| Symptom | Likely Cause | Fix | | :--- | :--- | :--- | | Error appears immediately after clicking battery | COM port mismatch | Change USB to COM1 | | Error appears after 5-10 seconds | Latency too high | Set latency to 1ms | | Error on E46 only (cable works on other cars) | Pin 7-8 bridge missing | Flip cable switch to "0" or bridge manually | | Error on all cars | Bad FTDI driver | Reinstall FTDI driver v2.8.30 | | Error after working for 10 minutes | USB selective suspend | Disable power saving on USB hubs | | Error when reading ABS or Airbag only | Faulty ABS/Airbag module | Unplug the module and retest |
This fixes the “No response” variant of Error 159. inpa error 159
“I have a 2004 BMW 330i (E46). INPA connects to battery and ignition, but when I pick ‘E46’ then ‘Engine’ → ‘MS43’, I get Error 159.” | Symptom | Likely Cause | Fix |
Some vehicles, especially E90/E92 LCI models, require specific K-Line or D-CAN speeds to be set manually. BMW INPA (formally IFH-0009: No Response From Control
BMW INPA (formally IFH-0009: No Response From Control Unit ) is a common communication breakdown between the diagnostic software and the vehicle's electronic control units (ECUs).
A: Rarely. 95% of the time it is a cable or driver issue. Only consider a dead DME if you have tried three different cables and two different laptops, and you have confirmed 12v on Pin 16 and continuity on Pin 7.
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