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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSAUDI2025A4 QUATTRO PRESTIGEREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSCOMPONENT LOCATIONS: CONTROL MODULES IN REAR PART OF VEHICLECOMPONENT LOCATIONS: CONTROL MODULES IN REAR PART OF VEHICLECOMFORT SYSTEM CENTRAL CONTROL MODULE -J393- COMPONENT LOCATION AND CONNECTOR END VIEWPIN ARRANGEMENTS COMFORT SYSTEM CENTRAL CONTROL MODULE -J393
2025 Audi A4 Quattro Prestige
Pin Arrangements Comfort System Central Control Module -J393
2025 Audi A4 Quattro PrestigeSECTION Pin Arrangements Comfort System Central Control Module -J393
| -T17a- (A) | Designation | -T32c- (B) | Designation | -T17b- (C) | Designation | ||
|---|---|---|---|---|---|---|---|
| 1 | Right Back-Up Lamp -M17- | 1 | Left License Plate Light -X4- Right License Plate Light -X5- | 1 | Right Rear Turn Signal Lamp -M8- | ||
| 2 | Left Rear Turn Signal Lamp -M6- | 2 | 2 | Left Taillight Lamp 2 -M49- or Left tail lamp bulb -M4- | |||
| 3 | Right brake/tail lamp bulb -M22- or Right tail lamp bulb -M2- (LED) | 3 | 3 | Left Back-Up Lamp -M16- | |||
| 4 | Left brake/tail lamp bulb 2 -M58- or Left Brake Lamp -M9- (LED) | 4 | 4 | Left brake/tail lamp bulb -M21- or Left tail lamp bulb -M4- (LED) | |||
| 5 | Terminal 58s | 5 | Rear lid opener control module -J938- / LIN-Bus | 5 | Right Rear Turn Signal Lamp 2 -M81- | ||
| 6 | Right Rear Fog Lamp -L47- | 6 | 6 | Left Rear Fog Lamp -L46- | |||
| 7 | Right tail lamp bulb 2 -M50- or Right tail lamp bulb -M2- | 7 | 7 | Right brake/tail lamp bulb 2 -M59- or Right brake lamp bulb -M10- (LED) | |||
| 8 | 8 | 8 | Rear lid opener control module -J938- / Terminal 30 | ||||
| 9 | 9 | 9 | |||||
| 10 | 10 | Terminal 50 | 10 | ||||
| 11 | 11 | 11 | |||||
| 12 | 12 | Brake Light Switch -F- Engine Control Module (ECM) -J623- | 12 | ||||
| 13 | 13 | Left Rear Level Control System Sensor -G76- | 13 | ||||
| 14 | Left Rear Turn Signal Lamp 2 -M80- | 14 | Left Front Level Control System Sensor -G78- | 14 | |||
| 15 | Terminal 31 | 15 | Left Front Level Control System Sensor -G78- | 15 | Terminal 31 | ||
| 16 | Terminal 30 | 16 | High-mount Brake Light -M25- | 16 | Terminal 30 | ||
| 17 | Terminal 30 | 17 | Terminal 15 | 17 | |||
| 18 | Terminal 15 power supply relay -J329- | ||||||
| 19 | Anti-Theft Alarm System Sensor -G578- / LIN-Bus | ||||||
| 20 | Alarm Horn -H12- / LIN-Bus | ||||||
| 21 | Left Front Level Control System Sensor -G78- | ||||||
| 22 | |||||||
| 23 | |||||||
| 24 | |||||||
| 25 | |||||||
| 26 | |||||||
| 27 | |||||||
| 28 | |||||||
| 29 | Left Rear Level Control System Sensor -G76- | ||||||
| 30 | Fuel Tank Lid Unlock Motor -V155- | ||||||
| 31 | Fuel Tank Lid Unlock Motor -V155- | ||||||
| 32 | Rear window defogger relay -J9- |
| -T20e- (D) | Designation | -T32d- (E) | Designation | -T32d- (E) | Designation | ||
|---|---|---|---|---|---|---|---|
| 1 | Access/Start System Antenna 1 in Vehicle Interior -R138- | 1 | Comfort System CAN-Bus Low | 17 | |||
| 2 | Left Access/Start Authorization Antenna -R200- | 2 | Comfort System CAN-Bus High | 18 | |||
| 3 | Left Access/Start Authorization Antenna -R200- | 3 | 19 | ||||
| 4 | 4 | 20 | Left Rear Level Control System Sensor -G76- | ||||
| 5 | 5 | Fuel Level Sensor -G- | 21 | Fuel Level Sensor -G- | |||
| 6 | 6 | Fuel Level Sensor 2 -G169- | 22 | Fuel Level Sensor 2 -G169- | |||
| 7 | Access/Start System Antenna in Luggage Compartment -R137- | 7 | 23 | ||||
| 8 | Access/Start System Antenna in Luggage Compartment -R137- | 8 | 24 | ||||
| 9 | 9 | Fuel Level Sensor -G- | 25 | Access/start authorization button -E408- | |||
| 10 | Access/Start System Antenna 1 in Vehicle Interior -R138- | 10 | Access/start authorization button -E408- | 26 | Access/start authorization button -E408- | ||
| 11 | Rear Lid Central Locking System Motor -V53- | 11 | 27 | ||||
| 12 | Right Rear Exterior Door Handle Touch Sensor -G418- | 12 | Left Rear Window Breakage Sensor -G183- Right Rear Window Breakage Sensor -G184- Rear Window Glass Breakage Sensor -G304- | 28 | Trunk Lock/Alarm/Central Locking Switch -F124- | ||
| 13 | Left Rear Exterior Door Handle Touch Sensor -G417- | 13 | 29 | ||||
| 14 | Right Front Outside Door Handle Touch Sensor -G606- | 14 | 30 | Rear Lid Handle Unlock Switch -E234- | |||
| 15 | Left Front Outside Door Handle Touch Sensor -G605- | 15 | Trunk Lid Alarm Switch -F123- | 31 | |||
| 16 | 16 | 32 | |||||
| 17 | |||||||
| 18 | |||||||
| 19 | |||||||
| 20 |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.