Work sequence

• First print out the control unit identification and thereby the previous control unit coding as follows:
• Connect Scan Tool VAG 1551 ((VAG 1552) and select the engine electronics control unit with the "address word" 01; see VAG 1551 SCAN TOOL, CONNECTING .

The Scan Tool VAG 1551 display will show the control unit identification. For example, see Fig 1.

Fig 1: Scan Tool Display - Diesel Direct Fuel Injection (DFI) Engine Control Module (1 Of 3)

Courtesy of VOLKSWAGEN OF AMERICA, INC.

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

Only for vehicles from model year 2002 and up 

• Press --> button.

Indicated on display:

Fig 2: Scan Tool Display - Diesel Direct Fuel Injection (DFI) Engine Control Module (2 Of 3)

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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:

Fig 3: Scan Tool Display - Diesel Direct Fuel Injection (DFI) Engine Control Module (3 Of 3)

Courtesy of VOLKSWAGEN OF AMERICA, INC.

• Switch off ignition.
• Remove wiper arms and plenum cover:

  See Plenum Cover Emoval & Installation

• Release connector from control unit and pull off.
• Press the securing tab -arrow- to left and pull the control unit out.
Fig 4: Pressing ECM Securing Tab
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