THINKDIAG, a product line by Thinkcar Tech, offers professional-grade OBD2 Bluetooth diagnostic scanners that turn smartphones into powerful vehicle maintenance tools.
THINKDIAG is a premier brand of automotive diagnostic tools manufactured by Thinkcar Tech. Designed for both professional mechanics and DIY enthusiasts, THINKDIAG devices transform standard smartphones (iOS and Android) into OE-level diagnostic scanners via Bluetooth. The flagship THINKDIAG dongle supports full-system diagnostics, ECU coding, active testing, and over 16 special maintenance functions tailored to a wide range of vehicle manufacturers.
The brand focuses on portability and ease of use, eliminating the need for bulky diagnostic computers while providing deeply detailed vehicle health reports. Users manage their devices through the dedicated ThinkDiag App, which allows for software downloads, real-time data monitoring, and firmware updates. Thinkcar Tech, the parent company, provides robust customer support and regular software updates to cover new vehicle models.
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A continuous green light means the device is powered on. A continuous blue light indicates Bluetooth is connected. A flashing blue light means data communication is in progress. A continuous red light signals that a firmware upgrade was successful or failed.
The ThinkDiag App supports smartphones running Android 5.0 and above, or iOS 9.0 and above. It is not compatible with Windows PCs.
Yes. When connected via Bluetooth, the app automatically checks for the latest firmware version and will perform an upgrade if necessary.
After registering an account in the ThinkDiag App, use the Serial Number and 8-digit Activation Code provided in your package to activate the device.
ThinkDiag supports full system diagnostics, OBDII diagnostics, and 16 special functions including Oil Reset, DPF Regeneration, ABS Bleeding, Injector Coding, and SAS Reset.