| Symptom | Likely fix | |-----------------------------|---------------------------------------------| | “No response from adapter” | Check COM port, baud rate, adapter driver | | “Unable to connect to ECU” | Verify ignition ON, OBD-II protocol support| | Garbage serial data | Set ELM327 to same baud as host (ATBRD) | | DTC clear doesn’t work | Some codes need manufacturer-specific reset|
: View live sensor data directly from the vehicle, including RPM, vehicle speed, engine coolant temperature, and oxygen sensor readings. scantool_net113win
| Feature | Description | |------------------------|-----------------------------------------------------| | Auto-connect | Scans available COM ports for ELM327 response | | Read fault codes | Displays DTCs (e.g., P0300) with descriptions | | Clear fault codes | Sends 04 OBD command | | Real-time data | RPM, coolant temp, speed, O2 sensors, etc. | | Freeze frame | Captures ECU snapshot when DTC set | | Emissions readiness | I/M monitor status (Catalyst, O2, EVAP, etc.) | | Data logging | Saves stream to .csv or .xlsx | | Graph display | Scrolling line chart for selected PID | engine coolant temperature