and tear. Instead, we will monitor the condition of the powertrain and let our customers know if service is needed so that we can take proactive steps, such as by replacing parts if necessary, to maintain the vehicle’s performance.