Charge port and contactors cycling...

[aerodyne]

I have about 1kw a day vampire drain. I can see via Teslafi when charges start and stop. When I am near the car (locked, key fob in metal can behind wall 10 feet away). I notice the green charge port light cycles on, and sometimes hear the contactors engaged. Is this common?

 

[SilverSp33d3r]

I have about 1kw a day vampire drain. I can see via Teslafi when charges start and stop. When I am near the car (locked, key fob in metal can behind wall 10 feet away). I notice the green charge port light cycles on, and sometimes hear the contactors engaged. Is this common?

My 2014 s60 seems to have similar things going on. Happens usually about 1 time a hour, but I don’t have any 3rd party apps connected to my car.
The excessive vampire drain is most likely from teslafi pinging the vehicle.

 

[TMeister]

Has to happen to keep the 12v battery charged. The only cars I believe that don't do this are the 100 kWh ones which have a smaller output DC-DC converter to keep the 12v system running without closing the contactors.

 

[aerodyne]

Yes, but every 5-10 minutes? I think it might be Teslafi pinging the car to make it sleep, which it never does...until deep sleep mode

 

[TMeister]

At that rate, your 12v battery is dying. Basic trouble shooting rules apply. Disable Teslafi and see what happens. Measure your 12v system and watch it cycle.

In the beginning Teslafi had a hard time putting the car asleep and so it consumed 3x the vampire drain (for me). I disabled it cuz it didn't give me the value. So maybe that's changed but start there (disable Teslafi).

 

[aerodyne]

The 12V is the newer type and only 14 months old, so I did not consider that.

Have a voltmeter in the 12V port. Seems to display normal voltages without excessive drop rate.

Will start with disabling Teslafi....