Inpa Error 159 [best] May 2026

Ensure the is set to COM1 (unless your OBD.ini specifies otherwise). 2. Verify OBD.ini and Ediabas.ini Configuration

Your diagnostic cable (K+DCAN, ICOM, or VXDIAG) is not properly seated or recognized by Windows. inpa error 159

(formally identified as EDIABAS Fehler 159, NET-0009: TIMEOUT ) is a communication failure that occurs when the BMW diagnostic software fails to receive a response from the interface or control unit within the allocated timeframe. This error typically signals that the physical connection is broken, the network configuration is incorrect, or the diagnostic head is not properly initialized. Primary Causes of Error 159 Ensure the is set to COM1 (unless your OBD

BMW diagnostic interfaces use FTDI or CH340 chipsets. Windows default USB polling rates are too slow (16ms). When INPA requests a multi-frame response (e.g., reading 20 fault codes), the buffer overflows. The API job is canceled because the result is incomplete. Windows default USB polling rates are too slow (16ms)