bazdubai

well I have now been without sat nav stereo and ph system since Nove. Porsche in the UAE (Dubai) are wonderful people (not) although from other peoples experiences it would appear customer service is not a word in the German Porsche vocabulary!! Love the car but hate the people behind them. haing been booked in 2 weeks ago and arrived to have a new PCM module fitted (this is what they believe is the problem- I am not so sure) they apologised and said that they had the wrong part. How long does it take to order and deliver a part ...Nov till now!!! crazy anyway it goes in tomorrow at a cost of 7000 aed for the part! I am not expecting it to be working, but stranger things have happened.

Will update tomorrow if I get the chance

Baz

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.

I have just encountered the same problem, no changes made to the system simply turned on and it failed to work, my local dealer in Dubai reckons it is a faulty ph module and as it is connected in line causes all the related systems to fail. I have the car booked in in Jan now but would love to get some feedback here as am wary of being charged an arm and a leg to have various bits replaced that may not be necessary by people who lack the real skills and interest to find out the real issue. Help indeed!! hope someone has an answer!?

Baz

I have the same problem error msg - "system error:navigation system, amplifier, CD changer, phone not available" I have removed and checked fuses, and then took to my Dubai dealer who ran the diagnostics, nothing explained to me if something came up or not as not allowed to stay with their engineers, but they did disconnect the battery to try and reboot the system and eventually they reached the conclusion that the phone module is faulty (they said this is connected in line to all the other elements so if this goes down nothing else works!) do I believe them? dont know - this Turbo 05 model uses a motorola module and they did not have one to see if this was the problem but I have to say I am dubious and wonder will they simply replace various bits of kit at great expense when it may be a simple problem somewhere. I have not changed anything simply was working one day and not the next! So if anyone can shed light on this I would be most grateful.

Regards Baz