Inpa Error 159 'link' Jun 2026

For BMW DIY enthusiasts and technicians, setting up and using INPA software is a rite of passage. However, few things are as frustrating as interrupting your diagnostics session with a cryptic error code. One of the most common issues encountered is , which is almost always accompanied by the message "IFH-0009: No Response from controlunit."

+-----------------------------------------------------------------------+ | INPA / EDIABAS ERROR | +-----------------------------------------------------------------------+ | Error Code: 159 | | Technical Name: NET-0009: TIMEOUT | | Symptom: Communication drop-off or total connection failure. | +-----------------------------------------------------------------------+ inpa error 159

Older BMWs (pre-2007) require K-Line communication, which utilizes both Pin 7 and Pin 8 on the OBD port. Newer models (March 2007 onwards) use D-CAN, where Pin 8 is disconnected or serves a different purpose. Using the wrong pin configuration causes Error 159. For BMW DIY enthusiasts and technicians, setting up

Go to your C:\EC-APPS\INPA\SGDAT folder. Look for the chassis you’re trying to diagnose: Go to your C:\EC-APPS\INPA\SGDAT folder

The COM port assigned to your cable in Windows Device Manager does not match the INPA configuration files ( obd.ini ).