System Reaction To Fault
WARNING: This page is about a different car, the 2002 Saab 9-5 and 2001 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.
Throttle control goes into limp-home mode. The limp-home solenoid will be activated 5 times in succession each time the ignition is turned on until the fault has been rectified and the trouble codes cleared.