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.
2004 Audi A6 BaseFACTORY OEM SERVICE PROCEDURE
Circuit Protection Devices
CIRCUIT PROTECTION DEVICES LOCATION
| Component | Location |
|---|---|
| ABS Control Module Fuse No. 1 | On 8-fold relay panel. See Figure. |
| Brake Booster Relay Fuse | On 3-fold relay & fuse panel. See Figure. |
| Coolant Fan Control Module Fuse | On 8-fold relay panel. See Figure. |
| Coolant Fan Fuse | On 8-fold relay panel. See Figure. |
| Engine Control Module (ECM) Fuse | On 3-fold relay panel. See Figure. |
| Fuse Panel | Left end of dash. |
| Hydraulic Pump Relay Fuse (Allroad) | On 13-fold relay panel. See Figure. |
| Luggage Compartment Socket Fuse | On 8-fold relay panel. See Figure. |
| Micro Central Electric Panel | Behind left side of dash. See Figure. |
| Power Seat Circuit Breaker No. 1 (Driver's Seat) | On 8-fold relay panel. See Figure. |
| Power Seat Circuit Breaker No. 2 (Passenger's Seat) | On 8-fold relay panel. See Figure. |
| Power Window Circuit Breaker (Front) | On 8-fold relay panel. See Figure. |
| Power Window Circuit Breaker (Rear) | On 8-fold relay panel. See Figure. |
| Rear Shade Fuse | On micro central electric panel. See Figure. |
| Secondary Air Pump Fuse | On 3-fold relay panel. See Figure. |
| Self-Leveling System Fuse | On 8-fold relay panel. See Figure. |
| Steering Column Adjustment Fuse | On micro central electric panel. See Figure. |
| 3-Fold Relay & Fuse Panel | Behind lower left side of dash. See Figure. |
| 3-Fold Relay Panel | Left rear of engine compartment, in plenum chamber. See Figure. |
| 8-Fold Relay Panel | Behind left side of dash. See Figure. |
| 13-Fold Relay Panel | Behind left side of dash. 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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