FreeStyle Libre 2 Plus
Important: Please make sure your FreeStyle Libre 2 Plus sensors are compatible with your t:slim X2 insulin pump by (referencing the compatibility page.)[#Black]
Learn how to start a new FreeStyle Libre 2 Plus sensor.
Learn how to stop a FreeStyle Libre 2 Plus sensor.
Who to Contact for CGM Support
CGM Sensor
FreeStyle Libre 2 Plus Sensor
Issues including any intentional or unintentional removal of the sensor prior to expiration of the 15-day wear period (e.g., sensor falls off, knocked off due to contact with an object, removed due to error message, etc.) and for any sensor error message (e.g., “Scan Error Check Sensor”, “Sensor Error”, “Incompatible Sensor”, “Replace Sensor”), inaccurate CGM values, readings do not match physical symptoms, or sensor failure during initial warm up period, contact Abbott at (888) 963-8038. For pump and sensor connection issues, contact the Tandem Diabetes Care Techincal Support Team at (877) 801-6901.
CGM Sensor Application
FreeStyle Libre 2 Plus Sensor
Issues including physical damage to the sensor or applicator, sensor fall off during application, painful insertion (e.g., blood, soreness, or redness at the application site) contact Abbott at (888) 963-8038
CGM Transmitter
FreeStyle Libre 2 Plus Sensor
Not applicable.
Insulin Pumps and Mobile Apps
FreeStyle Libre 2 Plus Sensor
Issues include errors that occur on the Tandem t:slim mobile app when attempting to activate the FreeStyle Libre 2 Plus sensor contact Abbott at (888) 963-8038.
Frequently Asked Questions
FreeStyle Libre 2 Plus
How is sensor glucose different than blood glucose?
The sensor reading updates every 1 minute, how does Control-IQ+ technology automate insulin?
Why do I see gaps in my CGM graph?
How do I know how many days are left with my sensor session?
How do I resume an active sensor session if my pump powers off?
Important Safety Information
RX ONLY. The t:slim X2 insulin pump with interoperable technology is intended for the subcutaneous delivery of insulin, at set and variable rates, for the management of diabetes mellitus in people requiring insulin. The pump is able to reliably and securely communicate with compatible, digitally connected devices, including automated insulin dosing software, to receive, execute, and confirm commands from these devices. The pump is intended for single patient use. The pump is indicated for use with NovoLog or Humalog U-100 insulin. The pump is indicated for use in individuals 6 years of age and greater. Users of the pump must: be willing and able to use the insulin pump and all other system components in accordance with their respective instructions for use; test blood glucose levels as recommended by their healthcare provider; demonstrate adequate carb-counting skills; maintain sufficient diabetes self-care skills; see healthcare provider(s) regularly; and have adequate vision and/or hearing to recognize all functions of the pump, including alerts. The t:slim X2 pump must be removed before MRI, CT, or diathermy treatment. Visit
tandemdiabetes.com/safetyinfo for additional important safety information.