If you received a Failed Sensor error after the 2-hour warmup period, you will need to replace your sensor. To report a sensor failure AFTER the 2-hour warmup period, visit tandemdiabetes.com/G6Form.
For G6 sensor failures DURING the 2-hour warmup period, please use the Dexcom Product Support Request Form instead.
For instructions on how to insert a Dexcom G6 Sensor, click here.
Did you know that Dexcom offers free overpatches to provide extra protection and durability for their CGM sensors? You can order these overpatches here: Overlay Patch Form.