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Tesla Model X key fob does not work after replacing the battery.

device Tesla Model X 2017

Repair time: 40 minutes.


Today, a regular customer turned to us for help in repairing a not quite iPhone. The owner of the 2017 Tesla Model X car, after replacing the battery in the remote control, has stopped opening the car and interacting with it in every way.

They could not refuse help, and the situation is interesting, in fact, like the car itself. We begin to understand.

How to open Model X with an broken key fob?

What to do if you are in a similar situation and you need to somehow get home or rearrange the car?

To open Model X with an inoperative key fob, you need to bring the key (you can even without a battery) to the bottom rack near the driver's door (photo above).

To start the car you need to put the key in the lower niche under the cup holders. The car reads the key from the immobilizer and will allow movement.

Rated voltage of a key fob Model X

The first thing that came to mind was a dead battery. They removed the battery, checked and found out:

  • The normal voltage for the new CR2032 battery is 3.2 volts.
  • The low battery indicator in the remote control starts to signal at 2.9V.

After checking the batteries, they realized that it was not her. We started looking for a problem inside the keychain. He understands it is not difficult and intuitive. The main thing is to disassemble carefully and without haste. But it is better to entrust it to specialists, in order to avoid additional breakdowns in the remote control.

Why did the key stop working after replacing the battery

The photo from the microscope shows the same contact that breaks when replacing the battery and the remote control stops working. To repair the keychain, it is enough to solder it and this repair can be considered complete.

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