Problem
Sunroof cannot be opened in lift position when constantly pressing switch.
Note: If the switch only is only pressed briefly, the function is correct.
The Sun roof drive was updated with modified software from week 49/05.
From Chassis No. 4E * 6N 015129
Cars Affected
A8 2005
Resolution
1. Replace the sun roof drive.
2. Perform initialisation run on sun roof drive
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Close sun roof from lift or slide position (switch is in closed position and is continuously pulled). |
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Release the switch (after hearing a click from the back of the sun roof drive) and pull again till a rattling noise can be heard (from front deflector motor). |
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Release the switch while the motor still rattles. Pull again straight away and hold. |
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After the rattling noise stops, the initialisation starts. |
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Hold the switch till all positions (sliding position fully open/closed/lift position fully open/closed) have been performed and the resistance values stored. |
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Check function. |