ABS Hydraulic Unit With ABS Control Module J104 Assembly Overview

ABS Hydraulic Unit with ABS Control Module J104 Assembly Overview






1 - ABS Hydraulic Unit (N55) with ABS Control Module (J104)

• Component location: In the left of the engine compartment.

• Removing and Installing, refer to => [ ABS Hydraulic Unit N55 with ABS Control Module ] Service and Repair.

• The hydraulic control unit is comprised of the ABS Hydraulic Unit (N55) with integrated Brake Pressure Sensor 1 (G201) and the ABS Control Module (J104).

• The components must not be separated from each other.

• Do not disconnect the connector before successfully completing OBD.

• Switch the ignition off before disconnecting the connector.

• The Brake Pressure Sensor 1 (G201) is integrated into the ABS Hydraulic Unit (N55) and cannot be replaced.


The ABS Hydraulic Unit (N55) and ABS Control Module (J104) must not be separated from each other.

2 - ESP bracket

• The bracket cannot be removed.

3 - ABS Control Module (J104) electrical connector

4 - Brake line

• To brake master cylinder.

5 - Brake line

• To brake master cylinder.

6 - Brake lines

• Hydraulic unit to right front brake caliper

• Hydraulic unit to left front brake caliper

• Hydraulic control unit to left rear brake caliper

• Hydraulic control unit to right rear brake caliper