Electronic parking brake

[Darren s-line]

Hi,I'm wondering if anyone can help me,I have a 2012 A5 s-line black edition,just lately it has developed a strange problem with the electronic parking brake,it seem to operate fine,sounds like both motors are operating as they should,the problem is when I switch ignition off and lock the car the led light on the handbrake switch is staying on and the P light on dash for parking brake stays on? Having googled I was told it was probably a faulty switch,so changed that and problem still the same??

Has anyone else come across this problem or have any solutions? Thanks ..

[Stevey Y]

1 hour ago, Darren s-line said:

Hi,I'm wondering if anyone can help me,I have a 2012 A5 s-line black edition,just lately it has developed a strange problem with the electronic parking brake,it seem to operate fine,sounds like both motors are operating as they should,the problem is when I switch ignition off and lock the car the led light on the handbrake switch is staying on and the P light on dash for parking brake stays on? Having googled I was told it was probably a faulty switch,so changed that and problem still the same??

Has anyone else come across this problem or have any solutions? Thanks ..

Hi what should happen is you lock the car and the brake light on the switch stays on for about 30 secs to a min and then it should go out.

Steve.

[Darren s-line]

4 minutes ago, Stevey Y said:

Hi what should happen is you lock the car and the brake light on the switch stays on for about 30 secs to a min and then it should go out.

Steve.

Hi,thanks,yes unfortunately it's not going out,just stays on,as I said tried replacing the switch it's self but made no difference,very annoying.

[Stevey Y]

5 minutes ago, Darren s-line said:

Hi,thanks,yes unfortunately it's not going out,just stays on,as I said tried replacing the switch it's self but made no difference,very annoying.

Hi it sounds like a problem with the switch was the replacement new?

Steve.

[Darren s-line]

3 hours ago, Stevey Y said:

Hi it sounds like a problem with the switch was the replacement new?

Steve.

No I got two from local breakers one of a 2016 and the other of 2015 tried them both,just the same,I would be very surprised if both were faulty

[Stevey Y]

52 minutes ago, Darren s-line said:

No I got two from local breakers one of a 2016 and the other of 2015 tried them both,just the same,I would be very surprised if both were faulty

Hi its either a switch problem which you have ruled out or wiring fault where the live feed to the switch is not shutting down, have you any access to OBD Eleven or similar, this would throw a fault for the electrics and I can't imagine the switches are coded but will do some digging.

Steve.

[Stevey Y]

Hi try this simple reset first, with the car in neutral engine on disable the hill assist button then apply the foot brake and turn off the handbrake, leave for thirty seconds then manually pull the switch up twice and then down twice and again up twice turn the car off and see what happens.

Steve.

[Darren s-line]

13 hours ago, Stevey Y said:

Hi try this simple reset first, with the car in neutral engine on disable the hill assist button then apply the foot brake and turn off the handbrake, leave for thirty seconds then manually pull the switch up twice and then down twice and again up twice turn the car off and see what happens.

Steve.

Hi,thanks for that,it's seems to have done the trick now, much appreciated 👍

[Darren s-line]

14 hours ago, Stevey Y said:

Hi its either a switch problem which you have ruled out or wiring fault where the live feed to the switch is not shutting down, have you any access to OBD Eleven or similar, this would throw a fault for the electrics and I can't imagine the switches are coded but will do some digging.

Steve.

It came up with this originally,changed switch and done reset you suggest and seems to be ok now