Topdon ONE series (ONE, ONE Lite and ONE Plus) diagnostic scanners come with a J2534 VCI which can be used as J2534 passthru for OEM programming.
These VCIs are the same, only differ in color.
ONE VCI: color gray
ONE Lite VCI: color green
ONE Plus VCI: color blue

ONE VCI supports the J2534 protocol and can be used with the RLink Platform to download corresponding OE drivers. When paired with OE software, it enables OEM Programming.
The J2534-compatible OE brands supported by ONE VCI are as follows:
GM, CHRYSLER, FORD, HONDA, HYUNDAI, KIA, LANDROVER, MAZDA, MITSUBISHI, NISSAN, SUBARU, TOYOTA, VOLVO, VW.
NOTE:
Topdon does not provide OE software. OE software must be obtained by the customer themselves.
When ONE VCI is used with OE software, it does NOT support J2534 DOIP diagnostics and programming for the following brands:
VOLVO, GM, BENZ, BMW, VW, NISSAN, JLR, etc.
When selecting the VCI adapter in the OE software, only the “TOPDON – RLink” mode should be selected (the RLink Platform operation guide has already instructed customers to select RLink).
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