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Control Module and Hydraulic Unit, Anti-Lock Brake ITT Mark 70 Overview






Control Module and Hydraulic Unit, Anti-Lock Brake ITT Mark 70 Overview

Beginning with MY 09, the ESP sensor unit (G419) is inside the ABS control module (J104).

Beginning with MY 09, the ABS control module must be replaced if the sensor unit ESP sensor unit is faulty.

Beginning with MY 09, the ABS control module must be calibrated if it was replaced.

Beginning with MY 09, the steering angle and the braking pressure are stored in the ABS control module and must be calibrated.


If the brake line connections are interchanged, the ESP system will malfunction.

- After fastening the brake lines to the ABS hydraulic unit, perform the output check diagnosis vehicle diagnosis, testing and information system (VAS 5051 B) or (VAS 5052).

By performing the output check diagnosis, it can be determined if the line connections were interchanged.






1 - Brake Line

Hydraulic control unit to rear left brake caliper

2 - Brake Line

Hydraulic control unit to rear right brake caliper

3 - ABS Hydraulic Unit (N55)

Component location: In engine compartment, right

Removing and installing, refer to => [ Control Module and Hydraulic Unit, Mark 70 ] Control Module and Hydraulic Unit, Mark 70

TFSI, removing and installing, refer to => [ ABS Control Module and ABS Hydraulic Unit ] ABS Control Module and ABS Hydraulic Unit

2.0L TDI removing and installing, refer to => [ ABS Control Module and ABS Hydraulic Unit ] ABS Control Module and ABS Hydraulic Unit

Vehicles with a diesel particulate filter, removing and installing, refer to => [ ABS Control Module and ABS Hydraulic Unit with Diesel Particulate Filter ] ABS Control Module and ABS Hydraulic Unit With Diesel Particulate Filter

4 - Bracket

The ESP control module and hydraulic unit must be removed first before removing the bracket.

5 - Bolt

8 Nm

6 - Rubber Buffer

7 - Bracket

8 - Bolt

20 Nm

9 - Hex Bolt

5.5 Nm

10 - ABS Control Module (J104)

Beginning with MY 09, the sensor unit (G419) is inside the ABS control module with ESP (J104).

Beginning with MY 09, the ABS control module with ESP (J104) must be replaced if the sensor unit (G419) is faulty.

Beginning with MY 09, the ABS control module with ESP (J104) must be calibrated if it was replaced.

Beginning with MY 09, the steering angle and the braking pressure are stored in the ABS control module with EPS (J104) and must be calibrated.

Component location: In engine compartment, right

The control module is bolted to the hydraulic unit

Removing and installing, refer to => [ Control Module and Hydraulic Unit, Mark 70 ] Control Module and Hydraulic Unit, Mark 70

TFSI, removing and installing, refer to => [ ABS Control Module and ABS Hydraulic Unit ] ABS Control Module and ABS Hydraulic Unit

2.0L TDI removing and installing, refer to => [ ABS Control Module and ABS Hydraulic Unit ] ABS Control Module and ABS Hydraulic Unit

Vehicles with a diesel particulate filter, removing and installing, refer to => [ ABS Control Module and ABS Hydraulic Unit with Diesel Particulate Filter ] ABS Control Module and ABS Hydraulic Unit With Diesel Particulate Filter

11 - Brake Line

Master brake cylinder/primary piston circuit to hydraulic control unit

12 - Brake Line

Hydraulic unit to front left brake caliper

13 - Brake Line

Hydraulic unit to right front brake caliper

14 - Brake Line

Master brake cylinder/secondary piston circuit to hydraulic unit