The GODIAG GT100+ and GODIAG GT100 Pro are both OBDII breakout boxes designed for ECU bench diagnostics, programming, and protocol detection, but they have some key differences.

GODIAG GT100+ Features:
- Supports OBDII 16PIN protocol communication detection.
- Functions as an ECU connection tool, OBDII protocol detector, and electronic current display.
- Works with diagnostic tools like LAUNCH, AUTEL, FOXWELL, XHORSE, and VXDIAG.
- Helps with ECM/PCM testing, programming, and coding.
- Suitable for ECU maintenance, repair, and diagnosis.
GODIAG GT100 Pro Enhancements:
- Includes all the functions of the GT100+ but adds extra features.
- Improved electronic current display for better monitoring.
- Enhanced CANBUS protocol support for more vehicle compatibility.
- Better stability and performance in ECU diagnostics and programming.
Which One to Choose?
- If you only need basic diagnostics and programming, the GT100+ is a cost-effective choice.
- If you want better performance, enhanced CANBUS support, and an improved display, the GT100 Pro is the better option.
Both tools are useful for professional tuners and mechanics dealing with ECU chip tuning, programming, and troubleshooting



The GODIAG GT100 Plus and GT100 Pro are both OBDII breakout boxes designed for ECU diagnostics, programming, and module testing. Here’s a comparison of the two:
GODIAG GT100 Plus
- Supports ECU diagnostics, programming, and key programming.
- Voltage & current display to monitor the power supply.
- Supports OBD1 to OBD2 conversion for older vehicles.
- Can be used as an auxiliary power supply to prevent battery disconnection issues.
- Connector locking function ensures stable connections during operations.
GODIAG GT100 Pro
- Includes all the features of GT100 Plus.
- Added CAN protocol diagnosis for more advanced functions.
- Improved voltage protection to prevent ECU damage.
- Faster and more stable connection during ECU programming.
- Better interface design with upgraded switches and ports.
Which One to Choose?
- If you need a basic OBDII breakout box, the GT100 Plus is a good choice.
- If you require advanced ECU programming and more CAN protocol support, the GT100 Pro is the better option.
Would you like recommendations for specific tuning software or diagnostic tools for certain car brands?



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