Car tools
Tools powered by official US government data. Browse trouble codes free, check recalls, decode a VIN, or plug in the live OBD reader — then let RedlineAi diagnose whatever you find.
OBD code list
Browse common check-engine trouble codes — what they mean, likely causes and common fixes. Free for everyone.
OBD-II libraryOpen →02SilverRecall checker
See open NHTSA safety recalls for your vehicle — repaired free at the dealer. Enter year, make and model.
NHTSA recallsOpen →03GoldVIN decoder
Decode any 17-character VIN into year, make, model, trim, engine, drivetrain — plus recalls and top complaints.
NHTSA vPICOpen →04GoldAdvanced code lookup
Deeper trouble-code detail and search across the full library — beyond the free common-code list.
OBD-II libraryOpen →05DiamondOBD live reader
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 with live data built in.
Web BluetoothOpen →Found a problem?
Get a diagnosis specific to your exact year, make, model and engine — grounded in real recall and complaint data.