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.
2010 Chevrolet Colorado 4WD V8-5.3LFACTORY OEM SERVICE PROCEDURE
Engine Control Module: Locations
Front of Vehicle/Engine Compartment Component Views
Engine Compartment Components
1 - Engine Control Module (ECM)
2 - Transmission Control Module (TCM)
3 - Windshield Wiper Motor
4 - Windshield Wiper Motor Connector
5 - Electronic Brake Control Module (EBCM)
6 - Battery
7 - Fuse Block - Underhood
8 - A/C Refrigerant Pressure Sensor
9 - Mass Air Flow (MAF) and Intake Air Temperature (IAT) Sensor
10 - Engine Control Module (ECM) X3
11 - Windshield Washer Fluid Pump
12 - Engine Control Module (ECM) X2
13 - Engine Control Module (ECM) X1
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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