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.
Control Module, Separating From Hydraulic Unit
Special tools and workshop equipment required
- Torque Screwdriver VAG1624 1-5 Nm with external Torx socket E6
- ESD Work Surface VAS6613
Replacing Control Modules
Replace the control module:
- If it has been determined by the Vehicle Diagnostic Tester that the control module is faulty "Control Module Faulty".
- If there is visible damage to the control module housing or to the connector.
A control module that was removed may not be attached to a different hydraulic unit.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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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