BLEEDING WITH ABS Hydraulic Unit -N55- PUMP

If the brake system cannot be bled correctly, proceed as follows:

-- Bleed the hydraulic system. Refer to HYDRAULIC SYSTEM, BLEEDING WITH BRAKE CHARGER/BLEEDING UNIT .

Also:

-- Connect the Vehicle Diagnostic Tester.

-- Switch the ignition on.

-- Fill the brake fluid reservoir up to the "MAX" mark.

Fig 1: Brake Fluid Reservoir

Courtesy of AUDI OF AMERICA, LLC

-- Select and start OBD  mode.

-- Select 003- Brake electronics  .

-- Select the basic setting  button.

-- Bleed the brakes. Refer to HYDRAULIC SYSTEM, BLEEDING WITH BRAKE CHARGER/BLEEDING UNIT .

-- Use login 40168.