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Cayenne unlocking / Alarm random response

Khaled Doulami
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Khaled Doulami Member

Khaled Doulami

Posted
Posted (edited)

Hello all, 

i have a huge problem that it bothers me on my cayenne CS 04 9PA to the point that i got really depressed...

The key decides randomly to respond or not to locking / unlocking which makes me panic every time i am leaving / coming into the car. 
the red flashing light sometimes goes on and sometimes off completely ( not flashing neither detecting the key ).

Although when i mechanically open it and put the key in the ignition and start it the alarm will go on and never goes off.

i got the car to the only porsche dealer in Tunisia and they Said i need a new Alarm unit ( Kessey) which i bought and installed, reprogrammed the keys but the problem never gone away.

i drove it back and they told me to leave it. Now it is 2 weeks after and everytime i call them they say it is working.

i went to get the car and as soon as i used the second key the indicators instead of flashing they stayed on for a long while until i clicked again the button.

i am suspecting a corrosion somewhere but this randomness of working / not working make me think it is a relay or another unit ( maybe the comfort controlling module on the back ) is the problem.

We diagnosed it with Launch X and also at the dealer and we have no signs of bad antennas or any other problems apart from an air mass sensor that i am going to change anyway ( i am buying it from abroad since it costs 1100 dollars aprox at The dealer ).

please guys if anyone can recommend anything let me know.

Edited by Khaled Doulami

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