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.
System, Overview
2012 Audi A4 2.0T Avant QuattroSECTION System, Overview
- Front Information Display Control Head -J685- in center of the instrument panel
- Front Information Display Control Head Control Module -J523-, behind the instrument panel
- Instrument Cluster Control Module -J285- in the instrument panel
- Data Bus On Board Diagnostic Interface -J533- Behind the Glove Compartment On the Left Side
- Radio -R- optional with Speech Input Control Module -J507- behind left luggage compartment side trim
- Satellite Radio -R146- behind the left luggage compartment left side trim
- Navigation System with CD Drive Control Module -J401- behind luggage compartment left side trim
- Digital Sound System Control Module -J525- behind the luggage compartment left side trim
- Telephone Transceiver -R36- under the front passenger seat
- Multifunction Steering Wheel
- External Audio Source Connection -R199- in the glove compartment
- CD Changer -R41- Inside the Instrument Panel
- Steering Column Electronics Control Module -J527- on steering column at steering column switch
- Multimedia Control Head -E380- in the center console
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.