Member Since: 01 Jun 2018
Location: Newcastle
Posts: 18
Brake lights come on when lights switched on, HDC off + low
Hi all - i switched on the headlights then 20 mins later the HDC deactivates, the car lowers and the brake lights come on permanently.
If i stop and re start it all resets fine.
Anything Ive missed here in the search as i can see plenty on the HDC etc but nothing on brake lights being stuck on.
Thanks in advance
13th Jul 2018 12:02 pm
jeeptj
Member Since: 22 Jun 2018
Location: Washington
Posts: 34
have you checked your brake switch ?
13th Jul 2018 12:19 pm
michaelhugh
Member Since: 01 Jun 2018
Location: Newcastle
Posts: 18
just looking now on how to do it - thanks for reply, assume this must be a common problem. the brake lights work fine when the main lights arent on.
thanks for reply
13th Jul 2018 12:25 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10372
ideas
1) replace both brake light bulbs with good quanity ones. Osram, Ring
For the cost got to be worth a go! And not unknown on these
2) bad earth at rear of car ? or rear clusters
13th Jul 2018 2:00 pm
michaelhugh
Member Since: 01 Jun 2018
Location: Newcastle
Posts: 18
1) replace both brake light bulbs with good quanity ones. Osram, Ring
For the cost got to be worth a go! And not unknown on these
2) bad earth at rear of car ? or rear clusters
bad earth would probably show up if the intensity of the lights changes when other rear lights are lit. ever followed a Fiat Punto of about 2003 vintage ?
13th Jul 2018 3:34 pm
jeeptj
Member Since: 22 Jun 2018
Location: Washington
Posts: 34
As the brake light bulb and the brake switch are known problems that cause stupid unexplained problems and given there low cost I would recommend them first, Osram Bulbs can be got from europarts. If it still does it after that you will need codes read to diagnose more, after you have replaced these bits i would read the codes keep a record and then clear them so you are starting with a blank canvas so to speak.
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