daveo4EV
Well-Known Member
- First Name
- David
- Joined
- Jan 28, 2019
- Threads
- 160
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- 5,809
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- 8,642
- Location
- Santa Cruz
- Vehicles
- Cayenne Hybrid, 911(s) GT3/Convertable
the power loss to my knowledge has nothing to do with BMS - it has pretty decisively been related to running of on board electronics so that the Tesla remains connected, online, and accessible to the Tesla app - my Model S/X had a setting to reduce vampire drain but the trade off was that it would take longer to "connect to the vehicle" when it was asleep…
claiming this is related to BMS/battery management is "generous" apology in my opinion - it's quite simply a cost of doing business for an "always" on system…
there is also more data points that if you managed to convince the vehicle/Tesla that there is no hope in connecting to the internet (parking garage with no signal) it eventually gives up until you wake it up manually and when it's given up - vampire drain is far less
also it's keeping a blutooth radio awake for phone as key functionality, and video camera's for sentry mode…
there is soooo much stuff running while a Tesla is parked - the drain is simply the cost of doing business to keep all that connectivity and monitoring systems running.
BMS activity is a stretch…
claiming this is related to BMS/battery management is "generous" apology in my opinion - it's quite simply a cost of doing business for an "always" on system…
there is also more data points that if you managed to convince the vehicle/Tesla that there is no hope in connecting to the internet (parking garage with no signal) it eventually gives up until you wake it up manually and when it's given up - vampire drain is far less
also it's keeping a blutooth radio awake for phone as key functionality, and video camera's for sentry mode…
there is soooo much stuff running while a Tesla is parked - the drain is simply the cost of doing business to keep all that connectivity and monitoring systems running.
BMS activity is a stretch…
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