Distance Regulation Control Module -J428-, REMOVING AND INSTALLING

The Distance Regulation Control Module -J428- and/or Distance Regulation Control Module 2 -J850- are installed at the front of the vehicle next to the fog lamps.

The Distance Regulation Control Module -J428- cannot be disassembled and contains the Adaptive Cruise Control Sensor -G550-.

Distance Regulation Control Module 2 -J850- cannot be disassembled and contains the Adaptive Cruise Control Sensor 2 --.

Removing

NOTE:

Removing and installing the Distance Regulation Control Module -J428- is the same as for Distance Regulation Control Module 2 -J850- and is described for one control module only.

-- Turn off the ignition and all electric consumers and remove the key.

-- Remove the front bumper cover. Refer to BUMPER COVER, REMOVING AND INSTALLING .

-- Release and disconnect the connector -2-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the nut -1- (20 Nm) and both bolts -4- (20 Nm) and then remove the Distance Regulation Control Module -J428- -3- together with the bracket.

Installing:

Install in reverse order of removal. Note the following:

The Adaptive Cruise Control (ACC) sensors must be calibrated after:

Removing, installing or replacing a Distance Regulation Control Module -J428-,
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.

Calibrating the distance regulation (ACC). Refer to DISTANCE REGULATION (ACC), CALIBRATING .

-- Adapt the ACC when first using or replacing the Distance Regulation Control Module -J428- or Distance Regulation Control Module 2 -J850-. Refer to AUTOMATIC DISTANCE REGULATION, INITIALIZING .

NOTE:

The stud bolts in the bracket are pre-set. Correct the setting only if necessary.

Replace the clip if the adjusting screw was removed. Refer to REMOVE THE CLIP ON THE Distance Regulation Control Module -J428- "Master", Distance Regulation Control Module 2 -J850- "Slave" .