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"Chart Data Locked" or "TERPs Data Locked" appears when attempting to display charts on a Garmin MFD.

Created Date:

Feb 2025

Article ID:

000001203

Version:

Environment:

Avionics System/GPS

Document Type(s):

ERROR:
Unable to access Jeppesen charts on a Garmin MFD unit, and the following message appears on the database screen:

Chart Data Locked

TERPs Data Locked

CAUSE:
Using a charts subscription for a different make/model. For example, using a Garmin 695/696 charts subscription on a Garmin aera 795/796, or a G3X subscription on a G3X Touch.

RESOLUTION:
Make sure the electronic charts subscription being downloaded and programmed to the SD card is for the correct Garmin MFD.

CAUSE:

This can occur if a System ID has been assigned to the service that does not match the System ID (sometimes called Unit ID) of the unit.

If a System ID has been assigned to the charts service, make sure it matches the System ID (or Unit ID) on the unit.

User-added image

How to find the software version and System ID of a Garmin device

RESOLUTION:

Contact our Sales Support team or log into your account on shop.jeppesen.com to change the System ID associated with your service(s).

How to add or edit a System ID on the shop.jeppesen.com website

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