New Phones

Promoted articles

Who should I contact for issues with my Dexcom CGM?
Guide to Pump Alerts - t:slim X2 insulin pump
Guide to Pump Alarms - t:slim X2 insulin pump
Tandem's Guide to Successful Pumping

Need help with your Dexcom CGM?

For Dexcom CGM specific issues, please contact Dexcom using one of the options at dexcom.com/contact. For a full list of who to contact for Dexcom CGM issues, please visit tandemdiabetes.com/contact-us.

Tandem handles issues with the connection between your Dexcom transmitter and t:slim X2 pump, as well as the below issues which you can now report online using our quick reference resources:

Sensor Failure After 2hr Warmup
Pump Will Not Accept Calibration Values
Other Calibration Errors
Pump Displays "---"

New Phones

Promoted articles

Customer Support

Need help with your Dexcom CGM?

Didn’t find what you’re looking for?