5 Best Heavy Duty Truck Diagnostic Scanners Review 2019

Heavy-duty truck diagnostic scanners will tell you the problem and how to do the quick fixes yourself. One of the prime reasons they are highly useful to have on hand. Repair jobs on trucks are expensive, but you can always cut down costs by doing the diagnostic tests yourself.

However, most truck owners know that it’s not as easy to find good scan tools for trucks as it is for cars. Even though there are so many scan tools available online and in-stores, most are incompatible with heavy duty trucks.

Not only that, but you may also find it challenging to narrow down the good options. This article aims to make your life easier by listing out the top five heavy-duty scanners, their features, their protocols, their shortcomings, and their benefits.

Heavy Truck Diagnostic OBD2
Heavy Truck.
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Best Truck Scanners Reviews

Heavy Truck Scanner
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Here are some of the top options:

1
LAUNCH CReader HD Plus Heavy Duty Truck Scan Tool With Full OBD-II Modes

LAUNCH CReader HD Plus
LAUNCH CReader HD Plus Heavy Duty Truck Scan Tool With Full OBD-II Modes
44 / 5
The LAUNCH CReader has broad compatibility with all heavy duty trucks having J1587, J1708, and J1939 protocols. It covers trucks ranging from class 4 (14, 000 pounds) to class 8 (above 33,000 pounds).

Features of this truck diagnostic tool

The LAUNCH CReader is a HOBD heavy truck scan tool. You can use it to read and erase diagnostic trouble codes (DTCs) on various car systems, including engine, transmission, brake, fuel, climate control unit, etc.

Furthermore, this truck scanner has complete OBD2 functionality with an extensive database of DTCs. You can turn off your Check Engine lights and see real-time engine data, including O2 sensor and EVAP system data. You can even pause, playback, and stream your car’s information. Hence, it is easy for you to monitor any changes.

Who should buy this truck scan tool?

The LAUNCH CReader has broad compatibility with all heavy duty trucks having  J1587, J1708, and  J1939 protocols. It covers trucks ranging from class 4 (14, 000 pounds) to class 8 (above 33,000 pounds).

Compatible truck brands: OBD2 and HOBD Fords, Chevrolets, GMs, Freightliner (after 2006), Kenworth (after 2006), Mack (after 2006)

Pros

  • Comes with six, nine, & sixteen pin adapters
  • 2.8’’ LCD screen
  • Free updates
  • Highly efficient
  • Great customer service

Cons

  • Relatively expensive
  • No warranty

2
NEXAS NL102 Plus Heavy Duty Truck Scan Tool with Oil Reset / Force DPF Regen

 NEXAS Heavy Duty Truck Scanner
NEXAS NL102 Plus Heavy Duty Truck Scan Tool with Oil Reset / Force DPF Regen
3.53.5 / 5
NEXAS NL102 Plus is a good truck diagnostic tool for domestic truck users as it’s easy to work and understand.

Features of this truck diagnostic tool

Apart from the usual read and erase functions, the NEXAS NL102 offers support for multiple car systems including engine, ABS, SRS, transmission, braking system, suspension, ESP, etc. The built-in DTC database has detailed descriptions of each fault and even suggests fixes so you can receive info for all these systems and do the minor repairs yourself.

Moreover, this heavy duty scanner has a “Battery Power Monitor” feature. This means that if your battery voltage is fluctuating less than 11.8 V, the scanner will notify you to restart the engine and recharge the battery.

Who should buy this truck scan tool?

NEXAS NL102 Plus is a good truck diagnostic tool for domestic truck users as it’s easy to work and understand. The user manual comes with proper illustrations detailing each function.

You can use this truck scanner for all J1587, J1939 and J1708 heavy-duty trucks. Moreover, it has 2-in-1 compatibility as it can also work for all OBD2 and EOBD cars, light trucks, and hybrids.

Compatible truck brands: Freightliner, Kenworth, Sterling, Paccar, Caterpillar, Western Star, Mercedes-Benz

For the full list, consult the online user manual.

Pros

  • Two-year warranty
  • Relatively affordable
  • Easy to use
  • Supports OBD2 cars as well
  • User manual available

Cons

  • Misreads codes sometimes
  • Only compatible with select trucks

3
Kzyee KC601 HOBD Heavy Duty Scan Tool with Live Data

 Kzyee KC601 Heavy Duty Scan Tool, HD Truck Diagnostic Scanner Transmission DPF Code Reader
Autel ML529HD Heavy Truck Scan Tool for J1939 & J1708
3.73.7 / 5
This heavy-duty truck code reader is suitable for all J1939 and J1708 compatible diesel and gasoline trucks and cars. It’s particularly a good choice for mechanics and other auto-professionals with its advanced features and quality.

Features of this truck diagnostic tool

This Kyzee KC601 Heavy-Duty Scan Tool gives you detailed diagnostic reports that list out the problem, its definition, as well as show you the live feed, vehicle information, and ECU information for the truck.

The vehicle information it lists out includes but is not limited to your transmission details, fuel economy, engine speed, total vehicle hours, total vehicle distance, total RPMs, idle hours, etc.

The Kyzee KC601 scanner comes with a USB cable so you can connect it to the internet whenever it needs an update. A step-by-step guide on updating is provided in the user manual. 

Who should buy this truck scan tool?

This heavy-duty scan tool is suitable for all owners of class 8, diesel trucks with J1939, J1587, or J1708 protocols. It doesn’t matter if you’re a professional or domestic truck user. This heavy-duty scanner provides sophisticated yet user-friendly features, making it both functional and easy to understand. 

Compatible truck brands: Cummins, Caterpillar, Freightliner, International, Peterbilt, VOLVO, Mercedes Benz, Mack, Detroit, Kenworth

Pros

  • Two-year warranty
  • Lifetime free updates
  • Efficient customer support
  • User manual available
  • Comes with six, nine, & sixteen pin adapters

Cons

  • Relatively expensive
  • Only compatible with class 8 trucks

4
Autel ML529HD Heavy Truck Scan Tool

 Autel ML529HD OBD2 Code Scanner 
Autel ML529HD Heavy Truck Scan Tool for J1939 & J1708
55 / 5
This heavy-duty scan tool is suitable for all owners of class 8, diesel trucks with J1939, J1587, or J1708 protocols. It doesn’t matter if you’re a professional or domestic truck user. This heavy-duty scanner provides sophisticated yet user-friendly features, making it both functional and easy to understand.

Features of this truck diagnostic tool

The Autel ML529 Heavy Truck Scan Tool has ten different modes of OBD2 functions. It can read live data, reset Check Engine lights, and give you 100% accurate reports on your trucks engine health. This heavy-duty scanner will provide you with a wide range of data, including an O2 sensor, emissions testing, and I/M readiness.

Additionally, you can see all this information in graph or numerical form on a wide, HD screen. The screen is easy to look at and understand as you can look up any trouble code in the DTC library. This truck scanner will give you a clear dictionary definition that you can understand without any professional.

The Autel ML529 also has frequent upgrades to remove any software bugs or defects. If you have concerns about your scanner, you can simply contact their customer support.

Who should buy this truck scan tool?

This heavy-duty truck code reader is suitable for all J1939 and J1708 compatible diesel and gasoline trucks and cars. It’s particularly a good choice for mechanics and other auto-professionals with its advanced features and quality.

Compatible truck brands: Specifically suitable for Fords, GMs, and Chryslers

Pros

  • One-year warranty
  • Free software updates
  • Relatively affordable
  • Supports OBD2 functions
  • Very accurate readings

Cons

  • No user manual
  • Doesn’t support ABS & SRS systems
  • Heavyweight

5
LAUNCH X431 V+ Diagnostic OBD2 Android Tablet + X431 HD Heavy Duty Truck Diagnostic Module

 Kzyee KC601 Heavy Duty Scan Tool, HD Truck Diagnostic Scanner Transmission DPF Code Reader
Autel ML529HD Heavy Truck Scan Tool for J1939 & J1708
3.73.7 / 5
This heavy-duty truck code reader is suitable for all J1939 and J1708 compatible diesel and gasoline trucks and cars. It’s particularly a good choice for mechanics and other auto-professionals with its advanced features and quality.

Features of this truck diagnostic tool

The LAUNCH X431 is the ultimate diagnostic tool for heavy duty trucks. It has a quick auto-scan feature that’ll give you accurate results with fast speed. The diagnostic module has a touchscreen interface, making it simple and straightforward for users.

Additionally, this heavy duty scan tool has Bluetooth connectivity, eliminating the need for long USB cables and USB compatible outlets. You can connect the scanner with any Android or Windows devices (iOS doesn’t support Bluetooth).

You can run multiple diagnostic tests and repairs using this device. Furthermore, the latest version of the LAUNCH X431 has a higher storage and hardware configuration. It displays all your information on a 10-inch touch screen. You don’t need to charge it much as it comes with long battery life.

Who should buy this truck scan tool?

The LAUNCH X431 HD Diagnostic Module supports over 68 brands. It’s compatible with over 220 models of heavy-duty trucks from the U.S., Europe, and Asia. Specifically, the LAUNCH X431 is suitable for J1939 and J1708 trucks and OBD2/EOBD compliant cars.

Compatible truck brands: VOLVO, Audi, Ford, Chrysler, GM, Mercedes Benz, BMW, Saab, VW, Dacia, Land Rover, Jaguar, Renault, Smart, Sprinter

Moreover, to see the full list of compatible brands, visit the seller’s website.

Pros

  • Wireless connection
  • Quick Start Guide included
  • Three different adapters
  • Can be used in eight languages
  • One-year warranty

Cons

  • Expensive
  • Heavyweight

Comparison of the Best Heavy Duty Truck Diagnostic Scanners

Now, that you’ve seen our list, it’s time to decide which scanner is the best pick for you. To help you decide, we have laid out our picks side-by-side so you can compare the functions, protocols, and features of each one.

Hence, here is a comparison chart of our picks for the five best heavy duty truck diagnostic scanners.

Launch CReaderNexasKzyeeAutelLaunch X431
Item weight1.9 pounds1.8 pounds2.4 pounds2.26 pounds34.3 pounds
Item dimensions10.2 x 7.2 x 2.5 inches10 x 7.2 x 3 inches10.5 x 7.5 x 3.4 inches11.4 x 10.3 x 3.6 inches24.4 x 17.1 x 13.9 inches
Reset Check Engine lightYesYesYesYesYes
OBDII functionsYesYesNoYesYes
ABS diagnosticsNoYesYesNoYes
SRS diagnosticsNoYesNoNoYes
Transmission diagnosticsYesYesYesYesYes
Brake system diagnosticsYesYesYesYesYes
Fuel system diagnosticsYesYesYesYesYes
Protocols supportedJ1587, J1708, and J1939J1587, J1939, and J1708J1939, J1587, and J1708J1939 and J1708 onlyJ1939 and J1708

Conclusion

In sum, we hope our review of the five best truck scanners was useful. A heavy-duty truck code reader is a hard find, but we hope to have made your search easier. However, make sure to map out which features are your priority and see which one of our picks matches your needs.

Each of these heavy duty diagnostic scanners is of top quality and will give you great results.

Hence, whether you’re a mechanic or simply a truck enthusiast, these scanners won’t let you down.

Read more: 10 Best OBD2 Scanners (Complete Review and Buying Guide) in 2019

Heavy Duty Truck Scanner (HDTS) for all models and DPF Force Regenerator.
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