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 -J104-, REPLACING: Notes
Special tools and workshop equipment requiredÂ
- Torque Screwdriver VAG 1624
- Torque Screwdriver VAG 1624
- ESD Work Surface VAS 6613
- External TORX® socket E6
Before removing control module, read out DTC memory and print out fault code if necessary.
The control module and the hydraulic unit can be separated.
The ESP unit must be removed in order to separate the control module and the hydraulic unit.
Only qualified personnel with the necessary training should remove the ESP unit.
Only qualified personnel wilt the necessary training should separate the control module and the hydraulic unit.
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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