Removal (Van)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 GMC C3500 HD, and 2002 Chevrolet RV Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect negative battery cables. Remove engine cover. See ENGINE COVER . Disconnect the harness connectors from the Powertrain Control Module (PCM). Remove the PCM mounting nuts. Remove the PCM from the mounting bracket.