
Professional vehicle diagnostics in Lisburn
Troubleshoot warning lights, pinpoint mechanical and electrical faults, and get your car running smoothly with expert Topdon diagnostics. We can clear codes if needed, or generate a full diagnostic check with all codes printed for you take your own garage/mechanic or keen fix yoursel.
This cuts down on the mechanics work and let's you see what you need for your car maybe source part
Feel free contact us on number provided
Our diagnostic services
Equipped with industry-leading Topdon scan technology, we provide clear, reliable fault finding and solutions for private motorists and trade clients across Northern Ireland.
Engine light & fault code reading
Quickly identify why your check engine or warning lights are triggered. We extract live data, interpret fault codes, and advise on precise fixes.
Electrical & sensor testing
Isolate battery drain, malfunctioning sensors, ABS alerts, and complex wiring issues with deep component-level diagnostics.
DPF & emissions analysis
Solve diesel particulate filter blockages, regeneration faults, and emissions issues before they cause costly engine damage.
Pre-purchase & system reset
Get full health scans before buying a used vehicle, or carry out essential service light resets, battery adaptations, and recalibrations.
"Found an intermittent fault that two other garages couldn't trace. Fast, honest, and saved me hundreds of pounds in unnecessary part replacements."
Mark Robinson, Lisburn
Accurate diagnostics you can depend on
At Topdon Scan and Diagnostic NI, our mission is to eliminate guesswork. We deliver transparent reports, clear answers, and practical repair solutions to keep you safely on the road.
Frequently asked questions
Have questions about your vehicle scan? Learn how our Topdon diagnostic process works, what to expect, and how quickly we can get your issue identified.
