Entertainment System Control Module: Service and Repair

2006 Audi A4 Quattro Sedan (8EC) V6-3.2L (BKH)SECTION Service and Repair





Radio/Navigation Display Control Module, RNS Low Navigation

Special tools, testers and auxiliary items required

Radio Removal Tool (T10057)

- If control module is replaced, select "Replacement" function for appropriate control module in "Guided Fault-Finding" routine.

Use the Vehicle Diagnosis, Testing and Information System (VAS 5051) to do so.

- Turn off all electrical consumers.

- Remove ignition key.

Removing

- Place Radio Removal Tool (T10057) - arrows - in release slits on Radio/Navigation Display Control Module (J503) until they engage. Points on grip eyes face outward.





- Remove Radio/Navigation Display Unit Control Module (J503) from instrument panel using grip eyes on Radio Removal Tool (T10057).

- Release connectors on Radio/Navigation Display Control Module (J503) and remove it.

- Remove Radio Removal Tool (T10057) by pressing locking tabs on Radio/Navigation Display Control Module (J503).

Installing

- Connect all harness connectors.

- Carefully slide Radio/Navigation Display Control Module (J503) into instrument panel and allow it to engage in installation frame.
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.