Diagnostic Central

Find the right diagnostic tablet for mechanics with advice on speed, coverage, live data, updates and workshop-ready performance.

Learn how to use diagnostic adapters correctly for cars and commercial vehicles. Improve compatibility, avoid errors and diagnose faults faster.

Find out which diagnostic scanners can read and clear airbag and SRS fault codes, what vehicle coverage matters and why a basic OBD2 reader may not work.

Automotive diagnostics buyer guide for UK garages and DIY drivers. Learn what scanner features matter, where to spend, and what to avoid.

Winter car battery checks help prevent cold-start failures, warning lights and breakdowns. Learn what to test, when to charge and when to replace.

Launch diagnostic tool review for UK garages and DIY users. See strengths, limits, vehicle coverage and whether Launch is worth the spend.

Yes, a weak battery can trigger warning lights and fault codes. Learn which electrical faults low voltage can cause and what to test before replacing parts.

Yes, OBD2 scanners can clear fault codes – but the fault may return. Learn what scanners can reset, what they can’t, and which diagnostic tool you need.

Need replacement leads for diagnostic tools? Learn what fits, what fails, and how to choose reliable leads for faster, accurate vehicle testing.

Find the best obd2 scanners for diesels, from basic code readers to workshop tools, with clear advice on features, compatibility and value.