GM Service Manual Online
For 1990-2009 cars only

Electronic Suspension Control Module Replacement

If the electronic suspension control module (ESC) is replaced, the following procedures must be performed:

    • ESC Reprogramming--Refer to Service Programming System (SPS) .
    • Revise the trim set calibration using the Scan Tool calibration function.

Air Spring Module Replacement

If the air spring control module is replaced, the following procedures must be performed:

Air spring module Reprogramming--Refer to Suspension Position Calibration .