I have a 2019 Model S w the performance package. I was at a Tesla changing station yesterday and unplugged it at 89 percent. Got in to leave and the battery gauge was showing 100 percent but the screen also said battery critically low pull over immediately. Did a soft reset and that changed nothing. Eventually it was completely dead and couldn't get into it. Had to have it towed to the nearest dealership. Has anyone experienced anything like this or have suggestions. Tesla has has yet to diagnose it as this happened yesterday.
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Possible battery failure
- Thread starter Sukh K
- Start date
Tam
Well-Known Member
Dead as in absolutely with no power even for hazard lights, display screens? In this case, the failed 12V could be blamed as one of the possibilities.
Or only dead to the propulsion system, but the door locks still work, the display screen still on...? In this case, the 12V battery is unaffected and not to be blamed.
Tam
Well-Known Member
In that case, the 12V needs to be replaced first. If the cause is the old dead 12V affects the proper charging, this replacement could fix it.
However, if that doesn't fix it, then it's time to blame the main battery. A replacement could fix it.
Tam
Well-Known Member
Tam
Well-Known Member
You might have to drive it a while for the system to calibrate to your driving style. That number should change over the next month.
ucmndd
Well-Known Member
Your car was rated at 345 miles when brand new, it surely wasn’t still getting that range 3 years later.
The terms of the warranty state you’re owed a battery that has at least as much range as the battery they replaced before it failed. They DON’T owe you a brand new battery with the full range your car had when new.
