How do I fix a Fixit app that will not finish scanning a vehicle?
Answer
A Fixit scan that never finishes is usually an OBD adapter connection or Bluetooth/Wi‑Fi pairing problem, not a failed car computer. Confirm the adapter has power with the ignition on, reconnect it in the phone’s Bluetooth or Wi‑Fi list, then restart the Fixit app and retry the scan.
Before you start: stop right away if…
- Do not leave the ignition On for long periods while troubleshooting—watch the battery voltage.
- Avoid random APK sites that claim to unlock Fixit scans for a fee.
Follow these steps
Power the adapter with ignition On
Plug the OBD adapter firmly into the vehicle’s OBD-II port. Turn the ignition to On/Run (engine can be off unless the app asks otherwise) and confirm the adapter’s light is on.
You should see: The adapter shows power and Fixit can attempt a live connection instead of a dead sensor.
Forget and re-pair the sensor on the phone
In Android Settings > Connected devices (or Bluetooth / Wi‑Fi), forget the OBD adapter, then pair it again. For Wi‑Fi adapters, join the adapter’s network only while scanning if that is how your model works.
You should see: The phone shows the adapter as connected or available without an old stale pairing.
Force-stop and reopen Fixit
Close Fixit completely from the recent apps list, optionally clear its cache under Settings > Apps > Fixit > Storage, then reopen the app and choose the same vehicle/adapter profile.
You should see: Fixit launches fresh and prompts to connect to the sensor again.
Start a new scan and wait for live data
In Fixit, select Connect or Scan and wait for live PIDs or a code list. If it only shows “Sensor is Plugged In” without progressing, unplug the adapter for 10 seconds, reseat it, and retry once.
You should see: The spinner stops and you see readiness monitors, trouble codes, or a clear “no codes” result.
Rule out adapter or port issues
If another OBD app on the same phone also fails, try the adapter in a second vehicle or try a different known-good adapter. A port with bent pins or a dead adapter will keep every scan spinning.
You should see: You can tell whether the fault is the app, the adapter, or the vehicle port.
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Extra tips
What to look for: Whether Fixit shows “Sensor is Plugged In,” a continuous spinner with no codes, Bluetooth/Wi‑Fi pairing status for the OBD adapter, and whether the vehicle ignition is in On/Run.
Before you change anything: Park safely with the parking brake on before working under the dash. Note your OBD adapter brand (Bluetooth or Wi‑Fi) and the Fixit app name on screen. Close other apps that might hold the OBD Bluetooth connection. Do not enter payment details on unofficial “unlock scan” pages.