Adaptive Cruise Control Control Module

The Distance Regulation Control Module -J428- is installed on the front of vehicle, behind VW-logo in the radiator grille.

The Distance Regulation Control Module -J428- cannot be disassembled further and contains the following components:

Adaptive Cruise Control Sensor -G550-
Adaptive Cruise Control Sensor Heater -Z47-

Removing:

-- Switch off the ignition and all electrical consumers and move the ignition key or start button into the 0 position (preliminary engaged position).

-- Remove the radiator grille, refer to Removal and Installation .

-- Unclip the Distance Regulation Control Module -J428- -1- from the three mounts -2-.

Fig 1: Identifying Distance Regulation Control Module And Mounts

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Pivot the Distance Regulation Control Module -J428- -1- forward, paying attention to lengths of connected wires.

-- Disengage and disconnect the connector -2- and remove the Distance Regulation Control Module -J428- -1- from the vehicle.

Fig 2: Identifying Distance Regulation Control Module And Connector

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Installing:

Install in reverse order of removal. Note the following:

The Adaptive Cruise Control Sensor -G550- in the Distance Regulation Control Module -J428- is to be adjusted after:

The Adaptive Cruise Control Sensor -G550- is removed, installed or replaced
Whenever the assembly carrier is removed, installed or replaced
If there is a suspicion of forceful impact on these two parts, an accident during driving or similar.

Adaptive Cruise Control Sensor -G550-, calibrating, refer to ADAPTIVE CRUISE CONTROL, CALIBRATING .

-- The Distance Regulation Control Module -J428- of the ACC must be adapted prior to first use and/or after replacement, refer to INITIALIZING ADAPTIVE CRUISE CONTROL .