GM Service Manual Online
For 1990-2009 cars only

Air Suspension Control Module Replacement/Reprogramming

If the air suspension control module (ASCM) is replaced or needs to be reprogrammed, the following procedures must be performed:

    • ASCM programming--Refer to Service Programming System (SPS) .
    • Revise the suspension calibrations using the scan tool Special Functions. Refer to Suspension Position Calibration