1. Introduction
The VXDIAG VCX NANO NX600 is a professional diagnostic tool designed for GM, Opel, Buick, Chevrolet, and Cadillac vehicles manufactured between 2005 and 2020. This device functions as a Vehicle Communication Interface (VCI), supporting J2534 programming, ECU coding, active tests, and comprehensive all-system diagnostics. It offers lifetime free updates for its license and firmware.
Note: This device is a hardware component. Software is not provided and must be sourced independently. We do not provide online accounts for programming services.

Figure 1: VXDIAG VCX NANO NX600 Device Overview
2. Specifications
| Feature | Description |
|---|---|
| Model Name | VCX NANO For GM |
| Hardware Version | VXDIAG NANO |
| Software Version | Lifetime Free Update |
| Communication Interface | Wi-fi, USB |
| Supported Protocol | SAE J2534 Protocol, ISO 22900 MVCI & D-PDU |
| Applicable Vehicle Years | 2005-2020 for GM car |
| Supported Car Brands | Chevrolet, Cadillac, Saab, Opel, Buick |
| Item Type | Car Diagnostic tool |
| Material | Plastic |
| Voltage | 7-32V DC 1A |
| Power Consumption | Below 1W |
| Processor | 32 Bit High-Speed ARW Processor |
| RAM | 64KB |
| Flash | 512KB |
| External Testing Certification | CE |
| Item Weight | 0.3kg |
| Item Dimensions (L x W x H) | 9cm x 8cm x 5cm |
3. Setup Guide
3.1 System Requirements
- Operating System: Windows 7 (32-bit), Windows 7, or Windows 10. (Home editions are not supported).
- Connection: USB port for wired connection.
3.2 Hardware Connection
- Connect the OBD2 Extension Cable to your vehicle's OBD-II port.
- Connect the other end of the OBD2 Extension Cable to the VXDIAG VCX NANO device.
- Connect the VXDIAG VCX NANO device to your laptop using the provided USB cable.

Figure 2: J2534 Programming Connection Diagram
3.3 Software Installation
The VXDIAG VCX NANO requires specific diagnostic software to function. While the device itself is hardware, the necessary software (e.g., for GM, Opel) must be acquired and installed separately. Once the software is installed, you will typically use the 'VX-Manager' driver application to manage the device and its licenses.
Important: We do not provide the diagnostic software or online accounts. Please ensure you obtain the software through legal channels.
4. Operating Instructions
The VXDIAG VCX NANO NX600 offers a wide range of diagnostic and programming capabilities:
4.1 ECU Programming & Coding
This function allows for advanced vehicle customization and repair:
- Online/Offline Programming: Supports programming and coding within the online Service Programming System (SPS).
- ECU Software Upgrade and Calibration: Update and fine-tune ECU software.
- ECU Replacement Flashing and Programming: Flash new or replacement ECUs.
- Modifications: Customize vehicle settings.
- ECU Matching: Ensure proper communication and function between ECUs.
- Refresh Hidden Features: Unlock features not enabled by default.
- Activate High-End Features: Enable advanced functionalities.
- Customize OE-Settings: Adjust original equipment settings.
Note: Online programming requires an active online account, which is not provided with this device.

Figure 3: ECU Coding & Programming Capabilities
4.2 All System Diagnosis
The device can establish a data link to the electronic control systems of the vehicle to perform comprehensive diagnostics. This includes functional tests, retrieving diagnostic information (trouble codes, event codes, live data) for various control systems:
- ABS (Anti-lock Braking System)
- SRS (Supplemental Restraint System)
- Engine System
- Transmission System
- Brake System
- Emission System
- Fuel System
- Light System
- Wiper System
- Battery System
- DPF System (Diesel Particulate Filter)
- TPMS System (Tire Pressure Monitoring System)
- Air Conditioning System
- And many more.

Figure 4: All System Diagnostic Coverage
4.3 Service Functions (30+ Special Functions)
The VCX NANO NX600 supports numerous scheduled service and maintenance functions:
- Oil Lamp/Oil Reset: Resets the engine oil life system.
- Electronic Parking Brake Reset (EPB): Maintains the electronic braking system, deactivating/activating brake control, assisting with fluid control, and setting brakes after replacement.
- Steering Angle Sensor (SAS) Calibration: Clears fault memories and calibrates the steering wheel position.
- ABS Bleeding: Performs bi-directional tests on the Anti-lock Braking System.
- Tire Pressure Monitor System (TPMS) Reset: Looks up tire sensor IDs, performs programming and reset procedures.
- Gear Learning: Monitors camshaft position sensor signals for engine running procedures.
- Injector Coding: Addresses issues with leaking or dead injectors.
- Battery Maintenance System (BMS) Reset: Re-matches control modules, monitors charge state, registers battery replacement, and activates rest state.
- Diesel Particulate Filter (DPF) Regeneration: Functions for DPF regeneration, component replacement teach-in, and DPF teach-in after ECU replacement.
- Electronic Throttle Position Reset: Initializes throttle actuators and resets 'learned' values to default.
- Gearbox Matching: Completes gearbox self-learning to improve shifting quality, especially after disassembly or battery power-off.
- AFS (Adaptive Front-lighting System) Reset: Initializes the adaptive headlamp system based on ambient light, vehicle speed, and body posture.
- Sunroof Initialization: Sets sunroof lock-off, rain-closing, memory function, and temperature thresholds.
- Suspension Calibration: Adjusts body height and performs level calibration after sensor replacement or incorrect vehicle level.
- Other functions include: Maintenance Light Reset, throttle learning, headlight matching, urea reset, NOx reset, start-stop setting, language setting, seat calibration, shielding failure, etc.

Figure 5: Overview of Service Functions
4.4 Action Test (Bi-directional Control)
The action test, also known as bi-directional control, involves sending and retrieving information from a vehicle control module. This function allows you to command the control module to perform specific actions, such as system tests, actuator tests, functional tests, inspection tests, reprogramming, or reinitialization. This significantly reduces diagnostic time.
Example: If you suspect a fuel pump issue, you can use the action test to send a fuel pump command and observe the fuel pressure, helping to determine if the problem lies with the pump circuit or the pump itself.

Figure 6: Bi-Directional Control Examples
4.5 Full OBD2 Functions
The device supports all 10 modes of OBD2 diagnostics:
- Reading Codes: Displays detailed Diagnostic Trouble Codes (DTCs).
- Erasing Codes & Reset: Turns off the Check Engine Light (MIL), clears codes, and resets monitors.
- Data Stream: Reads and displays live ECU/PCM data streams, with graphical plotting and freeze frame data storage.
- I/M Readiness Status: Shows if emission-related systems are operating correctly and ready for testing.
- Read Live Data Stream: Displays continuous data stream information in live graphic (waveform) format.
- View Freeze Frame Data: Checks vehicle conditions recorded by the on-board computer when an emission-related fault occurs.
- O2 Sensor Test: Retrieves and displays O2 sensor monitor test results.
- On-Board Monitor Test: Retrieves and displays test results for emission-related powertrain components and systems.
- Read Vehicle Information: Displays VIN (Vehicle Identification Number), CID (Calibration ID), and CVN (Calibration Verification Number).
- Component Test: Actuates specific vehicle components via commands from the scanner to test their operability.
4.6 AUTO Read VIN
This function quickly reads the vehicle's VIN and initiates diagnostics on the selected system, allowing technicians to easily identify vehicle information such as manufacturer, model, year, and place of manufacture.
5. Maintenance
5.1 Device License and Firmware Updates
The VXDIAG VCX NANO NX600 comes with a lifetime free license. If the license time expires, you can directly update it using the 'VX-Manager' driver application. Firmware updates are also provided free for life, ensuring your device remains compatible with the latest vehicle models and diagnostic protocols.
6. Troubleshooting
- Software Not Included: Remember that the device is hardware only. Diagnostic software must be acquired separately.
- Online Account for Programming: Online ECU programming requires an online account, which is not provided.
- System Compatibility: Ensure your laptop runs Windows 7 (32-bit), Windows 7, or Windows 10 (non-Home editions) for proper operation.
- Connection Issues: Verify all cables are securely connected between the vehicle, VCX NANO device, and laptop.
- License Expiration: If you encounter license issues, use the 'VX-Manager' application to update your device license.
7. User Tips
- Gearbox Adaptation: For vehicles like the 2014 Chevrolet Captiva, the device supports gearbox matching functions which can be used for adaptation after repairs or replacements. Refer to the 'Service Functions' section for details.
- Software Sourcing: Many users find the necessary diagnostic software online. Search for official or reputable sources for your specific vehicle brand and model.
8. Warranty and Support
The VXDIAG VCX NANO NX600 comes with lifetime free updates for its license and firmware. Lifetime technical support is also provided to assist with any operational or technical queries you may have regarding the device's functionality.
Video 1: VXDIAG VCX NANO NX600 Product Overview





