Read fault codes
See stored and pending OBD2 codes, with plain-language explanations of what each one monitors.
AI4Car / Scanner
Scan your car. Understand what the data says.
Read OBD2 fault codes and supported live data with the AI4Car Android app. Keep each scan tied to the vehicle it came from.
AndroidBluetoothWi-FiOBD2 compatible
Example scanVehicle data, in context
OBD2Stored fault code
P0420
Catalyst system efficiency
Coolant
89°C
Engine load
24%
Engine speed
1,280rpm
Live data snapshot
SampleScan details stay with the selected vehicle
One scan, more context
Useful information, connected to your car
A code is a starting point. Vehicle details, scan history, and supported data help you ask better questions about what to check next.
Follow live data
Check supported values such as engine speed, coolant temperature, load, and fuel-system readings.
Keep the context
Use scan results and vehicle details together when you look into a fault or ask the AI assistant.
Build a scan history
Keep diagnostic sessions with the vehicle that produced them, so useful details are easy to find later.
Three simple steps
From adapter to a clearer picture
01
Connect an adapter
Plug a compatible OBD2 Bluetooth or Wi-Fi adapter into the vehicle’s diagnostic port.
02
Choose your vehicle
Open the Android app, pair the adapter, and select the vehicle for the scan.
03
Scan and explore
Read codes first, then review freeze-frame information and supported live data.
Bluetooth adaptersWi-Fi adaptersOBD2-compatible vehicles
Start with your vehicle
Make the next scan more useful.
Get the app, connect a compatible adapter, and keep your diagnostic information together.