In the BMW diagnostic tool EDIABAS, typically indicates a NET-0009: TIMEOUT
Reply with your cable type and Windows version.
The Windows default USB latency is too slow for the fast data exchange INPA requires.
Opened the adapter and soldered a jumper wire between pin 17 and pin 20. Error 159 gone. inpa error 159
Trying to read a newer module with outdated INPA scripts forces the software to look for data packets that do not exist. Step-by-Step Guide to Fix INPA Error 159
INPA expects your OBD cable to be on a specific virtual COM port (usually COM1). If Windows assigns a different port, communication fails.
Comprehensive Guide to Fixing BMW INPA Error 159 (IFH-0009: No Response From Controlunit) In the BMW diagnostic tool EDIABAS, typically indicates
Make sure your vehicle battery is healthy or connected to a dedicated battery charger/maintainer. Low voltage drops communication instantly.
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."
BMW ECUs are notoriously sensitive to voltage drops. If your car’s battery drops below 12.0V during a scan, modules may stop responding in time. Error 159 gone
Your heart sinks. You check the ignition. You wiggle the USB cable. You restart the laptop. Nothing works.
: Low-quality or damaged K+DCAN cables are a frequent cause. Testing with a known working cable (such as those from BimmerGeeks ) can confirm if the hardware is at fault.