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.
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HOMESERVICE MANUALSAUDI2012S4 QUATTRO SEDAN (8K2) V6-3.0L SC (CCBA)REPAIR AND DIAGNOSISCRUISE CONTROLSERVICE AND REPAIRACTIVE STEERING CONTROL MODULE (J792)
2012 Audi S4 Quattro Sedan (8K2) V6-3.0L SC (CCBA)
Active Steering Control Module (J792)
2012 Audi S4 Quattro Sedan (8K2) V6-3.0L SC (CCBA)SECTION Active Steering Control Module (J792)
Active Steering Control Module (J792)
Special tools, testers and auxiliary items required
• Torque Wrench (V.A.G 1783)
Removing
The active steering control module (J792) is located in the footwell under the driver seat.
Before removing control module, read out code using Guided Fault Finding in "Replace control module" function.
- Loosen the driver seat and slide it back with the wires connected.
- Remove the sill panel strip.
- Remove the foot rest.
- Disengage the carpet and support it using a suitable block of wood - 6 -.
- Remove nuts - 7 -.
- Remove the nuts - 1 - and remove the ground wire - 2 - from the threaded pin.
- Carefully disconnect the wiring harness clip connection - 3 - from the bracket - 4 -.
- Remove the wiring harness connectors - 3 - from the control module - 8 -.
- Remove the bolts - 5 - from the control module - 8 - and remove the bracket - 4 -.
Installing
Install in reverse order of removal. Note the following:
Follow the sequence when installing the control module:
- Tighten the bracket - 4 - with the bolts - 5 - to the control module - 8 - to 8 Nm.
- Connect the wiring harness connectors - 3 - to the control module - 8 -.
- Carefully slide the wiring harness clip connection - 3 - into the bracket - 4 -.
- Insert the control module with the bracket.
- Connect the ground wire - 2 - to the threaded pin and tighten the nuts - 1 - to 6 Nm.
- Tighten nuts - 7 - to 6 Nm.
- The system must be calibrated if the active steering control module is replaced. Refer to => [ Dynamic Steering Basic Setting ] Dynamic Steering Basic Setting.
Tightening specifications:
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.