| Symptom | Solution | |---------|----------| | VCI not pairing | Reboot VCI (press reset hole). Delete Bluetooth pairing → re-pair. | | Cannot read VIN | Check OBD-II pins 6/14 (CAN). Use 9-pin adapter for older vehicles (BMW 20-pin, etc.). | | Special function greyed out | Subscription expired or vehicle not supported. Update software. | | Tablet freezes | Force restart: Hold Power + Volume Down 10 sec. | | No live data | Engine running? Select correct ECU. Try high-speed CAN mode. |
The XDiag Pro 3 is compatible with a wide range of vehicle makes and models, including: x diag pro3