911 Carrera 4 Coupe (996) F6-3.6L (2002)
Malfunctions in the PSM control range if the steering angle sensor is not calibrated or is calibrated incorrectly.
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The steering angle sensor has no defined zero position when new. The position for "straight ahead" direction of travel must be programmed.
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Calibrate steering angle sensor with the Porsche System Tester with the wheels in the straight-ahead position at the measuring station.
5. Calibrate steering angle sensor. See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Steering Angle Sensor/Adjustments