A8 Quattro Sedan V8-4.2L (AUX) (2001)
Control Module: Service and Repair
Removing and Installing
Removing TCM -J217-:
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Switch ignition off.
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Open E-box in right side of plenum by unscrewing 7 bolts (arrows).
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Unclip bolt cover to unscrew bolt in upper right-hand section of illustration.
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Release multi-pin connector lock -2-, then disconnect multipin connector from TCM.
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Unscrew bolts (arrows) and remove TCM (together with bracket) from E-box.
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Check container for water penetration and reseal if necessary.
Installing:
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Install in reverse order of removal.
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Check DTC memory of TCM.
Disconnecting Multi-pin Connector From TCM -217-:
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Switch ignition off and wait approx. 30 sec.
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Push lock in direction of arrow to unlatch connector.
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Disconnect multi-pin connector from top.
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Install in reverse order of removal.