The COM port assigned to your cable in Windows Device Manager does not match the INPA configuration files ( obd.ini ).
INPA Error 159 (formally identified as EDIABAS Error 159, NET-0009: TIMEOUT
If it says a different number, change it to match the COM port you set in the Device Manager (Step 1). inpa error 159
These models require a dual K-Line setup. Physical diagnostic Pins 7 and 8 inside the OBD2 connector must be electronically bridged together to communicate with both the engine and chassis modules.
Selecting the wrong chassis (e.g., choosing E36 when your car is an E46) or attempting to access a control unit that doesn’t exist in your vehicle can produce error messages that resemble or lead to Error 159. The software expects a specific communication protocol that the selected module does not support. The COM port assigned to your cable in
If you only get Error 159 on one specific module (e.g., Airbag or ABS) but can read the Engine ECU fine, that specific module may have blown a fuse or completely failed. Step-by-Step Troubleshooting Guide
In simple terms, INPA Error 159 is a between your computer, the INPA software, and the car's Electronic Control Units (ECUs). Physical diagnostic Pins 7 and 8 inside the
Expand the section. Look for USB Serial Port .