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Obd Ii Engine System Diagnostic Tools Comparison - July 2025

4 Best Obd Ii Engine System Diagnostic Tools In the UK

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
9.5Excellent
4
Best Value
9.4Excellent
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Model

LAUNCH X431 CRP919E BT Elite OBD2 Scanner All System Diagnostic Tool, 2025 Bidirectional Scan Tool, ECU Coding,37+ Reset Service,CANFD & DOIP, FCA, V.A.G. Guided, FCA AutoAuth, 2-Year Update
Model
MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars
Model
OBD2 Code Reader TOPDON ArtiDiag500, DIagnostic Scanner Engine/Transmission/ABS/Airbag Car Diagnostic Tool, 5 Reset Functions for Oil/BMS/ABS/ETS/Throttle, One-Click Lifetime Wi-Fi Update
Model
MOTOPOWER MP69038 Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner CAN Diagnostic Scan Tool - Elite Edition

Brand

LAUNCH
Brand
MOTOPOWER
Brand
TOPDON
Brand
MOTOPOWER

Reviews

75 reviews
Reviews
71,958 reviews
Reviews
33 reviews
Reviews
9,552 reviews

Tech Specs

Manufacturer part number

YZB17-A
Manufacturer part number
MP69033
Manufacturer part number
AD500S 02
Manufacturer part number
MP69033

Item Weight

3.19 kg
Item Weight
289 g
Item Weight
1.05 kg
Item Weight
222 g

Item dimensions L x W x H

32.3 x 25.4 x 13.1 centimetres
Item dimensions L x W x H
15.3 x 7 x 2.3 centimetres
Item dimensions L x W x H
-
Item dimensions L x W x H
15.3 x 7 x 2.3 centimetres

Product Dimensions

32.3 x 25.4 x 13.1 cm 3.19 Kilograms
Product Dimensions
15.29 x 6.99 x 2.31 cm 289.17 Grams
Product Dimensions
-
Product Dimensions
15.29 x 6.99 x 2.31 cm 222 Grams

Model

LAUNCH CRP919E BT
Model
MP69033
Model
-
Model
MOTOPOWER

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
  • 9.8
    1
    LAUNCH

    LAUNCH X431 CRP919E BT Elite OBD2 Scanner All System Diagnostic Tool, 2025 Bidirectional Scan Tool, ECU Coding,37+ Reset Service,CANFD & DOIP, FCA, V.A.G. Guided, FCA AutoAuth, 2-Year Update

    Main highlights
    • 【2 YEARS UPGRADE without Cost+ Repair Information+ Feedback】: LAUNCH X431 CRP919EBT obd2 scanner offers 2 years update without cost, new features/cars released monthly. Provides 8-in-1 data stream, Freeze Frame Review Data + Historical Record Online repair information centre, including operation tips/relevant cases and more. Built-in G.o.o.g.l.e Browser, 11 Languages, Support VSP600 Endoscope Extend Module 8MP Rear Camera, AutoVIN.
    • 【OE-LEVEL OF ALL SYSTEMS CAR DIAGNOSTIC】: LAUNCH CRP919E BT car diagnostic tool supports more than 10000 vehicles to make complete diagnostic systems such as Read / Erase fault codes View Live Data Stream Record & Playback Data Active Test to check the working status of all available modules 🔺No limited IP, and covers OBD1/OBD2/EOBD/JOBD vehicles, supports passenger cars, 12v light trucks and suvs produced from 1996-2025.
    • 【LAUNCH X431 CRP919E BT ADDED FUNCTIONS】: LAUNCH X431 CRP919EBT obd2 scanner includes ️ CANFD Protocol for GM models (from 2019 and later), no CAN FD Adapter Required. ️DOIP Protocol(Need to extra purchase Adapter) for BMW (F&G chassis), for Volvo models (2018 and later), for Land Rover & for Jaguar models (2017 and later). ️Autoauth for FCA SGW, compatible with FCA cars (for Chrysler, for Jeep, for Dodge, for Fiat etc.) after 2017 and later. CRP919E BT supports unlocking, but need to go to the official website to buy it yourself️Guided function for V.A.G(for VW for Audi for Skoda for Seat) vehicles.
    • 【Powerful Bidirectional Control/Active Car Tests】: Same as LAUNCH X431 series, LAUNCH X431 CRP919E BT OBD2 launch diagnostic tool inherits the powerful bidirectional control. Bidirectional control is widely used in cars, it sends commands to the system/component to test its working status without using the vehicle controls, let you quickly understand whether a certain system, component or subsystem is working normally.
    • 【Advanced ECU Coding OBD2 Scanner】: LAUNCH X431 CRP919E BT obd2 code reader supports adjustments, learning, calibration, initialisation, adaptation, customisation, retrofit, modification. LAUNCH X431 CRP919E BT car diagnostic tool launch newly added ECU coding, Online coding (ONLY for VW for Audi for Skoda), Offline coding/programming variant, Flash hidden functions, Adaptive data reset, Match replaced components, Customize OE settings.
    • 【37+ Helpful Reset Services Keep Growing】: LAUNCH X431 CRP919E BT OBDII diagnostic scanner can perform 35+ commonly used reset functions that every mechanic needs for various scheduled services and maintenance, such as Oil reset, ABS bleed, electronic throttle reset, transmission reset, battery alignment, TPMS reset, etc.... Note: Functions vary by vehicle model and year of manufacture. Please reach us to check compatibility before purchase.
    • 【2025 Elite Full-featured and Cost-effective LAUNCH X431 CRP919E BT】LAUNCH X431 CRP919E BT OBDII Bluetooth code reader is an upgraded version of CRP919E. Convenient Bluetooth connection+alternative USB connection, 4G+64GB, Android 10.0 OS, V.A.G guided function, ECU online coding+offline programming, CANFD&DOIP, FCA, 35+ Services, Bi-Directional Control, Full Diagnostic Systems, 8-in-1 Data Stream, 6300mAh battery capacity, 2 years update without cost, 8MP rear camera, support VSP600 endoscope.
  • 9.7
    2
    MOTOPOWER
    18% Off

    MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars

    Main highlights
    • Wide Vehicle Compatibility - The OBD2 professional automatic scanner supports all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. Works with most 1996 and newer US cars, 2000 EU and Asian cars, light trucks, SUVs, and newer OBD2 and CAN vehicles both at home and abroad. Supports 6 languages - English,German, Dutch, Spanish, French, Italian. 【Refer to the Compatibility Guide to see if the scanner supports your car. 】
    • Plug & Play for Every Driver - No Apps or WiFi needed. No additional battery or charger needed. Extended cable reaches tight spaces, while the intuitive menu works right out of the box. Perfect for DIYers and mechanics. Designed with a clear LCD screen (128 x 64 pixels) - white backlight and contrast adjustment.
    • Please make sure refer to the Compatibility Guide to see if the scanner supports your car. If you have any question, please contact the seller/store directly for assistance. We provide hassle-free return or refund. 【Direct refund without return if any quality problem or compatibility issue. Save your time and cost.】
    • Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
    • Connection Guide - Plug the scanner into the OBDII port on your car, turn on the ignition and then press the OK button to make the connection. To view the live data, please start the engine. 【Erase Codes】 - When you find the fault codes, please fix the problem before erasing the codes. If the codes erased without the problem fixed, the engine fault light may turn on again in the future.
    • Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner: scroll up/down, enter/exit and buttons that quick query VIN vehicle number & the DTC fault code.
    • ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
  • 9.5
    3
    TOPDON

    OBD2 Code Reader TOPDON ArtiDiag500, DIagnostic Scanner Engine/Transmission/ABS/Airbag Car Diagnostic Tool, 5 Reset Functions for Oil/BMS/ABS/ETS/Throttle, One-Click Lifetime Wi-Fi Update

    Why we love it

    The TOPDON AD500S offers 5 functions to help with common maintenance needs like resetting oil and throttle adaptation.
    The TOPDON AD500S can read and clear codes for 4 major vehicle systems: engine, transmission, airbag, and ABS.
    The TOPDON AD500S has full OBDii functions, making it easy to find and fix emission related issues.
    Main highlights
    • 【Wide Vehicle & Languages Coverage】: TOPDON scanner AD500 covers 67+ car manufacturers and 10000+ models including popular cars from Europe, Asia, and the US. Europe. It supports 12 languages of EN/FR/DE/SP/PT/RU/JP/IT/CH/KR/PO/TK. Note: Confirm the Compatibility Before Purchase.(TOPDON Website>Support>Vehicle Coverage),Make sure this obd2 scanner works on your car, for any inquiriesor for any support support@topdon.com 24/7.
    • 【Upgraded ArtiDiag500 for Peak Performance】 The TOPDON OBD2 scanner performs all ENG/AT/SRS/ABS diagnostics with 4-in-1 graphic live data. 🚩It covers all OBD2 tests for 67 manufacturers and 10000+ model. It also features 5-second one-touch AutoVIN, 🚩a free one-touch lifetime upgrade through WiFi, library DTC, 12 languages, 🚩printable auto-generated report with email sharing, 🚩smooth Android 11.0, 32GB ROM, 🚩5-inch touchscreen, and up to 10 hours of battery life.Plus, benefit from TOPDON's 1-year quality backup for added peace of mind.
    • 【OBDII Full Functions & Free Update】: The vehicle scanner TOPDON AD500 has full OBDII functions, which allow mechanics and car owners to directly read the data stored in the engine and exempt emission-related issues. This data is analyzed to identify the specific issue, even you are a green hand of repair, you can also quickly grasp whether it’s an engine misfire, loose wires, or change in oxygen levels. Lifetime free updates keep you always the first the enjoy new functions.
    • 【6 Reset Functions】: TOPDON diagnostic scanner ArtiDiag500 offers 6 commonly-used maintenance functions of Oil Reset, Throttle Adaptation, SAS/TPMS/BMS/EPB Reset to set the parameters to normal and turn off the MIF after replacement or repair. These 6 functions help professional mechanics to deal with daily reset works and allow DIYers to fix the resting by themselves without spending the extra costs.
    • 【4 Systems Diagnostics】: In addition to emission-related OBD II diagnostics, TOPDON diagnostic tool AD500 can also easily access to 4 major vehicle systems of Engine, Transmission, Airbag, ABS for more than 67+ car brands and process and deep analyses through reading/clearing fault codes, retrieving ECU data and displaying live data. With AD500, vehicle enthusiasts can detect and find a proper solution by themselves. [Note:]We strongly recommend asking us for compatibility before purchasing.
    • 【4 Functions Ease Your Job】: With multiple ways (graphic, value, combined) to display live data, you can easily observe and analyze data. Up to 4 streams can be merged in 1 graphic for comparison. Just need one click, Auto VIN leads to quickly get the vehicle info and clear the fault codes easily. Recording is also supported for you to monitor dynamic data. Thanks to the online feedback, you can always get your questions solved in time.

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