Plug in to Maintain 12V Battery

[Auto Motive]

Yes, I have one. $55

Where did you purchase it?

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[Kkbrit]

Not sure if I should add to this older post but didn’t want to start a new thread. Forgive me for my lack of technical knowledge.
i got the 12v battery drain message and took it to the dealer. They said the battery sensor was bad and replaced it. Once replaced it showed that the DC-DC converter was bad and are replacing that now. My question is should I be worried about the 12v battery or is that not connected to such a fault?

 

[TheSteelRider]

Not sure if I should add to this older post but didn’t want to start a new thread. Forgive me for my lack of technical knowledge.
i got the 12v battery drain message and took it to the dealer. They said the battery sensor was bad and replaced it. Once replaced it showed that the DC-DC converter was bad and are replacing that now. My question is should I be worried about the 12v battery or is that not connected to such a fault?

The DC-DC converter is what charges your 12v battery, so if it fails then it does make sense that your 12v battery was not getting properly charged thus maybe the battery messages and errors.

The DC-DC converter in this case performs the same function as an alternator in an ICE vehicle.

 

[Stilor]

Had the same warning in the app at 6am, even though the car was plugged in and HV battery charged to 100% at the time. Started and drove fine. Is it a reason to worry/bring it to the dealership? Nothing connected to OBD, have a dashcam that is connected to switched power.

 

[profdraper]

FWIW I went with one of these in the lighter socket for peace of mind:
https://www.innova.com/products/battery-monitor-3721

 

[Teslaeata]

FWIW I went with one of these in the lighter socket for peace of mind:
https://www.innova.com/products/battery-monitor-3721

Doesn’t the lighter socket go to sleep

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