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L30N

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    Nottingham, UK
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  • Present cars
    Porsche cayenne S

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  1. Thanks bigbuzuki thats a great description. i will look into the possible causes you have mentioned
  2. Please can you help, I have a 2003/4 porsche cayenne S i have read lots of other threads where this fault has been solved by a new fan. this isnt the case with my fault - A few months back my cooling fan 2 failed (always on, even if I pulled fuse 2 at night and replaced in the morning the fan would ramp up again) and brought up fault P0481 fan 2 control circuit. Porsche replaced my fan and all was well for a few months. Then whenever my engine was turned off the fan would ramp up for 30-40 minutes non stop. I returned to Porsche and they replaced the fan again this time under warranty. This time it only lasted a few hours before it again stays on for 30-40 minutes when the engine is turned off. A bit of background info – the outside temp here in the uk is 0-10 degrees so very cold and even if the engine is started quickly after not running for a day then turned off the fan starts ramping up as soon as the engine is switched off. So the engine is stone cold! The fan does not run while the engine is running. And it runs constantly for 30-40 mins no matter what the engine temp or outside temp is. fault displayed has always been p0481 and is still the same now. porsche say the fan is now definately ruled out they will have to investigate further but charge £144 an hour and have no idea how long it will take. Anybody have any ideas? thanks in advance Leon
  3. Bump. any assistance greatly appreciated as I really dont know what to do next Thanks
  4. I have now purchased a full set of rear sensors and I still have the same fault. Anybody have any ideas as I dont have a clue what to do next?
  5. Hi all, Really hoping you could help me out with a problem im having with my pdc I have a 2004 cayenne s with front and rear pdc I purchased the car 4 months ago and the rear sensors have never worked I just get the 2 red lights on the display when I put it in reverse. I had the dealer plug in piwis and it brought up my nearside outer sensor was faulty (I thought it was this one as there was no pulsing or clicking coming from it.) I have tried swapping with one from the front which of course caused the front to be faulty but the rears are still faulty, but now I can feel the pulse and hear the clicking from the sensor. The piwis shows no faults on the rear now. I have since purchased a brand new rear sensor and fitted this with no luck. Still the 2 red warning lights on the display and the long continuous beep. I have rang the loom out and all cables are fine with 0.3 ohms or less and all connections are clean and all sensors are clean. I have asked my dealer who have no idea now as they say if it was the control module either the fronts wouldn’t work or it would show up a fault on piwis. Any help would be greatly appreciated Cheers Leon
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