Professional Diagnostics Built For The Modern Workshop

The THINKTOOL Expert 391 combines advanced OE-level diagnostics, modern CAN FD & DoIP protocol support, EV & Commercial vehicle add-on expansion capability and high-speed performance in a powerful workshop-ready platform.

Built for Workshop Efficiency

A scan tool should not slow you down.

The THINKTOOL Expert 391 uses the TCOS operating system, designed with a stronger interface hierarchy and higher fluency. The menu of commonly used diagnostic functions is simpler to operate, helping technicians move through jobs more efficiently.

Expand Your Workshop Capability

The THINKTOOL Expert 391 supports expansion with compatible modules and accessories, including:

• Battery testing service
• Endoscope service
• Oscilloscope service
• THINKCAR wireless tire pressure tool
  
• Key programmer
• Four-wheel aligner
• ADAS

This gives workshops room to grow their diagnostic capability over time.

ThinkTOOL Expert 391 Unboxing

ThinkTOOL Expert 391 Diagnostic Case Study

Buy With Confidence From AutoTech Workshop Solutions

Choosing the right diagnostic tool can be difficult. Vehicle coverage, functions, software updates and support all matter.

AutoTech Workshop Solutions helps you buy with confidence by offering practical advice before and after purchase. 

Before ordering, contact us if you want to confirm whether the THINKTOOL Expert 391 is suitable for your vehicle coverage needs.

When buying through AutoTech, you're protected with:

• 30-Day Money Back Guarantee
• 2 Years Free Software Updates
• 2-Year Australian Warranty

View Full Product Information | ThinkTOOL Expert 391 Features Guide

ThinkTOOL Expert 391 Specifications

Frequently Asked Questions

Does the THINKTOOL Expert 391 support CAN FD?

Yes. The THINKTOOL Expert 391 supports CAN FD protocol.

Does it support DOIP?

Yes. The THINKTOOL Expert 391 supports DOIP protocol.

Does it support J2534?

Yes. The THINKTOOL Expert 391 supports J2534 protocol.

Does it support online programming?

Yes. The THINKTOOL Expert 391 supports online programming on supported vehicles.

Does it support EV diagnostics?

Yes, EV battery pack diagnostic functions and 6 new energy maintenance software packages can be activated through the optional new energy expansion pack.

Is this suitable for professional workshops?

Yes. The THINKTOOL Expert 391 is designed for professional workshop and diagnostic use.

Can I check vehicle compatibility before buying?

Yes. Contact AutoTech Workshop Solutions before ordering and we can help check whether this tool suits your vehicle coverage requirements.