A8L Quattro Sedan W12-6.0L (BSB) (2005)
Emergency Battery: Service and Repair
Telephone/Telematics Control Module
Telephone System
Telephone/Telematics Control Module
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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.
CAUTION!
‹› Switch off all electrical components.
‹› Switch off ignition and remove ignition key.
Removing
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Move the driver's seat completely to the rear.
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Fold back the floor mat.
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Disengage cover of electronics box and open the box - arrows -.
Telephone/Telematics Control Module (J526) and Emergency Battery (Telematics) (A16) are only wedged into the electronics box.
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Pry Telephone/Telematics Control Module (J526) - 1 - out of electronics box - 2 - in - direction of arrow -.
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Disconnect all harness connectors at Telephone/Telematics Control Module (J526).