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.
2021 Audi RS Q8FACTORY OEM SERVICE PROCEDURE
Overview - Driver Assistance Systems Control Module
- Bracket
- For the Driver Assistance Systems Control Module -J1121-
- There are different versions. Refer to the Parts Information.
- Removing and Installing. Refer to Driver Assistance Systems Control Module -J1121-, REMOVING AND INSTALLING .
- Bolt
- 8 Nm
- Quantity: 2
- Impact Guard
- Removing and Installing. Refer to Driver Assistance Systems Control Module -J1121-, REMOVING AND INSTALLING .
- Bolt
- 8 Nm
- Control module "Low" : quantity: 2
- Control module "High" : quantity: 3
- 8 Nm
- Clip
- Attaching the impact guard to bracket
- Bolt
- 4.5 Nm
- For impact guard
- Quantity: 3
- Bolt
- 8 Nm
- Only on control module "Low"
- Bolt
- 8 Nm
- Only on control module "High"
- Bolt
- 4.5 Nm
- For bracket
- Quantity: 3
- Driver Assistance Systems Control Module -J1121-
- There are different versions. Refer to the Parts Information.
- Removing and Installing. Refer to Driver Assistance Systems Control Module -J1121-, REMOVING AND INSTALLING .
- Connector
- Connectors
- Allocation. Refer to the appropriate Wiring Diagram.
Factory Service Tools
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.