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Diagnostic (vehicle-first start)

Every diagnostic starts by choosing the car. After a vehicle is selected on Start, the vehicle page shows action cards, and the Diagnostic card opens the diagnostic form for that car. The card also lists ongoing diagnostics for the car and links to its latest invoice.

  • Plans
  • Free
  • One
  • Small
  • Large
  • All regions

Why it helps

The AI analysis is always tied to the exact vehicle, and a mechanic returning to a car sees its ongoing cases and invoices in one place instead of re-entering the vehicle.

Every diagnostic in WrenchLane starts with the car. You pick the vehicle on Start, and the vehicle page shows a set of action cards. The Diagnostic card opens the diagnostic form for that exact car.

The same card also lists ongoing diagnostics for the car and links to its latest invoice, so when the car comes back you pick up where you left off instead of entering it again.

How to

  1. Open Start
  2. Select your vehicle by plate, VIN or model, or click a car in History
  3. On the vehicle page click the Diagnostic card ('Get AI-powered diagnostic analysis')
  4. In the card menu choose New diagnostic, or open earlier work: View ongoing diagnostic, View diagnostic, View ongoing repair, View invoice or See more

Good to know

  • You need to be signed in and have a vehicle selected before you can open a diagnostic.
  • On the Free plan, history shows your last 5 ongoing diagnostics. Full history is available on paid plans.
What is WrenchLane?

WrenchLane is an AI diagnostic and repair assistant for car workshops. You choose the car, describe the problem or enter the fault codes, and get possible causes ranked for that exact vehicle, with checks to run, a repair guide and invoice text. It works in the browser and in the WrenchLane apps for iPhone, iPad and Android.

Learn more: Diagnostic (vehicle-first start), Possible causes ranked by probability and severity, WrenchLane app for iPhone, iPad and Android

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How do I run a diagnosis?

Select the vehicle on Start, click the Diagnostic card and choose New diagnostic. Fill in the description, the error codes and the mileage, then click Analyze.

Learn more: Diagnostic (vehicle-first start), Diagnostic form: description, error codes and mileage

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Start on the Free plan with no card, and upgrade when your workshop needs more.

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