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What do I do if I receive the Sensor Failed alert?

Last Updated: June 18, 2020

If you are receiving a Sensor Failed Alert on your Dexcom G6 and your inserted sensor will no longer give CGM values, please remove the failed sensor. Insert a new sensor and contact Tech Support (available 24/7) at dexcom.com/tech-support or call 1-844-607-8398.

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Request Sensor Overpatches

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Available Monday - Sunday, 7AM - 9PM (PDT)

Dexcom G6 CGM System Guides

Need Additional Help?

Submit a Tech Support Request

Request Sensor Overpatches

Chat Live with Tech Support

Available Monday - Sunday, 7AM - 9PM (PDT)