Change History
GPSMAP 1523/1543/1553 software version 42.04
as of February 4, 2026
Changes made from version 42.03 to 42.04:
- Fixed an issue that could cause the device to reboot when receiving certain NMEA 2000 data from some third-party devices.
Changes made from version 41.05 to 42.03:
- Added the ability to categorize video sources into different categories.
- Added a smart target to the navigation charts for sailboats.
- Fixed imprecise Sonar shift and cone width calculations.
- Fixed untranslated text in some languages.
- Improved appearance of Rapid Return image.
- Added the ability to change the date via arrow buttons on the Celestial page.
- Extended the number of items whose brightness can be individually adjusted on the Radar pages.
- Fixed Anchor Alarm visibility.
- Added support for Yamaha 26MY features.
- Improved the error messages displayed during software update troubleshooting.
- Fixed issue causing occasional freezes while saving sonar recordings.
- Improved the error messages presented during transducer troubleshooting.
- Other bug fixes and improvements.
Changes made from version 40.04 to 41.05:
- Added support for collecting sonar readings while sonar display is paused.
- Added support for configuring Track settings on a connected inReach device.
- Added support for viewing the status of a message on a connected inReach device.
- Added support for automatically sending vessel data to emergency services when an inReach SOS is declared.
- Improved MARPA tracking performance and reliability.
- Improved the user experience on gauge pages by hiding the navigation buttons after a period of inactivity.
- Fixed prompting for SD card after every reboot.
- Fixed inconsistent engine labels across different pages.
- Changes to improve product security.
- Fixed an issue that could cause the device to reboot when viewing certain Garmin approved third-party charts.
- Other bug fixes and improvements.
Changes made from version 40.02 to 40.04:
- Improved privacy for EU RED Cybersecurity compliance.
- Other bug fixes and improvements.
Changes made from version 39.01 to 40.02:
- Added support for connecting to a Fusion RA800 device.
- Added vertical versions of Yamaha Troll and Autopilot overlay bars.
- Added new voice commands for Trolling Motor functions including Cruise Control, Heading Hold/Adjust, Prop Speed, Anchor Lock, and Directional Jog.
- Added new voice commands to show a saved favorite page.
- Added graphical representation for Polar Tables and a scale factor setting for polar table data.
- Added support for MAN engines.
- Added 'dot' draw type for AIS target trails.
- Added support for the Sionyx Nightwave Digital camera.
- Other bug fixes and improvements.
Changes made from version to 39.01: