ECM Replacement

If the engine control module (ECM) is replaced, the following procedures must be performed:

1. Connect a scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS) .
NOTE:

The Prepare Control Module for Removal function can only be performed when communication with the old control module is still possible.

2. Before removing the old control module, perform the SPS function Prepare Control Module for Removal.
3. Replace the ECM.
4. Perform the SPS function Engine Control Module Programming and follow the on-screen instructions.
5. Only for vehicles with manual transmission:
   • Perform the SPS function Engine Control Module Configuration and Setup before the SPS Function Immobilizer Learn.
   • Follow the on-screen instructions. On the screen Control Module Configuration and Setup Function(s), select both control module Configuration/Reconfiguration and the appropriate control module Setup.
6. Perform the SPS Function Immobilizer Learn. Refer to Immobilizer System Component Programming .
7. Perform the SPS function Engine Control Module Configuration and Setup and follow the on-screen instructions. On the screen Control Module Configuration and Setup Function(s), select both control module Configuration/Reconfiguration and the appropriate control module Setup.
8. Clear DTCs after completing the programming procedure.
9. Start and idle engine.
10. If the SPS function Prepare Control Module for Removal may not be performed, perform the following:

    Engine Oil Life Remaining. When available, use a scan tool to reset the Engine Oil Life back to the original percentage recorded before the module was replaced.