GM Service Manual Online
For 1990-2009 cars only

ESC Module Programming

When the electronic suspension control (ESC) module is replaced, it must be programmed. Refer to Service Programming System (SPS) .

After programming, the ESC module must have the trimset procedure performed.

To perform the trimset procedure, the vehicle must be sitting at trim height on a level surface. Proceed with the trimset procedure following the onscreen instructions in the special functions menu.