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.
2007 Audi A3 Base, StandardFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS Control Module | At right rear of engine compartment. See Figure. |
| Airbag Control Module | Under front of center console. See Figure. |
| All-Wheel Drive Control Module (A) | Left front of rear axle differential. See Figure. |
| Comfort System Central Control Module (C) | Right side of luggage compartment. See Figure. |
| Coolant Fan Control (FC) Control Module (1) | Front of engine compartment. See Figure. |
| Direct Shift Gearbox (DSG) Mechatronic | On transmission housing. See Figure. |
| Door Control Module (Driver's) | Integrated in driver's door window regulator motor. See Figure. |
| Door Control Module (Front Passenger's) | Integrated in right front door window regulator motor. See Figure. |
| Door Control Module (Left/Right Rear) | Integrated in respective rear door window regulator motor. See Figure. |
| Driver's Seat Heater Control Module | Under driver's seat. See Figure. |
| Fresh Air Blower Control Module (D) | Below right side of dash. See Figure. |
| Fuel Pump (FP) Control Module | Under right side of rear seat. See Figure. |
| Garage Door Opener Control Module (1) | Under front bumper. See Figure. |
| Headlight Range Control Module | Behind right center of dash. See Figure. |
| High Intensity Gas Discharge Light Control Module (Left/Right) | Behind respective headlight assembly. See Figure. |
| Instrument Cluster Control Module | Behind instrument cluster. See Figure. |
| Left Antenna Module | Left side of luggage compartment lid. See Figure. |
| Motronic Engine Control Module (ECM) | In center of plenum chamber. See Figure. |
| Power Steering Control Module | Below steering rack. See Figure. |
| Power Sunroof Control Module | Front center of roof. See Figure. |
| Seat Occupied Recognition Control Module | On base of front passenger's seat. See Figure. |
| Selector Lever Sensor System Control Module | Left side of selector lever base. See Figure. |
| Steering Column Electronic Systems Control Module | Under steering column. See Figure. |
| Throttle Valve Control Module | On throttle body. See Figure. |
| Vehicle Electrical System Control Module | Below left side of dash. See Figure. |
| Wiper Motor Control Module | Integral to windshield wiper motor. See Figure. |
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.