FREE · NO SIGNUP
Free car tools
Quick vehicle tools powered by official US government data. Decode a VIN, check for recalls, or look up a trouble code — then let RevAI diagnose whatever you find.
01
VIN decoder
Decode any 17-character VIN into year, make, model, trim, engine, drivetrain and where it was built.
NHTSA vPICOpen →02Recall checker
See open NHTSA safety recalls for your vehicle — repaired free at the dealer. Enter year, make and model.
NHTSA recallsOpen →03OBD code lookup
Look up any check-engine trouble code: what it means, the most likely causes, and the common fixes.
OBD-II libraryOpen →04OBD live scanner
Plug in a BLE adapter and read your car’s trouble codes and live sensor data right in the browser — no app needed. Then diagnose what you find.
Web BluetoothOpen →Found a problem?
Get a diagnosis specific to your exact year, make, model and engine — grounded in real recall and complaint data.
15M+recall & complaint records
100%official US government data
$0free, no account needed