I have a 2023 M3 Performance with 5,700 miles on it. I've been using the Tessie app since about 2.5k miles to track battery health. I have been tracking on a consistent line just under "fleet average".
The other night we had a lightning strike in the backyard, which resulted in several GFI outlets popping, and several electronics in the house getting fried. Interestingly enough, most of the items that were toasted were on protected outlets that didn't trip. I read that if the strike is within 100 meters, there is enough charge in the air to wreak havoc on electronics without the usual "surge" that would come from the power line itself. I don't know enough about that to comment on how accurate that claim is, but I can tell you that several items on protected circuits did get toasted, including my garage door opener, located in the same garage the car was parked in that night...
As you can see from the pictures, my Tessie app's calculated battery capacity dropped overnight, and has stayed there since that night (about a week now). I had no warning messages in the car, and the circuit the charger was on did not trip.
I did submit something to Tesla service through the app, and it said it was running diagnostics right after I submitted, but then it just gave me a canned answer about battery range fluctuating and asked if I wanted to be contacted about it. I requested to be contacted, and have yet to hear back...
My questions are: Has something like this happened before to someone here? Is it possible the battery itself was damage from the "electricity in the air" (EMP type thing?)? Or is it more likely the BMS got messed up somehow and it only "thinks" the capacity is less?
My hope was for tesla to give me a definitive answer so I know if I need to make an insurance claim, but after a week of waiting I'm getting impatient and thought I'd query the group to see if anyone had any insight.
Thanks in advance for any help!
The other night we had a lightning strike in the backyard, which resulted in several GFI outlets popping, and several electronics in the house getting fried. Interestingly enough, most of the items that were toasted were on protected outlets that didn't trip. I read that if the strike is within 100 meters, there is enough charge in the air to wreak havoc on electronics without the usual "surge" that would come from the power line itself. I don't know enough about that to comment on how accurate that claim is, but I can tell you that several items on protected circuits did get toasted, including my garage door opener, located in the same garage the car was parked in that night...
As you can see from the pictures, my Tessie app's calculated battery capacity dropped overnight, and has stayed there since that night (about a week now). I had no warning messages in the car, and the circuit the charger was on did not trip.
I did submit something to Tesla service through the app, and it said it was running diagnostics right after I submitted, but then it just gave me a canned answer about battery range fluctuating and asked if I wanted to be contacted about it. I requested to be contacted, and have yet to hear back...
My questions are: Has something like this happened before to someone here? Is it possible the battery itself was damage from the "electricity in the air" (EMP type thing?)? Or is it more likely the BMS got messed up somehow and it only "thinks" the capacity is less?
My hope was for tesla to give me a definitive answer so I know if I need to make an insurance claim, but after a week of waiting I'm getting impatient and thought I'd query the group to see if anyone had any insight.
Thanks in advance for any help!