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Q: Communication error with vehicle ECU?
A: Please confirm the following cases:
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Whether the diagnostic MDCI Lite dongle is correctly connected.
Whether the ignition switch is ON.
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Or, send your vehicle's year, make, model, and VIN data to us via the "Feedback" feature for
timely technical assistance.
Q: Failed to get access to the vehicle's ECU system?
A: Please confirm the following cases:
Whether the system is available in the vehicle.
•
•
Whether the MDCI Lite dongle is correctly connected.
•
Whether the ignition switch is ON.
Q: The MDCI Lite dongle is missing.
A: Please contact the dealer or TOPDON after-sale service for timely support.
Q: Error of the diagnostic software.
A: Please operate as follows:
Tap "Feedback" to send specific problems to us for technical support.
•
•
Tap the vehicle software icon, and hold it to uninstall the corresponding software, and then
enter the upgrade center to download and install the new version.
Q: The downloaded diagnostic software is inconsistent with the serial number.
A: Selected the wrong MDCI dongle.
Enter the "User Info" -> "Phoenix MDCI" -> select the right MDCI dongle.
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