The Best J1939 Scanner of 2025 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best J1939 Scanner of 2025. Check our ranking below.

2,955 Reviews Scanned

SaleRank No. #1

ANCEL Heavy Duty Truck Scanner HD601 All System Diesel Diagnostic Scan Tool fits for Cummins, Detroit, Freightliner, International, Paccar, Check Engine for Truck & Car 2 in 1 Code Reader

【Extensive Compatibility】After the upgrade, the compatibility is wider and more accurate! HD601 heavy duty truck scanner supports all major truck models that comply with standard protocols (SAE J1939, SAE J1708, ISO 14230-4, ISO 15764-4 and ISO 9141-2, ISO 27145-4 and Euro6). Fits for Cummins, Paccar, Detroit, Perkins, Freightliner, International, Peterbilt, Ford Heavy Truck, Class 4-Class 8 trucks, etc. It also check engine diagnosis on most cars, minivans and light trucks
【 Full System Diagnostic】HD601 Diesel Scanner supports all system scans of heavy trucks compliant with standard protocols SAE J1939 & J1708, such as Engine, ABS, Transmission, Braking System, ESP, EPS, Fuel System, etc, It is a great scan tool fits for Cummins, Caterpillar, Detroit, Perkins, Maxxforce, Bendix,Wabash, Wabaco, Haldex, Allison, Eaton heavy trucks, With this truck tool, you can get deep analysis data about the system and do some repairs by yourself, saving much time and money.Note: Only heavy truck vehicles that comply with the above protocol can diagnose the entire system
【Enhanced Diesel OBD Scanner】The HD601 Diesel OBD Scanner offers unparalleled diagnostic capabilities for heavy-duty trucks. Beyond code reading, clearing, and live data display, it retrieves vehicle information, freeze frames, and DTCs. With 6, 9, and 16 pin cables, it ensures compatibility with various engines. This scanner's real-world testing prowess ensures comprehensive support for a wide array of heavy-duty truck engines, making it an indispensable tool for truck diagnostics
【DTC Library】+【Life Time Free Update】The built-in DTC library allows you to retrieve the codes directly without searching for the definition in the book. Whether you are a professional mechanic or a DIY car owner, HD601 diesel scanner explains the existing problem, makes it easier for you to understand code definitions and helps you locate vehicle faults. Note: This device cannot directly solve the fault. Plus, you get a lifetime free internet updates, so you always have the latest software for diagnostics in English and Spanish languages
【Friendly Design, Easy of Use】This scanner is plug and play, simple and convenient, and very friendly for beginners. With improved buttons for easy menu navigation. The excellent 2.8 inch LCD color screen makes it easy to view the displayed results and gives you a better overview of your car's problem areas and the identified codes. In addition, the processor is super-fast and responds without lagging, providing maximum comfort and efficiency in diagnostic and service work

Rank No. #2

Autel AutoLink AL529HD with Screen Wiper OBD2 Scanner Heavy Duty Truck Code Reader AutoVIN Read/Erase DTCs O2 Monitor Test Check Live Data Advanced AL519/AL529 Compatible SAE-J1939/J1708 Black

Autel’s latest member of its code reader family of tools, the AL529HD can not only diagnose OBDII/EOBD-compatible vehicles but also heavy duty vehicles utilizing SAE-J1939 and SAE-J1708 protocols.
The AL529HD is a professional service tool designed for the Heavy Duty vehicle technician. This easy-to-use handheld tool supports J1939 and J1708 HD Communication protocols to read and erase codes, test and display and record Live Data. The tool also supports all 10 modes of OBDII communications.
AL529HD can read real-time PCM data stream, display real-time oxygen sensor test data, read, store and replay real-time sensor data, print data through Windows PC, multilingual (including English, Spanish and French) menus and DTC definitions.
AL529HD troubleshooting program code prompts to help technicians in effective vehicle diagnosis and maintenance, used for quick status check and driving cycle verification, color-coded leds and built-in speakers provide visual and audible tones to Verify that it is ready.
AL529HD AutoVIN function, quickly identify the code of a specific manufacturer, retrieve vehicle identification information (VIN, CALID and CVN), enhanced OBDII mode 6 access, suitable for domestic, Asian and European models from 1996 and above, A complete 12-month guarantee from the date of purchase.

SaleRank No. #3

NEXAS Heavy Duty Truck Scanner NL102 Full System Diesel Truck Scan Tool for Cummins, Isuzu, Freightliner, Caterpillar, Detroit, Peterbilt, 2-in-1 Code Reader Read & Clear Fault Codes for Truck & Car

Why NEXAS NL102 Truck Scan Tool? The NL102 outshines other truck scanner with its extensive diagnostic features. It offers full system diagnostics for major trucks meeting standard protocols, along with complete OBD2 functionality. Beyond read fault codes, clear codes and live data display, it enables vehicle info retrieval, freeze frame capture, and DTC lookup. Equipped with 6-pin, 9-pin, 16-pin connectors, it ensures broad truck compatibility. Plus, enjoy lifetime free updates in English, Spanish, and French, keeping your diagnostic scanner software current.
Wide Compatibility - Friendly Reminder: To avoid compatibility issues, please confirm with us via Amazon Messages before purchasing. This heavy duty truck scanner is compatible with all heavy-duty trucks and semi that adhere to standard protocols (J1587, J1939, J1708). It covers a wide range of vehicle models, including Cummins, Detroit, Caterpillar, Freightliner, International, Kenworth, John Deere, Peterbilt, Sterling, Mack, Paccar, Western Star, Mercedes-Benz, Volvo, Scania, MAN, Renault, ERF, Foden, Seddon-Atkinson, Iveco, DAF, SISU, STEYR, ISUZU etc. Equipped with 6-pin, 9-pin, and 16-pin connectors for versatile device compatibility, ensuring stable plug-and-play connections.
Save Hundreds of Money for All Heavy Duty Trucks – This diesel diagnostic scanner supports accurate full-system scans for all heavy-duty trucks that comply with standard protocols (J1587, J1939, and J1708). It can read and clear trouble codes across a range of vehicle systems, including the engine, transmission, instrument panel, drivetrain, brake system, suspension, ABS, ESP, EPS, fuel system, etc. The truck scanner communicates directly with your truck's computer to provide real-time data stream analysis, letting you pinpoint issues with precision. This cuts down on waste from unnecessary part replacements, saving you time and hundreds or even thousands of dollars.
All OBD2 Functions + Battery Health Monitoring – Unlike many obd2 scanners on the market that only cover partial OBD2 features, ours gives you full OBD2 capability: read & clear codes, live data, freeze frame data, I/M readiness checks, EVAP tests, on-board monitor, O2 sensor tests, vehicle info, and DTC lookup. That means more detailed insights for pros and DIYers alike. The NL102 isn't just a code scanner – it's a battery saver. Regularly check your car's battery health, and catch issues before it dies completely. No more unexpected no-starts in the driveway or on the road. It diagnoses battery condition accurately, helping you avoid costly last-minute repairs.
Plug and Play & One-click for DTC: NEXAS diesel scanner is user-friendly. It comes with an intuitive screen and easy-to-understand interface, making it accessible even for non-professionals to get started. And the built-in DTC library in the code reader allows you to directly retrieve codes without searching for definitions in books, making it easier to understand the code definitions and solve problems more quickly.

Rank No. #4

Autel AutoLink AL529HD Heavy Duty OBD2 Scanner, Code Reader, Retrieve Code VIN, OBDII Monitor Test, Review Read Erase Data View Live Data Freeze Frame Data Lite of MS909 MS919 MS Ultra

[Autel AL529HD] Autel AuloLink AL529HD can not only diagnose OBDII/EOBD-compatible vehicles but also heavy duty vehicles utilizing SAE-J1939 and SAE-J1708 protocols. It can retrieves generic (P0, P2, P3 and U0), manufacturer-specific (P1, P3 and U1) and pending codes and easily determines the cause of the Check Engine Light/ Malfunction Indicator Light (MIL).
[A Wonderful Code Reader] Autel AL529HD tool can read, store and play back live sensor data, view freeze frame data, view graphs data, read enhanced codes in Power train system for Ford, for GM and for Chrysler, clear codes. Note: Functions are NOT universal. Please send your VIN to mbdh2022@ outlook. com to check before purchase.
[Wide Vehicle Coverage] The AL529HD is ompatible with Heavy Duty Vehicles(domestic, Asian and European vehicles 1996 and newer) which complied with SAE-J1939 and SAE-J1708 protocols. OBDII/EOBD compatible Vehicles (ISO9141, ISO14230, ISO15765, SAE-J1850 PWM, SAE-J1850 VPW). Note: AL529HD is NOT universal. Please send your VIN to mbdh2022@ outlook. com to check before purchase.
[Identification and Information] Autel AL529HD is designed with AutoVIN function to identify manufacturer-specific code quickly. AL529HD also can retrieve Vehicle Identification No. (VIN), Calibration Verification Nos. (CVNs), Calibration ID Nos. (CINs) and track the In-use Performance on 2000 and newer vehicles that support Mode 9.
[Enhanced OBDII Mode 6 access] The On-Board Monitor Test is supported for non-CAN equipped vehicles and CAN-equipped vehicles. The scan tool allows access to the results of on-board diagnostic monitoring tests for specific components/systems and enables you to read the definition of an On-Board Diagnostic Monitor ID.

SaleRank No. #5

Heavy Duty Truck Scanner,Full System Diesel Diagnostic Scan Tool and Code Reader for Cummings, Detroit,Freightliner,International,Paccar,Check Truck Engine and Car 2 in 1 Code Reader/OBD2 Scanner

【2025 Newest OBD2 Scanner Diagnostic Tool】The NC601 is a cutting-edge OBD2 scanner for vehicles from 1996 onwards, covering cars, minivans, and light trucks. It supports multiple protocols, including J1850, ISO_9141-2, ISO_14230-4, and ISO_15765-4. Please note that this device does not support vehicles using the 1708 protocol. This scanner checks engine diagnostics, determines check engine light causes, reads/erases trouble codes, and offers battery tests, smoke tests, fuel tests, and access to a trouble code library with over 50,000 entries. Compatible with OBDII 16-pin and 9-pin connectors (gasoline and diesel), it suits Cummins, Caterpillar, Detroit, Packard, and other diesel engines.
【 Full System Diagnostic】The NC601 OBD2 scanner is ideal for most OBDII-compliant vehicles updated after 1996. This lightweight, easy-to-carry tool offers simple operation and fast diagnosis. It covers real-time data, freeze frame, DTC reading/clearing, oxygen sensor tests, on-board testing, smog checks, I/M readiness, EVAP tests, vehicle information, MIL status, battery tests, fuel analysis, data monitoring, DTC queries, data playback/recording, and settings. As a new OBDII diagnostic tool, it allows deep system analysis and DIY repairs, saving time and money.
【Comprehensive Vehicle Coverage & Engine Diagnostic Capabilities】NC601 OBD2 scanner is suitable for most OBDII-compliant vehicles updated after 1996 (OBDII protocol//16-pin diagnostic interface: J1850 (PWM, VPW), ISO_9141-2, ISO_14230-4 (KWP , KWP-5BPS), ISO_15765-4 (CAN, CAN-B, CAN-C, CAN-D)) Compatible vehicles - cars, light trucks, pickups, SUVs, etc. This product Easy to carry, simple to operate, fast diagnosis, large memory, comprehensive code base, powerful performance and novel design for car owners.
【Enhanced Diesel OBD Scanner】The NC601 Diesel OBD Scanner excels in heavy-duty truck diagnostics. It reads/clears codes, displays live data, retrieves vehicle information, freeze frames, and DTCs. With 9-pin and 16-pin cables, it ensures compatibility with various engines. This scanner comprehensively supports heavy-duty truck engines, making it indispensable for truck diagnostics. It works with all OBD II compliant vehicles, including those with next-generation Control Area Network (CAN) protocols.
【DTC Library+Life Time Free Update】The NC601 scanner features a built-in DTC library, allowing direct code retrieval without consulting books. Suitable for professionals and DIYers, this diesel scanner explains problems, simplifies code understanding, and speeds up repairs. Lifetime free updates ensure the latest diagnostic software, keeping the tool current with vehicle technologies and protocols.

Rank No. #6

ANCEL HD100 Heavy Duty Truck Scanner with DPF Regen for Cummins & CAT Engines, Bluetooth Diesel Diagnostic Tool with All-System Scan, HDOBD & OBD2 Code Reader for Semi Trucks, Lifetime Free Updates

【SMALL TOOL, BIG DIESEL POWER – Bluetooth DPF & Full-System Diagnostics】The ANCEL HD100 packs the capability of a heavy-duty truck scanner into a compact Bluetooth device designed for diesel trucks. It supports DPF regeneration, diesel engine/ABS/transmission all system diagnostics, live data, fault code reading/clearing, voltage checks, and full OBD2 functions. Plug the rugged 9-pin or 16-pin connector into your truck, connect through your phone, and access real-time diesel data and system status within seconds for efficient, portable maintenance
【SINGLE – OPERATOR DPF REGENERATION, EFFORTLESS】Restore performance when soot levels rise. The HD100 supports DPF regen, reset and cleaning-related code management on compatible Cummins and Caterpillar engines. Access the DPF menu through your phone and follow clear steps to run the procedure. A compact option for drivers and technicians needing fast, reliable diesel maintenance without additional equipment
【WIRELESS TRUCK DIAGNOSTIC – FAST CONTROL FROM YOUR PHONE】Go fully wireless with Bluetooth pairing to your iPhone or Android. The HD100 eliminates cables and lets you run diesel truck diagnostics directly in the ANCEL Trucker App—read/clear codes, view live data, check system status, and access Diesel OBD menus with quick response. Ideal for roadside checks, fleet yards, and mobile tech work where convenience and speed matter
【ALL-SYSTEMS DIAGNOSTIC SCANNER – ENGINE, ABS, TRANSMISSION & MORE】This ANCEL HD100 provides mechanic-level diagnostics for Freightliner, Paccar, Kenworth, Peterbilt, International, Volvo, Mack, Western Star, semi trucks, and buses. Read and clear codes for engine (Cummins, Caterpillar, Detroit, Paccar), ABS, and transmission (Allison, Bendix, Eaton, Wabco, ZF). Supports SAE J1939, SAE J1708, SAE J1850 PWM, SAE J1850 VPW, ISO 14230-4, ISO 9141-2, ISO 15765-4, ISO 27145-4 standard protocols
【2-IN-1 OBD2 + DIESEL SCANNER – PERFECT FOR TRUCKS & CARS】Use it as both a semi-truck diagnostic tool and a standard OBD2 scanner. In addition to reading and clearing fault codes, it lets you view live data, access ECU and vehicle information, and supports advanced functions like freeze frame, I/M readiness, on-board monitor test, and more. The built-in DTC Lookup helps you quickly understand fault code definitions and troubleshoot with confidence—making it an essential tool for comprehensive vehicle maintenance across diesel trucks

SaleRank No. #7

ANCEL HD430 Heavy Duty Truck Scanner, DPF Reset & Forced Regeneration for Cummins & Caterpillar Engine, Full System HDOBD Diesel Scanner OBD2 Diagnostic Scan Tool Code Reader for Diesel Trucks & Cars

【Wide Compatibility】HD430 supports 12V 24V trucks, equipped with diesel connectors (CAT-9, Diesel 6pin & 9pin) and OBDII 16pin, with strong truck adaptation and compatibility. Product supports SAE J1939, SAE J1708, SAE J1850 PWM, SAE J1850 VPW, ISO 14230-4, ISO 9141-2, ISO 15765-4, ISO 27145-4 truck protocols, provides complete scan & fast scan, and available in English and Spanish, it is suitable for DIY enthusiasts, old-school mechanics, truck owners or small repair shops.
【 D.P.F Regen For Cunmmis & Caterpillar】HD430 supports Cummins and Caterpillar engines for D.P.F reset & regeneration, helping to remove diesel particles from truck D.P.F & meet maintenance schedules, thereby avoiding fault codes, maintaining engine performance, and extending D.P.F & truck life. Even if you aren't a professional mechanic, you can easily perform D.P.F regen using HD430 according to clear instructions, which can help your truck avoid roadside obstacles while reducing your repair time & cost.❕❕❕Note: Not compatible with pickups/light trucks.
【Diesel Full System Diagnostic Tool】HD430 has excellent diagnostic performance, quickly scanning truck systems, detecting truck faults, while supporting the engine, ABS, transmission, fuel system and more. Read the fault code and DTC Lookup help you understand the cause of the fault, quickly clear the fault code after maintenance, so provide you with good maintenance assistance and convenience. HD430 heavy duty truck scanner will provide efficient, fast scanning of your truck system.
【Enhanced Diesel & Gasoline Scanner】HD430 has full HD OBD/EOBD/OBDII functions and supports heavy duty trucks with Cummins, Caterpillar, Detroit and Paccar engines. In addition to read & clear fault codes, view live data, ECUs, vehicle information, it also supports functions such as freeze frame, I/M readiness, on-board monitor test, etc. At the same time, the built-in DTC Lookup helps you instantly see what a fault code means and what needs to be repaired, providing strong support & convenience for your vehicle maintenance.
【Advanced Hardware & Design】4.3-inch screen, 8G memory, 8G TF, 2.4G Wifi & other hardware, your truck repair process will be more stable. Wifi Lifetime Free Update, you can always keep up with the latest diagnostic functions and optimized performance of HD430, compared with others, you can avoid expensive update subscription fees. The imperial conversion to meet your needs for the use of the unit of measurement. Unique horizontal screen button design, your operation will be more comfortable and convenient.

Rank No. #8

lydesor J1939 9 Pin to OBD 2 Female Adapter Cable,Work with Truck Diagnostic Scanner Type 2 Green J1939 Diagnostic Connector,OBD to 9 Pin J1939 Y Cable Fit for Heavy Duty Commercial Truck ELD GPS

【High Performance】This j1939 9 pin to obd2 adapter cable integrates j1939 heavy duty truck standard diagnostic functions.
【Easy to install, 3-second connection diagnostics】This truck diagnostic cable Converts the round green type 2 9 pin J1939 connector to 16 pin OBD II for using with OBD2 scan tools or other diagnostic devices.
【Wide Compatibility】The diagnostic scanner cable adapter applicable to J1939 OBD2 9 pin male to female and 16Pin long cable for all OBD2 interface cars. Compatible with 2015+ for Freightliner/for Kenworth/for International, 2016+ for Volvo & for Western Star with cummins diesel engine, etc.
【Sustainable use 2000+ times】The OBD2 to 9 pin J1939 Y cable for heavy duty truck is made of high-strength ABS material for maximum durability. And it has flame retardant, precision die molding, stable safety and anti-interference.
【Easy to use】Plug and plug, ideal for applications like truck GPS, ELD & diagnostic tools. This diagnostic plug 9pin j1939 are an affordable alternative to expensive diagnostic tools, making them a cost-effective solution for truck owners and mechanics alike.

SaleRank No. #9

ANCEL HD110 Heavy Duty Truck Scanner with DPF Regen and Reset for Detroit Paccar Engine, Full System HDOBD & OBD2 Scanner for Diesel Trucks Lifetime Free Updates

Regain Power, Save Thousands: The HD110 modern semi-truck scan tool’s DPF Regeneration clears clogged filters in minutes! Stop paying for costly shop visits—perform on-demand DPF regen directly from your cab, anytime and anywhere. This diesel scanner diagnostic tool works with all major engines (Detroit, Paccar), including DPF regeneration tools to keep your truck running strong, boost fuel efficiency, and avoid breakdowns. Don’t let a clogged filter stop you—get back on the road faster
For Detroit and PACCAR Engines: The HD110 Bluetooth Heavy Duty Truck Scanner is built specifically for Detroit and PACCAR engines. This powerful truck scanner diagnostic tool comes with all the necessary adapters, including 16-pin and 9-pin, to support a variety of diesel trucks. Common engine models include PX-7, PX-9, MX-11, MX-13, DD13, DD15, DD16, and more. Whether you need an OBD scanner for diesel trucks or a diesel scan tool, this tool has you covered to keep your truck performing at its best
All HDOBD/OBD2 Diagnostics—Comprehensive Engine Check: The HD110 diesel scanner works with a wide range of diesel engines and supports full HDOBD and OBD2 diagnostics. Easily monitor performance, identify engine issues, and clear fault codes with this code reader for diesel trucks. Whether you’re on the road or in the shop, get real-time, accurate data to keep your truck in top shape and prevent unexpected breakdowns. Perfect for fleet operators who need quick and reliable diagnostics
Free Upgrades, No Subscription Fees—Maximum Value: Get free life-time software upgrades with the HD110 diesel scanner—no subscription fees! Stay current with the latest updates and enhancements without any extra costs. This is the cost-effective choice for truckers who want a reliable diesel scanner without ongoing fees. Maximize your investment with the most up-to-date technology for your truck’s diagnostics
Easy to Use, Simple Interface—Get Started in Minutes: Designed for simplicity and portability, the HD110 diesel scanner is incredibly easy to use. Just plug it in, scan, and go. This truck scanner is compact and lightweight, perfect for owner-operators, small fleets, and technicians. Whether you’re using it as an OBD2 scanner for diesel trucks or a general diesel scan tool, its user-friendly interface ensures a smooth, hassle-free experience. No complicated setups—just quick diagnostics when you need them most

Rank No. #10

iCarsoft Heavy Duty Truck Scanner HD V3.0 All System Diesel Diagnostic Scan Tool Battery Test Code Reader for Freightliner, Paccar, International, Mack, Volvo, Hino, Isuzu, Cummins Heavy Duty Trucks

【Extensive Compatibility】2025 Version! All systems diagnostic only for heavy duty truck! iCarsoft HD V3.0 Black heavy duty truck scanner supports all heavy truck truck models with protocols J1939(CAN), J1708(RS485), J1587(RS485), ISO 14230-4, ISO 15764-4, ISO 27145-4 and Euro 6. Come with OBD16-9 adaptor, OBD16 and OBD16-6 adaptor for Freightliner, Kenworth, Cummins, Mack, Volvo, Caterpillar, Western Star, Hino, Isuzu, Detroit, Perkins, Maxxforce, International, Peterbilt, Ford, GM, Chrysler, Class 4-Class 8 trucks, etc.
【Full System Diagnostic】This Diesel Scanner supports all system scans of heavy duty trucks compliant with standard protocols J1587, J1939 and J1708, such as Engine, ABS, Transmission, lnstrument Panel, Braking System, Suspension, ESP, EPS, Fuel System, etc. This truck tool does a deep diagnostic to the system, so you can get deep analysis data about the system and do some repairs by yourself, saving much time and money. Please note! Not all function listed above are applicable to all trucks. If you are not sure if your truck is heavy duty or light duty truck, or if you are unsure of which protocol your truck supports, please send us the VIN before you buy. We will resolve your issue in time.
【Enhanced 2-IN-1 Scanner for Trucks & Cars】iCarsoft HD V3.0 Black OBD Scanner do full OBD diagnostic for trucks and cars. Such as Read & erase codes, EVAP system test, On-board monitoring, retrieves vehicle information, I/M readiness, freeze frames, O2 sensor test and DTCs. Warm Tips: this item just a diagnostic scanner for read & erase codes, there are no reset function.
【DTC Library】Built-in DTC library for look up, allows reading PCM live data stream with graphic display for more convenience to professional mechanic or a DIY car owner to understand the codes definition and know the truck or car information easily, and fix the problem faster.
【Over 100+ Graphic Live Data】iCarsoft HD V3.0 Black works super-fast and responds, brings accurate in-depth diagnostic result. it do all services of read/clear DTC & live data monitoring for J1939/J1587&J1708 protocol trucks, the in-depth diagnostic for all systems to dig out every system live data (every system has at lease 22 graphic live data)-for example, J1939 protocol truck cover 6 system diagnostic and the engine system live data contains 15 data modules,every data module has about 22 SPN live data for graphing; J1587&J1708 protocol truck has 8 systems with over 100 graphic data. Warm tips: graphic data volume will be different based on diesel vehicle brands

Last update on 2025-12-28 / Affiliate links / Images from Amazon Product Advertising API

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We provide an J1939 Scanner 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 J1939 Scanner currently available on the market.

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Brand Value: Every brand of J1939 Scanner 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.
Features: What bells and whistles matter for an J1939 Scanner?
Specifications: How powerful they are can be measured.
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Product Reliability: How sturdy and durable an J1939 Scanner is should be an indication of how long it will work out for you.

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FAQ:

Q: What is the J1939 data link?

A: SAE J1939 defines five layers in the seven-layer OSI network model, and this includes the Controller Area Network (CAN) ISO 11898 specification (using only the 29-bit/”extended” identifier) for the physical and data-link layers. Under J1939/11 and J1939/15, the data rate is specified as 250 kbit/s, with J1939/14 specifying 500 kbit/s.

Q: What is J1939 software stack?

A: What is J1939 stack? J1939 stack is an embedded software stack with layered architecture, compliant with SAE J1939 standard. This pre-tested software stack, designed by our embedded automotive engineers, can be easily integrated with commercial vehicle applications for diagnostics and communication services.

Q: What is diagnostic scan tool?

A: A scan tool is a car diagnostic tool that can exhibit a wide range of features. Scan tools typically include a code reader, the ability to view and sort live data, and some type of knowledge base.

Q: What is an automotive scan tool?

A: An automotive scan tool (scanner) is an electronic tool used to interface with, diagnose and, sometimes, reprogram vehicle control modules.