Quote Originally Posted by makura View Post
OK that explains it,when you have a foot print there are no parameters to copy.everything goes to 0 even your trip wil be reset just the same as an ecm in rom boot.
That depends on what process was happening when the footprint occured, I have seen footprinted ECM that have all info available for restoring.
A footprint occures when the ECM looses communication with the laptop/vehicle module during a write to the ECM, such Insite as erasing faults, changing parameters or a vehicle module restoring a parameter. Loss of communication can be caused by turning the key off, PC going into a power save setting, disconnecting a cable among other things.
A footprint can also be caused by not waiting the correct length of time during the key off phase of restting faults and changing parameters and by turning the unswitched power off too soon after key off.