Work sequence

• First print out the control unit identification and thereby the previous control unit coding as follows:
• Connect Scan Tool VAG1551 ( VAG1552 ) and select the engine electronics control unit with the "address word" 01 → Scan Tool VAG1551 , connecting  ; Connecting Scan Tool and selecting engine electronics control unit.

The Scan Tool VAG1551 display will show the control unit identification, e.g.:

• Print out the control unit identification by pressing the Scan Tool print button.

Only for vehicles from model year 2002 → 

• Press → button.

Indicated on display:

Continued for all vehicles 

• Press → button.
• Press buttons 0 and 6 for the function "End output" and confirm entry with the Q button.

Indicated on display:

• Switch off ignition.
• Remove wiper arms and plenum cover: → 92 WINDSHIELD WIPER & WASHER SYSTEM
• Release connector from control unit and pull off.

Fig 1: Identifying Engine Control Module Securing Tab

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Press the securing tab - arrow  - to left and pull the control unit out.