Workshop ManualsOriginal source
Steering Angle Sensor, Traction Control|Locations|Page 4173
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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: Adjustments
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