MY TESLA MODEL S IS DEAD

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Fred5006

New Member
I have left my Tesla in the garage for vacation for about a week, so i come back to the car dead,

I jumped the car but I reversed the polarity of the jumping cables, connecting the positive on the battery negative, I did it by mistake, i heard humming sound coming from the front of the car, after I realised what i did, i tried to jump it the right way but it’s completely dead, nothing works at all, the cluster display turns on then it says service required .

I checked all the fuses in the 3 fuse boxes and they are all ok, replaced the BCM and head unit also nothing changed. Is there safety fuse or something that i have to check? Of so where its located and if there is no fuse, where do i start?
 
None that I know of. I've heard of more than one Prius that were reverse jumped and blew out every controller. Total Prius loss.

Bob Wilson
 
Reading through this, I wouldn't jump straight to assuming the worst, especially after a reverse polarity incident. Modern EVs have a lot of protection built in, so there could be damaged fuses, contactors, or other electrical components that need to be checked before concluding the battery pack has failed. If I were in this situation, I'd want a thorough tesla model s battery repair assessment rather than replacing expensive parts based on symptoms alone. It could save a lot of money if the issue turns out to be somewhere else in the electrical system. I'd be interested to hear what the final diagnosis is once everything has been properly inspected.
 
warrenautolab said:
Reading through this, I wouldn't jump straight to assuming the worst, especially after a reverse polarity incident. Modern EVs have a lot of protection built in, so there could be damaged fuses, contactors, or other electrical components that need to be checked before concluding the battery pack has failed. If I were in this situation, I'd want a thorough tesla model s battery repair assessment rather than replacing expensive parts based on symptoms alone. It could save a lot of money if the issue turns out to be somewhere else in the electrical system. I'd be interested to hear what the final diagnosis is once everything has been properly inspected.
Click to expand...
I wish the original poster had returned 3 years go to tell us how his problem was diagnosed and, possibly, resolved.
 
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