Hi needs some help i fitted an aftermarket stereo to my audi a4 cabriolet yesterday . Since i installed it my cars alarm keeps randomly going off the stereo was plug & play so no wire cutting . Any advice greatly apprieciate .
I'd try unplugging the new stereo. & see if it still happens.
If it doesn't then the batteries in the alarm siren box have probably leaked on the internal PCB, which causes the alarm to go off randomly.(common problem on Audi's)
Ok nive one where is the unit mate?
I have taken the stereo out see what happen's over the next couple of day's. I have contacted xtrons & they have suggested it might be there canbus interface draining battery voltage thus setting the alarm off .
Ok guys its defo the new stereo causing the alarm to go off . The new stereo is an xtrons PF72A4AGTR unit with sat nav etc with a can bus decoder every thing works the can bus interface works on the dash display etc . With the new stereo fitted the car alarm randomly goes can be 2-3 hours or 6-8 hours between the times it goes off . i have left the car with no stereo fitted for a couple of days & the car alarm does not go off !!!! I have reinstalled the OEM stereo & the alarm does not go off !!! refit the PF72A4AGTR stereo & after a few hours the car alarm goes off . Any ideas greatly appreciated .
Ok guys my alarm is now going off with the OEM stereo fitted . How do i check the alarm unit to see if it's causing it . It seemed to take a day or so before it would go off bit now its going off every few mins . How do i stop it ?
I done a double din conversion when i fitted the stereo could i have done something to cause it ?