Distinguishing Features

I - ABS - Mark 20 IE 

Fig 1: Identifying ABS - ITT Mark 20 IE

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Dimension a = 100 mm

II - ABS/EDL - Mark 20 IE 

Dimension a = 130 mm

ABS/EDL/ASR - Mark 20 IE

Fig 2: Identifying ABS/EDL - ITT Mark 20 IE

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Dimension a = 130 mm

ABS/EDL/ASR/ESP - Mark 20 IE

Fig 3: Identifying ABS/EDL/ASR/ESP - Mark 20 IE

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Dimension a = 135 mm

1 - Control module, 47 pin (bolted to hydraulic unit). At the end of the harness connector with the locking pin there are four terminals with a width of 4.8 mm

Furthermore, the harness connector between hydraulic unit and control module was moved to the inside.