The Windows COM port latency is often set too high (default is usually 16ms), causing the software to "time out" before the car responds.
Your software must be "looking" at the same port your cable is plugged into. DIS - Fault 200 159 - Bimmerforums - The Ultimate BMW Forum inpa error 159
A mismatch between the COM port assigned in Windows Device Manager and the OBD.ini file. The Windows COM port latency is often set
Ensure the is set to COM1 (unless your OBD.ini specifies otherwise). 2. Verify OBD.ini and Ediabas.ini Configuration inpa error 159
Whether you are using a standard K+DCAN cable or an advanced interface like VXDIAG, resolving this error usually requires checking hardware connections, driver settings, and software configuration. Common Causes of Error 159