Shopping security
The THINKTOOL 394 combines advanced OE-level diagnostics, AI-powered diagnostic assistance, EV capability including Tesla software, online programming support and premium hardware in one professional workshop platform.
View Full Product Information | ThinkTOOL Expert 394 Features Guide

The THINKCAR Expert 394 AI diagnostic model can understand user intent, provide customers with easier-to-use and smarter diagnostic experience in common diagnostic functions such as diagnostic navigation, intelligent reporting, FQA, DTC, etc., and improve work efficiency in diagnostic scenarios.
The automotive industry is centred around the cost of labour, time saved = higher margins. With that in mind, ThinkCAR's TCOS system is centred around creating efficient workflows that save you time.

Equipped with a 6.54-inch 720*1600 resolution high-brightness touch screen and 1GB RAM & 8GB ROM.
Supports mainstream diagnostic protocols such as CAN 2.0/CAN FD/DOIP/J2534, covering passenger cars, commercial vehicles* and new energy vehicles.
Supports dual-band WiFi and Gigabit Ethernet communications, greatly improving the stability and efficiency of local and remote diagnosis.
After the VCI is connected to the vehicle, it communicates with the host autonomously and enters the diagnosis.
Equipped with dual-core 1.3GHz Renesas automotive-grade processor, 1GB + 8GB RAM, and high-real-time LINUX system, diagnosis is safer, more stable, and faster.
EV Battery pack diagnostic
For new energy vehicle battery packs, battery modules for professional diagnostic testing, and provide multi-mode diagnostics including:
It can also analyse the voltage, temperature, differential pressure and other important data of the battery cells in real time to help users to accurately locate the battery faults and provide guidelines for battery diagnosis, testing and maintenance.
THINKTOOL 399 & 394 comes standard with battery pack diagnostic function, 6 new energy maintenance software, new energy EV models with the highest software.
Hardware non-standard connectors are not standard, please purchase separately if needed.
THINKTOOL 399 & 394 support split-screen for multi-application use.
Through the [Quick Launch] bookmark at the top right of the interface, you can open the list of apps that support split-screen.
Select the app to open the second screen on the right side in the form of split-screen.
Drag the junction of the first and the second screen left and right to adjust the ratio of the screen, and it supports the three kinds of display ratios, namely, [1:2], [1:1], [2:1].
VCI Real time display on device
Use the [Quick Launch] bookmark at the top right of the interface to hit the application list.
Select the [VCI] real time display function to view the key data of the connector interface in a split screen.
THINKTOOL 399 & 394 & 391 supports the function of switching the theme of the device to [Indoor Mode] and [Outdoor Mode].
Supports the operator to adjust the interface theme color according to the lighting conditions of different scene.
Operate by clicking the shortcut button through the drop-down pop-up window of the device.
Switch the theme through [Settings] → [System Settings] → [Display Settings].
Choosing the right diagnostic tool can be difficult, especially when vehicle coverage, functions, software and future workshop needs all matter.
AutoTech Workshop Solutions can help you confirm whether the THINKTOOL Expert 394 is suitable for your workshop, vehicle coverage requirements and diagnostic needs before you purchase.
Yes. The original THINKCAR AI diagnostic model can understand user intent, provide customers with easier-to-use and smarter diagnostic experience in common diagnostic functions such as diagnostic navigation, intelligent reporting, FQA, DTC, etc., and improve work efficiency in diagnostic scenarios.
Yes. The THINKLINK PRO supports mainstream diagnostic protocols such as CAN 2.0/CAN FD/DOIP/J2534.
Yes. The ThinkTOOL Expert 394 Supports remote diagnosis.
Yes. THINKTOOL 399 & 394 comes standard with battery pack diagnostic function, 6 new energy maintenance software, new energy EV models with the highest software.
Yes. THINKTOOL 399 & 394 support split-screen support for opening other applications via the second screen.
Yes. The key data of VCI is synchronised to the host in real time. It is convenient to check the VCI operation status during the diagnosis process.
Yes. Support the expansion of ADAS calibration services, complete TPMS services, and key programming services.*
The package includes the THINKTOOL 394 host device, THINKLINK PRO VCI, charging accessories, connection cables, OBDI connectors, fuses, Quick Start Manual and Packing List.
View full specifications here.
*Add-on required, contact us for more information.
The THINKTOOL Expert 394 combines the THINKCAR AI Diagnostic Model, THINKLINK PRO, TCOS system, split screen, VCI Display, remote diagnosis, EV diagnostic capability and high-performance hardware in one professional diagnostic platform.
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order