The Best Diesel Diagnostic Tool of 2021 – Top 10 and Rankings

If you’re looking for Diesel Diagnostic Tool but don’t know which one is the best, we recommend the first out of 10 Diesel Diagnostic Tool in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
FCAR F506 heavy duty truck scanner Enhanced HD diesel scanner Full-systems diagnostic tools with Engine/ABS/VCS/EBS/SRS/Suspension/Battery/Cluth Transmission Check Trucks & Cars 2 in 1 Codes Reader
  • ALL FUNCTIONS IN YOUR HAND-This truck scanner is capable of reading and clearing trouble codes of all major systems of truck , including engine, airbag, transmission,ECU/BCU,VCS,ABS,SRS,EBS,DCU,AT, cluth system/brake system/meter system/battery system/inverter system/hybrid system/immobilizer system,ect. Special Functions perform various component adaptations of the control module under test, allowing you to calibrate or configure certain components after making repairs or replacements.
  • ADVANCED FEATURES FOR TRUCK-Graph live data :Engine speed,Engine ECU temperature,Percent acceleration pedal position,Engine intercooler temperature,Engine coolant temperature,Battery voltage,Alternator voltage,Ambient air temperature,Air inlet temperature,Set measurement units in SAE English/Metric.,Internet upgrade,General Functions :Read ECU Information,Read and Erase Fault codes,Read Live Data,Read Freeze Frame,Graph Live Data,Screenshot Function.
  • EXTENSIVE APPLICATION-HD Trucks: for Freightliner, for Fuso, for GMC,for Hino, International, for Isuzu, for Iveco, for Kenworth, for Mack, for Mercedes, for Nissian UD,Peterbilt, Sterling, for Western Star, for Volvo,for Allison, for Bendix, for Eaton, for Wabco, for ZF,ect.and all Cars/min vans/light duty from 1996.F506 code reader can be also used as a universal OBD II code reader for reading and erasing codes on other brands cars' OBD System.
  • STRONG COMPATIBILITY-Works on most truck with J1708 and J1939 plus OBD2 automotive coverage, and covers Hino, Mishubishi Fuso, Isuzu and Nissan UD commercial vehicles. since 1992 Supports SAE J1850PWM, SAE J1850 VPW, IS0 14230-4, IS0 9141-2,IS0 15765-4, SAE J1708, SAE J1939, OBDII Scan and diagnose fault codes with code defination in the engine, transmission, ABS brake and instrument cluster or body control.
  • WIN IN THE DETAILS-The F506 obd2 scanner comes with new UI, new processor and new software, aims at providing you the best diagnostic experience. One-key update, 3.5”TFT color screen and languages will make you fall in love with it instantly. The response and operating speed increased by 60% at the same time. This durable tool is ruggedly built, perfect for both shop and road tests. It can be used directly out of the box.
Rank No. #2
Autel Maxisys CV MS908CV, Heavy Duty Truck Scanner, Semi Truck Scanner with J-2534 ECU Programming, Coding, Active Test, 25 Special Services, 23 Adaption Functions, Bluetooth Diesel Diagnostic Tool
  • 🚐【25 Special Services + 23 Adaption Functions】 : Autel Maxisys MS908CV, the 2021 new version, is a top heavy duty truck scanner with 25 special services (including Oil Reset, Injector Coding, DPF, EPB, ABS, SRS, Suspension, Throttle ...) and 23 adaption functions (including DOC/DPF Instant Replacement Reset, Fuel Pressure Adaptation Reset, Injector CEOM Reset etc.) to meet all your needs.
  • 🚐【OE-Level Full Systems Diagnosis】: Auel truck scanner Maxisys 908CV is an affordable choice to compete with OEM scanners with more advanced functions, while less budget. Autel diesel truck scanner 908cv can read DTCs to locate the fault, clear DTCs to turn off the MIL, retrieve ECU information to learn about the details and views live data. Full-system diagnosis can be applied to Ford truck, Toyota bus, Toyota truck, Nissan, Peugeot, Astra, Champion, Bendix, and more to include 80+ makes.
  • 🚐【Advanced ECU Coding】: Autel Maxisys cv ms908cv is equipped with advanced ECU coding which allows you to update the vehicle’s computer software to the latest version, or write in adaptive data for certain components after making repairs or replacements. Maxisys 908CV provides hundreds of methods to improve truck’s performance, like drivability, fuel efficiency, etc. Coding function can be perfectly compatible with Citroen, Dodge, Volvo, Gillig, New Flyer, Nova bus, Pierce and etc.
  • 🚐【Designed for Commercial Vehicles】: Autel MS908CV performs diagnosis for heavy trucks, light trucks, natural gas vehicles, construction vehicles, and buses and so on, working with more than 80 commercial vehicle brands, ideal for large repair shops and professional mechanics. As the 2021 new version from Autel, with a 1-year warranty and 24-hour tech support, MS908CV can cover more cars and makes sure that you would not run into any difficulties when using it.
  • 🚐【Best Investment with Active Test】: 🅰🆄🆃🅴🅻 Truck scanner MaxiSys MS908CV provides direct access to the vehicle-specific subsystems and components, and output commands to the specific solenoid/relay/ switch to precisely locate faults. Its bidirectional control is applicable for rolling up / down a window, turning the fuel pump on and off, cycling the a/c clutch on and off, and helping with an emissions leak test.
SaleRank No. #3
[2021 New] LAUNCH X431 PRO3S+HDIII,Diesel&Gasoline Bidirectional Diagnostic Scan Tool,Cars&Heavy Duty Trucks All Systems Scanner,Key Program,ECU Coding,31+Service,Cars&Trucks Connector Kits
  • 🏆【2021 NEWEST LAUNCH FIRST Advanced Scan Tool Compatible With 12V And 24V Vehicles】Design for Passenger&Commercial Vehicles 2in1:The 1st ALL-IN-ONE scanner from LAUNCH ,work for Cars/Trucks/buses/trailers/excavators/diesel engine/construction machinery/ /pick-up/etc.【AutoAuth for FCA SGW】Support Chrysler,Dodge,Jeep,Alfa Romeo and Fiat after 2017【2021 OE-Level features】Guiding Functions,Variant Coding with Benz,Modification for BMW,Offline Coding,Customization,Personalization,Online Calibration.
  • 🚗【Over 31 Service Reset Functions + Bi-Directional + ECU Coding + Adaptation + Intialization + Matching】LAUNCH X431 PRO3S+ HDIII can send commands to the system/component to test their working status for Active Test. Beside,this scan tool can also support ECU Coding, Key programming, Adaptation, Matching, 31+ reset service functions like SAS/EPB/TPMS/DPF/IMMO/Oil/Brake/GEARBOX Reset, ABS Bleed, Injector coding, etc... Powerful dealership level Functions can fully meet your needs.
  • 👍【2021 BEST Advanced Hardware & All Systems Diagnosis】LAUNCH X431 PRO3S+ HDIII automotive scanner equipped with Android 9.0 operating system, 10.1-inch HD IPS(1920*1200) touchscreen, 7000mAh rechargeable battery (up to 12+ hours battery life), 3+32G memory(support 128G Expand memory). Support All systems Diagnostic including ENG, AT, ECM, TCM, ABS, SRS, BCM, IMMO, BMS, TPMS, SAS, Fuel System, Light System and A/C system,more.
  • 🚛【Wider Vehicle Coverage of 12V & 24V Vehicles + 24 Languages】LAUNCH X431 PRO3S+ HDIII automotive scanner is ALL-IN-ONE Scan Tool for 12V cars and 24V Heavy-duty trucks which provide the most extensive multi-brand coverage and comprehensive diagnostics for you. Passenger vehicles:Cars, SUV, MPV, Pickup truck; Commercial vehicles:Heavy Duty Truck, Passenger Bus, Excavator, Tractor, Recreational Vehicle. 24 Language: English,French,Spanish,German,Russian,Japanese,Portuguese,Italian,Polish,more.
  • 🔥【User Friendly, Easy To Use】LAUNCH X431 PRO3S+ HDIII supports One-Click Auto VIN Detect, One-Click WiFi Update, One-Click Generate Graph. In addition, this LAUNCH scan tool also support remote diagnostic, diagnostic feedback and respond, Live data graphing, data Stream record and playback, Generate Health Report (Share & Print). Bring you a more convenient and comfortable experience to a large extent.
Rank No. #4
LAUNCH Autool X431 HD Heavy Duty Diesel Truck Diagnostic Module Work for X431 V+, X431 Pro3,PAD II Software Free Update Online
  • X-431 Heavy-duty Truck Module is a new generation heavy-duty truck fault diagnostic tool Software based on Android, matching with more diagnostic hosts.
  • Able to test truck with 12V or 24V battery diesel engine. When testing 24V truck, battery conversion is not required.
  • It communicates with X-431 PRO3 / X-431PAD II throuth Bluetooth to achieve fault diagnosis for various car models and full systems.
  • 34 car model software, support more than 60 car models. Moreover, the software is being continuously developed.
  • 1 year free update online / 1 year hardware warranty
Rank No. #5
Universal Heavy Duty Diesel Diagnostic Laptop & Interface with Software Package Pre Installed-Cummings-Detroit Diesel-Volvo-CAAT-International
  • Brand New Nexiq USB Link 2 & Pre Installed Refurbished CF-52 Laptop
  • Professional Panasonic Toughbook CF-52 With i5 Cpu & SSD Drive For Superb Performance
  • Never Expire Latest & Best 2019 Software Versions
  • Step Up Your Workshop - All Diagnostics & Programming Capabilities !
  • One Year Warranty On ALL - Software & Hardware - Real Time Online Tech Support
Rank No. #6
XTUNER T1 Heavy Duty Truck Diagnostic Tool Auto Intelligent Diesel OBD Scanner Support WIFI
  • EXTENSIVE VEHICLE COVERAGE: XTUNER T1 has extensive vehicle coverage for heavy-duty trucks like Allison, Astra, Benz, Bremach, Caterpillar, DAF, Detroit, ERF, Foton, Freightliner, Hino, Hyundai, International, ISUZU, Iveco, Mack, MAN, Navistar, Diesel OBD, Renault, Scania, Toyota, UD, Volvo, Wabco; Support electronic system like Bendix, Cummins
  • FREQUENTLY UPDATE: Newest Update:MAN V12.1->12.2 !!! 1.Add Divided by the Vehicle->TG-X System:Wabco ESAC,PTM,ASTRONIC ZF,Air-conditioning/Auxiliary air-conditionong/Heating,Instrumentation Stoneridge Electronics,CBR II Wabco,Universal mobile phone preparation(UHV)FWD,Door module TRW,Multi Media System. 2.Add Divided by the System:Multi Media System. TOYOTA V12.2:Update the diagnostic database for all models of North America, Europe, Asia, Japan, other support to 2016
  • Add New Brand: Ford!!! Vehicle Covered up to 2017! VOLVO 12.2 EN release! 1. Fix commucation error. Add 35 new modules. 3. Add system scanning and DTC Freeze. XTUNER T1 support communication via USB or WIFI connection for the VCI; Software support update online for free; Operation System: Windows XP, Windows 7, Windows 8, Windows 10, which allows for more stable performance, better compatibility and expandability
  • BUILT-IN OVERVOLTAGE PROTECTION MODULE: Able to protect scanner and vehicle against accidental damage during checking; Work stably and smoothly in high and low temperature environment. Please feel free to contact us if you have any technical question, our engineer will support online
Rank No. #7
Quicklynks Truck Diagnostic Tool T71 Universal Diesel Heavy Duty Code Reader V24 for Bus and Heavy Truck Diagnostic Scanner Tool for Benz/Isuzu/Cummins/Iveco/Volvo Truck
  • Truck diagnostic tool T71 works on vehicles which compliance with J1939/J1587/1708 protocol.
  • T71 Truck Diagnostic Tool For Heavy Truck and Bus Code Reader,Easy to use with friendly menu truck diagnostic interface
  • Functions of Truck Diagnostic Tool T71 including: Reads trouble code, rases trouble codes and resets check engine lights,Identifies and displays Pending Codes,Determines the malfunction indicator lamp (MIL) status and so on.
  • Truck Diagnostic Tool T71 Update software on Offcial Website.
  • T71 Diesel Truck Diagnostic Scanner 24V Heavy Duty Truck Diagnosis Computer Tester Truck Scan Tool for Benz/Isuzu/cummins/iveco/volvo truck.
Rank No. #8
XTUNER Autool T1 Heavy Duty Truck Diesel Auto Diagnostic Code Scanner Tool WiFi&USB Diesel Code Reader Scan Tool Support Windows XP Windows 7 8 10
  • Language: English Only. Extensive vehicle coverage for heavy-duty trucks. Complete function including DTC, DTC freeze Info, Live data, Actuation test and Special function.
  • Support standard protocol J1939, J1708 and J1587. Communication: USB or WIFI connection for the VCI.
  • XTUNER T1 Update: New software update on the internet tdintel.com. Supply OBDII and other 10 connector. With brand-new design, the hardware features in stability and anti-interference.
  • The built-in overvoltage protection module is able to protect scanner and vehicle against accidental damage during checking. Work stably and smoothly in high and low temperature environment.. Operation System: Windows XP, Windows 7, Windows 8, Windows 10, which allows for more stable performance, better compatibility and expandability.
  • XTUNER T1 Special Functions: DPF Reset,Nozzle Or Injector,Fuel Pump,Exhaust Pressure Adjustment,EGR,ECM,Vehicle Speed CONTROL,Cylinder,VIN,Write Engine Serial Number,Turbo Control
Rank No. #9
LAUNCH X431 V+ Diagnostic OBD2 Android Tablet + X431 HD Heavy Duty Truck Diagnostic Module Working Both for Gasoline Vehicle & Diesel Truck
  • POWERFUL HARDWARE&SOFTWARE;The Launch X431 V Plus + X431 Heavy Duty Module, enabling it to test gasoline vehicles and trucks with 12V or 24V battery, and trucks with diesel engines. When testing 24V truck, battery conversion is not required. Supports 68 brands and over 220 models from America, Europe, Asia
  • THE MOST ADVANCED UI;Utilizes Android 9.0 to provide you with an easy to use interface that has powerful functions, quick auto scanning and vehicle diagnosis, and a touchscreen user interface that is easy to learn.This model has a higher hardware configuration, larger storage capacity, faster processor, latest display technology (10 inch capacitive touch screen), and bigger battery for a longer use time between recharging
  • WIRELESS CONVENIENCE;With a Bluetooth OBDII connector module& wifh function, you can wirelessly communicate directly with any vehicle. Since you do not need to be wired into the dashboard when using the Launch X431 V+, you are now free to run the scanning, repair and diagnostic tests while you are working under the hood or while doing other maintenance tasks at your workbench
  • 【FASTER, STRONGER AND MORE POWERFUL LAUNCH X431 V+ PRO 4.0】 LAUNCH X431 V+ Pro 4.0 scan tool add more advanced functions ➤👍👍Support Videoscope/TSGUN functions ➤Guiding Functions(compatible with VW,AUDI,SKODA,SEAT) ➤Variant Coding with Benz ➤X431 V+ has wider vehicle coverage, supports AutoAuth for FCA SGW, which makes V+ compatible with Chrysler, Dodge, Jeep, Alfa Romeo and Fiat after 2017. ➤Compatible with HD module, support gasoline vehicles, and 24V diesel heavy-duty trucks.
  • FULL TECHNICAL WIZARD: It has integrated the basic diagnostic functions of two heavy duty truck standard protocols (J1939 and J1708), is equipped with 6PIN OBD, 9PIN OBD, and many additional diagnostic connectors for major truck brands, supports multiple ECU's, and is compatible with the latest Android based Launch X431 diagnostic tablets.
Rank No. #10
KZYEE KC601 Heavy Duty Scan Tool, HD Truck Diagnostic Scanner Transmission DPF Code Reader and Eraser with Live Data/ECU Info for J1587/J1708 J1939 Diesel Trucks
  • ❶【What's KC601】 It is the latest portable vehicle heavy duty code readers. Users can fast and efficiently read out DTC in automobile electric control system, diagnose fault position and find out fault cause. Good for all auto repairing factories to read and erase fault code and read live data
  • ❷【Powerful Functions】KC601 scanner is capable of reading and clearing trouble codes of all major systems, including engine, transmission, ABS, and supports body, chassis, Cruise, Instrument cluster, gateway and other control modules check. Equipped with standard OBDII diagnostic socket which can diagnose DTC in automobile electric control system anytime and anywhere
  • ❸【Unmatched Compatibility】KC601 diagnostic scanner from KZYEE supports heavy duty trucks in compliance with standard protocols ( J1939 or J1587/J1708) . Covers most ECU like Cummins, Freightliner, International, Kenworth, Mack, VOLVO, etc . Power supply afforded directly by vehicles, comes with both a 6-pin and a 9-pin cables for maximum vehicle compatibility, and a micro USB cable for the Internet update
  • ❹【User-Friendly Design】Adopting 2.8 inch and 320*240 LED display to meet the operation habit of each individual user, the well-designed appearance, menu and functions of products support all-in-one function of OBD/EOBD vehicle, multi-language, and LED-guided operations. Easy operation and high practicality
  • ❺【100% Satisfactory Service】What You Get ➤KZYEE KC601 heavy duty code reader, User Manual, USB Cable, Storage Bag, OBDII Cable and Diesel-6 and Diesel-9 Cable. KZYEE offers 30 days return & 2 years warranty guarantee & lifetime technical support & friendly customer service

How Do You Buy The Best Diesel Diagnostic Tool of 2021?

Do you get stressed out thinking about shopping for a great Diesel Diagnostic Tool? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Diesel Diagnostic Tool, which is why we have assembled a comprehensive list of the greatest Diesel Diagnostic Tool available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Diesel Diagnostic Tool that you consider buying. Your questions might include the following:

  • Is it worth buying an Diesel Diagnostic Tool?
  • What benefits are there with buying an Diesel Diagnostic Tool?
  • What factors deserve consideration when shopping for an effective Diesel Diagnostic Tool?
  • Why is it crucial to invest in any Diesel Diagnostic Tool, much less the best one?
  • Which Diesel Diagnostic Tool are good in the current market?
  • Where can you find information like this about Diesel Diagnostic Tool?

We’re convinced that you likely have far more questions than just these regarding Diesel Diagnostic Tool, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Diesel Diagnostic Tool, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Diesel Diagnostic Tool. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Diesel Diagnostic Tool buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Diesel Diagnostic Tool currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Diesel Diagnostic Tool has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an Diesel Diagnostic Tool?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Diesel Diagnostic Tool.
  5. Customer Ratings: Number ratings grade Diesel Diagnostic Tool objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Diesel Diagnostic Tool.
  7. Product Quality: You don’t always get what you pay for with an Diesel Diagnostic Tool, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Diesel Diagnostic Tool is should be an indication of how long it will work out for you.

We always remember that maintaining Diesel Diagnostic Tool information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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