The VNCI MDI2 Diagnostic Interface for GM is a next-generation diagnostic tool designed specifically for GM, Chevrolet, and VinFast vehicles, supporting CAN, CAN FD, and wireless (WiFi) communication protocols. Fully compatible with Techline and SPS2 software, it enables technicians to read and clear fault codes, perform ECU programming, and update control modules efficiently and reliably.
When purchasing from VCCarTool, you’ll receive complete software setup assistance, driver configuration, and connection guidance, ensuring your device is ready to use right out of the box.

About VNCI MDI2 Diagnostic Interface for GM
The VNCI MDI2 is an advanced diagnostic interface designed to replace the original GM MDI2 device. It maintains full compatibility with GM OEM software, including Techline Connect and SPS2, while offering a more affordable and lightweight alternative.
Built with high-speed data transfer capability and support for the CAN FD protocol, the VNCI MDI2 allows users to perform complete vehicle diagnostics, module programming, ECU flashing, and system configuration for modern GM and VinFast vehicles.
Its wireless connection (WiFi) provides flexibility for workshops, reducing cable clutter and improving mobility during diagnostics. Compact, durable, and efficient — the VNCI MDI2 is an ideal tool for professional technicians and independent workshops seeking reliable performance and cost efficiency.
Technical Specifications VNCI MDI2 Diagnostic Interface
| Category | Details |
|---|---|
| Device Name | VNCI MDI2 Diagnostic Interface |
| Category | GM Hardware |
| Supported Software | Techline Connect, SPS2 |
| Supported Model Years | Compatible with GM vehicles from 2010 to present |
| Communication Protocols |
|
| Wireless Connection | Supported (WiFi Connection) |
| Connectivity Options | USB / WiFi |
| Compatibility | Works with OEM-level GM diagnostic and programming systems |
| Primary Functions | Diagnostic scanning, ECU programming, module replacement, system coding |
| Design | Compact, portable design with stable data transfer |
| Power Supply | Via OBDII or USB connection |
| Supported Vehicles | GM, Chevrolet, VinFast |
| Warranty | Hardware warranty provided by VCCarTool |
Key Features VNCI MDI2 Diagnostic Interface
- Full Compatibility with GM Software – Supports both Techline Connect and SPS2, enabling comprehensive diagnostics and ECU programming for GM vehicles.
- Advanced Communication Protocols – Equipped with CAN FD and standard CAN protocols for faster and more stable data transfer.
- Wireless Connection Support – Allows WiFi connection between the device and computer, providing flexible operation without the need for cables.
- High Performance – Optimized for speed and reliability, ensuring accurate communication during programming and diagnostics.
- Wide Vehicle Coverage – Compatible with GM, Chevrolet, and VinFast vehicles, supporting models from 2010 to present.
- Plug-and-Play Design – Easy to set up and operate with user-friendly software integration.
- Durable Build – Compact, lightweight housing designed for long-term workshop use.
- Power Supply Options – Can be powered directly via OBDII port or USB, no external power adapter required.

Compatible Software & Supported Vehicles
Compatible Software:
- Techline Connect – Provides complete diagnostic and programming capabilities for GM vehicles.
- SPS2 (Service Programming System 2) – Enables ECU flashing, module replacement, and vehicle software updates.
Supported Vehicle Brands:
- General Motors (GM)
- Chevrolet
- VinFast
Supported Model Years: Compatible with vehicles from 2010 to the present.
The VNCI MDI2 Diagnostic Interface provides reliable connectivity with GM’s latest software systems, ensuring seamless communication for diagnostics, coding, and ECU programming.
Why Choose to Buy VNCI MDI2 Diagnostic Interface from VCCarTool
When purchasing the VNCI MDI2 Diagnostic Interface from VCCarTool, you receive more than just the device — you get complete setup support and long-term service to ensure smooth operation from day one.
- Genuine & Tested Products: All VNCI MDI2 units are 100% genuine, tested before delivery, and verified for full compatibility with GM software systems.
- Professional Remote Installation Support: Our technical team assists you remotely via TeamViewer or UltraView, helping you install software, configure drivers, and ensure proper communication with TECHLINE and SPS2 systems.
- Lifetime After-Sales Support: We provide continuous software assistance, updates, and troubleshooting for the lifetime of your product.
Warranty Policy
- Warranty Duration: 6 months for hardware (covering manufacturing defects under normal usage conditions).
- Software Support: Lifetime software support for installation, activation, and connection setup.
- Warranty Process: If any hardware issue occurs during the warranty period, we will repair or replace the product after a verification process.
Shipping & Delivery
- Global Shipping: We deliver worldwide through trusted carriers such as DHL, FedEx, or UPS.
- Processing Time: Orders are processed and tested before shipping, typically within 1–2 business days after payment confirmation.
- Packaging & Tracking: Each device is carefully packed with shock-resistant materials and includes a tracking number for full shipment visibility.
The VNCI MDI2 Diagnostic Interface is the perfect solution for technicians and workshops working with GM vehicles, offering stable performance, reliable connection, and full compatibility with TECHLINE and SPS2 software. When you purchase from VCCarTool, you don’t just receive a diagnostic tool — you gain a complete support ecosystem that includes expert installation help, lifetime technical assistance, and global shipping service.
Whether you’re upgrading your workshop or enhancing your GM diagnostic capabilities, VNCI MDI2 from VCCarTool ensures professional quality, long-term reliability, and total peace of mind.

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