Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Abs Control Module And Abs Hydraulic Unit
Disconnecting ABS Control Module -J104- and ABS Hydraulic Unit -N55- is not permitted.
Special tools and workshop equipment required
- Brake Pedal Actuator V.A.G 1869/2
- Vehicle Diagnosis, Testing and Information System VAS 5051
Removing
-- Read the control module version and make a note of it.
-- Disconnect the battery. Be sure to get the radio code beforehand. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .
-- Insert V.A.G 1869/2 between brake pedal and driver's seat by pressing brake pedal down at least 60 mm.
-- Connect bleeder bottle hose to left front and left rear brake caliper bleeder screw.
-- Open left rear and left front brake caliper bleeder screws to reduce pressure in hydraulic unit.
-- Close left front and rear brake caliper bleeder screws.
-- Do not remove V.A.G 1869/2.
-- Release control module harness connector -arrow 1- and pull off -arrow 2-.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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