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Do you get scared when the warning light comes on? Whether it’s an antilock brake alert or a battery alert, there are alarming warning lights. When you have a THINKDIAG, you have ease of mind because you can quickly scan for the issue.

THINKDIAG is an automobile diagnostic tool with professional-grade functions. It is much more cost-effective when comparing with its counterparts Bluetooth OBD2 scanners. Plug the THINKDIAG dongle into your car, connect it to your smartphone via Bluetooth, and your smartphone will become a professional diagnostic tool. This Bluetooth code reader is the smallest but powerful diagnostic scan tool which has 15 maintenance functions, advanced ECU coding, accurate Bidirectional control functions, enhanced tests for a full electronic control system, full OBD II, and EOBD functions.

  • More OE-level functions. Active TTest, ECU Coding, full systems diagnoses, up to 28 maintenance reset services, full OBD2 functions, auto VIN scan., DPF regens, & more
  • Full OBD2 10-mode functions. Detect emission-related problems directly
  • Diagnostic report. Share an automatically generated diagnostic report instantly via email or to the THINK Community
  • Exclusive app. THINDIAG app ensures a stable & reliable in-app Bluetooth connection
  • Wide compatibility. Covers 115 major vehicle manufacturers on the market today


  • Model: TKDIAG
  • Color: black
  • Dimensions: 4"H x 2"L x 1"W
  • ECU coding
  • Reset services: 28
  • MIL Turn-off
  • Fast & easy Auto VIN scan
  • No subscription needed
  • Full OBD2 functions: 10
  • Active tests/bi-directional control
  • All systems diagnoses
  • Manufacturer's 1-year limited warranty


  • THINKDIAG Bi-Directional Diagnostic Scanner


  • Ships to Contiguous US
  • Expected Delivery: Jan 30 - Feb 4


  • Returns accepted within 30 days of shipment for orders within the Contiguous US.