As of my latest knowledge, does not refer to a widely recognized public software or model (unlike, for example, the X-Decoder from Microsoft research for vision-language tasks). It's possible you are referring to:
XDecoder 10.3 DTC Fault Code Removal Software Instant Download xdecoder 10.5
xDecoder 10.5 is a specialized automotive software tool primarily used for ECU tuning and DTC (Diagnostic Trouble Code) removal XDecoder 10
No model is perfect. xDecodeR 10.5 users have noted three recurring issues: If you share where you saw “xdecoder 10
pip install xdecoder>=10.5
Open the software and select your specific vehicle brand and ECU type from the left-hand panel. Identify and Remove DTCs: Drag and drop the binary file into the application.