gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Recall - ECM/TCM Update For EGR Cooler Performance|Page 2761 > < Recall - ECM/TCM Update For EGR Cooler Performance|Page 2759
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Engine Control Module: Locations

Front of Vehicle/Engine Compartment Component Views

Engine Compartment

1 - Vacuum Pump (6.6L)
2 - Battery
3 - Transmission Control Module (TCM) 
4 - Blower Motor Resistor
5 - Blower Motor
6 - Brake Fluid Level Switch (Heavy Duty)
7 - Engine Control Module (ECM)
8 - Fuse Block - Underhood

Recall - ECM/TCM Update For EGR Cooler Performance|Page 2761 > < Recall - ECM/TCM Update For EGR Cooler Performance|Page 2759