Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2007SILVERADO 1500 2WD V6-4.3LREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULELOCATIONS
2007 Chevrolet Silverado 1500 2WD V6-4.3L
Engine Control Module: Locations
2007 Chevrolet Silverado 1500 2WD V6-4.3LSECTION Locations
Engine Controls Component Views
Front of Engine Compartment
1 - Battery Current Sensor
2 - Mega Fuse
3 - A/C Low Pressure Switch (C67/CJ2)
4 - Fuse Block - Underhood
5 - Engine Control Module (ECM)
6 - A/C Refrigerant Pressure Sensor (C67/CJ2)
7 - Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor
8 - Battery - Right
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.