Inpa Error 159 ((hot))

A software-controlled internal relay that automatically toggles the bridge between pins 7 and 8 based on the detected VIN or vehicle chassis. This would eliminate the need for manual physical switches or soldering 2. "Virtual Port" Latency Optimizer

Open a command prompt as administrator. Navigate to: inpa error 159

Find the dropdown menu and change it from 16 to 1 . Click OK to save and exit. Step 2: Match the COM Port in Device Manager and OBD.ini Navigate to: Find the dropdown menu and change

The Ediabas suite needs to know exactly which COM port to look at. Navigate to C:\EDIABAS\BIN\ and look for obd.ini . Open it with Notepad. The very first line should say . Navigate to C:\EDIABAS\BIN\ and look for obd

This specific error typically displays as ERROR_ECU_BUSY_REPEAT_REQUEST or IFH-0009: No response from controlunit . It triggers when the INPA software sends a request over the data bus, but the target module fails to reply within the strictly allowed millisecond timeframe.

The (often appearing as Fault 200.159 in older DIS environments) is a high-level communication error between your computer and the vehicle's diagnostic interface. It most commonly indicates that the software has failed to initialize the API or cannot detect a valid battery/ignition signal. 🛠️ Root Causes

Do not add spaces after the COM port number.