Stop guessing. Start diagnosing.

WrenchLane analyzes vehicle symptoms and fault codes together to deliver ranked probable causes with structured repair guidance. Fix the right thing the first time, every time.AI-powered diagnostics and decision support for professional workshops.

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Join 300+ independent workshops already using WrenchLane.

Forward-thinking mechanics are switching to AI-assisted diagnostics to work faster, solve problems smarter, and stay competitive.

Be part of the future of automotive repair.

Why workshops switch to WrenchLane

Built for workshops that want faster diagnostics, guided repairs, fewer comebacks — and better margins.

Faster diagnosis

42%

Fewer comebacks

20%

Increased revenue

Bar chart showing diagnostic time reduced by 60%, from 45 minutes in traditional workflow to 18 minutes with WrenchLane.

How WrenchLane works

A simple workflow that fits how workshops already diagnose cars.

Enter multiple fault codes or describe the problem

Add DTC codes, symptoms, or a short description of the issue — just like you would explain it to a colleague.

Get a clear diagnostic
direction to follow

WrenchLane analyzes fault codes together with symptoms and real repair data to surface the most likely root cause.

Fix it right the first time with OEM guidelines

Follow a structured diagnostic path instead of guessing, reducing misdiagnoses and unnecessary part replacements.

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Features

A brief overview of the functionality

WrenchLane connects the dots between fault codes, symptoms, and real repair outcomes. Other tools show you a list. We show you the path.

What mechanics say

Hear from shops using WrenchLane

"Really good for diagnostics and troubleshooting – recommended for all automotive workshops. WrenchLane provides fast, clear guidance and helps us move forward immediately when we get stuck. An extra plus is that everything is gathered in one place: fault codes, concrete troubleshooting steps, and relevant TSBs. It has already saved us both time and unnecessary parts replacements."

Anton

Mekonomen Södermalm, Stockholm Sweden

"We primarily use WrenchLane to troubleshoot complex diagnostics where there are multiple fault codes and an unknown root cause. It’s an effective way to validate different scenarios and significantly reduce troubleshooting time."

Kamil

Bilverkstad i Nacka AB , Stockholm Sweden

"Used it to understand fault codes on my Audi. I also got instructions on how to continue troubleshooting, along with the part number of the component that was most likely faulty. I ordered the sensor it suggested and replaced it, and now the fault codes are gone."

Anders Levin

Levin Racing, Kungsör Sweden

Pricing

Start for free

Start free. No credit card required. Start small and upgrade as you grow. No contracts. No hidden costs.

Free plan

For independent mechanics with limited diagnosis sessions.

Includes

3 diagnosis + 1 extra per week

Fault code intelligence

Repair guidance and context

Diagnostic history tracking

Email support

Free plan

$79 / m

For independent workshops and small teams.

Includes

All starter features included

40 diagnostic sessions per month

OEM Repair guidance and context*

Advanced repair insights

Priority support

*US has full coverage. Other market conditions vary.

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Custom

For larger workshops, franchises, or multi-location teams.

Everything included

All features included

Unlimited diagnostic sessions

Import your own data