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Third Brake Light Warning

Posted: Wed Jul 25, 2018 10:26 pm
by FRANKFIXIT
Third brake light warning appeared today and then disappeared. Checked third brake light and it was working properly when the brake pedal was pressed!
Any ideas please?

Re: Third Brake Light Warning

Posted: Wed Jul 25, 2018 11:10 pm
by Deleted User 887
Had the same last year, warning came up when driving, checked out when I got home all ok. Car was serviced shortly after it happened, OPC said no error codes present and all checked ok. Spurious no idea, hasn't happened again.

Re: Third Brake Light Warning

Posted: Tue Jul 31, 2018 7:57 am
by gasgas1
try a pressure wash, pay particular attention around the wheels and discs, very often little bits get stuck around the pads etc.

Re: Third Brake Light Warning

Posted: Wed Aug 01, 2018 12:33 pm
by D3LMO
Hi
I have just experienced the same problem.An intermittent 3 rd brake light warning.
I removed the unit from the rear spoiler by depressing the spring loaded clip from the side with a small electricians screwdriver.
I found that the terminal socket hadn’t been pushed in properly by Porsche assembly. Make sure that the needle contacts haven’t been bent or damaged
Kind Regards
Dave
Tigger Macan