April, 2008 IMPCO Technologies Inc. PPI-105-REV.B
3030 South Susan St.
Page 17 of 29
Santa Ana, CA 92704
www.impcotechnologies.com
If the Single S/N password entered is correct for the software but does not match the entered S/N
of the targeted ECM, the prompt in Figure 3 will be displayed.
Figure 3: Incorrect Serial Number Message
Figure 4 shows the communication status if a valid software password is entered when attempting
to connect to an ECM with a different key. In this instance the software will load but will not
connect to the target (ECM).
Figure 4: Not Authorized to Connect Message
In the event you receive this error message call your OEM support group for more information.
Connecting The PC To The Spectrum Fuel System
Connecting the DST cable