Enter any OBD-II trouble code and get an honest, plain-English diagnosis — probable causes, repair costs, DIY difficulty, and labor hours.
Your catalytic converter isn't cleaning exhaust as well as it should. Safe short-term, but worsens over time.
Every tool in AiTOMOTIVE, one tap away.
Health score, codes, services — your full cockpit.
Save your fleet with photos, VIN, and live health score.
AI-powered OBD-II analysis tailored to your car.
Audit any mechanic estimate and stop overpaying.
Pair an OBD-II adapter and read live data.
Log every oil change, brake job, and service.
Decode any 17-character VIN in seconds.
Every diagnosis, searchable and ready to revisit.
Three steps between a check-engine light and a confident decision.
Pull the OBD-II code from any $20 scanner or your dashboard app — P0420, P0301, U0100, anything.
Our model decodes the fault, ranks likely causes by probability, and tailors it to your vehicle.
See realistic parts and labor estimates so you can DIY, get a fair quote, or call the bluff.
Mechanics charge $120–$200 per hour just to tell you what's wrong. AiTOMOTIVE gives you that conversation before you hand over your keys — so you know whether $1,200 for a "fix" is reasonable or robbery.