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TNM Guardian app for checking error codes, mileage, and VINs - powered by Carly.
The TNM Guardian app enables easy checking of error codes, mileage, and VINs. Developed by Carly for TÜVNord, the app offers precise diagnostic features and insights into vehicle status to identify and resolve potential issues early.What's New in the Latest Version 1.9.7
Last updated on Jul 17, 2025
- Improvements in core functions - check weekly newsletter for more details
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TNM Guardian
1.9.7 by Carly Solutions GmbH & Co KG
Jul 17, 2025