Advertising Disclosure Launch Diagnostics Comparison - August 2025
7 Best Launch Diagnostics In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.7Exceptional | 4  9.6Exceptional | 5 Best Value  9.5Excellent | 6  9.3Excellent | 7  9.2Excellent |
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ModelLAUNCH X431 PRO3S+Elite SmartlinkC 2025 Launch Diagnostic Tool Intelligent OE Topology, 50+ Service Full System Bidirectional Car Diagnostic Tool ECU Coding, Active Test, CANFD/DOIP/J2534,2 Yrs Update | Model LAUNCH X431 PRO3S+ V5.0 Bi-Directional 2025 Car Diagnostic Tool, OE Topology Mapping,Ecu Coding& 55+ Service, Full System Diagnostic,CANFD and DOIP,2-Year Update Launch Diagnostic Tool | Model LAUNCH CRP123X V2.0 OBD2 Scanner 2025 Version, ABS SRS Engine Transmission Car DiagnosticTool, 7 Service Functions, Battery Test, Lifetime Free Update | Model LAUNCH OBD2 Scanner X431 PRO3 ACE Diagnostic Tool with Bluetooth DBS car VII, Topology Mapping, Online Coding, CANFD&DoIP, 55+ Services, FCA AutoAuth, V.A.G. Guided Function | Model LAUNCH OBD2 Scanner CRP123I V2.0, 4 Systems Car Diagnostic Machine for ABS SRS Transmission Engine, OBD2 Diagnostic Tool with Oil/EPB/DPF/SAS/BAS/BMS/Throttle Reset, Battery Test, Lifetime Free Update | Model LAUNCH X431 Pro Elite Diagnostic Tool, Bi-Directional OBD2 Scanner, ECU Online Coding, Full System, 38+ Resets Services, CANFD&DOIP, FCA, with 2 Years Update, 2025 Model | Model LAUNCH X431 Pro V5.0 Elite Bi-directional Car Diagnostic Tool,OEM Full System 2025 LAUNCH Diagnostic Tool 37+ Services, Online Coding,V.A.G Guide,AutoAuth FCA SGW,Can-FD DoIP, 2 Years Update Scanner |
BrandLAUNCH | Brand LAUNCH | Brand LAUNCH | Brand LAUNCH | Brand LAUNCH | Brand LAUNCH | Brand LAUNCH |
Reviews | Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews |
Tech Specs | ||||||
batteries 1 AAA batteries required. included | batteries 1 AAA batteries required. included | batteries 1 Lithium Polymer batteries required. included | batteries 1 A batteries required. included | batteries 1 Lithium Ion batteries required. included | batteries 1 A batteries required. included | batteries 1 AAA batteries required. included |
manufacturer part number YZA31-A | manufacturer part number LAUNCH X431 PRO3S+ | manufacturer part number CRP123X | manufacturer part number Launch X-431 PRO3 ACE | manufacturer part number 1 | manufacturer part number X431 Pro Elite | manufacturer part number V+ |
item weight 9.72 kg | item weight 7.65 kg | item weight 1.07 kg | item weight 8.22 kg | item weight 1.04 kg | item weight 3.54 kg | item weight 10.6 kg |
customer reviews4.7 4.7 out of 5 stars 16 ratings 4.7 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 416 ratings 4.2 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 2, 555 ratings 4.4 out of 5 stars | customer reviews 5.0 5.0 out of 5 stars 2 ratings 5.0 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 1, 378 ratings 4.2 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 275 ratings 4.2 out of 5 stars | customer reviews 3.8 3.8 out of 5 stars 10 ratings 3.8 out of 5 stars |
product dimensions- | product dimensions 61.01 x 19 x 41 cm 7.65 kg | product dimensions 28 x 23 x 9 cm 1.07 kg | product dimensions 43.38 x 30.48 x 37.19 cm 8.22 kg | product dimensions 26 x 18 x 8 cm 1.04 kg | product dimensions 22.4 x 17.2 x 5 cm 3.54 kg | product dimensions 40 x 20 x 40 cm 10.55 kg |
model YZA31-A | model LAUNCH X431 PRO3S+ | model - | model Launch X-431 PRO3 ACE | model 123I V2.0 | model - | model X431 V 5.0 |
Available On | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1LAUNCHLAUNCH X431 PRO3S+Elite SmartlinkC 2025 Launch Diagnostic Tool Intelligent OE Topology, 50+ Service Full System Bidirectional Car Diagnostic Tool ECU Coding, Active Test, CANFD/DOIP/J2534,2 Yrs Update
Main highlights- 【CAN 2.0,CANFD,DoIP,J2534+V.A.G+for Gateway】LAUNCH X431 PRO3S+ELITE SmartlinkC car diagnostic tool supports CAN 2.0, CANFD, DoIP,for Renault Gateway, and other mainstream diagnostic protocols and J2534 diagnostic communication standards. And can be expanded into car diagnostic tool for commercial vehicles or new energy vehicles according to demand. note: these need pay to extend and unlock. LAUNCH X431 PRO3S+ELITE obd2 scanner supports the V.A.G guidance function for Audi and other car models, according to the fault prompts to guide the repair, brush hidden, maintenance. It's compatible with 99.9% of vehicle makes and over 100,000 vehicle models. Check the compability before purchasing.
- 【55+ Reset Services for Calibration/Initialization/Relearn】LAUNCH X431 PRO3S+ELITE SmartLinkC Diagnostic Tool can support more than 50 kinds of maintenance reset functions, so you can repair your car without any trouble. Such as A/F tuning,language setting, NOx reset, seat calibration, start/stop setting, gearbox learning, brake pad replacement, D.P.F regeneration, throttle learning,anti-theft matching, injector coding, steering angle learning, sunroof initialization, Suspension matching, etc., after careful factory testing and scene simulation to ensure the functions are available and convenient.
- 【Intelligent and Clear Topology Map】 LAUNCH X431 PRO3S+Elite SmartlinkC launch diagnostic tool Visualization of the entire vehicle system through an intuitive topology provides maximum convenience and ultra-fast speed for quick diagnosis and advanced repairs.Graphically display the various electronic control units (ECUs), sensors, actuators and the communication connection relationship between them inside the vehicle. Including the physical location of each node (ECUs), network interface, communication protocols and data transmission paths. A topology map is clear and concise, largely saving diagnostic time and improving diagnostic efficiency.
- 【Active Test/ Bi-directional Control+ Advanced ECU Coding】Personally customised to your needs, LAUNCH X431 PRO3S+ELITE SmartlinkC launch diagnostic tool perform ECU Coding and Bi-directional Control, easily reading data from the vehicle with the touch of a finger, as well as being able to send commands to the vehicle to change the behaviour or parameter settings of the ECU. Launch X431 PRO3S+ELITE SmartlinkC car diagnostic tool enables in-depth testing and adjustment of vehicle systems without dismantling or physically touching the components, such as unlocking hidden features, writing VINs to new ECUs, recoding car replacement parts, and more,improving diagnostic efficiency and accuracy.
- 【 J2534 Coding smartlinkC + OE Full System】LAUNCH X431 PRO3S+ ELITE Scan Tool with updated smartlinkC V2.0, a communication interface that supports the ECU J2534 coding specification. It can also be used as a J2534 code pass-through device to perform J2534 coding in conjunction with a PC with OEM diagnostic software installed. it can supports 24V commerical vehicles but need pay to extend. LAUNCH X431 PRO3S+ELITE SmartlinkC obd2 code reader supports full-system advanced scan, codes clearing, active testing, checking real-time text/graphic/analogue data, and more. It has original factory-level vehicle testing functions, graphical display of vehicle electronic control system organisation.
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9.8
2LAUNCH
LAUNCH X431 PRO3S+ V5.0 Bi-Directional 2025 Car Diagnostic Tool, OE Topology Mapping,Ecu Coding& 55+ Service, Full System Diagnostic,CANFD and DOIP,2-Year Update Launch Diagnostic Tool
Why we love it
Wide vehicle coverage and compatibility.
Advanced ECU coding capabilities.
User-friendly with multilingual support.
Main highlights- 【All System Diagnostics +Wider Regional Vehicle Coverage】 LAUNCH X431 PRO3S+ V5.0 car diagnostic tool automotive scanner can read / erase codes, view live data, retrieve ECU version information, do active test and service functions for all systems including ECM, TCM, ABS, SRS, BCM, I.M.M.O, BMS, TPMS, SAS, Fuel System, Light System and A/C system etc. One-click Auto VIN is available with Wi-Fi enabled.Launch x431 PRO3S+ can scan 150 car brands, more than 10,000 car models.
- 【Advanced OEM Functions & Parameters 】LAUNCH X431 PRO3S+ V5.0 launch diagnostic tool Adds loads of OE-Level elite features as Online Coding & Changeover (unlock the engine after a collision, cancel ABS driving test) for Benz , Modification for BMW Offline Coding ,Customization，PersonalizationFlash hidden functions Component matching IM-MO anti-theft service Power Balance.
- 【Powerful ECU coding + BI-DIRECTIONAL (ACTIVE TEST】 LAUNCH X431 PRO3S+ V5.0 car diagnostic case works as an OEM scanner to customize cars as needed via advanced ECU coding. LAUNCH X431 PRO3S+ can match/code/initialise ECUs with replaced components and refresh hidden functionality. Bi-directional control can operate solenoids and actuators, send commands to systems/components to test their operating status, without using vehicle controls: turn on radiator fan, modulate accelerator, open/close windows, operate mirrors, test injectors, turn on interior exterior lights, sound horn, test door lock actuator.
- 【37+ RESET SERVICES ( On-line Coding / Adaptations / Calibrations / Initialization)】LAUNCH X431 PRO3S+ V5.0 multi-brand car diagnostics supports dealer level repairs or maintenance. Includes : Auto VIN Detect, ECU Coding, ABS Bleeding, Injector coding, (Speed, SAS , TPMS , DPF, IM-MO , BMS , ETS, Oil , Brake, AFS , SUS) Reset, EGR Adaptation, GEARBOX, Sunroof multi-brand car diagnostics case etc.
- 【2025 Pro level Functionality Car Diagnostic Tool】LAUNCH X431 PRO3S+ V5.0 car diagnostic tool has more advanced commercialized functions. Available V.A.G Guidance Functions for VW,for AUDI,for SKODA,for SEAT)ECU Coding Wider vehicle coverage, supports AutoAuth for FCA SGW(available) for Chrysler,for Dodge,for Jeep,for Alfa Romeo and for Fiat after 2017). ADAS mobile/ADAS pro/Perform ADAS calibration operations/Function enable and disable/Brush hidden and more.
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9.7
3LAUNCH15% Off
LAUNCH CRP123X V2.0 OBD2 Scanner 2025 Version, ABS SRS Engine Transmission Car DiagnosticTool, 7 Service Functions, Battery Test, Lifetime Free Update
Why we love it
Lifetime free updates included.
Supports multiple car systems and functions.
User-friendly touchscreen interface.
Main highlights- 【Vehicle Health Report]+【Battery Voltage Checker】The obd2 scanner diagnostic tool supports most car makes from worldwide which are all free. It monitors the vehicle’s battery's real-time voltage displayed in graphs and text, informing you of the health of your battery. Vehicle Health Report can be recorded and playback for further analysis, launch car scanner can be shared by email and then print on a computer.
- 【Newly Added 7 RESET FUNCTIONS】2025 New Ver. scan tool CRP123X V2.0 ADDS NEW SPECIAL FUNCTIONS--Throttle Adaptation, Oil Reset, SAS Reset. ABS Bleeding, BMS Reset, EPB Reset, DPF Regeneration. Before the trip to the mechanic, the launch codels of the OBDII tests, accurately firp123x V2.0 can do deeper diagnosis for the car system and react with accurate data in minutes.
- 【Live Data & Free Lifetime Update】4 in 1 live data directly shown in the 5" touchscreen helps you to view car data and problems more visually with the scanner CRP123X V2.0. At the same time, scan tool CRP123X V2.0 has data playback, so that you can record the parameters of your car even in the driving status. Also, LAUNCH scanner allows for diagnostic report printing and sharing. Free lifetime updates keep you informed of the latest software and bring you up-to-date vehicles coverage.
- 【5-Year Warranty scanner automotriz &10 Language Free To Use】LAUNCH scanners provide 5 YRS Warranty and 60 days unconditional return! Any problem, you can freely contact us via our Customer service email or Amazon message. Online FEEDBACK, LAUNCH Engineer will provide professional solutions for your issues in time. Choose your native language without encountering any sort of language barrier.
- 【4 Major Systems Diagnostics Scanner & 10 OBDii Functions】Launch scan tool CRP123X V2.0 supports diagnoses for 4 major systems of Engine/Transmission/ABS/SRS. The complete and deep diagnostic functions lead you to perform a quick scan, precisely read and retrieve diagnostic trouble codes within 1-2 min, and display live data to facilitate your analytic work. This car diagnostic scanner also supports all 10 mnding and troubleshooting malfunctions for engines.
- 【2025 New Processor, Lifetime Free Update, No Subscription fee】Faster! The 2025 CRP123X V2.0 car diagnostic scanner has a new processor, Android 8.1, 32GB of memory, 5-inch touchscreen (720P), 6100mAh rechargeable battery, One-touch Wi-Fi Lifetime Free update for more vehicle coverage, bug fixes,newly added parameters, and functionality to help you access, diagnose and fix more vehicles faster.
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Value for money
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Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
