I need to change my Dexcom G6 Transmitter ID, why is this option grayed out on my pump?

The Transmitter ID field will be grayed out on your pump if you have an active CGM session. You will need to select STOP SENSOR on your pump before you can edit the Transmitter ID.


Note: If you are using the Dexcom mobile app and the Tandem pump, we recommend pairing your Transmitter to your pump first, then pairing it to the Dexcom mobile app. Once the Transmitter is paired to both devices, you will be able to start a CGM session on either device.


Important note about Dexcom support:

Dexcom and Tandem have agreed which system issues are best handled by each company, including which company is responsible for reporting those events to the appropriate regulatory authority. To help ensure that the required reporting takes place in a timely fashion, customers may need to contact Dexcom for some issues and Tandem for others.

Tandem handles issues with the connection between your Dexcom transmitter and t:slim X2 pump, questions about calibration, the “---” display, and sensor failures after the 2-hour warmup period.

For all other CGM issues, including the sensor failure during the 2-hour warmup, “no restarts” alert or physical problems with your sensor or transmitter, such as bleeding, bruising, skin reaction, adhesive issues, applicator issues, or broken wires, you should contact Dexcom using one of the options at dexcom.com/contact.

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