Aston Martin DB7, DB9, DBS, Vantage V8, Vanquish, and Classic models

2014 DB9 electrical problems after winter storage

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Old Yesterday | 12:03 PM
  #31  
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Originally Posted by LaserK04
Glad this was helpful. If I didn’t notice the odd
behavior of the mirror I would still be trying to convince myself it was the AUU.

I am unsure what to do next. I do have problems with my driver door glass not always dropping enough to clear the top, despite many attempts to reset it. I am tempted to replace both modules if I can buy them right. Pricing seems to vary quite a bit between vendors. I have a call in to my dealer to see about flashing new modules.
I don't think the module I need is available new. Not sure about yours. I know the general opinion is that new ones need to be flashed, but I did see a Facebook post where a guy said he replaced both modules with new ones and they both worked fine right out of the box. Maybe he just got lucky, but lucky on two of them??? I don't remember the specifics about year or model of the car. May be worth trying if you can find them new. You may also want to check ebayUK for a used one...then you'll have to hope they'll ship to the US.
 
Old Yesterday | 12:24 PM
  #32  
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I am no expert on this whatsoever, but it does seem that I can buy the DB9 door modules new. Prices seem to be all over the place.

My understanding is the only way to get them to work without a dealer flash is if they come from the exact same car (in my case a DB9.2 Volante). I have no idea if the new modules you can buy from the various parts suppliers have any software flash on them at all.

There are a few Aston experts lurking here. Maybe they could chime in on this issue.
 
Old Yesterday | 12:37 PM
  #33  
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Contact astonmartinbits by email. They're very knowledgeable about door modules & matching them to your car.
 
Old Yesterday | 12:44 PM
  #34  
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Originally Posted by yvr
Contact astonmartinbits by email. They're very knowledgeable about door modules & matching them to your car.
Thanks. Just did that. Module prices seem almost too good to be true.
 
Old Yesterday | 01:17 PM
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You should be able to swap without programming if they're verified to come from the *exact* same specification of car and swapping like for like with old style or new pektron. Changing type always results in a vehicle CCF edit and reflash of the CEM and door modules. Also, ordering from GB won't work for this since the driver/passenger modules are swapped left to right. The result will be the windows and mirrors will operate inverted. Undesirable. I ran into this with mine and the fix was a flash and VIN relearn with my AMDS.

Also, make sure you have a good history on any modules. Check VINs online for the vehicle salvage reason. Reject any ebay listings where you find flood damage. You'd be shocked how many there are.
 

Last edited by GA_DB9; Yesterday at 01:19 PM.
Old Yesterday | 05:18 PM
  #36  
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That’s for sure. All 3 modules I have inquired about so far were all from Florida flood cars. The module looks
unsealed, so no chance that’s worth the risk.
 
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