GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 SSR 🢒 General Information 🢒 General Information 🢒 Powertrain Control Module Replacement

Removal Procedure

    Important: It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100%. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5000 km (3,000 mi) from the last engine oil change.

  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
  2. Disconnect negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  3. Open the hood
  4. Reposition powertrain control module (PCM) water boot aside.
  5. Remove PCM from bracket.
  6. Disconnect electrical from PCM and remove PCM.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.

  1. Install electrical connections to PCM.

    2. Tighten
    Tighten bolts to 10 N·m (89 lb in).

  2. Install the PCM to the bracket.
  3. Position PCM water boot back into place.
  4. Close the hood.
  5. Connect negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  6. If the PCM was replaced, the replacement PCM must be programmed. Refer to Service Programming System (SPS) in Programming.