Instantly Diagnose Engine Faults and Turn Off Check Engine Lights with AutoDyag
Stop overpaying for expensive garage diagnostics. AutoDyag gives you instant access to over 3,000 engine fault codes, live engine data, and battery health tracking on a vibrant colour screen—putting professional car troubleshooting right in your hands.
- Reads & clears 3,000+ engine error codes
- One-click I/M readiness test for MOT checks
- Real-time 24-hr battery monitoring
- Vivid colour display & audio alerts
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Professional Vehicle Diagnostics Made Simple, Reliable, and Completely Effortless
Instant Fault Code Reading & Clearing
Quickly identify why your check engine light is on with an extensive database of 3,000+ code definitions. Erase warning lights after repairs and avoid unnecessary trips and expensive diagnostic fees at the garage.
One-Click MOT & Emissions Verification
Patented One-Click I/M Readiness key provides fast state emissions and drive cycle verification. Colour-coded LED indicators and built-in speaker give immediate visual and audible confirmation of vehicle readiness.
Live Data & Battery Tracking
Monitor dynamic engine parameters such as RPM, speed, and freeze frame metrics in real time. Continuous 24-hour battery health monitoring ensures your vehicle stays dependable in all conditions.
Trusted by over 45,000 drivers and DIY mechanics across the UK
"AutoDyag bridges the gap between complex workshop tools and user-friendly DIY devices. Its prompt code retrieval, integrated definitions, and battery monitoring make it an essential tool for every motorist's glovebox."
Dr. James Miller, Research Specialist
Why Choose AutoDyag
Engineered for Complete Precision and Unmatched Reliability
Everything you need to maintain vehicle health
3000+ Code Definitions
Translates cryptic trouble codes into plain English so you know exactly what is wrong and how to fix it immediately without second-guessing.
High-Res Colour Display
Crisp TFT screen displays diagnostic results, fault codes, and graphical data streams clearly in bright daylight or poor garage lighting.
Universal Fitment
Works seamlessly on petrol, diesel, and hybrid cars supporting standard OBD II and CAN protocols across UK, EU, and US models.
Freeze Frame Analysis
Captures a snapshot of engine operating parameters at the exact moment a fault occurs to aid accurate fault identification.
24-Hour Battery Monitoring
Displays real-time voltage readouts to help you detect failing vehicle batteries before you end up stranded unexpectedly.
USB Printable Reports
Save diagnostic data to internal memory and connect to a computer via USB to print comprehensive maintenance records for your records.
Inside AutoDyag
What's Included in Your Order
1x AutoDyag OBD2 Scanner
User Manual
Packaging Box
Dedicated UK Support
Our team of knowledgeable diagnostic specialists is on hand 7 days a week to assist with setup, vehicle compatibility inquiries, and general troubleshooting support whenever needed.
Frequently Asked
Quick answers to common questions
Customer Reviews
See What Other Motorists Are Saying
David H., UK
AutoDyag identified an O2 sensor fault in two minutes. Fixed it myself and saved a £90 diagnostic fee at the main dealer. Clear colour screen and very simple to use.
Verified Buyer
Mark T., Bristol
The One-Click I/M readiness feature helped me pass my MOT without hassle. Excellent build quality, intuitive menus, and the live battery graph is a massive bonus.
Verified Buyer
Sarah W., Leeds
I know very little about engines, but this scanner made diagnosing a warning light completely stress-free. It told me exactly what was wrong in plain English. Highly recommended!
Verified Buyer