Altea XL 07 Alarm constantly going off

Jan 24, 2019
1
0
HI everyone,

I've recently been having problems with the alarm on my Altea XL 07 Diesel.
The alarm starts to go off after locking it up. Sometimes it goes off after 10 mins, other times an hour, but it always goes off without fail.
I have tried all different methods of locking with the fob but nothing works. I took it to a garage who ran the diagnostics and a lot of codes came up (the one they thought it might be was the rear passenger door) so they were reset and told to come back the next day.
I took it back and different codes came up (tailgate & passenger front door). The car has recently been valeted and the garage believed water had got into the alarm electrics. The floor seems dry at the moment so I am stumped as to what the issue may be.
Would appreciate any ideas I can use to try and solve this mystery!
 
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