Hi all, 2015 P85D here with 30,000 miles. I’ve been reading through the two gigantic battery threads (battery limit and supercharge limit) but they don’t reflect what I’m seeing. This thread is much closer, but mine is much more drastic. Starting about two or three weeks ago (coincident with .16.2? .20.4?) my supercharging rates are DRASTICALLY lower over the entire SOC. Reproducible at several SCs, normal temps, pre-warmed or not, different stalls, non-shared, etc.
My taper curve is simply about 40% lower than what would be normal. At 50% SOC, I’m at a paltry 36kW. It’s roughly at about 90-SOC=kW whereas it should be about 125-SOC=kW. I called the 877 #, the first time they said SC rates are like 20kW all over the country. Yeah, no. Hung up and called back and they went through the whole gambit, saying the battery is fine, but SC rates vary, etc etc etc. Curiously, they said there was “something noted” on my account, but it might be “just for engineering” and that she had to get clearance from a supervisor to tell me. She backtracked though and said she was looking at the wrong thing. I’ve been mostly using 75kW SC stations so I’m not sure if the peak rates have been capped (a la the 90 battery fiasco) but the overall charge curve is way lower than those folks anyways.
Thoughts?