Truma Diagnose Tool is a diagnostic utility for testing and troubleshooting Truma heating, cooling, and control systems typically installed in caravans and motorhomes. It helps service technicians and advanced users identify faults, read error codes and live sensor values, run component checks, and create clear service reports. Where supported, it can also assist with configuration verification and firmware or parameter updates, helping reduce downtime and repeat visits. The tool generally requires a compatible Truma interface/cable and is intended for use by trained personnel. Supported features and models may vary by system and software version; consult your service documentation for details.
Truma Diagnose Tool is developed by Truma Geraetetechnik GmbH & Co. KG. The most popular version of this product among our users is 1.0. The names of program executable files are ErrExplorer.exe, StartDisplay.exe.
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