Engine Control Module: Service and Repair

REMOVAL
1. Disconnect the negative battery cable.

ECM:

2. Disconnect the ECM harness connectors.
3. Grasp ECM and pull down firmly to release ECM from the retaining bracket tensioning springs.

INSTALLATION

NOTE: THE ECM MUST BE PROGRAMMED TO SUPPORT THE VEHICLE OPTIONS PACKAGE.

1. Position the ECM into the guide of the retaining bracket.
2. Carefully push the ECM in to the bracket until the bracket tensioning springs engage.
3. Connect the ECM wiring harness connectors.
4. Connect negative battery cable.