LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2006 >> Ion Red Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction (2 Of 2) >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

NOTE: Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables or when charging the vehicles battery.
  1. Use the retaining tab to secure the PCM, when installing the PCM to the underhood junction block bracket.
    Fig 1: View Of PCM
    GM1381712Courtesy of GENERAL MOTORS CORP.
  2. Connect the PCM harness connectors to the PCM.
  3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  4. Program the PCM. Refer to Control Module References in Computer/Integrating Systems.