Step 4:

• Start engine and run at idling speed.

Indicated on display. (Operating modes 1 and 2 are displayed alternately.)

Fig 1: VAG1551 Scan Tool Display - Control Module Coding (Step 1 Of 2)

Courtesy of VOLKSWAGEN OF AMERICA, INC.

• Press button -1- to select "Rapid data transfer" operating mode 1.
• Press buttons -0- and -1- to insert "Engine Electronics" address word 01 and press -Q- button to confirm input.

  The control module identification and coding are indicated on the display

Fig 2: VAG1551 Scan Tool Display - Control Module Coding (Step 2 Of 2)
Courtesy of VOLKSWAGEN OF AMERICA, INC.
• Press --> button.