Thinkcar Thinktool Expert 391 Diagnostic Scan Tool

THINKTOOL Expert 391 Professional Diagnostic Scan Tool

The THINKTOOL Expert 391 is Thinkcar’s latest-generation professional diagnostic scan tool, designed for workshops, mechanics, auto electricians, and diagnostic specialists who need OE-level diagnostics, coding, bi-directional controls, and online programming capabilities in a single platform.

Powered by Thinkcar’s advanced TCOS operating system, the Expert 391 delivers fast performance, an intuitive interface, and extensive vehicle coverage. Equipped with the latest THINKLINK Lite VCI, it supports modern communication protocols including CAN FD, DoIP, J2534 Pass-Thru, and CAN 2.0, ensuring compatibility with the newest vehicle models.

Key Features

OE-Level Full System Diagnostics

Access every available control module on supported vehicles, including:

• Engine
• Transmission
• ABS
• Airbag (SRS)
• Body Control Module (BCM)
• TPMS
• HVAC
• Immobiliser
• Instrument Cluster
• And more

Read and clear fault codes, view live data, perform active tests, access special functions, and carry out advanced diagnostic procedures with dealer-level functionality.

Online Programming & ECU Coding

The THINKTOOL Expert 391 supports advanced online programming and coding functions for a wide range of vehicle manufacturers, allowing technicians to:

• Replace and configure ECUs
• Enable hidden functions
• Modify vehicle settings
• Perform module coding
• Update vehicle software

Supported brands include BMW, Mercedes-Benz, Volkswagen Group, Porsche, Land Rover, Jaguar, Hyundai, Kia, Nissan, Honda, Renault, Subaru, and many others.

Bi-Directional Control (Active Tests)

Perform component activation tests directly from the scan tool to diagnose faults faster and more accurately.

Common active tests include:

• Fuel pump activation
• Cooling fan testing
• Injector testing
• Window operation
• Door lock control
• Relay activation
• Throttle body testing
• Air conditioning actuator testing

Reduce diagnostic time and avoid unnecessary parts replacement.

Remote Diagnostics Support

The Expert 391 supports cloud-based remote diagnostics, allowing workshops to connect with experienced technicians for:

• Advanced diagnostics
• ECU coding
• Programming assistance
• ADAS support
• Immobiliser and security functions
• Complex troubleshooting

This feature can help workshops complete repairs that would otherwise need to be outsourced.

42+ Service & Maintenance Functions

The Expert 391 includes an extensive range of service functions, including:

• Oil Service Reset
• Electronic Park Brake (EPB) Reset
• Steering Angle Sensor (SAS) Calibration
• DPF Regeneration
• Injector Coding
• Battery Registration (BMS)
• TPMS Reset
• ABS Bleeding
• Throttle Body Adaptation
• EGR Adaptation
• Air Suspension Reset
• Window Calibration
• Sunroof Calibration
• Transmission Adaptation
• Start/Stop Reset

And many more.

Extensive Vehicle Coverage

Passenger Vehicles

Supports diagnostics for over 120 vehicle manufacturers, including Asian, European, American, and Australian market vehicles.

Electric & Hybrid Vehicles (Optional)

Optional EV software expands coverage to more than 70 electric and hybrid vehicle brands, providing access to battery management systems and EV-specific diagnostics.

Heavy-Duty Truck Diagnostics (Optional)

Optional heavy-duty software provides coverage for over 150 commercial vehicle brands, making the Expert 391 suitable for mixed automotive and truck workshops.

Powerful Hardware

Built to withstand demanding workshop environments, the THINKTOOL Expert 391 features:

• 10.1" High-Resolution IPS Touchscreen
• 1280 × 800 Display Resolution
• High-Performance Quad-Core Processor
• 4GB RAM
• 128GB Internal Storage
• 13MP Rear Camera with Flash
• Dual-Band Wi-Fi Connectivity
• 12,600mAh Rechargeable Battery
• Rugged Workshop-Ready Construction

The combination of powerful hardware and the TCOS operating system ensures smooth performance and rapid vehicle communication.

THINKLINK Lite VCI Included

Included with the Expert 391 is the latest THINKLINK Lite VCI, supporting:

• CAN 2.0
• CAN FD
• DoIP
• J2534 Pass-Thru

This future-proofs your workshop against evolving vehicle communication technologies and provides compatibility with modern vehicle platforms.

Expand Your Workshop Capabilities

The Expert 391 can be expanded with a range of optional Thinkcar accessories, including:

• ADAS Calibration Systems
• Oscilloscope (Scope Box)
• Video Inspection Scope
• TPMS Diagnostic Tools
• Battery Testers
• Key Programming Equipment
• PROG ECU Programmer

Create a complete workshop diagnostic solution tailored to your business requirements.

What's Included

• THINKTOOL Expert 391 Diagnostic Tablet
• THINKLINK Lite VCI
• OBD-II Diagnostic Cable
• Charging Adapter
• USB Cables
• Carry Case
• User Manual

Why Choose the THINKTOOL Expert 391?

The THINKTOOL Expert 391 combines powerful OE-level diagnostics, ECU coding, online programming, bi-directional testing, and extensive vehicle coverage into one professional-grade platform.

Whether you're an automotive workshop, mobile mechanic, auto electrician, fleet maintenance provider, or diagnostic specialist, the Expert 391 delivers the tools needed to diagnose faults faster, complete repairs more efficiently, and keep more work in-house.

With support for the latest vehicle communication protocols and ongoing software updates, the THINKTOOL Expert 391 is a future-ready investment for serious automotive professionals.

Why Buy From Premium Diagnostic Equipment?

✔️ Free Shipping Australia-Wide

✔️ 2 Year Warranty and Free Updates Included

✔️ 30-Day Money Back Guarantee

✔️ Australian Support Team – We're Here to Help