ABS Control Module -J104- / ABS Hydraulic Unit -N55-, WITH ABS MARK 60EC ABS/EDS/ASR/ESP

2011 Volkswagen Jetta TDI, 4D Sedan, Automatic DCTSECTION ABS Control Module -J104- / ABS Hydraulic Unit -N55-, WITH ABS MARK 60EC ABS/EDS/ASR/ESP

Special tools and workshop equipment required 

  • Torque Wrench 5-50Nm VAG1331
  • Torque Wrench VAG1410
  • Brake Pedal Actuator VAG1869/2
  • Ring Spanner 7-Piece Set 3337
  • Wrench SW13T10384
  • Assembly Tool T10365
  • Transportation Lock T10404
  • Engine Bung Set VAS6122
Fig 1: Identifying Sealing Plug Repair Set, Part No. 1H0 698 311 A
GWWN45-0039Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Install the transportation protection after removing the ABS Hydraulic Unit -N55-.

The warranty on the ABS Hydraulic Unit -N55- will not be honored if there is no transportation protection.

1 -

Transport protection for valve domes (foam)

2 -

Sealing plugs M10

3 -

Sealing plugs M12

Removing 

Fig 2: Identifying Brake Booster & Tandem Master Cylinder
GWWM45-10004Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Component location:

The ABS Control Module -J104- is attached to the ABS Hydraulic Unit -N55- and is located inside the engine compartment on the right side.

  1. ABS Hydraulic Unit -N55- with ABS Control Module -J104-
  2. brake booster with tandem master cylinder
WARNING:

Do not bend the brake lines near the ABS Hydraulic Unit -N55- !

Use the Vehicle Diagnostic Tester.

  • Chassis 
  • Brake System 
  • Anti-lock braking system ABS/EDS/ASR/ESP Mark 60 EC 
  • Function 
  • Check coding in the ABS control module J104 
NOTE:

Disconnect battery ground strap for all further work. See if a coded radio is installed. Get the anti-theft code beforehand, if necessary.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.