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.
2012 Smart ForTwo Coupe (451.331) L3-1.0L (132.910)FACTORY OEM SERVICE PROCEDURE
Power Window Control Module: Locations
GF72.29-P-6012MCC Power Window Control Unit, Component Description
- with CODE (V43) Power window
N57/2 Power window convenience feature control unit
Location
The power window convenience feature control unit is located on the left side below the instrument panel on the crossmember.
Task
The power window convenience feature control unit takes over the control of the side windows. The control unit monitors the power consumption of the connected loads and thereby recognizes lockup or the limit stop of the side window.
The following switches are read in:
^ Left power window switch (S21/1)
^ Right power window switch (S21/2)
The following loads are switched:
^ Left power window motor (M10/3)
^ Right power window motor (M10/4)
Factory Service Tools
Use the Manual With the Right Hardware
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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.