freightliner Workshop Repair Guides

Freightliner Workshop Service and Repair Manuals

Engine Control Module|Removal|Page 807 > < PCM/ECM Reprogramming|Page 804
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Engine Control Module: Service and Repair
Removal

REMOVAL

NOTE: If a replacement (new) ECM is installed, a scan tool must be used to program (flash) the new ECM with vehicle specific information.

1. Disconnect the negative battery cable.
2. Disconnect the ECM harness connectors.
3. Grasp ECM and pull up firmly to release ECM from the retaining bracket.

Engine Control Module|Removal|Page 807 > < PCM/ECM Reprogramming|Page 804