Why it helps
Gives car owners and mechanics a quick, honest starting point for a fault before buying parts, and leads into a full diagnosis in the WrenchLane app for the exact vehicle.
WrenchLane Guides is a free website at guides.wrenchlane.com with plain-language guides for common fault codes and symptoms. Each guide explains what the code means, the likely causes ranked, the diagnostic order a good shop follows and what a fair repair should cost, with an FAQ.
No account needed. When you want a diagnosis for your exact vehicle, the guide links into the WrenchLane app.
How to
- Go to guides.wrenchlane.com (Swedish: guides.wrenchlane.com/sv/)
- Click Browse guides (sv: Bläddra bland guiderna) or pick a guide under All guides (sv: Alla guider)
- Click Read guide on a card
- At the end of the guide click Try WrenchLane free (sv: Prova WrenchLane gratis) to open app.wrenchlane.com
Good to know
- The guides are general guidance, not a diagnosis of your specific vehicle.
- Guides are written by WrenchLane's diagnostic AI and pass a reviewed publishing pipeline.
- Available in 26 languages. If a translation is missing, the English text is shown with a 'not translated yet' notice.
Related questions
Is there a free fault code tool I can use without an account?
Yes. guides.wrenchlane.com has free diagnostic guides for common codes and symptoms, and a Beta checker that matches a symptom or code to up to 3 published guides. wrenchlane.com also has a page per fault code built from diagnostics run in WrenchLane.
Learn more: WrenchLane Guides (diagnostic guides), Free symptom & DTC checker, Fault code pages on wrenchlane.com (fault-code cluster)
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