It is always difficult when it comes to decide and making final call choosing diesel diagnostic tool, hence we are here today so be sure to check the product reviews that will solve your confusion and save time. Reviews are a great way to find out if the product is right for you and whether it has any design flaws. If there are multiple bad reviews, you may want to look at other products. Negative reviews can tell you a lot about the product, including things you may not have thought to consider. They can tell you about any potential issues with the product. They can also tell you about issues with the manufacturer’s customer service. To help you out, we’ve collected reviews of what we think are the diesel diagnostic tool this year. Before you proceed with anything, read through our thoughts on the top diesel diagnostic tool, as well as an overview of what you need to know when considering your buying
This is the ultimate buyers guide diesel diagnostic tool.
The Best diesel diagnostic tool
![[2023 New] Launch X431 PRO3S+HDIII,Diesel&Gasoline Bidirectional Diagnostic Scan Tool,Cars&Heavy Duty Trucks All Systems Scanner,Key Program,ECU Coding,50+Service,Cars&Trucks Connector Kits](https://m.media-amazon.com/images/I/51W7l+YIByL._SL160_.jpg)
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ANCEL HD3600 Heavy Equipment Diagnostic Tool with DPF Regen, Full System Heavy Duty Truck Scanner...
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The Best diesel diagnostic tool
ANCEL HD3500 Pickup Truck OBD2 Scanner with Bidirectional/Service Reset, All Systems Diesel Diagnostic Tool Light Truck & Car 2 in 1 Code Reader for Ford/Dodge/Chevy/GMC/Toyota/Honda/Nissan/Isuzu
$399.98
in stock
Amazon.com
as of July 5, 2025 1:51 pm
Features
- 【Perfectly compatible with pick-up & Light trucks】Ancel HD3500 pickup truck scanner can read/clear codes, graph live data, retrive ECU information, DPF functions, service reset, active test, etc. Works with most pickup trucks on the North America market. Such as Ford, Dodge Ram, Chevrolet, GMC, Toyota, Honda, Nissan, Isuzu; powerstroke engine/ duramx diesel engine, ect.
- 【2024 Newest Professional Reset Tool】The ANCEL HD3500 diesel scan tool provides you with Fulll DPF functions, including active(auto) regeneration, passive regeneration, DPF/DPD Regeneration, DPF reset, DPF/DP parameter reset, DPF Regeneration Suspension, DPF Replacement, DPF Pressure Sensor Learn/Reset, DPF/Catalyst 2 Reset etc. it comes with OEM level DPF functionality, saving you the cost of purchasing a DPF.This function only support on some pickup,contact us if you cann't confirm it.
- 【Perfect Service Reset & Bidirectional Test】HD3500 pickup truck diagnostic scanner can provide special functions and active test, such as Oil Reset, Brake Reset, ABS Bleeding, Injector reset, SAS Reset, TPMS Reset, BMS Reset, ETS Reset, AFS Reset, EGR Reset and more depending on make & model! Note: Please send VIN number(s) of the vehicle(s) to us, if you are not sure whether this scanner is compatible with your vehicle or not.
- 【Lifetime Free Update】+【Pin Detect Function】Pin Detect function is used to diagnose the connection status of the OBD inter face and detect whether the pins are damaged. This diesel code reader also allow you get the latest version at any time with free update via WIFI .Moreover,Compared to the normal OBD diagnostics which need to cost hundreds of dollars to update the newest version, Our Product-Ancel HD3500 can save you a lot of money on annual expenses.
- 【Available for Diesel OBD & OBDII Protocols】Ancel HD3500 is a 24V diesel truck scanner and also a 12V OBD2 scanner ,which mean it is a Diesel Diagnostic Scan Tool Truck & Car 2 in1 Code Reader.Our product-HD3500 diesel scanner also fits for OBD standard protocols, including J1587, J1939, J1708, J27145, SAE J1850 PWM, SAE J1850 VPW, ISO 14230-4, ISO 9141-2, ISO 15765-4 and ISO 27145-4 etc.
Autel Maxisys CV MS908CV, 2023 Heavy Duty Truck Scanner, Semi Truck Tool with J2534 ECU Programming, Coding, Active Test, 25 Special Services, 23 Adaption Functions, Bluetooth Diesel Diagnostic Tool
$2,899.00
in stock
3 new from $2,899.00
Free shipping
Amazon.com
as of July 5, 2025 1:51 pm
Features
- 【Why We Updated MS908CV to 2025 MS908CV II】Seeking a great leap forward in faster diagnostic speed, 2025 Autel New Release MS908CV II renews full hardware with the same CPU as MS909CV, fast Android 10, larger 4+128GB, and lasting 15000mAh. Latest tech & updates provide future-proofing power to more CV/HD vehicles (class 1-9). Heavy duty truck scanner MS908CV II comes with improvements in 64+ services, adds 3000+ active tests, enhances ECU coding & J2534 programming for better multitasking.
- 【64+ Services, 1 Scanner for 99% Issues】An affordable choice to compete with OEM scanners with more advanced functions while having less budget. Autel MS908CV II features 39+ services & 25+ adaptions for 150+ brands that are easy to navigate and more outstanding than other CV diagnostic scan tools. Help to solve more HD special issues including oil reset, VGT learning, SAS reset, injector coding, air suspension, ABS bleeding, etc.
- 【Local-Smith Coding + J2534 Programmer】Same as MS909CV, MS908CV II features advanced CV ECU coding that normal diagnostic tools don't support. It allows you to adjust vehicle road speed, flash CV personalized functions, repair failing coding processes, etc. A J2534 programmer designed for CV helps to fix drivability, erase fault codes, program the latest software version, etc. without using expensive OE scanners but functioning well at OEM level.
- 【OE All-System Diagnosis & Active Test】Work on 150+ makes of CV vehicles, MS908CV II conducts simplifying all procedures as the priority, runs full checks for complex CV systems like ECAS, ABS/EBS, reads DTCs to locate the fault, clears DTCs to turn off the MIL, retrieves live data to learn about the details. 3000+ active tests act more accurately but quicker problems location without bulky parts disassembling. Even minor problems can be caught/confirmed.
- 【2025 Top Truck Scanner, Complete Ki】New hardware upgrades have the MS908CV II Semi truck scanner a longer lifespan and quick payback. Octa-core CPU + Android 10OS for faster task handling. 4GB/128GB adds larger storage. 9.7”, 1536*2048 screen with more intuitive display. 15000mAh battery for 15+ hours of continuous operation. Wirelessly BT with 230+ meters working range. The complete kit provided includes various adapters that are designed for diagnosing aging class-3 CV vehicles.
ANCEL HD3400 Plus Heavy Duty Truck Scanner Diesel Scan Tool Fit for Cummins, Detroit, Caterpillar, Paccar with DPF Regen, All Systems Diagnostic Truck Scanner for Semi/HD Truck & Car OBD2 Code Reader
$399.99 in stock
2 new from $399.99
Free shipping
Amazon.com
as of July 5, 2025 1:51 pm
Features
- Extend DPF Life and Avoid Costly Repairs: Enhance your truck's performance with focused DPF care; featuring DPF regeneration, reset, and DPR state control for engines like Cummins, Detroit, Caterpillar, and more; save $10,000 to $30,000 in potential repairs; improve fuel efficiency and extend engine life; maintain reliable operation and reduce maintenance costs over time
- Designed for Cummins Engine Vehicles: Fits almost all Cummins engines (ISB, ISC, ISD, ISG, ISK, ISL, ISX, ISM, ISN, QSB, X12, X15, B6.7, L9, L9N, QSM11, and more) commonly found in trucks like Freightliner, Kenworth, International, Peterbilt, Mack, Volvo, Western Star, Autocar, Terex, and school buses like Thomas/Blue Bird, It's also compatible with Komatsu/Sany machinery, Agrifac vehicles, RVs, and more. Note: For RVs with non-Cummins engines, please confirm engine type to verify compatibility
- Maximize Caterpillar Engine Performance: Diesel scanner designed for Caterpillar engines (C7, C9, C11, C13, C15, C32, and more) in trucks like Caterpillar, Freightliner, Peterbilt, and Kenworth. Features include code reading/clearing, live data streaming, ECU retrieval, DPF regeneration, and more; unlock your engine's full potential with enhanced diagnostics and maintenance
- Designed for Detroit Engine Trucks: This heavy duty truck scan tool is compatible with a wide range of heavy duty commercial trucks – class 7 and class 8, medium duty trucks, light duty trucks and semi-trucks equipped with Detroit engines, including DD13, DD15, DD16, Series 50, Series 60, MBE 900, MBE 4000, OM501, OM502, DDDL 6, and DDDL 7
- Designed for Paccar Engine Trucks: This heavy-duty truck scanner diagnostic tool is specifically designed for Paccar engines, including Paccar PX-7, PX-9, MX-11, MX-13
2023 Newest Elite LAUNCH X431 PRO3S+ Bluetooth Bi-Directional Scan tool,HD Diesel Trucks Scan,Online Coding&35+ Service for All Cars,OEM ALL System Diagnostic Scanner, Free VAG Guide,2-YRS Free Update
$1,169.00
in stock
Amazon.com
as of July 5, 2025 1:51 pm
Features
- 2025 NEW Elite 5.0 Version Diagnostic Scanner: LAUNCH X431 PRO3S+ V5.0 bidirectional scanner has more advanced commercialized functions. FREE VAG GuidanceFunctions(fit for VW,fits for AUDI,fits for SKODA,fits for SEAT); ECU Coding; Wider vehicle coverage, supports AutoAuth for FCA SGW(Free）which makes it fits for Chrysler,fits for Dodge,fits for Jeep,fits for Alfa Romeo and fits for Fiat after 2017; Compatible with HD module, support 24V diesel heavy-duty trucks; ADAS mobile or ADAS pro or Perform ADAS calibration operations;Function enable and disable or brush hidden and more
- Advanced OEM Functions and Parameters and 2 Years Free Update: Adds loads of OE-Level elite features as Online Coding (fit for VW, fits for Audi, fits for Skoda,fits for Seat) Setting & Changeover (unlock the engine after a collision, cancel ABS driving test, and more) for Benz ,Modification for BMW Offline Coding ,Customization，Personalization, for worldwide vehicle brands, and keep growing
- All System Diagnostics and Wider Regional Vehicle Coverage: LAUNCH X431 PRO3S+ V5.0 automotive scanner can read or erase codes, view live data, retrieve ECU version information, do active test and service functions for all systems including ECM, TCM, ABS, SRS, BCM, BMS, TPMS, SAS, Fuel System, Light System and A or C system etc. One-click Auto VIN is available with WiFi enabled.Launch x431 PRO3S+ V5.0 can scan 200 car brands, more than 10,000 car models
- Smart Bidirectional 5.0 (Active Test): LAUNCH X431 PRO3S+ V5.0 scan tool with full-featured bidirectional control ability can actuate solenoids and actuators for active testing, send commands to many systems and components to test their working status, without using the vehicle controls.Turn on the radiator fan, modulate the throttle, open or close windows, operate mirrors, Injector Buz Test,turn on interior and exterior lights, sound horn, test door lock actuators etc
- 55+ Reset Service (ADAPTATION / INITIALIZATION / MATCHING) + ECU CODING: LAUNCH X431 PRO3S+ V5.0 diagnostic scanner gives you the ability to use dealership level relearn procedures to complete repairs or maintenance. Provides: Auto VIN Detect, ECU Coding, ABS Bleeding, Injector coding, Gear Reset, SAS Reset, TPMS Reset, D.P. F Reset,BMS Reset, ETS Reset, Oil Reset, Brake Reset, AFS Reset, E.G.R Adaptation, GEARBOX, SUNROOF, SUS Reset and more to fully meet your various needs.For a significant portion of cars, you can find well over 200 special features by tapping into the system menu in the diagnostic results.
![[2023 New] Launch X431 PRO3S+HDIII,Diesel&Gasoline Bidirectional Diagnostic Scan Tool,Cars&Heavy Duty Trucks All Systems Scanner,Key Program,ECU Coding,50+Service,Cars&Trucks Connector Kits](https://m.media-amazon.com/images/I/51W7l+YIByL._SL500_.jpg)
[2023 New] Launch X431 PRO3S+HDIII,Diesel&Gasoline Bidirectional Diagnostic Scan Tool,Cars&Heavy Duty Trucks All Systems Scanner,Key Program,ECU Coding,50+Service,Cars&Trucks Connector Kits
$1,979.00
in stock
2 new from $1,979.00
Free shipping
Amazon.com
as of July 5, 2025 1:51 pm
Features
- 【2025 NEWEST LAUNCH 1st Advanced Scan Tool Compatible With 12V&24V Vehicles】Design for Passenger&Commercial Vehicles 2 in1,work for Cars/Trucks/buses/trailers/excavators/diesel engine/pick-up/etc.
- 【J2534 Reprogramming with Smartlink C】Advanced OEM J2534 reprogramming,Helps access direct data online, replace existing software/firmware in ECU,program new ECUs and fix software-controlled issue.
- 【Over 60 Service Reset Functions + Bi-Directional + ECU Coding 】This scan tool can support ECU Coding,60+ reset service functions like SAS/EPB/TPMS/DPF/Oil/Brake/ABS Bleed, Injector coding, etc.
- 【2025 BEST Advanced Hardware & All Systems Diagnosis+Topology Display 】Support All systems Diagnostic including ENG, AT, ECM, TCM, ABS, SRS, BCM, BMS, TPMS, SAS, Fuel System, Light System and more.
- 【Wider Vehicle Coverage of 12V & 24V Vehicles + 25 Languages】LAUNCH X431 PRO3S+SMARTLINK HD automotive scanner is ALL-IN-ONE Scan Tool for 12V cars and 24V Heavy-duty trucks support CANFD & DOIP.
Autel MaxiSys CV Scanner MS908CV, 2023 Heavy Duty Truck/Semi Truck/Bus Diagnostic Scan Tool, J2534 ECU Programmer, Online Coding, HD Diesel & Gasoline Bidirectional Scanner, 25+23 Reset, OE Diagnose
out of stock
Amazon.com
as of July 5, 2025 1:51 pm
Features
- Autel MaxiSys CV MS908CV II
Autel Maxisys CV MS908CV 2023, Heavy Duty Truck Scanner, Semi Truck Tool with J-2534 ECU Programming, Coding, Active Test, 25 Services, 23 Adaption Functions, Bluetooth Diesel Diagnostic Tablet
$2,899.00
in stock
2 new from $2,899.00
Free shipping
Amazon.com
as of July 5, 2025 1:51 pm
Features
- 【2025 MS908CV II, Same as OEM Scanners】Autel in 2025 unveiled Autel Maxisys CV MS908CV II, upgrading from MS906CV, MS908CV with expanded CVs coverage (class 1-9) and all level-up service menu: ECU Coding & J2534 Program, 64+ Hot Services, 3000+ CVs Bidirectional Controls and more; backed up by superior specs (Android 10.0/8-Core/9.7", 1536*2048/4+128G) that will boost your repairs 5X faster! The tag is unbelievable: 2749 bucks! Just 1/5 costs of an OEM heavy duty truck scanner.
- 【64+ Hot Services > MS906CV, MS908CV】This heavy duty truck scanner is your one-stop solution to handle 99% CVs daily repairs. It features 39+ services e.g. Oil Reset/EPB/Brake Bleeding/D-PF & SCR/Injector/Throttle, etc. (> MS906CV, MS908CV), and 25+ adaptions for CVs. e.g. DOC/D-PF Instant Replacement Reset, Fu-el Pressure Adaptation Reset, Injector CEOM Reset, etc. Updating is frequently (monthly even weekly) to meet more market needs. You’ll never get out-of-dated.
- 【ECU Coding & J2534 Programming】Autel Maxisys CV MS908CV II has complete coding capabilities to make ECU adjustments e.g. for Road Speed Limit (RSL), Power Take-Off (PTO) etc., Reliable ECU data backup/restoration ensures successful procedure. Better, with the included J2534 box (=2000 bucks), you can make ECU flashing/programming/software upgrade (need subs to OE software). The value is hard to beat by many similar heavy duty truck scanners.
- 【99% Cars/CVs Coverage & AutoVIN 2.0】With leading coverage for 80+ major automotive makes/150+ brands/10,000+ models, this Autel Maxisys CV MS908CV II will work on almost any semi trucks, light & hearty duties that come into your shop. Software is continually upgraded for expanded capabilities & compatibility with newer models. Smart AutoVIN 2.0 & AutoScan (2006+) gets you quick scan in seconds; 3X faster than those semi truck scanner with J-2534 ECU featuring old-version AutoVIN.
- 【3000+ CVs Bidirectional Controls】Unlike most bluetooth diesel diagnostic tool scanner for commercial vehicles that can only perform limited bi-directional control, this Autel Maxisys CV MS908CV II offers a comprehensive 3000+ active tests covering 99% mainstream CVs, e.g. Cylinder Cut Out Test, Cylinder Compression Test, On-board Electronic Components Test; refer to A+ page for details. The operation is so silky smooth that you can quickly pinpoint faulty area in a blink.
ANCEL HD3600 Heavy Equipment Diagnostic Tool with DPF Regen, Full System Heavy Duty Truck Scanner Machinery Scan Tool Diesel Code Reader Fit for Cummins, Caterpillar, John Deere, Komatsu and More
$499.99
in stock
Amazon.com
as of July 5, 2025 1:51 pm
Features
- 【Ultra Wide Compatibility with Construction Machinery】HD3600 heavy duty truck scanner is specially designed for the North American construction machinery market, fit for Caterpillar, Komatsu, John Deere, Volvo, Hitachi, Bobcat, Yanmar and Case. This diesel code reader handles standard and manufacturer-specific diesel OBD protocols like Caterpillar CDL. With extensive real-world testing, the HD3600 ensures strong compatibility and reliability, making it the ideal choice for 99% construction vehicles
- 【Powerful DPF Regeneration Function】Supports exclusive OEM-level DPF functions for Caterpillar, John Deere, Volvo, Komatsu, and Bobcat. This includes DPF reset, DPF forced regeneration, soot ratio reset, and ash ratio reset. If you are unsure of compatibility, you can provide the vehicle make/model/year and we will verify it for you
- 【Comprehensive Vehicle Diagnostics】HD3600 heavy equipment diagnostic tool supports reading vehicle information, reading and clearing standard and manufacturer-specific diagnostic trouble codes (DTCs), and reading live data streams. Ideal for Caterpillar, John Deere, Volvo, Komatsu, and Bobcat construction machineries, this scanner ensures efficient issue identification and resolution, optimizing performance and reducing downtime
- 【Advanced Diagnostic Tool】HD3600 heavy equipment scan tool supports both standard OBDII and diesel OBD protocols, including SAE J1939, J1708, J1850 PWM, J1850 VPW, ISO 14230-4, ISO 9141-2, ISO 15765-4, and ISO 27145-4. It covers the majority of commercial trucks in the North American market and offers full-system diagnostics
- 【Superior Tablet Features】HD3600 truck diagnostic scanner features a robust 5-inch tablet running on Android 5.1. It supports one-click activation, one-click voltage checking, one-click feedback, one-click screenshots, and report creation with print capability
ANCEL HD3300 Plus+ Heavy Duty Truck Scanner DPF Regen Tool Fits for Cummins Detroit Caterpillar International Volvo Paccar All System Diesel OBD2 Diagnostic Scanner with Oil Reset (2023 Upgraded)
out of stock
Amazon.com
as of July 5, 2025 1:51 pm
Features
- 【Professional DPF Regen Tool】Diesel particle filters give owners of diesel vehicles lots of problems, often expensive, time-consuming and inconvenient ones, HD3300 can easily solve the above problems. HD3300 support OEM-level DPF function for Cummins, Detroit, Caterpillar, International, Volvo, Paccar, Isuzu, Fuso, including DPF regeneration, DPF reset, BlueTec, DPF related information reset, DPR state reset, forced DPR regeneration, differential pressure check, DPD forced regeneration etc.
- 【Anvanced Oil Light Reset Function】Changing oil is the most important part of routine maintenance for vehicle. HD3300 support OEM level oil reset for ISUZU & FUSO, help reset the Oil Life Reminder (turn off the Oil Service Light) when the replacement of engine oil is done in case of the impurities in oil may damage the engine. So vehicles can recalculate another optimal oil life change interval depending on the vehicle driving conditions and climate, makes your driving safety gets ensuring.
- 【All System Diagnostic for Almost All Diesel Trucks】ANCEL HD3300 Diesel Scanner supports all-system scans of heavy duty trucks compliant with standard HD OBD protocols, such as Engine, ABS/EBS, Transmission, Body Controller, Chasis Controller, Instrument Panel System, Cruise Control, Gateway and etc. With this tool, you can get deep analysis data about the systems and do some repairs by yourself, saving much time and money.
- 【Standard Diesel OBD & OBDII Protocols】The HD3300 not only supports standard HD OBD protocols (the latest J27145 included), which covers the most popular heavy-duty trucks(both 12V & 24V) in American market, such as Cummins, Caterpillar, Detroit, Volvo, International and more. But also supports standard OBDII protocols, which covers engine system of mainstream cars and light vehicles(after 1996) all over the world. Such strong compatibility makes it more cost-effective than the competition.
- 【Full OBD Level Diagnosis】HD3300 is a 2-in-1 comprehensive diagnostic platform integrating 24V heavy duty truck scanner and 12V car scanner, and it comes with 6-pin, 9-pin and 16-pin adapters for different interfaces. HD3300 can perform engine diagnostics, read and erase the trouble codes that can cause emission problems with your vehicle, turn off the MIL (check your car engine) , show live data steam of multiple sensors in graph and text, vehicle identification Info (VIN, CIN, CVN) and so on.
Diesel Tablet Commercial Truck Diagnostic System
out of stock
Amazon.com
as of July 5, 2025 1:51 pm
Features
- 10.1" Rugged Tablet
- Complete coverage for USA & Canada Trucks
- Dealer level commands for emission related systems (DPF, EGR, & SCR Systems)
The Video Review of Best diesel diagnostic tool
Final thoughts
Our best overall diesel diagnostic tool, the Perception and the reviews helps assist to choose you the product better. We hope our reviews buyer guide of these diesel diagnostic tool will help you pick the perfect diesel diagnostic tool for you and your buying decision making.