How do I attach a Dexcom G6 CGM transmitter? [video]

Watch the following video to learn how to attach a transmitter:

For the Dexcom G6 GCM, please follow these steps to attach a transmitter:

A) Take transmitter out of the box

B) Snap in transmitter

  1. Clean transmitter with alcohol wipe.
  2. Insert transmitter, tab first, into holder.
  3. Snap in transmitter. It clicks into place. Make sure it is flat and snug in holder.
  4. Rub around patch three times.

For more information and a step-by-step guide on how to attach a transmitter, please consult the G6 Start Here Guide (Step 3):

Dexcom G6 Start Here Guide >

Important note about Dexcom support:

For "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

If you have paired a Dexcom CGM with your Tandem insulin pump, and your question isn't answered in this help section, you should contact Tandem customer technical support for all other issues by calling (877) 801-6901.

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