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Obd Ii Engine System Diagnostic Tools Comparison - August 2025

6 Best Obd Ii Engine System Diagnostic Tools In the UK

1
Best Choice
9.7Exceptional
2
9.6Exceptional
3
Best Value
9.3Excellent
4
9.2Excellent
5
9.1Excellent
6
9.0Excellent
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Model

Veepeak OBDCheck BLE+ Bluetooth OBD II Scanner Car EOBD Engine Code Reader Auto Wireless Diagnostic Scan Tool for iOS & Android
Model
TOPDON OBD2 Code reader Scanner ArtiDiag500, Engine ABS SRS Transmission Car Diagnostic Tool for all cars, 6 Reset Services for Oil/SAS/TPMS/ETS/BMS/Brake, Wi-Fi Free Update
Model
VDIAGTOOL VD30 Pro OBD2 Scanner, Car Diagnostic Tool with Battery Tester, Fault Code Reader for All OBD II with Reset, Live Data, Check Engine Light, I/M Readiness for All OBDII Protocol Vehicles
Model
MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars
Model
MOTOPOWER MP69038 Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner CAN Diagnostic Scan Tool - Elite Edition
Model
TOPDON CarPal A, OBD2 Scanner, All System Diagnosis, Wireless Bluetooth Diagnostic Tool, Vehicle Health Check, Smog Check, Repair Guide, Engine Inspection, Vehicle Performance Test

Brand

Veepeak
Brand
TOPDON
Brand
VDIAGTOOL
Brand
MOTOPOWER
Brand
MOTOPOWER
Brand
TOPDON

Reviews

24,777 reviews
Reviews
1,143 reviews
Reviews
105 reviews
Reviews
107,619 reviews
Reviews
2,835 reviews
Reviews
63 reviews

Tech Specs

manufacturer part number

OBDCheck BLE+
manufacturer part number
ArtiDiag500
manufacturer part number
VD30 pro
manufacturer part number
MP69033
manufacturer part number
MP69038
manufacturer part number
Carpal-SCEU

item weight

60 g
item weight
565 g
item weight
340 g
item weight
289 g
item weight
222 g
item weight
90 g

customer reviews

4.6 4.6 out of 5 stars 8, 259 ratings 4.6 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 381 ratings 4.5 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 35 ratings 4.6 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 35, 873 ratings 4.3 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 945 ratings 4.2 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 21 ratings 4.4 out of 5 stars

product dimensions

4.09 x 5 x 2.21 cm 60 g
product dimensions
23.2 x 12.6 x 3.4 cm 565 g
product dimensions
-
product dimensions
15.29 x 6.99 x 2.31 cm 289.17 g
product dimensions
15.29 x 6.99 x 2.31 cm 222 g
product dimensions
5.08 x 2.54 x 8.38 cm 90 g

model

-
model
ArtiDiag500
model
VD30
model
MP69033
model
MP69038
model
Carpal-A-SCEU

special features

-
special features
Wi-Fi Free Update , 4 System diagnostic: Engine/ABS/SRS/Transmission , Full obd2 function , 3 Reset Service: Oil reset, SAS Reset, Throttle Adaptation , DTC Look-Up
special features
-
special features
DTC lookup library, Data Flow, Real-Time Graphic View, View Freeze Frame
special features
One-click I/M readiness, Color TFT screen, Mini size design for easy operation
special features
-

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
  • 9.7
    1
    Veepeak
    11% Off

    Veepeak OBDCheck BLE+ Bluetooth OBD II Scanner Car EOBD Engine Code Reader Auto Wireless Diagnostic Scan Tool for iOS & Android

    Why we love it

    Easy to use with phone or tablet.
    Supports extensive third-party apps.
    Compact design with reduced power usage.
    Main highlights
    • WIDE VEHICLE COMPATIBILITY: Compatible with most 2001+ petrol and 2004+ diesel vehicles in EU. For EVs or PHEVs compatibility, you can check in Car Scanner ELM OBDII app for a proper connection profile or check with Veepeak before purchase (some are not supported).
    • OBD-II DIAGNOSTICS: Helps you identify reasons behind the check engine light (CEL or MIL), allowing you to read and clear trouble codes yourself, providing useful information including freeze frame, O2 sensor & on-board monitor test results, live data, and I/M readiness to help you monitor vehicle performance and analyze car problems.
    • Note: When used with BimmerCode, it only supports 2008+ E, F, I, and 2008+ R series (pre-2008 models or G/U series not supported). Pre-2008 models are not supported when used with BimmerLink. NOT compatible with ABRP (Android version), Carly, MHD, xHP, ProTool, bootmod3, etc.
    • COMPATIBLE WITH IOS & ANDROID: Supports Bluetooth LE for iOS (requires direct in-app connection; not via Bluetooth settings) and Classic Bluetooth for Android phones or tablets (Android head units not supported).
    • COMPATIBLE WITH A VARIETY OF OBD APPS including: Car Scanner ELM OBDII, OBD Fusion, Torque (Android only), Infocar, BimmerCode, BimmerLink, OBD JScan, Dr. Prius, OBDocker, EVScanner, VAG DPF, etc. Note: App not included; some Apps or in-app features require separate purchase.
    • Advanced diagnostics (ABS, SRS, TPMS, etc.) and manufacturer-specific data (like transmission temperature, DPF) are only available for selected vehicles via special Apps. Please refer to User Guide, or contact Veepeak to check. Service reset, or DPF regeneration is not supported.
  • 9.6
    2
    TOPDON

    TOPDON OBD2 Code reader Scanner ArtiDiag500, Engine ABS SRS Transmission Car Diagnostic Tool for all cars, 6 Reset Services for Oil/SAS/TPMS/ETS/BMS/Brake, Wi-Fi Free Update

    Why we love it

    Comprehensive diagnostics for major car systems.
    User-friendly interface with touchscreen and buttons.
    Free lifetime software updates.
    Main highlights
    • [Wide Coverage] With its multilingual menu and coverage of 67 car brands and 10,000+ models spanning North America, Europe, and Asia (including Malaysia, India, and Iran), this car scanner is compatible with the majority of 1996 and newer OBDII compliant automobiles (EN, FR, ES, DE, IT, RU, PT, JP, KR). Before buying, make sure the OBD2 scanner is compatible with your vehicle. The package contains only a charging cable and not a power adapter.
    • [User-Oriented TOPDON OBD2 Scanner] With this scan tool's touchscreen and rubberized buttons, you may easily navigate through menus or process while following a logical path. With 32GB on-board memory, the scanner enables for the recording of several diagnostic reports, which can be shared via email and printed for review. Along with this, you can upgrade your software for free for lifetime with one-touch over Wi-Fi for that help update the features and expanding car coverage.
    • [OBD2 Scanner] 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, vivid 5-inch touchscreen, and up to 10 hours of battery life.
    • [Multiple Functions] The Smart AutoVIN of this TOPDON OBD2 scanner keeps track of your manual selections for vehicle make, model, and year and directs you to the suitable diagnostics. Max 4 Live Data streams integrated for much easier data processing. Diagnostic feedback online with this diagnostic tool to help you get tough repair operations well-completed. Real-time car battery voltage monitoring identifies probable vehicle defects.
    • [4 Car System Code Reader] The TOPDON OBD2 scanner accesses 4 systems: Engine/ABS/SRS/Transmission. It identifies the ECU version, pull DTCs with 4-in-1 graphic live data and DTC explanation to identify issues, erase DTCs to turn off the warning lights after repair (For cars made in 2005 and newer). In order to help you extend the lifespan of your vehicle while improving performance, this code reader also includes all obd2 test modes to solve the major concerns for all vehicles.
  • 9.3
    3
    VDIAGTOOL
    27% Off

    VDIAGTOOL VD30 Pro OBD2 Scanner, Car Diagnostic Tool with Battery Tester, Fault Code Reader for All OBD II with Reset, Live Data, Check Engine Light, I/M Readiness for All OBDII Protocol Vehicles

    Why we love it

    User-friendly for non-technical car owners.
    Durable and reliable for long-term use.
    Quickly checks engine readiness for smog tests.
    Main highlights
    • Warn: Suitable for check engine light, ABS/Airbag/SRS/TPMS Codes NOT SUPPORTED, 24V DIESEL VEHICLES NOT SUPPORTED
    • VDIAGTOOL Assurance - Backed by a 3-year warranty & lifetime free software updates (via included USB cable) and year-round technical support. Contact our expert team 24/7 for troubleshooting
    • Extreme-Duty Diagnostics ​- VD30pro Car diagnostic scanner Engineered with next-generation processing chips and reinforced impact-resistant structure to ensure rapid, consistent diagnostics in extreme conditions—from sub-zero winters and desert heat to dusty repair shops or accidental drops—without compromising scanning speed or accuracy
    • Extensive Vehicle Compatibility - Car diagnostic tool supports all 16PIN vehicles compliant with OBDII protocols (KWP2000, ISO9141, J1850 VPW/PWM, CAN) across US (1996+), EU (2000+), and Asian cars, SUVs & light trucks, including newer CAN-equipped models, Check compatibility with your vehicle model before purchasing.
    • Beginner-Friendly Operation - 2.8-inch TFT color screen with intuitive icons displays all diagnostic data at a glance.VD30pro Car code reader Supports 8 languages & plug-and-play power via OBDII port—no batteries, chargers, or complex setup required
    • All-in-One Obd2 Scanner - Comprehensive OBD2 Functions,The VD30pro obd2 scanner diagnostic tool Can read/clear diagnostic codes, reset check engine lights (MIL), stream live sensor data, check I/M readiness, retrieve VIN, test O₂ sensors, freeze frame analysis, and access 98,563+ DTC library – plus battery voltage testing & report printing

Our ranking system

The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

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Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
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Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
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Value for money

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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.

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