Once activated, the ThinkDiag transforms your smartphone into a professional-grade scanner capable of:
Basic code reading and clearing (usually free for life).
and an 8-digit activation code found on a paper in the original packaging or user manual. One-Time Use:
You can earn points by recommending products to others or participating in official Thinkcar Tech activities. 1 point = $1
Plug the device into your car's OBDII port and pair via Bluetooth through the app (not your phone's settings). Current Software Offers (April 2026)
