2023 Audi A4 Fuses and Fuse Box

Introduction

Welcome to the cutting-edge world of automobile technology, where the 2023 Audi A4 combines innovation and safety. A critical component of this remarkable vehicle’s electrical system is the fuses and fuse box. Similarly to how a conductor orchestrates a symphony, fuses play an important role in ensuring that every aspect of the Audi A4’s complicated technological network works in unison. In this age of enhanced driving experiences, the 2023 Audi A4 includes a cutting-edge fuse box that represents Audi’s dedication to quality. The fuse box, which protects against electrical overloads and potential risks, demonstrates Audi’s commitment to both performance and safety.

These fuses aid to the smooth operation of numerous devices by intelligently distributing power and regulating electrical flow. Underneath the 2023 Audi A4’s sleek body and opulent interior is a sophisticated network of electronics, and the fuse box acts as a guardian, insuring the dependability of this smart equipment. As we delve deeper into the complexity of the fuses and fuse box, you’ll see how these seemingly insignificant components play a critical part in sustaining Audi’s reputation for engineering excellence and improving the driving experience for those who embark on this automobile trip.

Fuses and bulbs

Replacing fuses

Driver’s side footwell (Left-hand drive vehicles): footrest, front passenger’s side footwell (right-hand drive vehicles): cover

Orlvel’s side cockpit (left-hand drive/right-hand drive vehicles): cover, left side of tuggage compartment: cover

Fuses are installed in various locations in your vehicle. The following information only lists fuses that you can change yourself. To have other fuses changed, contact an authorized Audi dealer or authorized Audi Service Facility. The following ta· ble does not list fuse locations that are not used. A fuse that has blown will have metal strips that have burned through. The fuses are located in the footwell under the footrest (left-hand drive vehicle) G) or behind the cover (right-hand drive vehicle). Additional fuses are located on the front side of the cockpit (driver’s side)© and under the left cover in the luggage compartment.

1. Switch the ignition and all electrical equipment off.
2. Check the table that follows to see which fuse belongs to the affected equipment.
3. Remove the screwdriver and the reversible Torx bit from the vehicle tool kit.
4. Remove the footrest or the corresponding cover.
5. Remove the colored plastic clip from the fuse panel, if necessary.
6. Remove the clip from the rear side of the cover
7. Remove the fuse using the clip.
8. Replace the blown fuse only with a fuse that has the same amp rating.
9. Reinstall the plastic bracket, if present.
10. Reattach the footrest or the cover.

Fuse color identification

Color   Black	Current rating in amps 1
Gray	2
Purple	3
Pink	4
Light brown	s
Brown	7.S
Red (narrow)	10
Light blue	15
Yellow	20
White or transparent	25

WARNING
Do not repair fuses and never replace a blown fuse with one that has a higher amp rating. This can cause damage to the electrical sys­tem 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.

Fuse assignment – footwell

Driver’s footwell (left hand drive vehicle): fuse panel with plastic dip

Front passengers footwell (right-hand drive vehi­cle): fuse panel with plastic dip

Fuse panel @ (brown)
No.	Equipment
1	Catalytic converter heating
2	Engine components
3	Exhaust doors, fuel injectors, air intake, motor heating
	Vacuum pump, hot water pump, NOx sen-
4	sor, particulate sensor, biodiesel sensor,
	exhaust doors
5	Brake light sensor
6	Engine valves, camshaft adjustment
7	Heated oxygen sensors, mass airflow sen- sor, water pump
	Water pump, high pressure pump, high
8	pressure regulator valve, temperature
	valve, engine mount
9	Hot water pump, motor relay, 48 V starter generator, 48 V water pump
10	Oil pressure sensor, oil temperature sensor
11	Clutch position sensor, 48 V starter gener- ator, water pump, 12 V starter generator
12	Engine valves, engine mount
13	Engine cooling

Fuse panel@ (brown)
14	Fuel injectors, drive system control mod- ule
15	Ignition coils, heated oxygen sensors
16	Fuel pump

Fuse panel ®(red)
No.	Equipment
1	Anti-theft alarm system
2	Drive system control module
3	Left front seat electronics, lumbar sup- port, massaging seat
4	Automatic transmission selector lever
5	Horn
6	Parking brake, Electronic Toll Collection System (ETC)
7	Diagnostic interface
8	Roof electronics control module
9	Emergency call and communication con- trot module
10	Airbag control module
11	Electronic Stabilization Control (ESC), An- ti-Lock Braking System (ABS)
12	Diagnostic connection, Electronic Toll Col- lection System (ETC), Light/rain sensor
13	Climate control system
14	Right front door control module
15	Climate control system compressor
16	Brake system pressure reservoir

Fuse panel ©(black)
No.	Equipment
1	Front seat heating
2	Windshield wipers
3	Left headlight electronics
4	Panoramic glass roof/ sliding/tilting sun- roof
5	Left front door control module
6	12 volt socket
7	Right rear door control module, right rear power window
8	All wheel drive control module
9	Right headlight electronics

Fuse panel ©(black)
10	Windshield washer system/headlight washer system control module
11	Left rear door control module, left rear power window
12	Parking heater

Fuse panel@ (black)
No.	Equipment
1	Front seat electronic, seat ventilation, rearview mirror, rear climate control sys- tern control panel, windshield heating, di- agnostic connection
2	Diagnostic interface, vehicle electrical sys- tern control module
3	Engine sound control module
4	Clutch position sensor
5	Engine start, emergency shut-off
6	Diagnostic connection
7	USB connection
8	Garage door opener
9	Audi adaptive cruise control, adaptive dis- tan ce regulation
11	Front camera
12	Right headlight
13	Left headlight
14	Transmission fluid cooling

Fuse panel ©(red)
No.	Equipment
1	Ignition coils
2	Climate controlsystem compressor
5	Left headlight
6	Automatic transmission
7	Instrument panel
8	Climate control system blower
9	Right headlight
10	Dynamic steering
11	Engine start

Fuse assignment- cockpit

Driver side cockpit: fuse panel with plastic bracket

No.	Equipment Convenience access and start authoriza- tion control module
2    Audi phone box, USB connection
4 s	Head-up display USB ports with charging function
6 7	Front climate control system control panel Steering column lock
8	Center display
9	Instrument cluster
10 11	Volume control light switch, switch module
12	Steering column electronics
14	Infotainment system
16	Steering column electronics, steering wheel heating

Fuse assignment-luggage compartment

Left side of the luggage compartment: fuse panel with plastic cup

Fuse panel @ (black}
No.	Equipment
2	Windshield defroster Windshield defroster
3
s	Suspension control
6	Automatic transmission
7	Rear window defogger
8	Rear seat heating
9	Left tail lights
10	Airbag, driver’s side safety belt tensioner control module
	Luggage compartment lid lock, fuel filler
11	door lock, convenience system control
	module
12	Luggage compartment lid

Bulbs

Replacing bulbs
Audi recommends having a bulb replaced by an authorized Audi dealer or authorized Audi Service Facility in cases of doubt. These facilities have the correct tools and replacement parts as well as the required technical knowledge.

LED lights*
Your vehicle is equipped with maintenance-free headlights and tail lights. However, if a light bulb needs to be replaced, please contact an authorized Audi dealer or authorized Audi Service Facili­ty.

WARNING
If you still would like to try replacing the bulbs in your vehicle yourself, read the warn­ings regarding working in the engine com­partment C) .&. in General information on.

NOTE
Make sure the covers are fitted correctly on the headlight and tail light so that no water will leak in from the outside and the light function will not be impaired.

FAQs

Reference Link

Download link: https://www.audi.com/en.html
View Full User Guide: 2023 Audi A4 Owner’s Manual