If you completely downloaded a specific vehicle manufacturer pack (e.g., Honda) while online, you can read and clear codes for that vehicle offline.
Certain "High-Level" functions, such as SCN coding for Mercedes or online programming for VAG group vehicles, require a direct link to the manufacturer's server. This cannot be done offline. thinkdiag offline
The Thinkdiag (including the Thinkdiag 2) has revolutionized the automotive diagnostic market, offering professional-level functionality at a hobbyist price point. A frequently asked question by technicians and DIYers is: If you completely downloaded a specific vehicle manufacturer
The official ThinkDiag scanner is designed to work in conjunction with a smartphone app. According to official sources, the device itself requires an active Bluetooth connection to your smartphone. However, the question of an internet connection is more nuanced. Honda) while online