The Best Launch X431 Diagun Iv of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Launch X431 Diagun Iv of 2022. Check our ranking below.

2,101 (random num) Reviews Scanned

SaleRank No. #1

2024 Elite LAUNCH X431 Diagun V Bi-Directional Scan Tool, Full Systems Diagnostic Scanner, ECU Coding, 35+ Services, FCA AutoAuth, V.AG Guided Function,Camshaft/Crankshaft Relearn, 2-Year F-ree Update

LAUNCH X431 Diagun V offers a robust lineup of advanced OE functions, such as ECU Coding, PMI, Active Tests, 35+ Services, FCA AutoAuth, V.AG Guided function, etc
LAUNCH X431 Diagun V equipped with ECU Coding, supports online coding(for VW/AUDI/SKODA), reflash hidden functions, customize, recode adaptive data, PMI (for Ford/Lincoln/Mazda), etc
LAUNCH X431 Diagun V allows to send command to ECUs to perform specific test to check actuator's working status, quickly pinpoint the fault cause without disassembling
LAUNCH X431 Diagun V comes with 35+ hot services, such as: Oil, EPB, TPMS, BMS, D.PF, SAS, and more, get 100+ special functions from "Diagnose>Model>System>Special Funciton"
LAUNCH X431 Diagun V dealer-level scanner effectively works with all cars for all system diagnostics, automatically generate a detailed report, highlighting the problem

SaleRank No. #2

2025 Upgrade LAUNCH X431 Diagun V Bi-Directional Scan Tool,Full System Automotive Diagnostic Scanner with 35+ Reset Function,ECU Coding, Active Test, FCA AutoAuth,2-Year Free Update

2025 OE-LEVEL Car Scanner Diagnostic for All Cars: LAUNCH diagun V obd2 scanner add more functions, No Extra Software Fee, Free VAG Guided Function, Supports AutoAuth for FCA SGW, Online Coding, Nox Sensor Reset, Setting & Changeover ( unlock the engine after a collision, cancel ABS driving test, and more) for Benz, Flash Hidden Functions, Power Balance, Customization, Parameterization, Support BMW Online Coding, Customization, And Personalization, Recode Module Installation
BI-DIRECTIONAL (Active Test) and DIY Cost-effective Diagun V has a full-featured bi-directional, which can activate solenoids and actuators for active test, and send commands to many systems, components to test their working status , Without using vehicle Controls. Turn on the radiator fan, modulate the throttle, open or close windows, operate the mirror, test the fuel injector, turn on the internal and external lights, sound the horn, test the door lock actuator, etc
Full System Diagnosis and Wider And Newer Coverage and NO IP Restriction: LAUNCH DIAGUN V car scanner can easily read or erase codes, view real-time data, retrieve ECU version information, for ECM, TCM, ABS, SRS, BCM , BMS, TPMS, SAS, fuel system, light system, etc. for active test and service functions. WiFi mode recognizes VIN, supports more than 150 car brands and 10000+ models
ECU Online Coding and Variant Coding: LAUNCH X431 Diagun V works as an OEM scanner to customize cars as needed via advanced ECU coding. Launch Diagun V can match or recode or initialize the ECUs with replaced components and refresh hidden features. Online Coding can fit for VW, fit for Audi, fit for BMW, fit for Porsche, etc. And the Offline Coding is available for Nissan, fit for Nissan-GTR,fit for Infiniti, fit for Hyundai, etc

Rank No. #3

2025 Elite LAUNCH X431 Diagun V Bi-Directional Scan Tool,ECU Coding,35+ Reset Service Functions,OEM Full System Diagnostic for All Cars,AutoAuth for FCA SGW,V.A.G Guide,2-Year Free Update

2025 NEWEST Version LAUNCH X431 DIAGUN V ELITE + ADVANCED OE-LEVEL FUNCTIONS,LAUNCH X431 DIAGUN (5TH GENERATION) scan tool adds loads of OE-Level features.
Bi-directional Control+ RESET + INITIATION + ADAPTATION + MATCHING + CODING:LAUNCH X431 DIAGUN V 5th diagnostic scanner gives you what snap-on scanner offers.
Wider Coverage & Multi-Language : LAUNCH X431 Diagun V automotive scanner can diagnose the electronic control system of prevailing vehicle models covering Asian, European, American and China.
One-Click WiFi Update & 2 (TWO Years F-ree update :Download or update multiple vehicle diagnosis software anytime and anywhere f-reely just click “One Click Update, No lP limited!
We Always Got Your Back :We provides【 5 YEARS BACKUP】and 2 YEARS F REE UPDATE With Wi-Fi enabled, you can update your car model software with just one click.

SaleRank No. #4

LAUNCH X431 CRP919E Elite OBD2 Scanner, 2025 Bidirectional Scan Tool as CRP919EBT, CANFD & DoIP, ECU Coding, 35+ Service, Active Tests, All System Diagnosis, FCA Autoauth, BST360 & TPMS, 2 Year Update

【WHY CRP919E STANDS OUT】 All-around upgraded of X*OOL D7/A*tel M*808S, functions as CRP919EBT at a lower cost. Superior OE Functions: 1) ECU Online Coding; 2) 35+ Services; 3)4000+ Active Tests; 4)All Systems Diagnosis; 5)✅New protocols CAN FD & DoIP✅FCA AutoAuth✅160+ Global brands(1996-2025), 6)Work with BST360 Battery Tester & i-TPMS TPMS Relearn Tool; 7)Level up Hardware: Android 10.0, 7'' touch screen, 3+32 GB, 6100mAh battery, 2.4&5GHz WiFi, 8MP Camera. 2-Year Update. Best bang for your bucks.
【ADVANCED ECU CODING, CUSTOMIZE OE-SETTINGS】2025 LAUNCH X431 CRP919E automotive scanner newly released superior ECU Coding, supports Online Coding for VW/Audi/Skoda/Ford/Lincoin/Mazda, Component Matching, Reset Adaptive Data, Flash Hidden Function, Personalize OE-Setting. Such as mirror automatic folding, disable auto start-stop, retrofitting headlamp, modifying battery, etc. ✅New PMI function for Ford/Lincoln/Mazda, supports copy data into new module. *Coding functions vary by model & year.
【FULL BI-DIRECTIONAL CONTROL, 4000+ ACTIVE TESTS】LAUNCH X431 CRP919E auto diagnostic scanner for all cars inherits the LAUNCH X431 Series' powerful active tests, but more cost-effective. It boasts the ability to send commands to the ECUs of actuators for functional tests and work status checks, such as windows, rear mirrors, wipers, horn test, auto bleeding ABS, modulating the throttle, and etc. Quickly identify problem components without disassembly, turn your business to fast lane.
【35+ SERVICES & RESETS, RELEARNS, CALIBRATIONS, ADAPTATIONS, INITIALIZATIONS】LAUNCH X431 CRP919E obd2 scanner performs 35+ hot services, making your repair a breeze, such as Oil Reset, EPB, SAS Calibration, ABS Bleeding, Injector Coding, Crank Relearn, Power Balance, Idle Relearn, Window Initialization, HVAC Calibration, etc. Get 100+ from "Diagnose>Brand>System>Special Function". Better, CRP919E keeps updating to support more newer modes from 2023 to 2025. Check compatibility firstly.
【OE-LEVEL ALL SYSTEM SCAN】 +【 8-IN-1 DATA STREAM】 LAUNCH X431 CRP919E dealer-level scanner, like Snap-on tools, effectively works all cars for all system diagnostics. It reads/clears codes, provides ECU info. , displays 8-in-1 Live Data, performs active tests & special functions for all available modules. One-touch Auto VIN & Scan offers you an ever-smooth experience. With a few clicks, it can pinpoint the system faults in minutes with a detailed report. Your car expert is at your fingertips.

Rank No. #5

LAUNCH X431 CRP919X Elite OBD2 Scanner, Bidirectional Scan Tool As X431, ECU Coding Car Scanner, CANFD DOIP, FCA SGW, 35+ Services, Android 10.0, Active Test, All System Diagnostic Tool, 150+ Brands

[2025 LAUNCH CRP919X] Tired of scan tools that lag and lack features? Meet LAUNCH CRP919X - it’s got all power of XTOOL D8/Autel MK808Z/MK900, plus it’s a pro at ECU Coding = X-431 PROS V+. Better, in 2024 we added more: FCA AutoAuth, CAN-FD, DoIP, expanding features with 3 module modules, all without breaking your bank. The most-recent models are covered with weekly upgrading. CRP919X runs on Android 10.0, 3+32GB RAM/ROM. Time to upgrade your workshop and get more than your money’s worth!
[ECU Coding] You can run ECU Coding to address challenges such as DTCs related to sensor / actuator circuit breaks, unreliable signals; installing new modules, and flashing hidden features. Unlike other scan tools that support Coding for only 3 brands, LAUNCH CRP919X is available for 100+ brands (need paid OE software for Be.nz, BM.W, V.W, A.udi, G.M, F0rd, even Porsche, etc.) And it comes with easy-to-follow steps to make coding a breeze. *Remember to back up your data before coding.
[4000+ Active Tests = X431 LAUNCH Scanner] Pay half, yet get all 4000+ tests previously only featured in X431 scanners! You can directly send commands to ECU, drive components like “relays, injectors, coils, solenoids valves, actuators” to move. NO time-consuming old methods BUT verify if they function correctly in just 10 minutes, speeding up troubleshooting 3X FASTER! And NO compatibility headaches. Superior to 80% of diagnostic tools on market, it works on nearly 100% popular vehicles.
[150+ Brands Coverage + CANFD/DOIP] The compatibility of LAUNCH scanner has always been a leader in industry, with upgrades so frequent that can be weekly! And CRP919X meets all your expectations: 1) added CANFD/DOIP; 2) FCA SGW access, no need extra adapters; 3) cover 150+ all-regional brands; 4) the multilingual menu; you can use it fluently without barriers, and switch languages on your own without having to send e-mails to dealers. (NO waiting 24+ hours just to change a menu language)
[35+ HOT Services] Compared to similar OBD2 scanners MK808S/D1/909X, the LAUNCH CRP919X has a huge upgrade: E-P-B/Oil_Reset/DP.F/SAS/TPMS/BMS/Injector/Throttle/Suspension/Brake_Bleed, etc. NOT just a big jump in the number of features, BUT also a serious boost in compatibility (more cars supported). In 2024 even added 20+ new features to keep your CRP919X at the forefront of industry, e.g. Motor Angle Calibration/Turbocharging Matching/Swipe/Clutch Matching. MORE is coming your way.

Rank No. #6

LAUNCH X431 V Pro 5.0 Elite 2025 New Gen. Oem Bluetooth Bidirectional Scan Tool w/ Canfd Doip ,Same as Pro3s+ 5.0 ,Online Coding&38+Reset for all Cars

LAUNCH Most Desirable Tool:LAUNCH X431 Pro V5.0 Elite becomes OVER 200,000 mechanic's First Choice,with Upgrade DBScar VII VCI,Supports CANFD & DOIP,38+Special Functions,4000+Active Test,2 Yrs Update.
Level Up Hardware 10X Faster than Ever:DBScar VII connector,8 In screen with 1280*800 display,2.4GHz+5GHz Dual Wi-Fi;6300mAh battery;4GB RAM+64GB ROM; 2.0 GHz+4-core CPU Processor,8X AUTO VIN,5.0 MP+8.0 MP Camera.
Bi-Directional+Online Coding+Over 38 Reset Services+Active Test+ Adaptation+Initialization+Matching,You can get 100+ special functions under the"vehicle brand menu">"system" > "special functions".
Best-Value Bi-directional,4000+ Tests:X431 V5.0 is the most cost-effective wireless bidirectional scanner for workshops and auto enthusiasts,keeps updating to support more newer models.
We Always Got your BACK:Covering 99% Vehicles in the World up to 200+brands, 200,000+models,No-IP limitation. Also we provide 2 years free WiFi upgrade;5 years Back up ;Lifetime assistance.

Rank No. #7

LAUNCH X431 PAD VII Elite, 2025 Top Intelligent Diagnostic Scanner, J2534 ECU Programming & Coding, Topology Map, Remote Diagnosis with Smartlink C, 2-Year Free Update, Bi-Directional Scan,60+ Service

💗💗【WARM NOTICE】✅The "X431 PADVII online programming activation method" & the instruction on how to use VPN to bypass IP restrictions to gain access to online programming feature for more models, not just for Benz & BMW in the U.S. is available if you need; ✅LAUNCH Tech. USA is just one of the dealers located in America, so they won't be responsible for Amazon products. Pls con-tact us If you have any problems.
🥇【LAUNCH X431 PAD VII ELITE, 2025 Top Diagnostic Scanner】 The latest all-around scan tool, upgraded from LAUNCH X431 PRO5/PADIII/V+ 4.0 and rival OEM car scanners. High-end ECU programming backup/restore for 30+ car brands, ECU/SCN coding, J2534/RP1210/D-PDU/Do-IP/CANFD, topology mapping, 60+ service functions, guided functions, highest hardware configuration … with 99.99% worldwide car coverage. LAUNCH X431 PAD VII ELITE is a worthwhile investment for repair shops and mechanics.
【Huge-Upgraded ECU Programming & Coding】 Beyond the reach of most competitors, LAUNCH X431 PAD VII ELITE features ECU Programming working on upmost 30+ car brands: 1) Backup/Restore data from original ECUs, you won't find this in any other tools; 2) Programming offline or online, manual or automatic to meet more needs; 3) R-etrofit, e.g. replace halogen lamp. 4) ECU Upgrade, e.g for Fuel quality defect firmware. Coding features: Recode ECU Data, Personalization, and loads of more.
【LAUNCH X431 PAD VII ELITE, 60+ Services & Topology】 LAUNCH X431 PAD VII ELITE bidirectional scan tool has 60+ service functions, like Oil Reset/ABS Bleeding/Injector Coding… to win more business. Topology mapping checks DTCs and all-system communication status visually in LAUNCH X431 PAD VII ELITE top scanner. The actuation test detects problems 5X faster than tearing autoparts apart. Multiple protocols: J2534, RP1210/D-PDU (for HD cars), Do-IP (BMWs E/F, Land Rover/Jaguar), CANFD (new GM).
【Intelligent Diagnose & Guided Functions】LAUNCH X431 PAD VII ELITE scan tool has Intelligent Diagnose to free you from tedious works: easily get VIN data, guide you to vehicle information page without menu selection, and display all diagnostic records. Guided Function (for V.A.G) allows on-screen prompts for proper diagnostics, simple & convenient. Pin Detection allows detecting DLC pins voltage and accessing protocol types to troubleshoot your DLC port.

Rank No. #8

LAUNCH X431 CRP919XBT Elite OBD2 Scanner 2025 Wireless Bidirectional Scan Tool, ECU Coding, CANFD&DOIP, Full System Car Diagnostic Tool, FCA AutoAuth, V.A.G Guided, 35+ Resets, 2 Years Free Update

✔️【CRP919XBT-the MVP of the Car Diagnostic World】 CRP919XBT realizes Bluetooth wireless connection on the old model. Do you think that's all? NO. Hardware and features are upgraded at the same time🔺CRP919XBT Elite adopts Android 10.0 OS🔺Equipped with a 6300mAh high-capacity battery, it can be used continuously for more than 8 hours🔺2.4GHz&5GHz dual-band Wi-Fi, the transmission rate is 4 times faster than other models🔺4+64GB provides more data storage space🔺Supports V.A.G Guided🔺ECU Coding🔺Bi-directional Control🔺CANFD&DOIP🔺FCA AutoAuth🔺35+ Resets🔺Full System Diagnostics🔺2 Yrs Update🔺150+ Vehicle Coverage.
📈【Upgraded Wireless Version of CRP919X】 It is worth noting that the CRP919XBT adopts USB A/USB C interface and DBSCar VII VCI connector to make the diagnosis and matching process faster and more stable, and the DBSCar VII connector is equipped with an indicator light, which is more intuitive and user-friendly. It rapidly transmits diagnostic information at speeds of up to 3 Mbps, which is 10 times faster than other mechanical tools without Bluetooth functionality. No longer limited by cable length and supporting movement within 20m around the vehicle, the portable VCI fits easily into your box.
🚗【ECU CODING (Adaptions/Relearns/Calibrations/Initialization/Matching)】 CRP919XBT scan tool newly adds ECU Coding which can Online Coding(ONLY for VW/Audi/Skoda), Variant Coding/Offline Programming, Flash Hidden Functions, Reset Adaptive Data, Match Replaced Components, Customize OE-Settings. Such as: 1. changing the color of interior lights 2. switching on/off the auto hold, 3. customizing dash kits 4. activating the auto side mirror folding function 5. disables auto start-stop .6. remove/change Speed Limit. PMI function( fit for Ford/Lincoln/Mazda) supports copy data into new modules and install it. PS: Coding functions vary by model&year.
🚗【Bi-directional Control for Over 3000+ Active Tests】 Featuring bi-directional control, the LAUNCH X431 CRP919XBT automotive diagnostic scan tool caters to all cars, issuing precise commands to ECUs for targeted tests that unveil the actuator's operational status. Swift identification of problematic components without the need for disassembly. This means that you can check the working status and functionality of open & close solenoids, energize injectors, turn the cooling fan on & off, and more, all from the device itself.The CRP919XBT's bi-directional control feature allows technicians to perform these tests quickly and easily, potentially increasing their earnings
✔️【35+ Maintenance Services and Growing】 Oil Reset, ABS Bleeding, Electronic Throttle Reset, Gearbox Reset, Battery Matching, and other special services are required by every professional mechanic on a daily basis. The CRP919XBT cool car accessories are equipped with 35+ maintenance services to handle the most complex vehicles. It covers almost all major car brands compared to other scan tools on the market (x-tool d8). For example, in LAUNCH CRP919XBT, Hyundai special functions have a coverage rate of over 99%, but other scan tool lacks special functions or has fewer special functions in some vehicle systems like ENG, ABS, AB.

Rank No. #9

Vaxson 3-Pack Screen Protector, compatible with Launch X431 Diagun IV TPU Film Protectors Sticker [ Not Tempered Glass ]

Please note that this protective film is made of flexible plastic.
99% transparency preserves the original screen's brightness and definition.
4H hardness protects your screen from daily scratches, scrapes, and normal signs of wear.
Self-healing technology enables the film to recover from minor scratches in 48 hours.
Bubble-free, fingerprint-free, dust-resistant. No sticky residue when removed.

Rank No. #10

LAUNCH Scanner X431 1MM* Plus Car Programmer Tool with X-PROG3 (Valued $800), Engine/Gearbox ECU Cl**é, All-In-One Diagnostic Tool, ECU Coding as X431 PAD, 39+ Services, All-System Scan, 2-Year Update

✅【Who We Are & What We Care About】Why LAUNCH scanner X431 IM** Plus? The only professional tool on market that can provide: most cost-effective matching & diagnostic solution (under 1400 bucks!) + 1996-2025 models best-possible coverage + weekly/monthly frequent upgrades + massive online repair data + 2 year upgrades included, etc. Why Choose Us? 100%-genuine LAUNCH scanner + 365/24/7 always-ready service (aftersale-launchdirect@outlook.com).
👍【2025 All-In-One K** Programming Tool + 2 Years Free Update】 LAUNCH X431 1M** Plus k** programming tool, outstanding in reasonable cost and powerful hardware, integrates All-in-one 1M** functions (with X431 X-PROG3 programmer) and Exclusive Engine & Gearbox ECU Cl*né for 5000+ Models. Featuring abundant ‘master-level’ functions: ECU Coding, 39+ Services, All-System Diagnostics, Bidirectional Control, etc., this launch x431 scanner provides great assistance for car diagnostic needs.
👍【With X431 X-PROG3 Programmer】 Repair Fast & Work Comprehensively. LAUNCH X431 1M** Plus with PROG3 car programmer (value $800) breaks through car compatibility limitations and provides professional solutions for k** matching/adding/co*y/deleting of BMW/Benz/VW/Porsche, reading PIN (All Lost) for Toyota/Volvo/Citroen/Peugeot/VW, Engine & Gearbox ECU replacement for VW/Au-di, etc., which can be done quickly in minutes and seconds.
👍【OE-Level All System Diagnostics】 Covering global 99% of models, worth a try! This LAUNCH X431 1M** Plus programmer for all cars configures a full of diagnostic service for ALL vehicle systems to serve DTC location, problem troubleshooting, and system reset. Read/Clear Codes, View Live Data, 39+ Reset Functions, ECU Coding, and Initialization are enough to cooperate with each to solve all faults that are hard to find out in TPMS, Engine, Gearbox, AT, ABS systems.
👍【Engine & Gearbox ECU cl**é for 5000+ Models】 A series of operations (ECU coding/programming/initialization) for reading the original ECU anti-** password be done, but nothing happened. How? Try to use LAUNCH Exclusive tech ECU Cl*ning. LAUNCH k** programming tool empowers you to backup & restore the data and cl**é it into the new Engine/Gearbox ECU. Minutes no need, perfect solved. Bosch/Continental/Siemens/Delco brand applied.

Last update on 2025-06-12 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Launch X431 Diagun Iv?

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We provide an Launch X431 Diagun Iv 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 Launch X431 Diagun Iv currently available on the market.

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The Best Launch X431 Diagun Iv of 2022 – Reviews & Buying Guide

How Do You Buy The Best Launch X431 Diagun Iv?

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