Differential Control Module

Removing 

-- Remove the right front seat. Refer to Removal and Installation .

-- If equipped, remove the cover from seat frame.

-- First check whether a coded radio is installed. In this case, find out the anti theft coding.

-- Switch the ignition and all electrical components off, and remove the ignition key.

-- Disconnect the ground terminal connector from the battery. Refer to [For engine(s) AXQ, BMX, BHK, BWF, BAR, BAA, BKW] Removal and Installation .

-- Separate the connector -1- at differential control module -J646- and, if equipped, the connector -2- at transmission control module -J217-.

Fig 1: Identifying Connector At Differential Control Module J646 And Connector At Transmission Control Module J217

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolt -3-.

-- Pull the retainer with differential control module -J646- in -direction of arrow- out of the bracket on the seat frame.

-- Press the retaining tabs -1- in -direction of arrow- and pull the differential control module -J646- out of the retainer. Make sure that the differential control module -J646- does not fall to the floor.

Fig 2: Identifying Retaining Tabs -1-, Differential Control Module J646 And Retainer

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Installing 

Install in reverse sequence; note the following points:

-- Push the retainer for differential control module -J646- with the latches -2- into the recesses -1- of the seat frame.

Fig 3: Identifying Latches -2- And Recesses -1- Of Seat Frame

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install and tighten the bolt -3- to 8 Nm.

-- Connect ground terminal connector to battery and perform the work sequences after connecting the battery. Refer to [For engine(s) AXQ, BMX, BHK, BWF, BAR, BAA, BKW] Removal and Installation .