Hot!Effects of disconnecting the battery

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Re: Effects of disconnecting the battery 2017/03/06 23:21:46 (permalink)
hi there, I called a Porsche dealer, and he confirmed that radio codes are no longer needed for modern (post 2003?) cars, my 2011 987 included. He said the radio is now programmed to the specific car, so stealing the radio is useless as it wont work in another car.
 
He said its £40 for a code for an older Porsche though! 
 
Battery tip: insulate the lead connectors with a cloth or bag once removed from the battery , to prevent short circuits. Also remove -ve before +ve to remove risk of accidentally frying the cars electrics by touching the body with the +ve.
 
Julian
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Re: Effects of disconnecting the battery 2017/03/19 17:05:47 (permalink)
Can lower battery cause a systems failure on a Porsche 2008 911?  If so, what are the usual systems that might fail, and how to correct them?
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Re: Effects of disconnecting the battery 2017/03/23 10:03:42 (permalink)
Xe pỏcher panamera 3.6 2010
tháo thước lái đi sửa đem về đặt sai góc lái báo lỗi có ai biết cách nào khắc phục không
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Re: Effects of disconnecting the battery 2017/03/25 18:27:40 (permalink)
hi would be gratful for some advice ,have a 2.7 boxster 03 battery went flat  disconnected earth terminal recharged battery  then reconnected all good radio worked cdr23 turned engine off  next day car started radio dead disconnected earth on battery waited a while reconnected  switched on igniton radio workes turn off same thing happened again any ideas thanks
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Re: Effects of disconnecting the battery 2017/06/08 20:10:54 (permalink)
hi there,just got a 2004 cayenne,cant work the sat nav,the curser wont move off Ireland,and I cant put my location in
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Re: Effects of disconnecting the battery 2017/06/12 10:24:23 (permalink)
hello .
i have a 2004 porsche boxster 2.7 s 
it stood for several months in winter and as usual batter went dead.
with a charge vehicle started and produced a flashing red warning light from position 4 to D on the dash indicator tranny dial 
in owners manual   it says transmission fault , the car drives in D and changes reasonably well but  in M there is no difference to D ?  ive lost my tiptronic switches capability on the steering wheel too ... 
im wondering if this really is an electrical fault, OR perhaps a switch problem down at the transmission . also i have been told look at a vacuum pipe for some coolant valve ??? please help Awightmate ....... mrburpi@hotmail.com
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Re: Effects of disconnecting the battery 2017/09/20 20:44:52 (permalink)
Guest
Hello folks I'm new in the forum and I have read your posts but haven't found the answer, maybe you can help me. I recently own a 2001 Porsche 996 turbo tiptronic and the instrument cluster indicates a failure: "ONBOARD COMPUTER ERROR". The display in the instrument cluster doesn't indicate temperature, range of the car or turbo boost pressure and all those kind of average measures.
My mechanic tells me that I should change all the instrument cluster but I don't think there is the problem since all other things such as low gas level alert, no fastened seat belt and others are OK.  Have anyone had this same situation may when havong replacing the battery or know what would I have to repair or change ?
A permanent signal of "ON BOARD COMPUTER ERROR" makes me crazy.
 
Thanks
 
EDUARDO ROZO
erozoferrero@yahoo.com.co


Hi
I have come across this a couple of times now - its usually a coding mismatch on the instrument cluster.
To get rid of it I have had to re-code (with PIWIS) the cluster to match the vehicle spec. This can be caused if the cluster has either been incorrectly coded or it has been swapped from a different vehicle and isn't set correctly (coded) or is the wrong cluster for the car it goes into.
Thanks
 
irb26
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Re: Effects of disconnecting the battery 2017/09/20 20:49:27 (permalink)
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Hello, 
 
many one be able to help me, my battery has died on my 2006 Cayman s. 
 
the battery has been charged, but my radio is black with a red light flashing? I have checked the fuse box. looks like nothing has blowen. any idea how I can get my radio turned on? 
 
Also my engine management light has come on, any idea what this could be as the battery was flat? 
 
Thanks 
 
tom 
 
post edited by irb26 - 2017/09/20 21:06:50
irb26
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Re: Effects of disconnecting the battery 2017/09/20 20:53:20 (permalink)
Guest
hi there, I called a Porsche dealer, and he confirmed that radio codes are no longer needed for modern (post 2003?) cars, my 2011 987 included. He said the radio is now programmed to the specific car, so stealing the radio is useless as it wont work in another car.
 
He said its £40 for a code for an older Porsche though! 
 
Battery tip: insulate the lead connectors with a cloth or bag once removed from the battery , to prevent short circuits. Also remove -ve before +ve to remove risk of accidentally frying the cars electrics by touching the body with the +ve.
 
Julian





Good old Porsche only telling half the truth - it can work in another car - you have to read out the coding on the old radio and write it into the new one and voila - all working again.
There are some other ways of making them work as well with an eeprom read/writer.
Thanks
post edited by irb26 - 2017/09/20 21:13:32
irb26
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Re: Effects of disconnecting the battery 2017/09/20 21:12:26 (permalink)
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hi if anyone could help it would be greatly appreciated
I have a 987 and had it shipped ,they disconnected the battery and now 
psm and abs remains on constantly ,i have reset it with a Autel ds708 
but it keeps coming back a few minutes later.
Any ideas please


Hi
Your car may need a vehicle handover procedure to be completed on PIWIS to get things back to normal - for some reason the 9*7 cars can get all confused if the battery is disconnected and lose functionality (heated seats, headlight washers etc). If it is this then its an easy fix.
Thanks
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Re: Effects of disconnecting the battery 2017/10/12 14:20:58 (permalink)
Hi i was wondering if you could help me, we have a 911 996 carrera 2 and it has not been used for at least over a year, the battery has been disconected and i have just connected the battery this moring to take it for a mot but i can not get tye stereo sat nav unit to switch on, im stuck please help 
Thanks alison
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Re: Effects of disconnecting the battery 2017/10/12 14:49:32 (permalink)
Oh its a 2003
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