The ThinkTool 191 is a high-performance, 8-inch professional diagnostic device built on the stable TCOS operating system. Designed for modern workshops, it features a thinner, lighter design and a powerful quad-core processor that is up to 5x faster than previous generations.

This advanced tool provides OE-level full-system diagnostics and supports the latest vehicle communication protocols, including CAN-FD and DoIP. With 3 years of free software updates and a 2-year hardware warranty, it offers unmatched long-term value for professional technicians.

Comprehensive Brand & System Coverage

The ThinkTool 191 supports over 160 automotive brands, covering nearly 100% of the modern vehicle fleet.

• Full System Diagnostics: Accesses all electronic modules, including ECM (Engine), TCM (Transmission), ABS (Braking), SRS (Airbag), BCM (Body), IMMO (Immobilizer), TPMS, and more.

• Global Compatibility: Supports a wide range of manufacturers from America, Europe, and Asia, including luxury and electric vehicle (EV) brands.

• FCA AutoAuth: One-key to unlock secure gateways for newer Fiat, Chrysler, and Alfa Romeo vehicles.

Advanced Workshop Functions

Equipped with 35+ maintenance service functions and professional-grade capabilities:

• Advanced ECU Coding: Match and code new ECUs after replacement, or unlock hidden features like window auto-up and lighting customization.

• Bi-Directional Control (Active Tests): Send commands directly to test components like fuel injectors, coolant pumps, windows, and windshield wipers.

• Core Maintenance Resets: Includes ABS Bleeding, Oil Service Reset, DPF Regeneration, Battery Matching, Injector Coding, Throttle Relearn, EPB Reset, and SAS Calibration.

• Expansion Ready: Supports optional Thinkcar modules, including TPMS programmers, videoscopes, oscilloscopes, and battery testers.

Quick User Manual: Setting Up Your ThinkTool 191

1. Charging & Power: Charge the device using the included USB-C cable. Press and hold the power button for 3 seconds to turn it on.

2. Network Setup: Connect to a stable Wi-Fi network to access updates and online coding features.

3. VCI Connection: Plug the ThinkTool 191 Bluetooth VCI into the vehicle's OBDII port. Ensure the vehicle's ignition is in the ON position.

4. Auto-VIN Scan: Use the AutoSearch function to automatically identify the vehicle's VIN, manufacturer, and year.

5. Diagnostic Report: After scanning, the device automatically generates a detailed report that can be saved or shared with customers via email.