---
product_id: 384508600
title: "GT100 Breakout Box OBDII Protocol Detector ECU Bench Connector OBD Diagnostic Port Tester"
brand: "godiag"
price: "£126.22"
currency: GBP
in_stock: true
reviews_count: 5
category: "Godiag"
url: https://www.desertcart.co.uk/products/384508600-gt100-breakout-box-obdii-protocol-detector-ecu-bench-connector-obd
store_origin: GB
region: United Kingdom
---

# Real-time voltage monitoring (9V-24V) 16-pin OBDII breakout connector Supports multi-module ECU diagnostics GT100 Breakout Box OBDII Protocol Detector ECU Bench Connector OBD Diagnostic Port Tester

**Brand:** godiag
**Price:** £126.22
**Availability:** ✅ In Stock

## Summary

> 🔧 Power up your diagnostics game with GODIAG GT100 — the pro’s secret weapon!

## Quick Answers

- **What is this?** GT100 Breakout Box OBDII Protocol Detector ECU Bench Connector OBD Diagnostic Port Tester by godiag
- **How much does it cost?** £126.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/384508600-gt100-breakout-box-obdii-protocol-detector-ecu-bench-connector-obd)

## Best For

- godiag enthusiasts

## Why This Product

- Trusted godiag brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Operation:** Effortlessly extend and test OBDII interfaces with included banana plugs and extension cables—no tech headaches.
- • **Battery Backup Power Supply:** Safeguard your vehicle’s ECU data during battery replacement to prevent data loss and system lock-ups.
- • **Multi-Module ECU Compatibility:** Connect and diagnose single or multiple ECU modules simultaneously for professional-grade troubleshooting.
- • **Seamless OBDII Protocol Detection:** Instantly verify vehicle communication with clear LED indicators to avoid costly diagnostic errors.
- • **Robust Voltage & Current Monitoring:** Real-time voltage display ensures safe diagnostics by alerting you if voltage drops below 11V.

## Overview

The GODIAG GT100 is a cutting-edge OBDII breakout box designed for precise ECU communication detection, programming, and maintenance. Featuring a 16-pin connector, real-time voltage monitoring (9V-24V), and multi-module compatibility, it ensures safe and efficient vehicle diagnostics. Its battery backup function protects ECU data during battery swaps, while plug-and-play banana plug extensions simplify complex testing scenarios. Trusted by professionals, the GT100 elevates your diagnostic workflow with reliability and ease.

## Description

GODIAG OBD2 Breakout Box with Protocol Detector

Review: good
Review: Gostei - Faz o que prometido no anúncio top.

## Features

- ECU Connector: GODIAG GT100 is a latest OBDII protocol communication detection and ECU repair/diagnosis/programming/coding test platform.
- Powerful Features: Connecting the vehicle and diagnostic tool via OBDII, the Godiag GT100's LED will indicate if the OBDII diagnostic interface is communicating well with the car. The vehicle OBDII interface voltage is monitored and displayed in real time, if it falls below 11V please stop diagnostics and programming to avoid vehicle failure to start / data loss / module lock-up.
- Strong Compatibility: The OBD2 protocol detector is capable of connecting to a single module or multiple modules of the vehicle. It can be connected with any diagnostic tool to determine whether the vehicle communication is good or not.
- As a Car Battery Supplement: GT100 can also power up the car when you change the battery to avoid loss of vehicle control module data, auto-lock, key remote malfunction and malfunction light on.
- Easy to Operate: The GT100+ OBDII breakout box is easy to operate and has the additional function of servicing the vehicle's ECM, ECU.The GT100+ breakout box connects to the ECU module via banana plug or DB25 connector, which not only supplies power to the ECU, but also directly displays the electronic current value.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08L4H9H4M |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #11,911 in Automotive ( See Top 100 in Automotive ) #52 in Automotive OBD-II Engine System Diagnostic Tools |
| Brand | GODIAG |
| Brand Name | GODIAG |
| Customer Reviews | 4.6 out of 5 stars 176 Reviews |
| Included Components | GODIAG OBD2 Breakout Box with Protocol Detector |
| Manufacturer | GODIAG |
| Manufacturer Part Number | GT100 |
| Model Number | GT100+ |
| Operating System | Android 4.0 |
| Operating system | Android 4.0 |
| Power Source | Corded Electric |
| Power source | Corded Electric |
| Screen Size | 1 Inches |
| Screen size | 1 Inches |
| UPC | 889327047390 |
| Unit Count | 1 Count |
| Unit count | 1 Count |

## Product Details

- **Automotive Fit Type:** Universal Fit
- **Brand:** GODIAG
- **Operating system:** Android 4.0
- **Power source:** Corded Electric
- **Screen size:** 1 Inches

## Images

![GT100 Breakout Box OBDII Protocol Detector ECU Bench Connector OBD Diagnostic Port Tester - Image 1](https://m.media-amazon.com/images/I/71BVYnix0FL.jpg)

## Questions & Answers

**Q: Does this work with anything from 1993 to 2021? Also can anybody please tell me why mh Amazon kreps going to Spanish??**
A: This will work on all OBD2 which is 1996 to current also a few 1995 have an OBD2 connector. Can't answer your 2nd question.

**Q: Does it support all type of cars when change the battery?**
A: Yes, it can support all types of cars. It can use as a backup power when you change your car's battery.

**Q: Is the 12V power adapter required to use the breakout box?**
A: The data link connector (OBD2 port) will power the breakout box. The 12V power adaptor is for using the breakout box on the bench, either powering an ECU or other module.

**Q: Is a J2534 still required for programming?**
A: Hello friends , Our product is just an ECU connector, not for programming ，thank you for your consultation

## Customer Reviews

### ⭐⭐⭐⭐⭐ good
*by F***O on 18 July 2025*



### ⭐⭐⭐⭐⭐ Gostei
*by J***E on 28 September 2023*

Faz o que prometido no anúncio top.

### ⭐⭐⭐⭐⭐ overexposed
*by F***Z on 2 May 2026*

muy util

## Frequently Bought Together

- GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding
- GODIAG ECU GPT Boot AD Connector for ECU Reading Writing No Need Disassembly for J2534, Openport, PCMFlash, FC200
- Godiag OBD2 Breakout Jumper Cable Full Protocol Tricore Cable for ECU Programming

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**Shop now:** [https://www.desertcart.co.uk/products/384508600-gt100-breakout-box-obdii-protocol-detector-ecu-bench-connector-obd](https://www.desertcart.co.uk/products/384508600-gt100-breakout-box-obdii-protocol-detector-ecu-bench-connector-obd)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-22*