PCM programming update 12613186
Exactly how?
Car is running perfectly - do not want to change it.
Someone on the forum said it added a stopwatch.
That's the extent of what I know.
Anybody have any insight on this?
Exactly how?
Car is running perfectly - do not want to change it.
Someone on the forum said it added a stopwatch.
That's the extent of what I know.
Anybody have any insight on this?
There has been a PI (preliminary
information) released into the GM service information system. PIC4188A
dated Sept 11, 2006. New software for the ECM has been released and if the
dealership has updated the Tech2 the latest software should be loaded and
will correct it. This is one of several corrections that we have been
working on. It addresses the situation when a vehicle is lost between the
battery shut down and the fuel evaporative check. This has been known to
correct several cars with the DBS. It is important that everything in the
check sheet be reviewed as they have been found as the major causes of dead
batteries.













