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.
Control Module Cooling Fan
The Control Module Cooling Fan is used to decrease the heat that is generated by the Transmission Control Module (TCM) and the Audio Amplifier. The Control Module Cooling Fan is located inside of the front lower section of the Control Module Box. The Cooling Fan is wired to the BCM and is activated when the ignition is On. The Cooling Fan is attached to a flexible duct that runs down to the passenger foot well, and circulates air to the modules. The fan is used to cool the modules that are mounted in the passenger compartment.
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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.