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Strange "phantom drain" of battery after trip


New Member
Mar 28, 2021
New Jersey
Hi there, I own a 2020 Model 3, relatively new owner (10 months) and recently I started to receive some strange erros on "wait 30 seconds for systems to power up" I have already scheduled a service appointment.

Coincidentally or not, at the same time I noticed a big drain in my range. An example:

Charged to 225 miles and went for a 33 mile trip, upon return it showed 187 miles left (this is fair, speed, AC all take into consideration)

Parked the car outside, around 75F no direct sunlight. Then I went to another 44 mile trip, to my surprise range was 176 miles now (9 miles parked?)

Came back and range was 125 (once again just 6 miles, could be speed and AC), but this morning it showed 115 miles (10 miles on a 12 hour period)

I noted this only happening after a trip, if car is idle, I usually loose the 1-2 miles drain a day

Anyone has ever faced something like this?

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