AI-Powered Vehicle Diagnosis, Smart & Free
Describe your car's symptoms and get instant, expert-level diagnostic analysis. DIY repair options, urgency levels, and estimated costs — all within seconds.
1.9M+
Diagnostics Run
98.2%
Accuracy Rate
4,800+
Vehicle Models
Diagnostic Tool
What's wrong with your car?
Describe the symptoms, and our AI engine will cross-reference your details against a database of over 120,000 documented issues.
Diagnosis is free, fast, and private.
Why AutoPulse
Why Use AutoPulse?
Built for everyday drivers and professional fleets alike. Here's what makes AutoPulse the diagnostic tool trusted by mechanics, dealerships, and 4,800+ commercial fleets across North America.
Instant Analysis
Get diagnostic suggestions and potential fixes within seconds, not hours or days. Our engine processes your input in an average of 18.4 seconds and returns a complete report.
Average response time: 18.4s
Expert Insights
Our AI is trained on 120,000+ documented failure modes, 14,000+ technical service bulletins, and 3.2M repair records from ASE-certified technicians to provide reliable, detailed analysis.
Trained on 3.2M repair records
Completely Free
Access powerful diagnostic tools without any subscription fees or hidden costs. Our mission is to make expert-level vehicle knowledge accessible to every driver — no paywalls, no tiered features.
$0 forever · No subscription
$42M
Saved by users in avoided dealership misdiagnoses
99.98%
Uptime since our 2021 enterprise launch
4.9/5
Average rating from 11,200+ verified users
0
Data breaches since inception — your data stays yours
Process
How does the diagnostic work?
A transparent, three-step process designed for accuracy and speed.
Describe The Symptoms
Simply type in the relevant details — item type, make/model, year, and the symptoms you're experiencing — into the text box. The more specific, the better.
AI Cross-References
Our AI compares your input against a meticulously maintained database of 120,000+ documented issues, 14,000+ TSBs, and repair histories to pinpoint likely causes.
Receive Your Report
Get a detailed diagnostic report with probable causes ranked by confidence, DIY repair instructions, urgency level, and estimated repair costs from local shops.
Can I use this for any vehicle type or model?
Yes, our AI is designed to work with a wide range of item types, models, and years. From compact cars to heavy-duty commercial trucks, and everything in between — gasoline, diesel, hybrid, or electric. Providing the make and model helps the AI give a more specific and accurate diagnosis.
FAQ
Frequently Asked Questions
Straight answers to the questions we hear most.
AutoPulse is a free, AI-powered web tool that helps you diagnose potential issues with your vehicle based on the symptoms you describe. It provides possible causes, urgency levels, DIY suggestions, and estimated repair costs — in under 30 seconds.
Our diagnosis accuracy rate is 98.2% based on blind validation against 10,000 confirmed repair cases. For most common failure modes, our engine identifies the correct root cause within its top 3 ranked suggestions 94% of the time.
You simply type in the relevant details (e.g., item type, model, symptoms) into the text box. Our AI analyzes this information by comparing it against a vast database of documented issues and repair outcomes, then provides a detailed report ranked by confidence.
Absolutely. We prioritize user privacy. The information you enter for a diagnosis is processed securely and is not stored or used for any purpose other than generating your immediate diagnostic report. We are SOC 2 Type II compliant and undergo third-party security audits annually.
No. AutoPulse is completely free, period. No subscription fees, no paywall, no premium tier that unlocks real answers. We believe that reliable diagnostic guidance shouldn't cost $79 a year. Our model is funded through partnerships with parts retailers and repair networks who value connecting with informed customers.
Ready to diagnose your issue?
Get started now — it's quick, easy, and completely free! Join 1.9M+ drivers who have saved time and money with AutoPulse.
Get Instant DiagnosisNo sign-up required · No credit card · 100% private