ECM Replacement
If the engine control module (ECM) needs to be replaced, the following procedures must be performed:
- Connect a scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS) .
- Before removing the old control module, perform the SPS function Prepare Control Module for Removal.NOTE:
The Prepare Control Module for Removal function can only be performed when communication with the old control module is still possible.
- Replace the ECM.
- Perform the SPS function Engine Control Module - Programming and follow the on-screen instructions.
- 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.
- Perform the SPS Function Immobilizer Learn. Refer to Immobilizer System Component Programming .
- Clear DTCs after completing the programming procedure.
- Start and idle engine.
- Using a scan tool, perform the Diesel Particulate Filter (DPF) Service Regeneration
- If the SPS function Prepare Control Module for Removal could 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.