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tigerd

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About tigerd

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    porsche cayenne s
  1. ok could you send me a pm mate regarding this, am i correct in saying i need to remove the head unit and check the connections there? or do i need to check the fibre optic loop from the amplifier? thanks
  2. :welcome: Please state your location - and perhaps someone here with a PST2 or PIWIS can check it for you. hi UK NORTHERN IRELAND, as i have said it has been on the diagonstic system at PORSCHE BELFAST and it displayed no faults on the diagonstic system even though it was displayed on the pcm
  3. I have a 2005 cayenne s. The PCM had been working fine up until the last few months. Nearly everytime you get into the car now and start it up the PCM comes on however the SAT NAV, AMPLIFIER and PHONE will not work. A message stating SYSTEM ERROR PHONE, NAVAGATION & AMPLIFIER NOT AVAILABLE. I spoke to the specialist at my local Porsche dealership about this and he said he would need to get the car onto the diagnostics to identify the fault. I arranged to bring the car down to him when the fault appeared again. As i stated this problem occurs nearly everytime you get into the car, however there are times when you get in turn the ignition on and the system works ok. On three separate occasions i brought the car down to my local porsche dealership when the fault occured, but on each occassion ie ( after i got out of the car, locked it and went into find the service manager and came back out to the car) it had reset and was working. Making me to look like an absolute twat.!!! Last week i was able to get the car onto the diagnostics when the fault occured. To my surprise and the service managers surprise no faults were being registered, even though the system error message was clearly visible on the head unit. Stephen the service manager spoke with the head service specialist at the dealership and he said that in his opinion he thinks the problem lies with the BOSE AMPLIFIER in the boot. Of course an AMPLIFIER isint cheap £800 fitted i believe, and this mighnt even been the cause of the fault. Stephen therefore said he would speak directly with Porsche in Germany and the UK to see if they had come across problems like this before and whether they would be prepared to provide an Amplifier on SALE OF RETURN. IE if it isint the cause of the fault they would let him send it back. To say neither Porsche UK or Germany were helpful is an understatement. Both said they had never came across this problem nor would they be prepared to provide an AMP on sale of return. The fact i paid £58,000 for the car and have had it serviced and maintained (at great expense) through Porsche doesnt seem to matter. I now have the choice of putting up with it or paying £800 for an amp with the real possibility the one i have is not causing the fault. I am therefore looking to see if anyone has had problems like mine with their PCM, what caused the fault and how the fault was diagnosed. Or even any ideas as to what the fault might be with mine from what i have said.
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