Re-flash the device using an older version of Autocom (e.g., 2011) via a direct USB line. Missing OKI multiplexer relays on cheap clone hardware.
: The external sticker on your hardware casing reads "Serial: 3555", but the software setup wizard refuses to interface with it.
When working with these multiplexers, the serial number dictates the firmware capabilities, software compatibility, and driver updates. One of the most common hardware configurations found in older "Gold" clone versions and original legacy units is . cdp bt serial number 3555 top
Connect the interface scanner to your laptop via a stable (do not perform firmware updates over Bluetooth) and hook up the OBD2 end to a live 12V vehicle port to supply steady external power. Open the software hardware settings panel. Select the correct COM port assigned to the device driver.
), while the internal firmware reports a 5-digit number (e.g., 20418). Activation Re-flash the device using an older version of Autocom (e
is finding software that recognizes the device. Forcing an old serial number onto an incompatible modern software activation file will block communication with the vehicle's OBD2 port. 1. Best Working Software Versions
Temporarily disable Windows Defender or your third-party antivirus suite before extracting your installation files. Create an exclusion rule for your Autocom installation directory so the activation files are not deleted on subsequent system reboots. When working with these multiplexers, the serial number
: A multi-brand diagnostic scanner used to read and clear Diagnostic Trouble Codes (DTCs), monitor live data, and perform system checks. Hardware Platform : The serial number is typically associated with the platform (older gold/metal casing) or certain (compact plastic casing) clones. Compatibility : Designed for use with
. The "3555" is a specific hardware serial number often found on older "CDP Pro" or "CDP+" clones. Technical Summary: Autocom CDP BT (Serial 3555) Device Type