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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series & 8 Series > 7 Series - E65 / E66 (2002 - 2008)

7 Series - E65 / E66 (2002 - 2008)
Discussion of BMW's 4th generation E65/E66 7 Series flagship. The E65 generated much controversy, due to its radical styling and iDrive user difficulties. Nonetheless, the E65 broke records to become the best-selling 7-series iteration ever, especially after its 2005 facelift.

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  #1  
Old 11-23-2013, 09:28 PM
golf4dj golf4dj is offline
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Passive Go Module Replacement - Does it need programming

Reaching out to the experts.

A few weeks ago a good rainstorm resulted in water getting into the trunk of my 2007 E65. After this storm my key fob would not remotely open the doors or the trunk. It would also not not start the car unless it was in the ignition nor could I open the car doors using the comfort access door feature. In other words, the comfort access and the key fob remote functions were not working.

I assume that my passive go module (pictured) was damaged as it sits right next to my Park Distance Control Module which was damaged and resulted in the error messages on the Idrive. When I removed both modules over a week after the storm they were both still very wet inside.

Anyway, I replaced the Park Distance Control Module with a used unit and that system is back working as it should with no programming necessary (plug and play). However, I replaced the Passive Go Module with a used unit and the key fob and comfort access remote functions still do not work (no change at all - key fob in the ignition still starts the car).

Does the Passive Control Module need to be programmed to the vehicle and if it does, can someone point me in the right direction on how to get that done?

Thanks in advance,
DJ
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  #2  
Old 12-05-2013, 06:25 PM
stuartjohn24 stuartjohn24 is offline
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Hi,

I dont believe it needs coding as the CAS does all the authorisation the passive go module just sends the data from the handles and antennas to the CAS to process.

Personally i would remove the PCB and dry it out for a few days, if its been wet an powered for a while you will almost definitely have corrosion, like a white powder around conductors and legs of IC's. Clean this off with alcohol and dry the board out, it will probably function fine once its dried out.

The baord is lacquered from memory, so if water has managed to find its way under components it will take a while to dry out, stick the PCB in the oven under 100 degrees celcius for a few hours to ensure its properly dried out.

Stuart
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  #3  
Old 03-03-2015, 12:05 AM
rogerdiaz rogerdiaz is offline
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Location: Durham, NC
 
Join Date: Sep 2010
Posts: 30
Mein Auto: 2011 BMW 335d
Quote:
Originally Posted by golf4dj View Post
Reaching out to the experts.

A few weeks ago a good rainstorm resulted in water getting into the trunk of my 2007 E65. After this storm my key fob would not remotely open the doors or the trunk. It would also not not start the car unless it was in the ignition nor could I open the car doors using the comfort access door feature. In other words, the comfort access and the key fob remote functions were not working.

I assume that my passive go module (pictured) was damaged as it sits right next to my Park Distance Control Module which was damaged and resulted in the error messages on the Idrive. When I removed both modules over a week after the storm they were both still very wet inside.

Anyway, I replaced the Park Distance Control Module with a used unit and that system is back working as it should with no programming necessary (plug and play). However, I replaced the Passive Go Module with a used unit and the key fob and comfort access remote functions still do not work (no change at all - key fob in the ignition still starts the car).

Does the Passive Control Module need to be programmed to the vehicle and if it does, can someone point me in the right direction on how to get that done?

Thanks in advance,
DJ
What was your outcome? I have the same question/situation. I narrowed it down to bad module. should I even buy a new comfort acccess module? Thanks
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  #4  
Old 12-15-2015, 12:18 PM
thestimp thestimp is offline
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Location: Pittsburgh, PA
 
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Posts: 3
Mein Auto: E92 335
I'm in this boat as well, except my key fob works, but my comfort access does not.

How do I check the door handles and such for shorts in wiring?
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  #5  
Old 12-15-2015, 01:35 PM
PAPER's Avatar
PAPER PAPER is online now
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Location: on the moon
 
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Quote:
Originally Posted by thestimp View Post
I'm in this boat as well, except my key fob works, but my comfort access does not.

How do I check the door handles and such for shorts in wiring?
You have to remove them to check them.
Go to the DIY section, there is a topic there
On how to remove them
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  #6  
Old 07-17-2016, 04:47 PM
RyanDavies RyanDavies is offline
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Shot PM with question.
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  #7  
Old 02-11-2017, 05:07 PM
biggredd15 biggredd15 is offline
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What is the pbc?

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  #8  
Old 02-11-2017, 05:13 PM
biggredd15 biggredd15 is offline
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Location: Syracuse N.Y.
 
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Mein Auto: bmw 750 LI
I too have a similar problem comfort access on doors not working at all passive go works trunk working and now no audible or visual tone from siren replaced passive go module in the trunk to no avail..what do i need to do?

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  #9  
Old 02-11-2017, 06:57 PM
Ggreg Ggreg is offline
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Location: OH
 
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Quote:
Originally Posted by biggredd15 View Post
What is the pbc?

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Assuming you are asking about a PCB it is an abbreviation for a Printed Circuit Board.
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  #10  
Old 02-11-2017, 08:15 PM
biggredd15 biggredd15 is offline
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Location: Syracuse N.Y.
 
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Mein Auto: bmw 750 LI
Ok thank you ..new here having problems with my 750li i appreciate the response..

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  #11  
Old 02-17-2017, 04:51 AM
biggredd15 biggredd15 is offline
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Location: Syracuse N.Y.
 
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Mein Auto: bmw 750 LI
Update 07 750li passive go key in pocket
works always, locking unlocking with handles intermittent no response, locking unlocking with key fob always works car goes into deep sleep intermittent most nights not always if it sits over an hour , cd changer and radio presets every day ...carly for bmw says Click image for larger version

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  #12  
Old 02-17-2017, 04:58 AM
biggredd15 biggredd15 is offline
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Location: Syracuse N.Y.
 
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Sorry about the doubles ..im new...but .. thanks in advance for any help..and now that I know how here is a some pics of my 750li..Click image for larger version

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Thanks again all for any help or suggestions...

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