--- product_id: 460591172 title: "CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool" brand: "cmtool" price: "S/.201" currency: PEN in_stock: true reviews_count: 11 category: "Cmtool" url: https://www.desertcart.pe/products/460591172-cmtool-obd2-breakout-box-with-led-light-indicator-professional-16 store_origin: PE region: Peru --- # LED power & protocol indicators 16-pin OBDII interface 90cm TPU extension cable CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool **Brand:** cmtool **Price:** S/.201 **Availability:** ✅ In Stock ## Summary > 🔧 Diagnose Like a Pro, Stay Ahead of the Curve! ## Quick Answers - **What is this?** CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool by cmtool - **How much does it cost?** S/.201 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/460591172-cmtool-obd2-breakout-box-with-led-light-indicator-professional-16) ## Best For - cmtool enthusiasts ## Why This Product - Trusted cmtool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Full 16-Pin Access:** Simulates the complete OBDII layout for seamless, professional-grade diagnostics on every vehicle. - • **Universal 4mm Banana Socket:** Safe, versatile banana plug compatibility lets you effortlessly link to multimeters or oscilloscopes. - • **Durable & Flexible Extension:** 90cm TPU cable ensures fast, smooth connections with high elasticity and resilience for on-the-go testing. - • **Plug-and-Play Professionalism:** Compact, portable design with a 2-year warranty—your go-to tool for precise automotive electrical troubleshooting. - • **Instant Protocol & Power Insight:** LED indicators instantly reveal communication status, power, and grounding—no guesswork, just clarity. ## Overview The CMTOOL OBD2 Breakout Box is a professional-grade automotive diagnostic tool featuring a full 16-pin OBDII interface, LED indicators for real-time power, ground, and protocol status, and a durable 90cm TPU extension cable. Designed for quick, accurate electrical testing, it supports connection to multimeters and oscilloscopes via standard 4mm banana sockets, making it an essential portable tool for automotive professionals and enthusiasts alike. ## Description Product description OBD2 Breakout Box with LED Light Indicator This is a professional automotive test tool for the OBDII diagnostic link connector which offers easy access to the OBDIl connector for monitoring signals of protocol, power and grounds conveniently and safely. Can be used with multimeter or oscilloscope When unconfirmed signals are detected, the breakout box can also be connected to a multimeter or oscilloscope for further testing. Pins Definition Pin 1/Pin 3/Pin 8/Pin 9/Pin 11/Pin 12/Pin 13: OEM Discretionary Pin 2: SAE-J1850 PWM PROTOCOL LINE(+) Pin 4: Chassis Ground Pin 5: Signal ground Pin 6: CAN High (ISO 15765-4 and SAE-J2284) Pin 7: K-line for ISO 9141-2 and ISO 14230-4 Pin 10: SAE-J1850 PWM PROTOCOL LINE(-) Pin 14: CAN Low (ISO 15765-4 and SAE-J2284) Pin 15: L-Line (ISO9141-2 and ISO 14230-4) Pin 16: Battery + Red LED (Pin 16) Light up to show there is power. Green LED (Pin 4/5) Light up to show ground is good. Yellow LED (Pin 2/6/7/10/14/15) Light up to show communication with a scan tool and protocol identification. Product Parameters Diagnostic port: OBD II Working voltage: DC 8V-30V Load: 2.0A Operating temperature: -20°C-70°C (-4°F-158°F) OBD II extension cable length: 90cm PACKING LIST Important Hint This product is directly connected to the vehicle data link. Do not use this product to connect a load device with a power exceeding 1 ampere. Do not directly short-circuit the 16th pin, the 4th pin, and the 5th pin of this product. When you are not sure whether your operation will cause problems, please stop using this product immediately. When you are not sure about the electrical circuit on the car, do not use a jumper to short-circuit the input jack of this product. Improper use may damage the vehicle data communication system, related circuits or systems. ## Features - 【Detect Communication Protocol, Power Supply and Grounding Circuit】This is a professional automotive tool for the OBDII diagnostic link connector which offers easy access to the OBDIl connector for monitoring signals of protocol, power and grounds conveniently and safely. When unconfirmed signals are detected, the breakout box can also be connected to a multimeter or oscilloscope for further testing. - 【LED Indicators】The LED lights on the OBD2 breakout box can quickly indicate whether the power and grounding of the OBDII interface on the car are normal. Yellow LED (Pin 2/6/7/10/14/15) lights up to show communication with a scan tool and protocol identification; Green LED (Pin 4/5) lights up to indicate good ground. The Red LED (Pin 16) lights up to show there is power. - 【16 Pin OBD Interface】The input jack layout simulates the 16-pin layout of the OBDII interface, making more tests quick and intuitive. All 16 pins of OBDII can be easily connected when the decoder communicates with the vehicle. This OBD2 breakout box provides easy access to the vehicle data bus lines. - 【90CM Extension Cord】The OBDII connector extension cable adopts multithreading data connection technology, which makes the connection faster and smoother. The cable body is made of elastic thermoplastic TPU material, which has the characteristics of the high elasticity, high strength and high resilience. - 【Standard 4MM Rubber Socket】The OBD2 breakout box uses safe banana sockets, and the built-in input jack can be connected to any type of 4mm banana plug, including those with safety sheaths, making it easier to connect the breakout box to a multimeter or oscilloscope. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B21F5MCT | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #80,646 in Automotive ( See Top 100 in Automotive ) #420 in Code Readers & Scan Tools | | Brand | CMTOOL | | Brand Name | CMTOOL | | Customer Reviews | 4.7 out of 5 stars 209 Reviews | | Included Components | OBD2 Breakout Box, User Manual | | Item Dimensions L x W x H | 7.09"L x 3.15"W x 1.38"H | | Manufacturer | CMTOOL | | Manufacturer Part Number | CMOBD2B-KBOX | | Manufacturer Warranty Description | 2 year | | Model Number | DY29 | | Operating System | Windows XP | | Power Source | Corded Electric | | Product Dimensions | 7.09"L x 3.15"W x 1.38"H | | Screen Size | 18 Centimeters | | UPC | 728990660041 | ## Product Details - **Brand:** CMTOOL - **Operating System:** Windows XP - **Power Source:** Corded Electric - **Product Dimensions:** 7.09"L x 3.15"W x 1.38"H - **Screen Size:** 18 Centimeters ## Images ![CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool - Image 1](https://m.media-amazon.com/images/I/61YgDlaaufL.jpg) ![CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool - Image 2](https://m.media-amazon.com/images/I/61XUNbrsr0L.jpg) ![CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool - Image 3](https://m.media-amazon.com/images/I/71p1Vt6LCxL.jpg) ![CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool - Image 4](https://m.media-amazon.com/images/I/713sSnGAE+L.jpg) ![CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool - Image 5](https://m.media-amazon.com/images/I/61dHQqgJw4L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***N on December 25, 2025* ### ⭐⭐⭐⭐⭐ Review *by M***R on October 19, 2025* ### ⭐⭐⭐⭐⭐ Review *by M***N on October 22, 2025* ## Frequently Bought Together - CMTOOL OBD2 Breakout Box with LED Light Indicator, Professional 16-Pin OBD Breakout Box, Automotive Electrical Diagnostic Test Tool, Portable Testing Tool - 【FNRSI 2C53P Plus Upgraded with Carrying CASE】 3in1 Oscilloscope/Multimeter/DDS Signal Generator Tablet Touch Screen Portable Digital Automotive Oscilloscope 2 Channel 50MHz Bandwidth 250Ms/S Counts - Hantek HT30A Auto Test Cables Oscilloscope Accessory 3M BNC to Banana Adapter Cable Special Line to Test Signals for Assisting Automobile Measurement --- ## 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.pe/products/460591172-cmtool-obd2-breakout-box-with-led-light-indicator-professional-16](https://www.desertcart.pe/products/460591172-cmtool-obd2-breakout-box-with-led-light-indicator-professional-16) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-05-06*