Instantly Diagnose Your Car Issues & Estimate Repair Costs with AI
Select your make, model, and year, then enter any OBD2 code or symptom — our AI analyzes diagnostic databases, matches existing repair guides, and returns DIY vs professional shop cost ranges in seconds.
What is ClearTheCode?
The largest online repair guide library for every car — codes, symptoms, and vehicle-specific fixes.
ClearTheCode is a repair intelligence platform for drivers and professionals. We combine a library of 283,486+ published guides, spokes, and codes with free AI diagnostics, OBD-II code lookup, and mechanic creator shops — so you can go from check-engine light to a clear next step.
Enter a trouble code like P0420 or P0171, or describe a symptom such as “rough idle when cold” or “cranks but won't start.” Our AI cross-references diagnostic databases, NHTSA data, and 7,129 expert repair guides to return likely causes, DIY vs professional shop cost ranges, and the exact fix for your year, make, and model — in seconds, free, with no account required.
- 283,486+Published articles, guides, spokes & codes
- 7,129Repair guides & articles
- 272,960Vehicle-specific spoke pages
- 3,397OBD-II codes in the catalog
Browse the repair library
Jump straight to the most-searched OBD-II trouble codes, popular vehicle makes, and system-level diagnostic hubs — every page links to symptoms, likely causes, and step-by-step fixes.
Common OBD-II codes
View all 3,397 codes →Repair guides by make
Browse vehicle-specific guides →Diagnostic system hubs
Run the free AI diagnostic →Why ClearTheCode
Evidence-backed guides
Repair content is grounded in OBD-II codes, NHTSA data, TSBs, recalls, and curated technical sources—not forum guesswork.
Every vehicle
Browse by code, symptom, make, model, and year. Thousands of published guides with more added continuously.
Creator shops
Mechanics and specialists open a shop, publish guides, build a following, and earn from views, donations, and their own merchandise.
Smart search
Find guides by title or by phrases inside the article—symptoms like “cranks but won’t start” surface the right fix.
Make forums
40+ US-market brand forums with six repair topics each—post in the right Toyota or Ford section so the right owners see your question.
How it works
Whether you drive one car or run a bay, ClearTheCode gives you a path from symptom to solution—and a way to earn when you teach others.
Create your free account
Register in minutes. Verify your email to follow shops, ask questions, comment, and check out.
Sign up freeSearch & diagnose
Use site search or browse codes and vehicles. Read guides, spokes, and shop content tailored to real-world issues.
Search the libraryOpen your shop
Publish repair guides, define your expertise, and grow a following. Earn from guide views, fan donations, and merchandise you list on your shop.
Open a shopGet paid
Monetize your audience with page views on your guides, optional donations, and products you sell directly from your shop page.
How shops earnFrequently asked questions
Everything you need to know about diagnosing codes, estimating repair costs, and publishing as a shop.
What is ClearTheCode?
ClearTheCode is a repair intelligence platform with 6,900+ published guides, a free AI diagnostic tool, OBD-II code catalog, vehicle-specific spoke pages, mechanic creator shops, and US-market make forums — helping drivers go from warning light to a clear next step.
Is the AI diagnostic tool free?
Yes. Enter your year, make, model, and any OBD2 code or symptom to get instant DIY vs professional shop cost ranges, likely causes, and links to matching repair guides — no account required.
How many repair guides does ClearTheCode have?
The library includes thousands of published articles, vehicle-specific spoke pages, and OBD-II code entries — continuously expanded from open automotive data sources and expert shop creators.
Can mechanics publish on ClearTheCode?
Yes. Open a mechanic shop to publish repair guides, define your expertise by make and system, grow followers, and earn from guide views, donations, and merchandise where enabled.
Ready to fix smarter?
Search the library now, or open a shop and turn your expertise into guides, followers, and income.
Search guidesStart your shopServices on ClearTheCode
For drivers & DIYers
For creators & shops
- Open a shop
- Publishing & payouts guide
- Followers & newsletter broadcasts
- Earn from views, donations & merchandise