Inpa Error 159 [better]

: Go to Ports (COM & LPT), select your cable, and ensure it is set to COM1 . Under Advanced settings, set the Latency Timer to 1 .

Slide the switch to the opposite position and try connecting to the module again. Step 4: Supply Stable Power to the Car

The error also appears in official BMW documentation as “EDIABAS Fehler 159, NET-0009: TIMEOUT — The program will be aborted”. Regardless of the exact wording, the core problem is the same: INPA cannot establish a stable communication channel with your vehicle’s diagnostic interface.

Yes, it happens. The OBD port requires 12v power on Pin 16. If your car's cigarette lighter fuse is blown (often shared on E46), the OBD port has no power. No power = No communication = Error 159. inpa error 159

Locate the DME (Engine Control Unit). On an E46/E39, it is usually located under the intake manifold or in the electronics box in the engine bay.

INPA communicates with each vehicle module using SGBD (Steuergeräte-Beschreibungsdatei) files stored in C:\EDIABAS\ECU. If these files are missing, outdated, or corrupt, EDIABAS cannot interpret responses from the vehicle, leading to timeout errors.

This information will help pinpoint exactly where the communication breakdown is happening. : Go to Ports (COM & LPT), select

After making changes, save the file and restart any open INPA instances.

Visit the official and download the latest VCP (Virtual COM Port) drivers for Windows.

For standard K+DCAN USB cables, ensure it reads exactly: Interface = STD:OBD Save the file and close it. 4. Ensure Correct Ignition Sequence Step 4: Supply Stable Power to the Car

In the EDIABAS/INPA ecosystem, Error 159 is officially defined as: or Group file bad / Checksum error .

The most frequent cause of Error 159 is an unconfigured USB serial port. INPA requires very specific communication speeds to talk to older BMW modules. Connect your K+DCAN cable to a USB port on your laptop.