AI Car Diagnostics in Your Pocket
Connect any ELM327 OBD2 adapter and turn your phone into a professional-grade scan tool — trouble codes, live data, and repair estimates you can actually understand.
Free to download · One-time unlock or subscription
Drop an ELM327 Bluetooth adapter into your car's OBD2 port, add your vehicle, and connect in seconds.
Read diagnostic trouble codes, pull freeze frame data, run O2 sensor tests, and watch live sensor readings stream in.
Plier AI explains what the codes mean, what likely needs fixing, and roughly what the repair should cost — before you call a shop.
Trouble codes turned into a real explanation — likely causes, recommended fixes, and what to check first.
Stream real-time PID data from your engine and watch it render as interactive charts you can actually read.
Read and clear DTCs, review freeze frame snapshots, run O2 sensor monitoring, and pull VIN and calibration info.
AI-backed estimates for parts and labor, so you walk into the shop already knowing what the job is worth.
Works with nearly any ELM327 Bluetooth OBD2 adapter.