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7 Best Obd2 Code Reader 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 Best Value  9.8Exceptional | 3  9.7Exceptional | 4  9.6Exceptional | 5  9.5Excellent | 6  9.4Excellent | 7  9.3Excellent |
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ModelXTOOL AD20 Pro OBD2 Scanner, Wireless Full System OBD2 Code Reader Car Diagnostic Tool, Free Update, Oil Reset, Smog Check, Performance Test, Voltage Test, Engine Fault Code Reader for iOS & Android | 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 | Model MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars | Model UWALK OBD2 Bluetooth Scanner Diagnostic Code: 5.4 OBD Code Reader Car Diagnostic Scanner Tool with Live Data - Car Trouble Code Reader OBDII Diagnostic Tester for iOS Android Windows | Model MOTOPOWER MP69038 Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner CAN Diagnostic Scan Tool - Elite Edition | Model MOTOPOWER MP69033 OBD2 Scanner Car Engine Fault Code Reader Engine System Diagnostic Tools | Model OBD2 Scanner Code Reader Tool: OBD Car Diagnostic Scan Tool - Auto Car Engine Fault Code Reader with Full OBD2 Functions - Diagnostic Machine Test Compatible with BMW Ford VW Audi All OBDII Vehicles |
BrandXTOOL | Brand TOPDON | Brand MOTOPOWER | Brand UWALK | Brand MOTOPOWER | Brand MOTOPOWER | Brand jinzhoutek |
Reviews | Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews - |
Tech Specs | ||||||
manufacturer part number XT-AD20 Pro | manufacturer part number Carpal-SCEU | manufacturer part number MP69033 | manufacturer part number V011 | manufacturer part number MP69038 | manufacturer part number MP69033 | manufacturer part number V800 |
item weight 30 g | item weight 90 g | item weight 289 g | item weight 60 g | item weight 222 g | item weight 300 g | item weight 280 g |
model XTOOL-AD20Pro | model Carpal-A-SCEU | model MP69033 | model V011 | model MP69038 | model MP69033 | model V800 |
customer reviews4.2 4.2 out of 5 stars 126 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 | customer reviews 4.3 4.3 out of 5 stars 35, 873 ratings 4.3 out of 5 stars | customer reviews 5.0 5.0 out of 5 stars 10 ratings 5.0 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 945 ratings 4.2 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 3, 670 ratings 4.2 out of 5 stars | customer reviews - |
product dimensions 10.49 x 6.71 x 2.69 cm 30 g | product dimensions 5.08 x 2.54 x 8.38 cm 90 g | product dimensions 15.29 x 6.99 x 2.31 cm 289.17 g | product dimensions - | product dimensions 15.29 x 6.99 x 2.31 cm 222 g | product dimensions 15.3 x 7 x 2.3 cm 300 g | product dimensions - |
manufacturer reference XT-AD20 Pro | manufacturer reference - | manufacturer reference - | manufacturer reference V011 | manufacturer reference - | manufacturer reference - | manufacturer reference V800 |
special features Vehicle Performance Test & Battery Voltage Test & Trip Analyze, Full OBD2 Tests, Fault Descriptions, possible causes, possible fixes, severity, Fits for iOS & Android Devices, Oil Reset, Scan All Systems including ABS, SRS Airbag , Engine, Transmission, Body, Brake, etc | special features - | special features DTC lookup library, Data Flow, Real-Time Graphic View, View Freeze Frame | special features - | special features One-click I/M readiness, Color TFT screen, Mini size design for easy operation | special features - | special features - |
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
1XTOOLXTOOL AD20 Pro OBD2 Scanner, Wireless Full System OBD2 Code Reader Car Diagnostic Tool, Free Update, Oil Reset, Smog Check, Performance Test, Voltage Test, Engine Fault Code Reader for iOS & Android
Why we love it
Easy Bluetooth connection to iOS and Android.
Comprehensive diagnostics for all car systems.
Lifetime free updates and tech support.
Main highlights- Upgraded of XTOOL AD20 OBD Scanner: 2025 XTOOL Advancer AD20 Pro is a next-generation OBD2 scanner equipped with faster BT5.0 connection, support iOS and Android devices, download the “Advancer AD20” from Google Play or App Store to get: All System Diagnosis, Full OBD2 Test Modes, OBDll Live Data, Smo~g Check, Check Engine Light On, Battery Voltage Test, Vehicle Management, Vehicle Performance Test, Trip Recorder, Fault Warning, Live Data, Repair Guide, Lifetime Free Update, and more. This car diagnostic scanner is perfect for DIYers and Home.
- Turn Off Check Engine Light & Ready Your Car for MOT Test (Smo~g Test): The AD20PRO car code reader can scan powertrain (PCM) module to pull emi~ssion related diagnostic fault codes (DTCs), freeze frame, data stream (PID) to show why the check engine light (MIL) is on, how severe is the car issue, and how to fix it effectively with the help of possible causes and fixes. This odb2 diagnostic tool can also get your car ready for MOT Test with the readiness status check feature-saving you time and helping you avoid failed tests.
- Lifetime Free Updates & Customer Support You Can Trust: Every AD20 Pro vehicle diagnostic tool comes with lifetime access to free software updates, ensuring long-term compatibility and the latest features without extra fees. Our dedicated support team is always available to assist with any issues or questions. Plus, we offer a 30-day hassle-free return policy. Upgrade your vehicle diagnostics with confidence.
- In-depth to Explain the Fault Code & Fault Codes Waring: The obd 2 scanner features with Fault Code Definitions, which is immensely useful for the car owner to fix car issues or replace faulty components, Instant access to a library of specialised repair information for easy-to-understand definitions and repair recommendations. Also, there is Fault Warning function, when your vehicle has fault codes or the coolant temperature is too high, you will receive warnings on your smart device to help ensure safer driving and prompt maintenance.
- Full OBDII Test Modes Car Scanner: The Advancer AD20 Pro obd reader features with full OBD2 test modes: read/clear codes, view live data in text including volts/rpm/temperature/speed values, etc. One-click I/M readiness, perform EVAP test, etc. By troubleshooting check engine light issue, passing the annual MOT check and keeping your car in good status, this wireless car diagnostic tool ensures quick and effective diagnostics for car owners, workshops, automotive technicians
- Enhance Your Driving Experience: XTOOL AD20 PRO makes your driving experience more fun! Smart Dash allows you to customise your dashboard data to focus only on the driving data you need; For performance-focused enthusiasts, the Performance Test measures your car's 0-100km/h time, acceleration, Engine load, Coolant temperature, giving you a clear picture of your car's performance. Trip management (analysis) allows you to understand each driving behaviour, such as Total Mileage, Avg. fuel consumption (L), Time, Avg. speed (km/h), Top speed (km/h), Sudden acceleration; and Risky behaviours during driving, e.g. sudden acceleration, sharp turns, heavy brakes, tired driving, etc.
- Car Health Management Specialist: Plug and play, with smart Auto VIN for quick identification, you can easily connect to your car without manual inputs, Automatically reads data, the live data will be visualized in text, including Speed, RPM, Coolant Temperature, Battery Voltage, Engine Load, and gauge displays etc. Helping you monitor your car’s health in real time and detect hidden issues before they escalate.
- BT Connection Issue ---- Please check the following cases to locate the reason. ●1. Please check OS version of your device because scanner is compatible with devices of OS Android 4.4+(with64-bit processor) and iOS 11+.(Android devices with 32-bit processor is not compatible since it is relatively old in the market) ●2. Please make sure the dongle is firmly plugged into the OBDII port. ●3. Please make sure that the network is stable. ●4. Please make sure that the vehicle is started or the ignition switch is in "ON" position.
- All System Quick Scan, In-depth Check & Oil Reset: The XTOOL AD20 Pro car fault code reader features in-depth check every vehicle systems like engine, transmission, ABS, steering, safety, infotainment and more, reads fault codes, displays the severity of the faults (severity level 1/2/3), one-key networking query, fault cause description, and repair suggestions. Tells you which problems need to be prioritised and saves repair time; With the Oil Reset function, you can reset the oil maintenance light right at home—no tools or mechanic required.
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9.8
2TOPDON22% Off
TOPDON CarPal A, OBD2 Scanner, All System Diagnosis, Wireless Bluetooth Diagnostic Tool, Vehicle Health Check, Smog Check, Repair Guide, Engine Inspection, Vehicle Performance Test
Why we love it
Comprehensive vehicle health insights.
Easy-to-use Bluetooth connectivity.
Multilingual support available.
Main highlights- [Your Car's Health, Perfectly Monitored] CarPal is designed to make vehicle maintenance straightforward and efficient. With smart AutoVIN for rapid identification, you can easily connect to your car without manual inputs. The live data will be visualized in various formats, including graphs, numerical values and gauge displays, and clear 4-in-1 data graphs, making it effortless to monitor real-time performance. The data record/report enables playback and further analysis.
- [What You Will Get] Package includes: CarPal*1, Quick Start Guide*1. CarPal's multilingual support—covering English, French, German, Spanish, Portuguese, Russian, Japanese, Korean, Italian, Traditional Chinese, and Chinese—ensures you receive top-notch support in your preferred language. Plus, we offer premium after-sales service to ensure your complete satisfaction. The customer support team is always here to provide timely and professional assistance.Tips: Cannot support 32-bit cell phones.
- [One-Stop Solutions for Simplified Repairs] TOPDON’s CarPal delivers everything you need for efficient and accurate repairs. Instantly access detailed DTC repair guides, stay updated with the latest Technical Service Bulletins (TSBs), and easily locate your vehicle's diagnostic port. Additionally, the comprehensive Warning Light Library provides clear explanations, potential causes, and recommended actions for all dashboard lights.
- [Mobile Mechanic for On-the-Go Car Care] Featuring Bluetooth 5.0 technology, CarPal provides a stable wireless connection with no-cable convenience in a range of up to 33ft/10m, ideal for you to diagnose from a comfortable distance. This diagnostic tool is compatible with Android 7.0 or above and iOS 11.0 or above, transforming a phone into an easy-to-use scanner. Along with a compact body that fits in a pocket or toolbox, CarPal will be your vehicle health partner on the move.
- [Easy OBD2 Bluetooth Scanner, Complete Car Insights] Enjoy peace of mind with our comprehensive vehicle health check. From engine to steering, CarPal covers every crucial vehicle system and meticulously evaluates your car's health and enables read/clear codes with one tap. Understanding engine status has never been easier. CarPal indicates the severity of faults (severe or minor), and each code comes with tailored repair instructions to help you prioritize repairs and make informed decisions.
- [Advanced Care, Save Time and Money] The Battery Test feature monitors real-time voltage and tracks battery performance to stay ahead of potential issues and maximize battery longevity. Our Smog Check allows you to perform a pre-test of the vehicle emissions, ensuring you pass your annual inspections. And for those who crave speed, the Performance Test measures your car's 0-60mph acceleration, giving you a clear picture of the vehicle’s capabilities.
- [6 Essential Maintenance Functions] Take your vehicle maintenance to the next level with CarPal. This advanced diagnostic tool offers 6 of the most common reset services to keep your car running at its best. Start with features like Oil Reset and TPMS Reset to manage your vehicle's routine needs, and BMS Reset and EPB Reset for smoother driving. Throttle Adaptation and DPF Regeneration maintain optimal engine efficiency.
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9.7
3MOTOPOWER18% Off
MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars
Why we love it
Supports multiple car models and languages.
No battery needed; powers from vehicle.
User-friendly LCD screen with clear display.
Main highlights- Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian. 【Refer to the Compatibility Guide to see if the scanner supports your car. 】
- Screen Protecting Film - There’s a transparent screen protecting film on the screen surface. If any scratches on the film, just tear off the screen protecting film. If any more problem on the screen, just contact our customer service for replacement directly.
- 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 directly for assistance.
- 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.
- LCD Display - Designed with a clear display LCD screen (128 x 64 pixels) - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
- 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.
- 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. If connection failure, please contact motopower directly for assistance.
- 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.
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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.
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.
