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You can reset/re-activate the memory of the HFM/SFI module with a home made led tool.

http://members.aol.com/ajdalton7/ledtool.jpg

This tool will let you get flash codes at HFM at pin #4 of the 38 pin connector. After you retrieve the codes [ write them down] , you can clear them, one at a time .
After all codes have been cleared , you will get a Single flash, verifying all stored code have been erased.
Now the trick..
After you get the single flash, turn the key OFF for 30 secs .... Key back On and get the single flash again.. wait 2 secs and hold button on tool for 6-8 secs.. turn key Off for 2 secs , On for at least 10 secs , and then start car.
The memory on the HFM module will now be reset to zero/mean...