2026 Audi Q8 Fuses and Fuse Box User Guide
This guide provides thorough information about the 2026 Audi Q8 fuse and fuse box layout. Understand fuse locations, functions, and amperage ratings to ensure vehicle safety and performance.
Video: Audi Q8 Fuses and Fuse Box
Fuses and bulbs
Fuses
Replacing fuses
A fuse that has blown will have metal strips that have burned through. The fuses are located on the left front side of the cockpit 1 , in the driver’s footwell 2 , and in the left side of the luggage compartment 3 .
- Turn off the ignition and all electrical equip-ment.
- Check the table that follows to see which fuse belongs to the affected equipment.
- Remove the screwdriver from the vehicle tool kit ð page 303.
- Remove the appropriate cover.
- Remove the colored plastic bracket from the fuse panel, if present.
- Remove the clip from the fuse panel in the driv-er’s footwell 2 .
- Remove the fuse using the clip.
- Replace the blown fuse only with a fuse that has the same amp rating.
- Reinstall the plastic bracket, if present.
- Install the cover.
Fuse color identification
| Color | Current rating in amps |
| Black | 1 |
| Gray | 2 |
| Purple | 3 |
| Pink | 4 |
| Light brown | 5 |
| Brown | 7.5 |
| Red (narrow) | 10 |
| Light blue | 15 |
| Yellow | 20 |
| White or transparent | 25 |
| Light green | 30 |
| Teal | 35 |
| Orange | 40 |
| Red (wide) | 50 |
WARNING
Do not repair fuses and never replace a blown fuse with one that has a different amp rating. This can cause damage to the electrical sys-tem and increases the risk of fire.
Note
If a new fuse burns out again shortly after you have installed it, have the electrical system checked as soon as possible by an authorized Audi dealer or authorized Audi Service Facility.
Tips
Some of the equipment listed in the following tables applies only to certain model versions or certain optional equipment.
Fuses in footwell
| Fuse panel 1 (brown) | |
| No. | Equipment |
| 1 | Catalytic converter heating, camshaft ad- justment |
| 2 | Mass airflow sensor, heated oxygen sen- sors |
| 3 | Engine heating, fuel injectors, exhaust doors |
| 4 | Hot water pump, exhaust doors, NOX sen- sor, particulate sensor, biodiesel sensor |
| 5 | Brake light sensor |
| 6 | Engine valves |
| 7 | Heated oxygen sensor, mass airflow sensor |
| 8 | High pressure pump, engine mount |
| 9 | Engine components, engine relay |
| 10 | Oil pressure sensor, oil temperature sensor |
| 11 | 48 volt coolant pump 48 volt starter gen- erator, 12 volt starter generator |
| 12 | Engine valves |
| 13 | Engine cooling |
| 14 | Drive system control module |
| 15 | Heated oxygen sensors |
| 16 | Fuel pump |
| Fuse panel 2 (red) | |
| No. | Equipment |
| 1 | Ignition coils |
| 4 | Electric compressor |
| 5 | Engine mount |
| 6 | Windshield washer system control module |
| 7 | Instrument panel |
| 8 | Climate control system blower |
| 9 | Driver assistance systems control module |
| 10 | Emergency call and communication con- trol module |
| 11 | Engine start, electric drive clutch |
| Fuse panel 3 (black) | |
| No. | Equipment |
| 1 | Front seat heating |
| 2 | Windshield wipers |
| 3 | Left headlight electronics |
| 4 | Panoramic glass roof |
| 5 | Left front door control module |
| 6 | Sockets |
| 7 | Right rear door control module |
| 9 | Right headlight electronics |
| 10 | Windshield washer system/headlight washer system control module |
| 11 | Left rear door control module |
| 12 | Auxiliary heating, exterior sound generator |
| Fuse panel 4 (brown) | |
| No. | Equipment |
| 1 | Seat ventilation, rearview mirror, rear cli- mate control system control panel, diag- nostic connection |
| 2 | Vehicle electrical system control module, diagnostic interface |
| 3 | Engine sound control module |
| 4 | Transmission fluid cooling valve |
| 5 | Engine start, electric drive |
| 8 | Night vision assist, active roll stabilization |
| 9 | Adaptive cruise assist |
| 10 | Exterior sound generator |
| Fuse panel 4 (brown) | |
| 11 | Intersection assistant, driver assistance systems |
| 13 | Left headlight |
| 15 | USB connection |
| Fuse panel 5 (red) | |
| No. | Equipment |
| 1 | Anti-theft alarm system |
| 2 | Drive system control module |
| 3 | Front seat electronics, lumbar support |
| 4 | Automatic transmission selector |
| 5 | Horn |
| 6 | Parking brake |
| 7 | Diagnostic interface |
| 8 | Roof electronics control module |
| 9 | Electronic Toll Collection System (ETC) |
| 10 | Airbag control module |
| 11 | Electronic Stabilization Control (ESC), An- ti-Lock Braking System (ABS) |
| 12 | Diagnostic connection, light/rain sensor |
| 13 | Climate control system |
| 14 | Right front door control module |
| 15 | Climate control system compressor |
| 16 | Brake system pressure reservoir |
Fuses – dash panel
| Fuse panel 1 (black) | |
| No. | Equipment |
| 2 | Audi phone box, exterior antenna |
| 3 | Climate control system, fragrance system |
| Fuse panel 1 (black) | |
| 4 | Head-up display |
| 5 | USB ports with charging function |
| 7 | Steering column lock |
| 8 | Upper/lower display |
| 9 | Instrument cluster |
| 10 | DVD drive |
| 11 | Light switch, switch panels |
| 12 | Steering column electronics |
| 13 | MMI control knob |
| 14 | MMI Infotainment system control module |
| 15 | Steering column adjustment |
| 16 | Steering wheel heating |
Fuses in luggage compartment
| Fuse panel 1 (black) | |
| No. | Equipment |
| 1 | High-voltage heating, thermomanage- ment |
| 5 | Air suspension/suspension control |
| 6 | Automatic transmission control module |
| Fuse panel 1 (black) | |
| 7 | Rear seat heating, rear climate control sys- tem controls |
| 9 | Central locking, left tail light |
| 10 | Front belt tensioner on driver’s side |
| 11 | Luggage compartment lid central locking, fuel filler door, luggage compartment cov- er |
| 12 | Luggage compartment lid control module |
| Fuse panel 2 (red) | |
| No. | Equipment |
| 1 | Rear climate control system blower |
| 2 | Sound system |
| 3 | Exhaust treatment, engine sound control module |
| 4 | Rear climate control system control panel |
| 5 | Right trailer hitch light |
| 6 | Trailer hitch positioning motor |
| 7 | Trailer hitch release |
| 8 | Left trailer hitch light |
| 9 | Trailer hitch socket |
| 10 | Allroad sport differential |
| 11 | Exhaust treatment |
| 12 | Driver’s side rear safety belt tensioner |
| Fuse panel 3 (brown) | |
| No. | Equipment |
| 1 | Driver assistance systems control module |
| 3 | Right lumbar support |
| 4 | Side assist |
| 6 | Tire pressure monitoring system |
| 7 | Exterior antenna |
| 8 | Auxiliary heating radio receiver, tank mod- ule |
| 10 | TV tuner, data exchange and telematics control module |
| 11 | Convenience access and start authoriza- tion control module |
| 12 | Garage door opener |
| 13 | Rearview camera, peripheral cameras |
| 14 | Convenience system control module, right tail light |
| Fuse panel 3 (brown) | |
| 15 | Passenger’s side rear safety belt tensioner |
| 16 | Front belt tensioner on front passenger’s side |
| Fuse panel 4 (red) | |
| No. | Equipment |
| 1 | Active roll stabilization |
| 2 | High-voltage battery emergency cut-off point |
| 3 | High-voltage battery coolant pump |
| 4 | Power electronics control module |
| 5 | Brake booster |
| 6 | Voltage converter |
| 8 | Climate control system compressor |
| 9 | Auxiliary battery control module |
| 10 | High-voltage battery |
| 11 | Charging system |
| 12 | Auxiliary heating and air conditioning ra- dio receiver |
| 14 | Thermal management, coolant pumps |
| 15 | Thermomanagement control module |
| Fuse panel 5 (brown) | |
| No. | Equipment |
| 7 | Front seat heating |
| 9 | Exhaust treatment |
| 10 | Rear seat heating, rear climate control sys- tem controls |
| 12 | Exhaust treatment |
Bulbs
Note
Your vehicle is fitted with maintenance-free headlights and rear lights. Please contact your Audi dealer or qualified workshop if a light source does not work.
Useful Links:
2023 Audi Q8 e-tron Review, Price, Features and Mileage (Brochure)
2026 Audi Q8 Specifications User Guide
2026 Audi Q8 Maintenance Schedule User Guide