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.
General information
The steering column switches, spiral spring and Steering Angle Sensor G85 are integrated into a single assembly (module) along with the Steering Column Electronic Systems Control Module J527.
Before troubleshooting or servicing, technicians must be familiar with the functions and operation specifics of the steering column electronics. Always read the owners manual and review applicable system functions.
- Additional information:
Owners Manual
Self Study Program - Course Number 991103 "2002 Audi A4 Technical Features"
Self Study Program - Course Number 991503 "The 2005 Audi A4"
Wiring Diagrams Component Locations
NO RELATED
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.