Engine Control Module (ECM) Replacement: Notes
WARNING: This page is about a different car, the 2004 Saturn Ion 3, 2004 Saturn Ion 2, and 2004 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
In order to prevent any possible electrostatic discharge damage to the ECM, do not touch the connector pins or the soldered components on the circuit board.
NOTE:
Always turn the ignition off when installing or removing the ECM connectors in order to prevent damage to the components.