Description
Powerful diagnostics with online programming. Runs on TCOS for a smooth, intuitive experience. Ideal for professional workshops.
Key Specs
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Screen: 10″
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Storage: 128GB ROM / 4GB RAM
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Camera: 13 MP rear with flash
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Battery: 12,600 mAh
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Maintenance Functions: 42
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OS: TCOS
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Optional: Heavy-Duty Mode
Product Description
A powerful diagnostic tool with online programming, supporting 120+ passenger vehicles. The TCOS operating system delivers an optimized interface for faster, easier operation
What’s New
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Online programming – multi-brand coding and programming
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TCOS OS – smoother interface and performance
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Dual video remote diagnostics – audio/video support from remote technicians
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Upgraded hardware – 10″ screen, 128GB/4GB, 13MP rear camera with flash
Key Features
Online Programming Tool
Perform advanced coding and module programming across a wide range of brands.
Dual Video Remote Diagnostics
Connect with cloud technicians via audio or video for diagnosis, programming, anti-theft matching, ADAS calibration, and more.
THINKLINK Lite VCI Included
Supports CAN 2.0, CAN FD, DOIP, and J2534 protocols. Works with 300+ passenger, EV, and heavy-duty vehicles.
OE-Level Full System Diagnostics
Full system scan, actuation tests, coding, and online programming.
42 Maintenance Functions
Includes oil reset, brake pad reset, battery matching, DPF regeneration, injector coding, and more.
Who It’s For
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Workshops needing online programming
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Technicians working on BMW, Mercedes, VW/Audi
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Multi-brand service centres
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Shops requiring remote diagnostic support
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Auto electricians handling advanced coding
Vehicle Coverage
Supports 120+ passenger vehicles. With THINKLINK Lite VCI, covers 300+ passenger, EV, and heavy-duty vehicles (HD mode optional). Protocols: CAN 2.0, CAN FD, DOIP, J2534.
What’s in the Box
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THINKTOOL Expert 391 main unit
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THINKLINK Lite VCI
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OBD2 diagnostic cable
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USB charging cable
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Power adapter
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Quick start guide
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Carry case









