--- product_id: 243894365 title: "GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding" brand: "godiag" price: "€ 164.04" currency: EUR in_stock: true reviews_count: 13 category: "Godiag" url: https://www.desertcart.sk/products/243894365-godiag-auto-ecu-breakout-box-gt100-breakout-box-obdii-protocol store_origin: SK region: Slovakia --- # Car battery supplement during battery changes Real-time OBDII voltage monitoring Universal ECU communication & programming GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding **Brand:** godiag **Price:** € 164.04 **Availability:** ✅ In Stock ## Summary > 🔧 Power up your ECU diagnostics like a pro—never miss a beat under the hood! ## Quick Answers - **What is this?** GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding by godiag - **How much does it cost?** € 164.04 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/243894365-godiag-auto-ecu-breakout-box-gt100-breakout-box-obdii-protocol) ## 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 - • **Battery Backup Power:** Keeps your ECU powered during battery swaps to avoid data corruption, key fob issues, and warning lights. - • **Plug & Play Operation:** Simple banana plug or DB25 connector interface for quick setup and direct current display—no tech headaches. - • **Multi-Module Compatibility:** Connects effortlessly to single or multiple vehicle modules, ensuring broad diagnostic coverage. - • **Instant OBDII Protocol Detection:** LED indicators confirm seamless communication between your diagnostic tool and vehicle in real time. - • **Voltage Guard for Safe Diagnostics:** Monitors vehicle voltage live; alerts you to stop if below 11V to prevent data loss or ECU lock-up. ## Overview The GODIAG GT100 Auto ECU Breakout Box is a cutting-edge OBDII protocol detector and diagnostic tool designed for professional-grade ECU maintenance, programming, and coding. Featuring real-time voltage monitoring, multi-module compatibility, and battery backup capabilities, it safeguards your vehicle’s electronic control modules during diagnostics and battery changes. Trusted by automotive pros, it ensures reliable communication between your diagnostic tools and vehicle systems, minimizing risks of data loss and module lock-up. ## Description Product description GODIAG GT100 AUTO TOOLS OBD II Break Out Box ECU Connector GODIAG GT100 is a latest testing platform for OBDII protocol communication detection and ECU maintenance / diagnosis / programming / coding.GODIAG GT100 ECU Breakout Box Features Display Voltage and Current Function : GT100 OBDII Breakout Box connect with ECU module via banana connector or DB25 connector, can directly shows your current data. You can easily judge whether your cable has connect correctly or whether the ECU module is in good condition. Tell Whether The Diagnostic & Programming Tool Can Send Out Communication Signal :After connecting the diagnostic & programming tool to the OBD2 port of GT100, select the car model and function to be performed. Then you will see on GT100 the protocol indicator light will turn on or flash , if the indicator won't turn on, it indicates that the diagnostic & programming tool has a incorrect connection or the machine is damaged. ECU Connection or Multiple Vehicle ECU Module Connecting : Conecting the single or multiple ECU control modules at the same time, GT100 OBDII Breakout Box is good helper for programming and diagnosing. Banana Plug Extension Connection : Extend the car's OBDII 16pin interface to tell you whether the OBDII interface connection is good or not, which is convenient for the test of OBDII interface voltage waveform. Convert Obd1 Diagnostic Interface To The Standard Obd2 : GT100 OBDII Breakout Box Use the connector to convert the OBD1 interface into obd2 interface according to the diagnostic interface communication protocol. The Extension Cables : The space of the diagnostic interface location is too narrow to connect to the diagnostic tool, or the user find that the diagnostic cable is not long enough during maintenance. It can be extended by 4.5ft. Power The Car When Replace Battery : The auxiliary power supply aims at supplying power to the vehicle through GT100 OBDII Breakout Box before replacing the battery to sustain the power supply to the vehicle. It guarantees the vehicle ECU is power connected during replacement of the battery GODIAG GT100 OBD2 Breakout Box ECU Connection: Single Module Connection GT100 OBDII breakout box not only provide power to ECU,but also directly display electronic current value. There is no current display or the actual displayed current is inconsistent with the engineer's expected current, then you can immediately check whether the wiring is wrong or the ECU is broken. Check The Communication Signals Before connecting to your expensive scan tools, you can use GT100 OBDII Breakout Box to verify the networks are communicating properly, or there is proper power and grounds being supplier to the box assembly. In case if you do not have the proper power or grounds may burn your expensive scan tools Power Car When Replacing Battery The auxiliary power supply aims at supplying power to the vehicle through GT100 OBDII Breakout Box before replacing the battery to sustain the power supply to the vehicle.To avoid malfunction or loss of anti-theft remote control data when removing the battery. Communicate With Single ECU Quickly communicate with a single ECU on bench by connecting with the ECU diagnostic / programming tool. Which allow the engineers or technicians to complete the job in the office, also keep away the risk of data loss in other modules when directly testing on the vehicle. Convert OBD1 To Standard OBD2 For old OBD1 vehicles or special diagnostic port, please connect GT100 OBDII Breakout Box through the banana plug and DB25 jumper. The OBD1 diagnostic port or special diagnostic port can be transferred to the standard OBD2 diagnostic port 4.5ft Extension Cables The space of the diagnostic interface location is too narrow to connect to the diagnostic tool, or the user find that the diagnostic cable is not long enough during maintenance. It can be extended by 4.5ft DB25 Color Jumper Cable DB25 color jumper cable as the ECU dedicated connection line. You can use it to diagnose or program to diagnose which is convenient for the professional engineers to detect and maintain Godiag GT100 Parameter Review: Gets the job done. - Great for doing the job intended to do. Best price for this type of product. Review: I’m very satisfied - Excellent excellent excellent ## 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 | #92,307 in Automotive ( See Top 100 in Automotive ) #457 in Code Readers & Scan Tools | | Brand | GODIAG | | Brand Name | GODIAG | | Customer Reviews | 4.6 out of 5 stars 187 Reviews | | Included Components | GODIAG OBD2 Breakout Box with Protocol Detector | | Manufacturer | GODIAG | | Manufacturer Part Number | GT100 | | Manufacturer Warranty Description | 1 Year Manufacturer | | Model Number | GT100+ | | Operating System | Android 4.0 | | Power Source | Corded Electric | | Screen Size | 1 Inches | | UPC | 889327047390 | | 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 ![GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding - Image 1](https://m.media-amazon.com/images/I/71BVYnix0FL.jpg) ![GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding - Image 2](https://m.media-amazon.com/images/I/81LjwtwbVOL.jpg) ![GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding - Image 3](https://m.media-amazon.com/images/I/61y0fY8QxML.jpg) ![GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding - Image 4](https://m.media-amazon.com/images/I/71nzOc8MIeL.jpg) ![GODIAG® Auto ECU Breakout Box, GT100 Breakout Box OBDII Protocol Detector for OBDII Protocol Communication Detection/ECU Tool Maintenance/Diagnosis/Programming/Coding - Image 5](https://m.media-amazon.com/images/I/71ylMBYyHIL.jpg) ## Available Options This product comes in different **Size** options. ## 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 ### ⭐⭐⭐⭐⭐ Gets the job done. *by P***L on October 6, 2025* Great for doing the job intended to do. Best price for this type of product. ### ⭐⭐⭐⭐⭐ I’m very satisfied *by S***O on October 30, 2025* Excellent excellent excellent ### ⭐⭐⭐⭐⭐ Emile Salazar *by E***R on October 12, 2025* Recomendado, excelente producto 100%. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/243894365-godiag-auto-ecu-breakout-box-gt100-breakout-box-obdii-protocol](https://www.desertcart.sk/products/243894365-godiag-auto-ecu-breakout-box-gt100-breakout-box-obdii-protocol) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-22*