THINKSCAN 689BT Bidirectional Scan Tool - Fast Wireless Diagnostics

Our review of the THINKSCAN 689BT finds it best suited for professional mechanics and serious DIYers who need a fast, OEM-level diagnostic tool without ongoing subscription fees. The single biggest reason to buy is its combination of full bi-directional controls and ECU coding on a responsive Android 10 platform, which lets users run active tests and change vehicle settings quickly compared with older handheld scanners.

Key Features

• Immediate use: The unit is ready to use when powered on, avoiding a complicated registration process and saving setup time.
• Powerful hardware: Android 10 with a 4-core CPU, 4GB RAM and 64GB ROM delivers noticeably faster diagnostics and smoother navigation than legacy scanners.
• Bi-directional and active tests: Perform 3000+ active tests such as EVAP, injector buzz, window and mirror tests to diagnose and exercise components without vehicle controls.
• ECU coding and advanced functions: Coding, power balance, flash hidden functions and adaptive resets enable customizing OE-level settings when supported by the vehicle.
• Wide service coverage: Includes 34+ service functions like Oil Reset, EPB, BMS, SAS Calibration and more across 140+ brands and worldwide vehicles.
• Wireless updates with no fees: Lifetime wireless updates are included with the device, keeping software current without additional subscription costs.

Who It's For

The 689BT is tailored to independent repair shops, professional technicians and experienced DIYers who need comprehensive all-system diagnostics and active control functions that approach OE capability. Its speed and tablet-like interface make it a practical daily tool for those performing frequent diagnostics and coding.

Less suitable are casual car owners who only need basic OBD2 code reading and resetting; the 689BT offers many advanced features that may be unnecessary for occasional use and require some technical knowledge to apply coding and system matching safely.

Pros & Cons

Pros

• Comprehensive all system diagnostics with CAN FD and DoIP support for faster communication.
• Extensive active testing and 34+ service functions that improve troubleshooting and service efficiency.
• No subscription wireless updates and substantial on-board memory for smooth operation.
• ECU coding and customization features expand capability beyond basic code readers.

Cons

• Advanced features like FCA AutoAuth require separate manufacturer account and fees for some operations, adding complexity for certain vehicles.
• Used units may sometimes be resold without inspection; buyers should be prepared to seek an exchange if that occurs.

Specifications

Our Verdict

The THINKSCAN 689BT is a strong value for technicians who need OE-level diagnostics and active control features without recurring update fees. It pairs fast hardware with broad service coverage and coding tools that pay for themselves for frequent users, while occasional owners may find its capabilities more than required.

Frequently Asked Questions

Does the 689BT receive free updates?
Yes. The unit supports wireless updates with no subscription fees included with the device.

Can it perform ECU coding on all cars?
ECU coding and advanced functions are supported but vary by model and year; compatibility should be checked before attempting coding.

Is FCA AutoAuth included?
The device provides a login and purchase portal for FCA AutoAuth, but FCA account registration and applicable membership fees are required to perform those diagnostics.