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Your automotive diagnostic assistant
From fault codes to the next check: see how Diagolia brings a clear method to your diagnostic work.
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3 free standard diagnostics · No credit card required
English · 33 seconds
A warning light comes on. Not sure where to start? With Diagolia, move forward with confidence.
Enter your vehicle, describe the problem, and add your fault codes.
Diagolia looks at the context, suggests possible causes, and explains what to check.
Follow the guide, step by step. Share what you find, and the next steps adapt to your results.
Work through the problem with a clear method, while keeping the final decision in your hands.
Diagolia. Your automotive diagnostic assistant. Try it for free at diagolia.com.
A method, from context to action
Diagolia connects the information in your case to help you decide on the next useful step.
01The context
Bring together the vehicle, symptoms, codes and checks already completed. Each detail helps put possible causes in perspective.
02The leads
Explore prioritised possible causes and suggested checks, informed by the sources available for your case.
03The checks
Share your observations in the guided diagnostic. The next steps adapt to the results you provide.
You carry out the checks. You make the final decision.

Built for everyday workshop work
From fault analysis to the final report, keep a clear thread through your work on the vehicle and your explanation to the customer.
Sources, guided diagnostics and PDF reports are available depending on your plan and case. Compare plans
The Discovery account includes 3 standard diagnostics and one guided diagnostic trial, with no credit card required. You can then choose a plan that fits your work.
Diagolia complements your equipment: it uses the information you provide to help you reason through a case. You still use your tools to read fault codes, take measurements and carry out checks on the vehicle.
Yes. Email hello@diagolia.com with a little about your work and what you’d like to explore. The team can discuss your first trial with you.
From this video to your workshop
Start with a case you know. Enter the vehicle, symptoms and fault codes, then explore the possible causes Diagolia suggests.
Try Diagolia for free3 free standard diagnostics · No credit card required
Tell us about your work and what you’d like to try. We’ll help you get started.
Email ushello@diagolia.com