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This is unnerving to me as I'm seeing range loss while following similar charging habits, but it was my understanding that the range would be restored after repeated 90% charges. It wasn't reassuring to me that I didn't regain miles after my road trip this past weekend which included a couple 100% charges.
Who wants to be the guinea pig here? I have an idea to restore your range:
1. Access fuse box in frunk.
2. Pull yellow touchscreen fuse.
3. Pull BMS green fuse.
4. Wait 5-10 min.
5. Insert fuses in reverse order.
This is unnerving to me as I'm seeing range loss while following similar charging habits, but it was my understanding that the range would be restored after repeated 90% charges. It wasn't reassuring to me that I didn't regain miles after my road trip this past weekend which included a couple 100% charges.
Who wants to be the guinea pig here? I have an idea to restore your range:
1. Access fuse box in frunk.
2. Pull yellow touchscreen fuse.
3. Pull BMS green fuse.
4. Wait 5-10 min.
5. Insert fuses in reverse order.
Who wants to be the guinea pig here? I have an idea to restore your range:
1. Access fuse box in frunk.
2. Pull yellow touchscreen fuse.
3. Pull BMS green fuse.
4. Wait 5-10 min.
5. Insert fuses in reverse order.
apacheguy::: What will this do to restore range? Any caveats while doing this?
I've done this and reported my findings upthread. No effect. I pulled both fuses for 20 minutes. No change to displayed range. I contacted service regarding this procedure, the service advisor asked all of the techs at the shop and said this process does nothing.
Try charging to 100% 3-5 times in a row, I think you'll see your estimate rise.
I've had my S90D for 2 weeks. 90% pretty steady at 252
mknox, I'm convinced you must have some dead cells... Generally speaking, I've noticed most folks with A packs have better degradation #'s than some of the later revision packs. I think you have an A pack right? Also, folks in colder climates generally do better, although not as consistently (at least by my perception)... you're in Canada where avg temps stay colder than most American owners..... between those two things, I would expect you to be a lot better off than most in terms of degradation #'s, and you're not.... therefore dead cells? Just a theory...Done, and nope.
mknox, I'm convinced you must have some dead cells... Generally speaking, I've noticed most folks with A packs have better degradation #'s than some of the later revision packs. I think you have an A pack right? Also, folks in colder climates generally do better, although not as consistently (at least by my perception)... you're in Canada where avg temps stay colder than most American owners..... between those two things, I would expect you to be a lot better off than most in terms of degradation #'s, and you're not.... therefore dead cells? Just a theory...
Not sure if this is directly related to this comment, but yesterday I did a road trip where I supercharged on the way out and the way back. I drove from home to the Supercharger and charged to 90%. Later that day, I returned to the same Supercharger and again charged to 90%. My car said I had driven 139.5 miles and consumed 42.3 kWh, but my Charging display showed I had put 46 kWh back in to the car during that second charge. Why the discrepancy? It wasn't like the car was parked overnight or anything.
Has any brave soul kept their car charged to 100% for several days? A post in a thread regarding battery degradation at TM Forums over a year ago, or it could have been here, indicated that their local service center suggested keeping the car charged to 100% for a week in order to work its magic balancing trick. I'm curious if anyone has done that, either intentionally or by accident, and what impact, if any, it had on your range estimate?
mknox, I'm convinced you must have some dead cells... Generally speaking, I've noticed most folks with A packs have better degradation #'s than some of the later revision packs. I think you have an A pack right? Also, folks in colder climates generally do better, although not as consistently (at least by my perception)... you're in Canada where avg temps stay colder than most American owners..... between those two things, I would expect you to be a lot better off than most in terms of degradation #'s, and you're not.... therefore dead cells? Just a theory...
Well Tesla came back and they admit on my service report that my capacity has gone down 10% and faster than average but they still say its normal and should "average" out as fleet averages catch up, whatever that means. Not sure how I plan any trips now if my distance between supercharges is more than 189 miles. Love the car, but this is worrisome.