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Code Readers Scan Tools Comparison - June 2025

7 Best Code Readers Scan Tools In the UK

Last Updated - 17/06/2025

Advertising Disclosure

Our Score

To Amazon

View DealOn Amazon

Model

Car OBD2 Scanner Universal Wired Auto Engine Fault Code Reader CAN Diagnostic Scan Tool V309 for Check Engine Light, I/M Readiness Smog Check, HD LCD Display Screen

Model

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

Model

MUCAR CS90 Car Diagnostic Tool, ECM + 28 Lifetime Free Reset, Check Engine System, Oil/BRAKE/SAS/DPF/IMMO/ETS/Injector Coding Maintenance, OBD2 Scanner, OBD2 Code Reader Scan Tool

Model

MOTOPOWER MP69038 Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner CAN Diagnostic Scan Tool - Elite Edition

Model

MOTOPOWER MP69040 Car OBD2 Scanner Check Engine Fault Code Reader Diagnostic Scan Tool, Black

Model

OBDII OBD2 Bluetooth Fault Code Reader | Wireless Diagnostic Scan Tool for Cars | Compatible with Any Android Device | Read & Clear Engine Error Codes | Real-Time Data Monitoring

Model

Creator C410 OBD2 Diagnostic Tool Fit for BMW Mini with Battery Registration Oil Reset ABS SRS EPB DPF All System OBD2 Scanner Code Reader Scan Tool [New Version Update of C110+ C310+]

Brand

RICOKEY

Brand

MOTOPOWER

Brand

mucar

Brand

MOTOPOWER

Brand

MOTOPOWER

Brand

OBD Connect

Brand

Creator

Reviews

4,794 reviews

Reviews

107,619 reviews

Reviews

1,542 reviews

Reviews

2,835 reviews

Reviews

645 reviews

Reviews

1,677 reviews

Reviews

45 reviews

Features

Worth the money

9.1

Worth the money

9.1

Worth the money

9.1

Worth the money

8.9

Worth the money

8.6

Worth the money

9.1

Worth the money

7.9

Simple to use

9.4

Simple to use

9.4

Simple to use

9.3

Simple to use

9.1

Simple to use

9.1

Simple to use

9.1

Simple to use

9.1

Tech Specs

manufacturer part number

V309

manufacturer part number

MP69033

manufacturer part number

OBD2 Scanner

manufacturer part number

MP69038

manufacturer part number

Professional

manufacturer part number

V1.5

manufacturer part number

item weight

210 g

item weight

289 g

item weight

720 g

item weight

222 g

item weight

370 g

item weight

30 g

item weight

customer reviews

4.2 4.2 out of 5 stars 1, 598 ratings 4.2 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

4.3 4.3 out of 5 stars 514 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 215 ratings 4.4 out of 5 stars

customer reviews

4.0 4.0 out of 5 stars 559 ratings 4.0 out of 5 stars

customer reviews

product dimensions

19.9 x 13.3 x 3.4 cm 210 g

product dimensions

15.29 x 6.99 x 2.31 cm 289.17 g

product dimensions

21 x 12 x 2 cm 720 g

product dimensions

15.29 x 6.99 x 2.31 cm 222 g

product dimensions

9.7 x 2.7 x 16 cm 370 g

product dimensions

model

MP69033

model

CS90-UK

model

MP69038

model

MP69040

model

OBD Connect - OBDII OBD 2 Bluetooth Fault Code Reader For Use Exclusively With Android Devices

model

special features

Read and clear diagnostic trouble codes for the check engine light, both generic and manufacturer specific codes, Large easy-to-read LCD screen, Retrieves vehicle information, View freeze frame data

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

manufacturer reference

V309

manufacturer reference

OBD2 Scanner

manufacturer reference

Available On

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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
1

RICOKEY
15% Off

Car OBD2 Scanner Universal Wired Auto Engine Fault Code Reader CAN Diagnostic Scan Tool V309 for Check Engine Light, I/M Readiness Smog Check, HD LCD Display Screen

9.4 Simple to use

9.1 worth the money

Why we love it

Easy to use for beginners.

No battery required.

Supports multiple languages.
Main highlights

【To Be Your Own Mechanic】Easy to Operate. This Car diagnostic scanner can easily determines the cause of the Malfunction Indicator Light( MIL) ,Retrieves generic (P0, P2, P3 and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes and displays DTC definitions on unit screen. Save money and time.
【Large LCD Display & No Battery Required】The V309 Enhanced OBD II Scanner is well built with a large LCD display (128 x 64 pixel) that has white backlight and contrast adjustment, indicates test results directly. No need any Batteries or Charger, gets the power directly from the OBDII Data Link Connector(DLC) in your vehicle, making it convenient for all drivers,DIYers and Home Mechanics.
【Enhanced Version & Powerful Compatibility】We Owned Design Patent. Universal OBD2 code scanner is ‘Plug and play’ , fast scan and clear trouble codes, very easy to use even for beginners. Works on all 1996 and newer vehicles (OBD II & CAN)-domestic and import,find out what the problem is and perhaps fix it yourself. Supports 5 Languages (English, French, German,Spanish, Dutch).
【Accurate & Fast Car Diagnosis】Quickly read and erase DTC (engine fault codes), with high definition on-screen over 3000 DTC ,allow you accurately determine causes of the check engine light ,turns off Malfunction Indicator Light (MIL),clears codes and resets monitors as well as views freeze frame data,displays monitor and I/M readiness status(emissions),reads live PCM datastream and retrieves vehicle information(VIN, CIN and CVN). Please NOTE: It will NOT read non-OBDII related lights, such as AirBag, ABS , SRS ,Oil Service Light OR TPMS, etc.
【24 Months Warranty & Top Customer Service】Customers 100% Satisfactions is our striving target. We offer you a 24 Months money back guarantee in case this auto diagnostic scanner does not live up to your expectations, please feel free to contact us to provide 100% Full Refund & Return Guarantee.
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9.8
2

MOTOPOWER
36% Off

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

9.4 Simple to use

9.1 worth the money

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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9.6
3

mucar
MUCAR CS90 Car Diagnostic Tool, ECM + 28 Lifetime Free Reset, Check Engine System, Oil/BRAKE/SAS/DPF/IMMO/ETS/Injector Coding Maintenance, OBD2 Scanner, OBD2 Code Reader Scan Tool

9.3 Simple to use

9.1 worth the money

Why we love it

Lifetime free updates and maintenance resets.

Comprehensive diagnostic coverage for most car systems.

24/7 professional support via app and email.
Main highlights

Wifi Upgrade: After you receive our products, for better product experience as well as car diagnositic, please connect to wifi/phone hotspot and accept or take the initiative to update APP operating system and car brand diagnostic software.
Smarter & User Friendly: With a multilingual menu and fast operating speed, you can quickly get clear access to vehicle information. It allows you to add multi parameters in the meantime to show the live data, which helps you quickly find potential problems of the vehicle. Data record, playback, and printable Inspection report (share via email) make diagnostic information easily at your hands.
Online Service Support: With 24/7 professional support MUCAR is there for you anytime, anywhere. Get in touch with our highly trained technicians whenever you need them by the in-app chat. Also you can contact our MUCAR brand official after-sales service mailbox, we will also have a professional customer team for your service!
Note: If you clear the fault code directly without repairing the car and find that the fault code is still there, it is your car hardware fault still exists. We recommend that after reading the fault code, repair the car first and then clear the fault code.
Full OBD2 Functions: CS90 obd2 scanner supports 10 OBD2 function modes to Read Codes, Clear Codes, Live Data, View Freeze Frame, I/M Readiness, O2 Sensor Test, On-Board Monitor Test, EVAP Test, Vehicle Information, Read Permanent DTC etc. With freeze frame data you can check the vehicle fuel trim, engine coolant temperature, and more. Perform oxygen sensor tests and carbon canister tests to ensure your vehicle is ready for all emission services.
About Compatibility: MUCAR CS90 has compatibility limitations for vehicle models, in order to avoid problems of mismatch or function failure after purchase. Please check the compatibility before purchasing, please send the make, series and year of the vehicle.
ABS Scan Tool: Newly Added Functions in 2025! It can help read and clear the error code in the ABS now and turn off the warning light. It retrieves ABS codes to make braking more smooth, consistent and safe. It also performs live data streams in the ABS that allow the user to monitor and diagnose critical ABS systems to ensure that repairs to this critical system are effective and complete. Tips: You can clear the cache and log in again, you'll get this new feature.
28 Maintenance Reset, Lifetime Free: MUCAR CS90 car diagnostic tool comes with lifetime free 28+ reset service and upgrades functions: Oil, SAS Calibration, IMMO Keys (disable lost keys, add new keys), ABS Bleeding, Injector Coding, Battery Registration, DPF Regeneration, Throttle, Headlight, EGR Adaption, Tooth Learning, Sunroof Initialization. And it will restore partial parameter status after repair and maintenance. CS90 ranks the best in ideal choice for Shop/User.
(ECM) Professional Engine System OBD2 Scanner: Use this OBD2 code reader for most important car systems, including Basic Engine Systems (ECM). You will have the ability to read the codes and make sure all security measures are in place. Not only will you receive the code definition, but you will also be able to view possible causes and reported corrections for specific vehicle codes.
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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

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.

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.

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.

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.

7 Best Code Readers Scan Tools In the UK

Our Score

To Amazon

Model

Brand

Reviews

Features

Worth the money

Simple to use

Tech Specs

manufacturer part number

item weight

customer reviews

product dimensions

model

special features

manufacturer reference

Available On

Our Top 3 Picks

Car OBD2 Scanner Universal Wired Auto Engine Fault Code Reader CAN Diagnostic Scan Tool V309 for Check Engine Light, I/M Readiness Smog Check, HD LCD Display Screen

Why we love it

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

Why we love it

MUCAR CS90 Car Diagnostic Tool, ECM + 28 Lifetime Free Reset, Check Engine System, Oil/BRAKE/SAS/DPF/IMMO/ETS/Injector Coding Maintenance, OBD2 Scanner, OBD2 Code Reader Scan Tool

Why we love it

Our ranking system

Features

Consumer Reviews

Popularity

Value for money

Value for money

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obd2 wifi, wifi obd2 adapter, Car OBD II Diagnostic Tool, OBD2 Wireless Car Code Reader Scan Tool, OBD2 Scanner WiFi Car Engine Fault Code Reader Reset Adapter for IOS Android Windows

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7 Best Code Readers Scan Tools In the UK

code readers scan tools comparison

Our Score

To Amazon

Model

Brand

Reviews

Features

Worth the money

Simple to use

Tech Specs

manufacturer part number

item weight

customer reviews

product dimensions

model

special features

manufacturer reference

Available On

Our Top 3 Picks

Car OBD2 Scanner Universal Wired Auto Engine Fault Code Reader CAN Diagnostic Scan Tool V309 for Check Engine Light, I/M Readiness Smog Check, HD LCD Display Screen

Why we love it

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

Why we love it

MUCAR CS90 Car Diagnostic Tool, ECM + 28 Lifetime Free Reset, Check Engine System, Oil/BRAKE/SAS/DPF/IMMO/ETS/Injector Coding Maintenance, OBD2 Scanner, OBD2 Code Reader Scan Tool

Why we love it

Our ranking system

Features

Consumer Reviews

Popularity

Value for money

Value for money

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TOPDON ArtiDiag600S OBD2 Code Reader, Car Diagnostic Tool For 4 Systems Engine/ABS/Airbag/AT, 9 Reset Functions on Oil/Brake/SAS/BMS/ABS/DPF/TPMS/Throttle, Full OBD2 Functions, Lifetime Free Update

obd2 wifi, wifi obd2 adapter, Car OBD II Diagnostic Tool, OBD2 Wireless Car Code Reader Scan Tool, OBD2 Scanner WiFi Car Engine Fault Code Reader Reset Adapter for IOS Android Windows

OBD2 Bluetooth Scanner Code Reader Reset for iOS iPhone Android Windows, Auto Car Diagnostic Scan Tool OBDII Adapter for Check Engine Light for Torque, OBD Fusion, Car Scanner App

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