Compose the code number as follows (example):

USA, TLEV (emission standard) 06

4WD with traction control system 7

Automatic transmission 5

Audi A6 and S6 2

Code number (example) 06 7 5 2

The display on V.A.G 1551 Scan Tool shows the control module identification code e.g.:

Fig 1: VAG 1551 Scan Tool Display - Engine Control Module (ECM), Coding (3 Of 4)

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• Press -->key.

Indicated on display

Fig 2: VAG 1551 Scan Tool Display - Engine Control Module (ECM), Coding (4 Of 4)

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• Press keys 0 and 6 for "End output" function and press Q key to confirm entry.
• Switch ignition off and then on again.