Join Date: Jan 2017
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Re: Tailgate Problems
You could check that the button on the tailgate is returning fully after pushing in.
If it doesn't the car won't see the 'open' command all the time.
Seen a few C5s like this, one had the entire lock replaced twice to no effect.
The culprit was the plastic chromed trim surround catching on the button return.
Currently in Brendan W's garage:
2007 1.6 petrol Grand Scenic, 2003 V70 D5, 2001 Punto 1.2, 1980 Suzuki GS850G