GM Service Manual Online
For 1990-2009 cars only
  1. The IPC must be programmed after replacement. Ensure that the following conditions exist in order to prepare for IPC programming:
  2. • The battery is fully charged.
    • The ignition switch is in the RUN position.
    • The DLC is accessible.
  3. Follow the instructions on the Techline Terminal and scan tool to program the IPC.
  4. If the IPC fails to accept the program, perform the following steps:
  5. • Inspect all IPC connections.
    • Verify that the Techline Terminal and scan tool have the latest software version.