Hot...Stop Engine-11
WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
The DIC displays the HOT...STOP ENGINE-11 message when the PCM determines that there is a problem with the cooling system. The DIC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.