Best Adapter Cable Code Readers in 2026

Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.

Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.

LCD Display - Designed with a clear display LCD screen (128 x 64 pixels) - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.

【Vehicle CEL Doctor】The NT301 obd2 scanner enables you to read DTCs, access to emissions readiness status, turn off CEL(check engine light) or MIL, reset monitor, read live data and retrieve VIN of your vehicle.

【Accuracy & Streams】Live data graphing and logging. Accurately read error codes for most Worldwide cars, SUVs, light trucks and 12V diesels equipped with Obd2. Graphing live vehicle sensors data allows you to focus on any suspicious data and trend.

【Worthy to Own】Recommended by Mechanic Scotty Kilmer on Youtube. Codes analysis and Printer compatible. Unique PATENTED design, 2.8" color screen, Free Lifetime Update and 1-year seller assurance with EXCLUSIVE tech and service team.

🚗【2023 Revolutionary Autel Circuit Tester】Autel PS100 PowerScan Tool is the most revolutionary circuit tester to date. Featuring AVOmeter, test light, built-in flashlight, short circuit indicator, relay/component tester, continuity tester and bad ground indicator, the PowerScan is truly the ultimate in power and affordability, allowing users to check circuitry in one single step. An absolute necessary tester for every technician diagnostics

🚗【Efficient Multiple Functions System】Autel PS100 Circuit Testercan help you troubleshoot electrical system issues, including power injection, voltage and polarity testing, signal circuit testing, measurement, ground testing, trailer light testing, polarity checks, continuity testing, short circuit location and components activation. Technicians can check for fuse failures, component failures, aging or degradation, circuit failures without changing plugs

🚗【Easy to Diagnostic Work】AVOmeter allows you easy to read voltage, current and resistance. Flipping of the power switch, you can have an instant hot/ground lead for powering up electrical components like cooling fans, relays, etc. It support you to identifies positive, negative and open circuits instantly, to test for bad ground contacts instantly, allowing you to follow and locate shorts fast without wasting fuses

Passes all 16 pins straight through. NO shared ground wires.

100% Brand new and high quality, Ultra flat low profile, Easy to carry and use.

High-quality materials give the cable superior flexibility and durability.

For Autel Cable - This cable adaptor for chrysler 12+8 connector perfectly designed and applied for Autel MaxiSys MS908 MaxiSys MS906 MaxiCOM MK906/ MINI MS 905.

Function - 12+8 autel cable, use with Autel MaxiSys scanner to diagnose on Fits for Chrysler Renegade Wrangler 300C after 2018 year. The autel 12+8 connector adapter is Autel's bypass for Chrysler's Security Gateway Module (SGM), fca obd bypass cable, sgw bypass adapter.

Auto Diagnostic Tool Connector - Car diagnostic tool cables and connectors. Every autel cable 12+8 connector have passed undergoes more stringent testing than aftermarket products, engineered for long lasting performance, durability, and dependability.

Passes all 16 pins straight through. NO shared ground wires.

100% Brand new and high quality, Ultra flat low profile, Easy to carry and use.

High-quality materials give the cable superior flexibility and durability.

FORScan OBD II Adapter is a vehicle code reader, ELM327 scanner, clear check engine light, FORScan and diagnostic scan tool.

OBDii adapter with the reliable advantage of USB cable connection and V1.5 version hardware avoids data corruption and dropped packets. Toggle MS-CAN HS-CAN switch can run rapidly at max 500 kbit per second, achieving pro-level check engine light programming and coding.

Softwares Compatible: FORScan, Elmconfig, FF2 and FoCCCus; Supported operating systems: All Windows versions - XP, Vista, 7, 8, 10; Supports all OBD 2 protocols (J1850PWM, HS-CAN, MS-CAN, HS-CAN2, HS-CAN3), this scanner works as a normal OBD-II/EOBD/CAN car code reader on all supported vehicles. Please install the USB DRIVER & FORScan Softwares before connecting the car.

🔔【Easy to Use--Work out of box】+【FOXWELL 2023 New Version】 FOXWELL NT604 Elite scan tool is the 2023 new version from FOXWELL, which is designed for those car owners who want to figure out the cause issue before fixing the car problem via scanning the most common systems like abs srs engine and transmission.The NT604 Elite diagnostic tool comes with latest software, which can be used out of box. No need to waste time to download the software first.

🍎【Affordable】+【Reliable Car Health Monitor】 Will you be confused what happen when the warning light of abs/srs/transmission/check engine flashes? Instead of taking your cars to dealership, this foxwell scanner will help you do a thorough scanning and detection for your lovely cars and pinpoint the problem for you, which saves time and money for you. It will t-urn off the warning light for you after you fix the problem, making you to know more about your cars and do your own repair.

🥑【2 in 1 Diagnostic Scanner】Compared with those auto scanners (50-100 USD), NT604 Elite code scanner not only includes their OBDII diagnosis but also it can be an abs/srs scanner, transmission and check engine code reader. When it’s an odb2 scanner, you can use it to check if your car is ready for annual test through I/M readiness menu. In addition, live data stream, built-in DTC library, data play back and print, all these features are a big plus for it.

Ultra low profile design for hard to reach spots. Supports all standard OBD 2 protocols.

Super flexible rubber coating is resistant to gas, oil, and most other common shop fluids.

OBD2 16Pin male to female extension cable.

✔30cm 12" OBD II 1 x Male 16 pin J-1962 and 2 x Female 16 Pin J-1962 Ultra Flat low profile connectors

✔Direct pass through on pins 2, 4, 5, 6, 7, 10, 14, 15, 16 ,Ideal for use with GPS trackers for the most discrete installations.

✔ Ideal for use with GPS trackers Auto Scanner Adapter Connector for the most discrete installations

[🔥🔥Oil/SAS/Throttle Reset] New 3 reset functions are available! TOPDON ArtiDiag500 OBD2 scanner with Oil /SAS/Throttle Reset to maintain your vehicle systems safely. 🚩Just Click "Upgrade" to obtain 3 special reset functions.

🚗[OBD2 Scanner] The TOPDON OBD2 scanner performs all ENG/AT/SRS/ABS diagnostics with 4-in-1 graphic live data. 🚩It covers all OBD2 tests for 60 manufacturers and 10000+ model. It also features 5-second one-touch AutoVIN, 🚩a free one-touch lifetime upgrade through WiFi, library DTC, 9 languages, 🚩printable auto-generated report with email sharing, 🚩smooth Android 7.0, 16GB ROM, 🚩vivid 5-inch touchscreen, and up to 10 hours of battery life.

[🔥🔥4 Car System Code Reader] The TOPDON OBD2 scanner accesses 4 systems: 🚩Engine/ABS/SRS/Transmission. It identifies the ECU version, pull DTCs with 4-in-1 graphic live data and DTC explanation to identify issues, erase DTCs to turn off the warning lights after repair (For cars made in 2005 and newer). In order to help you extend the lifespan of your vehicle while improving performance, this code reader also includes all obd2 test modes to solve the major concerns for all vehicles.

Compatible diagnostic tools with a 16 pin socket

Multiple cables can be daisy-chained together to achieve longer length.

OBD2 Y adapter mounts underdash with Snaps into the existing OBD2 underdash location.

Application Range: Suitable for Yamaha. Please check the compatibility before your purchase, make sure it is exactly what you need.

High Quality: Diagnostic adapter is mainly made of ABS plastic and metal, which ensures that it is anti rust, anti acid and alkali, aging resistance and could be used for long time.

Good Replacement: Made by professional manufacturer, original standard, stable characteristics and excellent performance.

The OBD2 16pin extension cable allows you to connect compatible diagnostic tools with a 16 pin socket

A right angle OBD-II Extension Cable that measures 19 inches long

This can be used to plug into an OBD-II compliant vehicle and coupled with OBD-II diagnostic hardware

【Newly Upgraded OBD2 Scanner in 2023】Big Surprise! Get powerful scanner diagnostic tool for less money than the TOPDON AD600S. Topdon ArtiDiag600 scan tool adds popular reset service, Android 7.0 for faster operation, 5 inch screen, 6100mAh large battery, eliminates the trouble of frequent charging.The car scanner is the best choice for professional, DIYers, home mechanics, car dealerships, auto repair shops.

【4 System OBD2 Scanner for Families to Assure Safe Travel】With Topdon scanner, even beginners can read fault codes for the Engine/ABS/Airbags/Transmission, and find the correct troubleshooting procedures. Thorough daily maintenance of aging cars before long trips can help avoid expensive repairs, breakdowns, or even accidents. Whenever a fault indicator light comes on, you can diagnose the problem correctly, resolve errors, and get the car running again.

【8 Reset Service Scanner for Car】AD600 automotive diagnostic scanner,including Oil Reset,Brake Reset,BMS Reset,SAS Reset,DPF Reset,TPMS Reset,Throttle Matching and Injector Coding 8 HOT services to meet common maintenance needs and reduce unnecessary car maintenance expenses for you. Note: Services vary by vehicles,Check the compatibility before purchase: topdon.com>pages>support>diagnostic-tool.

Use OBD extension cable can save the wear and tear on your scan tool's OBD connector

Ultra flat OBD2 Splitter low profile,easy to carry and use

Can support two OBD device simultaneously without disturbing each other

This 6pin motorbike OBD cable works with various programs / apps and even with standard OBD2 readers.

With this 6-pin to OBD2 adapter cable you can connect your ktnn motorcycle with a Kline or Canbus compatible OBD2 diagnostic interface or ELM327 scanner.

After connect this 6pin motorcycle cable to programs / apps, then you can read / delete the fault memory, Reading of live engine data such as speed, rpm, temp, O2 sensor data, emissions, voltages, etc.

OBDII female to 6pin+9Pin truck diagnositc connect cable.This cable is compatible with many of Heavy Duty turck diagnostic tools.

OBD 6+9Pin Heavy Duty Truck diagnostic cable is in 6Pin+9pin Male(J1978+J1739) to OBDII 16Pin Female. This OBD 6pin+9pin truck cable is ok for most heavy duty truck,bus,trailer...etc.

This OBD 6pin+9pin Heavy Duty Truck diagnostic cable is used for connecting your OBDII scanner to heavy duty truck with J1708 6Pin and J1939 9Pin socket. Easily switch between older and newer models. Provides power, ground, CAN/J1939 and J1708/J1587 data found on factory 9 Pin connector.

DOES IT APPLY TO MY CAR? --- This ELM327 FORScan OBD2 adapter can compatible with all F150 F250 and more(Cars & F-series Trucks 12V), F150, F250, F350, F450, Mazda, Lincoln, Mercury vehicles, Ranger, S-Max, C-Max, Transit, Mondeo, Fusion, Kuga, Mustang, Explorer, Edge — 99% of F150, F250, F350, F450, Ranger and more models after 2000 and around 92% of models after 1996. NOTE: New 2019+ Mazda 3 and CX-30 are not supported yet. Also, only fits Windows.

WHAT’S NEW? --- Update to "Auto" Version, 20 times faster than the "toggle switch" version. No manual switch needed, this OBD2 ELM327 adapter can transform medium/high speed (MS/HS) CAN automatically, just plug and play! With the reliable USB cable connection and V1.5 version, hardware avoids data corruption and dropped packets.

WHAT CAN IT DO? --- With this FORScan adapter, programming is a breeze! This scanner can disable double horn honk, enabling mirror auto-fold, Bambi mode, resetting daytime running light(DRL), programming a new brake controller, etc.

Please contact us (7/24 service) before purchasing to confirm that Thinkdiag2 can perform this function on your vehicle. This OBD2 scanner the only diagnostic scanner in this price range that supports the CAN-FD protocol that is compatible with the latest GM vehicles manufactured after 2020, which can run faster than other products to greatly enhance the user experience.

ThinkDiag2 is an OE-Level Bluetooth diagnostic tool that supports full system diagnosis. It supports read/clear codes, datastream, actuation tests, special functions, coding, adaptation, and read control module information for all systems, such as ECM, ABS, SRS, TCM, EPB, TPMS, SAS, A/C, BMS, etc. The specific functions that can be performed may vary by car model. Free software updates and usage are available for 1 year, paid subscription is required to use the model software after expiration.

A Bi-directional control diagnostic tool that supports actuation tests, drives solenoids and actuators for active testing, sending commands to the system/component to test its operating status without using the vehicle controls, making it easy to operate and saving a lot of time to identify the cause of the fault. In addition, it supports ECU CODING which allows you to match replacement components to the ECU. It also can activate the hidden functions for some BMW, VW, AUDI, and BENZ models.

MAKE DIAGNOSTIC SCANS ON YOUR BMW VEHICLE WITH EASE: OBD2 diagnostic tool compatible with all BMW vehicles from 1996-2007 that use the original FTDI chip (FT232RL/RQ).

K-LINE INTERFACE: Utilizes the real double K-line with 7-8 bridged pins.

ENABLES ACCESS TO ALL VEHICLE MODULES: Allows access to all BMW vehicles from 1996-2007 that functions with the K-line interface.

20 Pin Obd2 Adapter Works for BMW with 20 PIN Diagnostic Connector

20 Pin to 16 Pin Adapter Scanner Cable: Compatible with BMW 20Pins male connector, OBDII 16pins female connector

OBD2 Diagnostic Connectors for BMW 20PIN Connector adapter cable in the package, this cable can work with Creator C110 or C310 for BMW scanner for scanning old BMWs vehicles with 20pin connector

Perfect compatibility: OBD2 is specially designed for YAMAHA, this diagnostic cable is usually designed to fit for YAMAHA. Please confirm the applicable car model before placing the order.

Main function: It has very useful functions. The carefully designed 4-pin to OBD2 diagnostic cable is practical and reliable. Used to test ports. Stable characteristics, professional performance and high reliability.

Durability: The power supply voltage range of the OBD2 fault diagnosis instrument is 8-36V, and the adapter is made of high-quality ABS material to ensure excellent flexibility and durability. Exquisite manufacturing, high reliability and high performance.

4Pin OBD2 Scan Cable for Yamaha - Diagnostic 4 Pin to OBD2 OBDII Cable Harness Adapter for Yamaha. Work with all latest motorcycle model with the 4-pin diagnostic plug, like FJR 1300, FZ09, FZ10, MT09, FZ-10, MT-10, XSR900, R6, R1, and XSR 900, XT1200ZE etc.

Diagnostic Test Scanner Function - OBD2 4 Pin diagnostic plug adaptor cable clear a check engine light, after connect this 4pin motorcycle cable to programs / apps, then you can read the fault memory,Reading of live engine data such as speed, rpm, temp, O2 sensor data, emissions, voltages, scanner cable for best test results.

4Pin OBD2 Scan Cable Cooperation - This 4pin motorbike OBD cable works with various programs / apps and even with standard OBD2 readers.

👍【Designed for Cummins】Ancel HD3400 heavy duty truck scanner can read/clear codes, live data, ECU, DPF regen, DPF reset, etc. for your Cummins engine: Cummins X12/x15/ISX15/L9/B6.7/Westport L9N/ISB/ISD/ISL/ISG/ISX/ISF/ISBe/QSM11/ISM/QSX15/ISC/ISN/ISK, such as Freightliner, Peterbilt, Kenworth, International, Ford Pick-up F650/F750, Chevy Pick-up, RAM Pick-up, Volvo Truck, Mack, Western Star, Autocar, Ford F600/F700, Terex TR50, Bluebird, Bobcat, Komatsu, Zoomlion, ect.

👍【Designed for Detroit】HD3400 heavy duty truck scan tool can work for your Detroit DD13/DD15/DD16, Series 50/60, MBE 900/MBE 4000, OM501/OM 502, DDDL 6/DDDL 7, Freightliner Cascadia M2/108SD/114SD/122SD, Western Star 4700/4800/4900/6900/47X, Kenworth C500, ect.

👍【Designed for Paccar】The diesel scan tool is compatible with your Paccar engine: Paccar PX-7/PX-9, MX-11/MX-13, such as Kenworth T780/K270E/K370E/T680 Next Gen/T680/T880/W990/T180/T280/T380/T480, Peterbilt 579/389/567/367/365/548/535/536/537/220, ect. ❗️Please note that for PACCAR engines that need to do dpf function after 2017, HD3400 truck diesel scanner also need another crossover adapter to be compatible.

OBD2 16Pin male to female extension cable

Compatible diagnostic tools with a 16 pin socket

High-quality materials give the cable superior flexibility and durability

B800 Airbag Scan/Reset Tool work for BMW between 1994 and 2003, This is a very easy to use tool that comes with instruction manual to help you diagnose problems.

Models available for most BMWs built between 1994 and 2003 - Displays all SRS fault codes, tells you what's wrong.

SRS airbag light reset tool for BMW,Reset the dashboard SRS airbag light within seconds.

OBD II connector adapter specific for Ford cars (7-pin). The OBD 2 connector is 16-pin socket. This is a small adapter with 15cm cable connects a standard OBD II vehicle specific connector.

Connects a 16 pin OBD2 diagnostic tool to a car with 7 pin socket.

The cable has two connectors: one is 7 Pin connector, another is 16 Pin OBD OBDII connector.

Compatible with Ford most (NOT ALL. If not working, connect us for a refund directly) cars made between 1988~1995.

Trucks and pickups are not supported.

(On Board Diagnostics - OBD has a very long history. The 7 pin OBD1 connector was used on cars made between 1980~1995. But only part of the OBD1 systems became OBD2 starndard. We can use OBD2 tools on those OBD1 cars got a OBD1 system which is part of OBD2 standard. )

?¡¾Wide Application¡¿This GM 12-pin to OBDII 16-pin cable has high practicality, which is used specifically for connecting your scanner and your vehicle, specifically for GM vehicles.

?¡¾Premium Quality¡¿This 12-pin to OBDII 16-pin cable is made of high quality metal and plastic materials, which is durable is eco-friendly. And it adopts precision injection molding with high-quality workmanship, which has reliable quality and long service life.

?¡¾Easy Operation¡¿This 12-pin to OBDII 16-pin cable is easy to use, its 12 pins allows you to connect a vehicle with a OBD1 12 pins socket with your existing OBD2 16 pins tool, which works perfectly with scanning software, stable transmission, anti-jamming.