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 MANUALSAUDI2025A4 QUATTRO PRESTIGEREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALCOMPONENT 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 VIEWNOTES
2025 Audi A4 Quattro Prestige
Comfort System Central Control Module -J393- COMPONENT LOCATION AND CONNECTOR END VIEW: Notes
2025 Audi A4 Quattro PrestigeSECTION Notes
Component Location
In left luggage compartment, behind side panel trim
- 1 - Comfort System Central Control Module -J393-
- A - 17-Pin Connector -T17a- (connector A), brown
- B - 32-Pin Connector -T32c- (connector C), black
- C - 17-Pin Connector -T17b- (Connector B), black
- D - 20-Pin Connector -T20e- (Connector E), black
- E - 32-Pin Connector -T32d- (connector D), blue
RENDER: 1.0x
NO RELATED
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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.