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 Audi TT Base, 2D ConvertibleFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS Control Module (1) | Right side of engine compartment. See Figure. |
| ABS Hydraulic Unit (15) | Right side of engine compartment. See Figure. |
| Accelerator Pedal Module (2) | On accelerator pedal assembly. See Figure. |
| Air Bag Control Module (8) | Under center console. See Figure. |
| Climatronic Control Module (12) | In A/C control head. See Figure. |
| Comfort System Central Control Module (4) | Right side of luggage compartment. See Figure. |
| Convertible Top Control Module (7) | Left rear of luggage compartment. See Figure. |
| Coolant Fan Control (FC) Module (1) | On left front of engine compartment. See Figure. |
| Digital Sound System Control Module (8) | Left rear of luggage compartment. See Figure. |
| Driver Door Control Module (9) | In driver's door. See Figure. |
| Electronic Dampening Control Module (3) | Under front passenger's seat. See Figure. |
| Engine Control Module (2.0L) (2) | Right rear of engine compartment. See Figure. |
| ESP Sensor Unit (16) | On center console, in front of selector lever. See Figure. |
| Fresh Air Blower Control Module (19) | On fresh air blower motor. See Figure. |
| Front Passenger Door Control Module (3) | In passenger's door. See Figure. |
| Fuel Pump Control Module (1) | In fuel tank assembly. See Figure. |
| Headlamp Range Control Module (14) | Left side of dash. See Figure. |
| Instrument Cluster Control Module (7) | In instrument cluster. See Figure. |
| Parking Aid Control Module (3) | Right side of luggage compartment. See Figure. |
| Seat Occupied Recognition Control Module (1) | Under passenger's seat. See Figure. |
| Steering Column Electronic Systems Control Module (4) | At steering column. See Figure. |
| Throttle Valve Control Module (2.0L) (18) | On throttle body. See Figure. |
| Tire Pressure Monitoring Control Module (12) | Behind left side of dash. See Figure. |
| Vehicle Electrical System Control Module (11) | Left side of dash. See Figure. |
| Wiper Switch/On Board Computer (2) | At steering column. 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.
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