Third Brake Light Warning

Technical Forum for the Porsche Macan
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FRANKFIXIT
Posts: 17
Joined: Wed May 02, 2018 7:51 pm

Third Brake Light Warning

Post by FRANKFIXIT » Wed Jul 25, 2018 10:26 pm

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?


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MEO
Posts: 76
Joined: Sat Nov 07, 2015 9:41 am

Re: Third Brake Light Warning

Post by MEO » Wed Jul 25, 2018 11:10 pm

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.
Macan S, VG/Luxor March 2017, http://www.porsche-code.com/PHBYR1K2 purchased March 2018, thanks to Bigboyrolo
Macan 2.0 delivered April 2016 http://www.porsche-code.com/PHT9DZY7 SOLD


gasgas1
Posts: 27
Joined: Thu Jul 19, 2018 8:35 am

Re: Third Brake Light Warning

Post by gasgas1 » Tue Jul 31, 2018 7:57 am

try a pressure wash, pay particular attention around the wheels and discs, very often little bits get stuck around the pads etc.


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D3LMO
Posts: 1
Joined: Thu Nov 10, 2016 4:54 pm

Re: Third Brake Light Warning

Post by D3LMO » Wed Aug 01, 2018 12:33 pm

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


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