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.
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HOMESERVICE MANUALSAUDI2004A8REPAIR AND DIAGNOSISQUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
2004 Audi A8
Control Units
2004 Audi A8SECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS Control Module (W/EDL) | At left side of engine compartment. |
| Access/Start Control Module | Under driver's seat. |
| Air Bag Control Module | Below center of dash, on transmission tunnel. |
| Battery Monitoring Control Module | Right side of luggage compartment. |
| Central Control Module (Comfort System) | In luggage compartment, behind battery. |
| Climatronic Control Module | Front of center console. |
| Data Bus On Board Diagnostic Interface | Behind glove compartment. |
| Door Control Module (Driver Side) | Integrated in driver's door window regulator motor. |
| Door Control Module (Left Rear) | Integrated in left rear door window regulator motor. |
| Door Control Module (Passenger Side ) | Integrated in right front door window regulator motor. |
| Door Control Module (Right Rear) | Integrated in right rear door window regulator motor. |
| Electronic Parking Brake Control Module | Right side of luggage compartment, under battery. |
| Energy Management Control Module | At left side of luggage compartment, behind side trim. |
| Engine Control Module | On passenger's side plenum chamber E-box. |
| Fresh Air Blower Control Module | At right rear of engine compartment, next to fresh air blower motor. |
| Front Information Display Control Head Control Module | Behind glove compartment. |
| Garage Door Opener Control Module | Behind right front bumper. |
| Headlight Beam Adjusting Control Module | Behind instrument cluster. |
| Headlight Range Control Module | Behind instrument cluster. |
| High Intensity Gas Discharge Lamp Control Module (Left/Right) | Behind respective headlight assembly. |
| Inclination-/Anti-Theft Control Module | Under right side of rear seat. |
| Level Control System Control Module | Behind glove compartment. |
| Multifunction Steering Wheel Control Module | In steering wheel. |
| Navigation Control Module W/CD | Left side of trunk, behind trim. |
| Parking Aid Control Module | Below CD changer unit on left side of luggage compartment. |
| Rear Lid Control Module | Right rear of luggage compartment. |
| Rear Lid Tail Light Control Module (Left) | In left rear lid taillight. |
| Rear Lid Tail Light Control Module (Right) | In right rear lid taillight. |
| Rear Tail Light Control Module (Left) | In left taillight. |
| Rear Tail Light Control Module (Right) | In right taillight. |
| Roof Electronics Control Module | Under front of roof module. |
| Solar Operation Control Module | On underside of solar roof. |
| Steering Column Electronic Systems Control Module | On steering column, behind steering wheel. |
| Sunroof Regulator | In front of roof module. |
| Throttle Valve Control Module | Behind intake manifold, on throttle valve housing. |
| Tire Pressure Monitoring Control Module | Under left side of rear seat. |
| Transmission Control Module | In transmission, at valve body. |
| Vehicle Electrical System Control Module | Behind left side of dash. |
| Vehicle Electrical System Control Module No. 2 | Under front passenger's seat. |
| Wiper Motor Control Module | On wiper motor. |
RENDER: 1.0x
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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.