Passat Sedan 4Motion W8-4.0L (BDP) (2002)
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Select diagnosis function "07 - Code control unit".
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Input Control module coding (obtained from helpline) on keypad.
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Press "Q" on keypad to confirm.
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Screen appears as shown.
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Control module coding appears (arrow)
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Turn steering wheel one turn to the right.
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Return steering wheel to center.