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Home >> GMC >> 2012 >> Sierra 1500 2WD V8-4.8L >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Locations >> Component Locations >> Engine Control Module (ECM)
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Engine Control Module (ECM)




Front of Vehicle/Engine Compartment Component Views

Left Rear of the Engine Compartment Components (except HP2)




1 - Windshield Wiper Motor
2 - Fuse Block - Underhood
3 - Engine Control Module (ECM)
4 - Transmission Control Module (TCM) (M30 or MW7)
5 - Brake Booster Vacuum Sensor (JL4 with 10 Series)/Brake Master Cylinder Pressure Sensor (JL1)
6 - Brake Fluid Level Switch