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.
Steering-Angle Sensor
The steering-angle message is directed from the steering column switch cluster (SZL) to the active front steering control unit via a serial interface and via the F-CAN. The SZL incorporates a second processor for redundant steering-angle calculation. This second processor is only fitted if the active front steering system is fitted and serves to monitor the plausibility of the signal. The steering-angle sensor is integrated in the steering column switch cluster.
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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.