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 S8FACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS Control Module (W/EDL) | At left side of engine compartment. See Figure. |
| Access/Start Control Module | Under driver's seat. See Figure. |
| Air Bag Control Module | Below center of dash, on transmission tunnel. See Figure. |
| Antenna Selection Control Module | Behind left rear edge of roof trim. See Figure. |
| Battery Monitoring Control Module | Right side of luggage compartment. See Figure. |
| Central Control Module (Comfort System) | Right side of luggage compartment. See Figure. |
| Control Module For Navigation W/CD | Left side of luggage compartment. See Figure. |
| Coolant Fan Control (FC) Control Module | On coolant fan. See Figure. |
| Coolant FC (Fan Control) Control Module No. 2 | On right coolant fan motor. See Figure. |
| Curtain Air Bag Unit (Driver's/Front Passenger's) (6) | In respective roof rail. See Figure. |
| Digital Sound System Control Module | Left side of luggage compartment. See Figure. |
| Distance Regulation Control Module | Behind center of front bumper. See Figure. |
| Door Closing Control Module | Right side of luggage compartment, behind battery. See Figure. |
| Door Control Module (Driver Side) | Integrated in driver's door window regulator motor. See Figure. |
| Door Control Module (Left Rear) | Integrated in left rear door window regulator motor. See Figure. |
| Door Control Module (Passenger Side) | Integrated in right front door window regulator motor. See Figure. |
| Door Control Module (Right Rear) | Integrated in right rear door window regulator motor. See Figure. |
| Electronic Parking Brake Control Module | Right side of luggage compartment, under battery. See Figure. |
| Energy Management Control Module | Right side of luggage compartment, behind side trim. See Figure. |
| Engine Control Module (ECM) (Except 5.2L) | In passenger's side plenum chamber E-box. See Figure. |
| Engine Control Module (ECM) 2 (5.2L) (1) | Right rear of engine compartment. See Figure. |
| Engine Control Module (ECM) 2 (6.0L) (4) | In passenger's side plenum chamber E-box. See Figure. |
| Engine Control Module (ECM) (5.2L) (3) | Right rear of engine compartment. See Figure. |
| Fresh Air Blower Control Module | At right rear of engine compartment, next to fresh air blower motor. See Figure. |
| Front Information Display Control Head Control Module | Behind glove compartment. See Figure. |
| Garage Door Opener Control Module | Behind right side of front bumper. See Figure. |
| Headlight Range Control Module | Behind instrument cluster. See Figure. |
| Heated Windshield Control Module | Right side of luggage compartment, under battery. See Figure. |
| High-Intensity Gas Discharge Lamp Control Module (Left/Right) | At respective headlight assembly. See Figure. |
| Inclination-/Anti-Theft Control Module | Under right side of rear seat. See Figure. |
| Instrument Cluster Control Module | Behind instrument cluster. See Figure. |
| Left/Right Rear Heated Seat Control Module | Under center of rear seat. See Figure. |
| Level Control System Control Module | Behind glove compartment. See Figure. |
| Memory Seat/Steering Column Adjustment Control Module | Under driver's seat. See Figure. |
| Multi-Function Steering Wheel Control Module | In steering wheel. See Figure. |
| Parking Aid Control Module | Below CD changer unit on left side of luggage compartment. See Figure. |
| Power Sunroof Control Module | In front of roof module. See Figure. |
| Radio, R & Speech Input Control Module | Left side of luggage compartment. See Figure. |
| Rear Lid Control Module | Right rear of luggage compartment. See Figure. |
| Rear Lid Taillight Control Module (Left Right) | In respective taillight assembly. See Figure. |
| Rear Memory Seat Control Module | Under center of rear seat. See Figure. |
| Rear Taillight Control Module (Left Right) | In respective taillight assembly. See Figure. |
| Roof Electronics Control Module | Under front of roof module. See Figure. |
| Solar Operation Control Module | Underside of solar roof. See Figure. |
| Steering Column Electronic Systems Control Module | Top of steering column. See Figure. |
| Telephone/Telematic Control Module | Left front footwell, under carpet. See Figure. |
| Throttle Valve Control Module 2 (5.2L) (4) | On cylinder bank No. 2 throttle body. See Figure. |
| Throttle Valve Control Module 2 (6.0L) (3) | On cylinder bank No. 2 throttle body. See Figure. |
| Throttle Valve Control Module (4.2L) | Behind intake manifold, on throttle valve housing. See Figure. |
| Throttle Valve Control Module (5.2L) (7) | On cylinder bank No. 1 throttle body. See Figure. |
| Throttle Valve Control Module (6.0L) (11) | On cylinder bank No. 1 throttle body. See Figure. |
| Tire Pressure Monitoring Control Module | Under left side of rear seat. See Figure. |
| Towing Sensor Control Module | Right side of luggage compartment, under battery. See Figure. |
| Transmission Control Module (TCM) | In bottom of transmission. See Figure. |
| Vehicle Electrical System Control Module | Behind left side of dash. See Figure. |
| Vehicle Electrical System Control Module 2 | Under front passenger's seat. See Figure. |
| Wiper Motor Control Motor | In plenum, on windshield wiper motor. See Figure. |
Factory Service Tools
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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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