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OBDII Diagnostic Scan Tool & Code Reader(Cannot support 32-bit cell phones)
By Hafiz Rahman
Editor, tools and utilities
TopScan is a car diagnostic app that works over Bluetooth with the TopScan OBDII scan tool from TopDon. The phone becomes the screen and controls for the tool, which plugs into the vehicle. The listing describes it as a portable auto scanner for technicians.
The listing says it covers vehicles from more than 40 brands. Because the app depends on the TopScan hardware, the tool is needed for any of the functions below.
The app provides full OBDII functionality, which is the standard interface for reading a car's diagnostic data. It also runs a full system diagnosis, checking the vehicle's systems as a whole rather than one at a time.
Results can be turned into automatic diagnostic reports. The listing does not describe the report format, so the reports are best understood as a written record of what the scan found.
Bi-directional controls let the app send commands to the vehicle and not only read data back. A technician can use this to test individual components while watching how they respond.
AutoVIN is the listing's name for the automatic vehicle identification feature. It reads the vehicle's identity from the car so that the correct vehicle information is used for the scan.
Alongside diagnosis, the listing counts eight maintenance service functions in the app. These sit next to the scanning tools, so one phone and one scan tool cover both fault finding and routine service work.
The build we hold is TopScan 6.40.100 (APKS split bundle) for Android 7.0 and up.
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