Empowering drivers with knowledge and AI-powered diagnostics
Making vehicle diagnostics accessible to everyone
Check Engine Light Explained was created with a simple mission: to help drivers understand what's happening when their check engine light comes on. We believe that everyone deserves access to clear, accurate information about their vehicle's health.
Too often, drivers feel confused and anxious when they see that dreaded warning light. Is it serious? Can I keep driving? Do I need to rush to the mechanic? We're here to answer those questions with comprehensive, easy-to-understand information about OBD-II diagnostic codes for every car make and model.
Our platform combines educational resources with cutting-edge AI technology through TrunkMonkey AI, delivering instant, accurate diagnostics right to your smartphone.
The ultimate diagnostic tool for modern drivers
TrunkMonkey AI uses advanced machine learning algorithms trained on millions of diagnostic cases to provide accurate, vehicle-specific analysis of your check engine codes.
Get answers in seconds, not hours. Simply scan your code or enter it manually, and TrunkMonkey AI tells you exactly what's wrong and what to do next.
Every diagnosis is backed by ASE-certified technician expertise and continuously updated with the latest automotive repair data.
Comprehensive resources for every driver
Detailed explanations of diagnostic codes for all major car makes and models, written in plain language anyone can understand.
Search by make, model, and code to find specific information about your vehicle's diagnostic trouble codes (DTCs).
Learn which repairs you can handle yourself and when you should seek professional help, saving you time and money.
Get approximate repair costs for common issues so you know what to expect before visiting the mechanic.
Stay informed with our blog covering automotive news, maintenance tips, and common car problems.
Access TrunkMonkey AI for instant, AI-powered diagnosis with personalized recommendations for your specific vehicle.
Built by automotive professionals for everyday drivers
Our content is created and reviewed by ASE-certified technicians with decades of combined experience in automotive diagnostics and repair.
We continuously update our database with the latest OBD-II codes, manufacturer bulletins, and repair procedures.
We're not affiliated with any repair shop or parts supplier. Our only goal is to provide accurate, helpful information.
Our educational content is always free. We believe everyone should have access to basic automotive knowledge.
Stop guessing. Get AI-powered diagnostics in seconds. TrunkMonkey analyzes your check engine light and tells you exactly what's wrong and what to do next.
Get answers in seconds, not hours at the mechanic
Works with every car from 1996 to present
Know before you go to the mechanic
