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Discussion Starter #1
Hi

This is my first post so apologies for coming in with a strong query. I am very worried about this problem though so hoping someone can help.
A few weeks back I was in my Peugeot 407 SE HDI and broke hard to stop at some traffic lights. As I was stopping a warning flashed up on the screen stating "ESP/ASR System Fault" and was then quickly followed with "speed system fault".
I was able to get rid of the speed system fault simply by switching off the cruise control selection switch thing on the steering column stork. However, it would return if I put it back on.
The ESP fault would no go though even though I was pressing the button to switch off ESP. During this though the car drove fine and if it weren't for the beeping you would thing it was fine. I pulled over and switched off engine and when I switched it back on the ESP fault returned. I did this once more and this time the fault disappeared.
The problem had not occurred again and the car was driving fine until yesterday morning when on the drive to work the exact same problem occurred and the same process removed the faults (from the screen and beeping) only for them to again return today 3 times.
I wondered if it was the Cruise Control interfering somehow so switched this off (I normally leave it on and just activate it by pressing the paddle to set the speed) but have since gone on a test drive this evening and found that the fault for ESP returned on its own. Again though pulling over switching off the engine and back on made it think it was fine and I was okay to drive off only for it to not happen again over the next 20 minutes try as I might to cause it.
It seems to come on when I am braking and then throw a wobbly until I switch off the engine. At which point it will kick up the error again but when I drive off realise its okay actually and disappear.
I am really worried about this partly because of the cost aspect but mainly because I use it to take my daughter to nursery every day and really worried the car is unsafe. Please help
 
C

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Hi,

You really need to get fault codes read to be sure of what the problem is. Most common fault on 407's is the faulty abs sensors which would bring this fault up. I've had this on a couple of occasions and drove the car for months like this and I know others that have done the same.
Try and find someone close to you with planet take a look at the list in the link below

http://www.peugeotforums.com/forums/maintenance-9/diagnostic-peugeot-planet-map-7734/

Cris.
 

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Discussion Starter #3
Okay I have just rung the AA actually who apparently will be able to read fault codes. Will that be the same thing?

If it is the ABS sensor is that a pricey affair? I really shouldn't read the internet after 5pm I think as I have been reading stuff about ABS pumps needing replacing at £1500

Excuse my ignorance here but if it is the sensor at fault will the fault code tell me that?
 
C

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Sensors are £30 to £40 plus fitting.

Depends on what AA use to read codes!!
But codes will tell you which of the four sensors are faulty if that is the fault!!
 

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Discussion Starter #9
Well Mr AA man has just left and he managed to get the fault to appear by applying the brake really hard in a stationary position and at the same time the brake light DID NOT come on. Then the fault appeared and went away after and restart of engine and reapplication of brakes when the light decided to work again. He therefore thinks its probably the brake switch which apparently isn't that costly. However, without doing diagnostics in the ABS (he only had engine management which showed nothing) he couldn't tell 100% and recommended I get these done to confirm his findings.
So I will now be trying to find someone cheaper than Peugeot (who want £96+vat for diagnostics) to hopefully confirm it's a brake switch!
Apologies for the poor layout of this reply. I'm doing it on my iPhone!
 

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Discussion Starter #11
Nice one thanks. Catalistt is my closest one so I have posted a message in that thread asking how to contact him/her
 

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I'll bet money on it that it is a dodgey brake light switch - had mine go last year, with EXACTLY the same symptoms. A dodgey brake light switch is bound to stop cruise control working for obvious reasons. New brake light switch is approx. £26 - then its up to you if you fit, or dealer fit - I couldn't be bothered so Peugeot fitted it and cost £60 for part & labour, plus they didn't charge any diagnostic fee as the error was on the screen - just a simple check for ABS sensor or brake light switch.... and if you've had the brake lights fail to work, I know where my money will be :thumb:
Just get it done soon, as you're driving without brake lights!!
 

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Whenever I have had the ABS/ESP light come up on my 307SW it has been the brake light switch. A couple of times now I have given it a good soaking with electrical contact cleaner which has been good for a while but I do now have a new switch coming!! :thumb:
Phil
 

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On my 407 a HDI SE an 04 plate I have had a warning for a while for either "faulty indicator light" or "faulty drivers side brake light" but all the brake lights have always and still do work normally only occurs now and again. The local dealer said it could be the bulb bouncing in the fitting but I have checked them all and they seem fine. The thing is in the last month a ESP/ASR warning has been intermittantly popping up usually when braking heavily but not always. The fault dissapears after a while and can come back 5 min later or 7 days later. Would this likley be the brake light switch or an ABS sensor. After reading this thread kinda thinking it maybe the brake light switch.

The think that makes me wonder which is its only occured after I had new discs on the front and the rear discs and caliper sliders cleaned

If anyone has any ideas would be great.
 

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Discussion Starter #18
Sorry guys I should have replied to this ages ago but the week has run away from me.

Basically as it was left I needed to get the diagnostics done on the ABS as the AA didn't have access to the ABS ones, only the engine management.
I rang Peugeot who wanted £96+VAT for the pleasure of just reading the diagnostics. No fix.
I rang another local garage who specialise in Peugeots and Citroens and they wanted £42+VAT to do diagnostics, no fix.
In the meantime the fault developed further and was now telling me every time I broke that the was a faulty brake light. No bulb blown. And after a few of these would sometimes switch to the ESP fault.
I rang a friend (who is a mechanic) who rang a friend who said he could do the diagnostics for £5. Went round the blokes house and in 60 seconds of plugging the machine in he said that I have a number of errors (ESP, bulbs etc) which were all pointing to the brake switch.

My mate ordered one of these at £22+VAT the following day and fitted it for me within ten minutes. Fingers crossed the car has been working perfectly since! Happy days.
Hope that helps a little with your problem Shakari
 

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On my 407 a HDI SE an 04 plate I have had a warning for a while for either "faulty indicator light" or "faulty drivers side brake light" but all the brake lights have always and still do work normally only occurs now and again. The local dealer said it could be the bulb bouncing in the fitting but I have checked them all and they seem fine. The thing is in the last month a ESP/ASR warning has been intermittantly popping up usually when braking heavily but not always. The fault dissapears after a while and can come back 5 min later or 7 days later. Would this likley be the brake light switch or an ABS sensor. After reading this thread kinda thinking it maybe the brake light switch.

The think that makes me wonder which is its only occured after I had new discs on the front and the rear discs and caliper sliders cleaned

If anyone has any ideas would be great.
its a faulty earth on one of your rear lights pm me your email address and i'll send you the 'how-to' guide
 

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its a faulty earth on one of your rear lights pm me your email address and i'll send you the 'how-to' guide

Hmm I need to make some more posts before i can do any PM's. Is there any links to it by any chance?

Oddly *touch wood* I have had none of either problem since making the post.
While its likley a temporary respite hehe

Thanks for the help :) both to bezzawezza and Trem1.

While I think it could be a earth fault and if I get get the how to guide I'll check that out but knowing about the issue with the foot brake switch is also a large bonus as would never have guessed that could cause the problems it seems to.
 
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