Thread: How to find serial number of Garmin Data Card?

Depending on which Garmin GPS Model you have, you can place the card in the unit and press and hold the little battery icon until the diagnostic screen comes up. You may have to scroll thru a couple of screens, but sooner or later you will see the Serial number ID which is usually 10 digits long.

Be sure not to confuse the CID which you get thru the diagnostic screen with the "Unit ID" which you can get thru the "About" info screen. They are two different things.

If you do not have a Garmin model capable of this (mostly older models), there used to be info floating around the net explaining other ways to get the CID, but I haven't seen them around for a while.

If you do run across info on how to get the CID (Card ID) without using the GPS, please post a link or the info here so we can all benefit from the knowledge.

Catymag has all of this info in a great guide so do a search of the forum to find it. I have just repeated her info.

Good Luck.

***OOPS... I see Catymag beat me to the punch and gave you the info.***