Distance Regulation Control Module -J428-

Distance Regulation Control Module is mounted on front of vehicle, behind VW-logo in the radiator protective grille.

Distance Regulation Control Module must not be disassembled further and contains the following components:

• Adaptive Cruise Control Sensor -G550-
• Distance Regulation Sensor Heater -Z47-

Removing: 

-- Switch ignition and all electrical consumers off and disengage the key or ignition switch in position 0 (ignition off).

-- Remove radiator protective grille. Refer to Removal and Installation .

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

Fig 1: Identifying Distance Regulation Control Module J428 And Retainers

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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

-- Disengage and disconnect harness connector -2- and remove Distance Regulation Control Module from vehicle.

Fig 2: Identifying Distance Regulation Control Module J428 And Electrical Connection

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Installing: 

Install in reverse order of removal, noting the following:

Adaptive Cruise Control Sensor -G550- in Distance Regulation Control Module is to be adjusted:

• Whenever the adaptive cruise control sensor is removed, installed or replaced,
• Every removal and installation, and replacement of assembly carrier,
• If there is a suspicion of forceful impact on these two parts, an accident during driving or similar.

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

-- The Distance Regulation Control Module must be adapted prior to first use and/or after replacement. Refer to AUTOMATIC DISTANCE REGULATION, INITIALIZING .