THINKCAR T391 Diagnostic Scanner – 10.1″ TCOS, 4GB/128GB, ThinkLink VCI, Topology & 41 Services | 2-Year Warranty & 3-Year Software Updates
The THINKCAR T391 is a 2025-generation professional diagnostic device built around THINKCAR’s TCOS interface. It pairs a 10.1-inch workshop tablet with a screen-equipped vehicle communication interface for full-system diagnosis, topology mapping, maintenance and advanced service work.

Why Choose This Tool?
The T391 is designed for technicians who want a professional multi-brand platform with a straightforward 10.1-inch form factor, strong battery capacity and modern diagnostic workflow. Intelligent VIN identification and topology views help reduce menu navigation and make system status easier to understand.
Diagnostic & Service Capabilities
- Smart Scan, camera VIN recognition and manual VIN entry
- System topology, system list and high-speed scan on supported vehicles
- Read/clear faults, live data, special functions and supported programming
- 41 common maintenance and reset functions
- Can Bus pin detection and diagnostic reporting tools
Hardware & Connectivity
| Operating System | TCOS |
|---|---|
| Display | 10.1″, 1280×800 |
| RAM / Storage | 4GB / 128GB |
| Battery | 12,600mAh / 3.8V |
| Rear Camera | 13MP |
| VCI Screen | 2.8″, 240×320 |
| VCI Connectivity | Ethernet and USB-B data connection for stable communication |
Ideal Workshop Applications
- Professional full-system vehicle diagnosis
- Topology-based fault finding and pre/post scans
- Maintenance, adaptation and calibration procedures
- Supported programming and module service work
Compatibility & Package Notes
Programming, ADAS calibration and special functions are shown by the platform only where the selected vehicle and activated software support them.
Before ordering: Vehicle coverage, coding, programming, active tests and service functions can vary by make, model, year, ECU, region and software authorization. Contact Automax Tools with the VIN or exact vehicle details if you need confirmation for a specific function.
Professional Workshop Supply from Automax Tools
Supplied by Automax Tools for professional garages, diagnostic technicians, mobile mechanics and automotive service businesses in the UAE, GCC and international markets.
Warranty: 2 years. Software updates: 3 years included with this scanner.



























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