AD800BT - Communication Error Troubleshooting

AD800BT - Communication Error Troubleshooting

Error description:

The device prompts "Failed to get VCI information", "Get boxinfo failure", or "communication error" when scanning a vehicle

Possible cause: 

1. VCI mulfunction 

2. The firmeware of the VCI is not the latest version

3. The vehicle's OBD2 diagnostic connector mulfunction

Troubleshooting: 

1. Check both the vehicle's OBD socket and the VCI, see if there are any pins bend or rust, this will cause communication error.

2. Test the device on other vehicles, especially the EOBD/OBD II, see if it communicates normally. A mulfunction VCI won't communicate with any cars.

3. Connect the VCI to a vehicle, enter the device's Settings menu > Firmware Fix to update the firmware, see if it completes the update. If it fails to update and doesn't communicate with cars, the VCI is faulty.

4. Please collect a complete video of the firmware fix and the errors when diagnosing, this will be a proof when applying for after-sales service.

Video references:



Guidance: 

If the VCI communcation error persists after troubelshooting, it can be confirmed that the VCI is faulty, you're advised to contact support@topdon.com or the device seller to send the device's proof of purchase and troubelshooting video, we will confirm the device warranty and get you after-sales service. 
    • Related Articles

    • Phoenix series - Error Messages Troubelshoot

      Overview: This article lists common error messages on Phoenix scanners and provide guidance on how to do relevant troubelshoot by yourselves. If this article doesn't answer your questions, please contact support@topdon.com. 1. The device failed to ...
    • T-ninja1000 - Troubleshoot

      1. "ECU communication failure" Please log in PC suit, connect T-ninja1000 to the pc to perform firmware fix, and then test again. If the device still can't communicate after executing the firmware repair, please check the vehicle OBD diagnostic seat ...
    • AD800BT - FAQ

      1. What should I do if AD800BT cannot be turned on after a long period of non-use? The device battery may have undergone deep discharge, causing it to enter a low-power protection state. In this case, the battery's self-protection mechanism needs to ...
    • Battery Testers - FAQ

      1. How can I find the app for BT Master? Dear user, please download BatteryLab app to pair your device and perform battery test. 2. Where can I purchase print papre for BT600/BT300P? Dear user, please contact the device seller to purhcase the print ...
    • Phoenix series basic operations

      1. How to upload diagnostic log on the scanner? Backgroud: When there is error/abnormal message pops up when performing diagnostic function, you are advised to upload the log, and then send your problem description and device SN to ...