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Coding 992

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Old Dec 23, 2025 | 07:41 PM
  #1096  
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Originally Posted by siberian
But if he's got a power supply connected (not a trickle charger I hope) it should have enough current to clear the error, no? Happy hols Mars!

siberian
I had a 100A supply, It was drawing over 50A when I initially connected it. I would assume the spoiler module would have enough 'juice' to do its thing.
PIWIS was reporting 13.8 to 14.1V while connected.

Agreed, Happy Holidays to all!
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Old Dec 24, 2025 | 12:39 AM
  #1097  
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I received an update from my Dealer SA. He indicated that they had to drive the car from the body shop to the dealer to clear the rear spoiler fault.
He also informed me that the Aero control module (PAA 907 483) may be damaged due to the low/dead battery. He said this is a known issue when the battery goes low or dies. WTF?
I'm not getting a good feeling from my local Dealer 'service'. They did replace the windshield of my 2022 C2S under warranty and provided a loaner. When they completed the job they took my car for a 'test' drive and it got rear ended!

The service technician is okay as well as the other driver, thankfully. The collision was minor and as far as I know the damage is limited to the rear plastic bumper.
But wait, it gets better. While waiting for the insurance process they let my 992 sit idle for over 2 weeks. This inactivity put stress on the 4 year old battery and it is most likely now toast and in need of replacement ($650 + labor). I guess I was due.

The repair for the rear bumper is $2419 and is covered by the other drivers insurance. The result of the collision is going to cost me an extra $650 for a battery and now $420 for an Aero module (PAA 907 483). I have no idea what they are going to charge for install of the Aero module. They claim this module controls the rear spoiler and the front hood. My SA tinks it is located behind the rear seat.

I have a week to mull over my next course of action. Sorry for the rant in the Coding 992 section

Is the Aero module really toast, did Porsche source or make a module that is that fragile?

Anyone else have this issue?
Any way to recover the functionality of the Aero module other than replacement?
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Old Dec 24, 2025 | 01:04 AM
  #1098  
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When the SA "thinks" it's something it's time for an indie or other repair place. Talk to the receptionist she might have another "thought"
siberian
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Old Dec 24, 2025 | 01:25 AM
  #1099  
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Originally Posted by siberian
When the SA "thinks" it's something it's time for an indie or other repair place. Talk to the receptionist she might have another "thought"
siberian
Agreed, I don't have much trust in the knowledge of the SA, he was a parts guy before being a SA. If the service technician confirms it is the Aero Module I will go online and get it for half the price and install it myself.
I want to get my car out of there as soon as possible. I just get jankey feeling from them. They put my car in 'Privacy Mode' so I can't see what is going on. I turned it on once already. I do have a dash cam. I hope they did not shut that off too.
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Old Dec 24, 2025 | 01:46 AM
  #1100  
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If the aero modules still shows up in piwis,
Re-flashing and re coding may fix it.


Last edited by rnlst_log; Dec 24, 2025 at 02:01 AM.
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Old Dec 24, 2025 | 06:00 AM
  #1101  
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Car was fine then got rear ended, now you have a fault with the spoiler. I’m going to go out on a limb and say this is a dealer responsibility not yours. That’s part of the rear end. The battery going flat because they let it sit for 2 weeks is on them as well. I’d rope the service manager in to this conversation and have them rectify all of this on a goodwill basis. If not time to speak to the GM as well. Amateur hour at the service dept there.
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Old Dec 24, 2025 | 06:18 AM
  #1102  
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Originally Posted by dixonk
Car was fine then got rear ended, now you have a fault with the spoiler. I’m going to go out on a limb and say this is a dealer responsibility not yours. That’s part of the rear end. The battery going flat because they let it sit for 2 weeks is on them as well. I’d rope the service manager in to this conversation and have them rectify all of this on a goodwill basis. If not time to speak to the GM as well. Amateur hour at the service dept there.
Agree 100%. It's not a Chevy Spark at the GM dealer. Porsche asks a premium price, demand premium service.
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Old Dec 24, 2025 | 06:20 AM
  #1103  
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You may also want to have a conversation about diminished value with the dealership and get the details of the other driver. This repair will show up on your car fax.

Also, what kind of dealership let's a customer's car idle for 2 hours to charge a battery!
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Old Dec 24, 2025 | 09:45 AM
  #1104  
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Originally Posted by Earle
I received an update from my Dealer SA. He indicated that they had to drive the car from the body shop to the dealer to clear the rear spoiler fault.
He also informed me that the Aero control module (PAA 907 483) may be damaged due to the low/dead battery. He said this is a known issue when the battery goes low or dies. WTF?
I'm not getting a good feeling from my local Dealer 'service'. They did replace the windshield of my 2022 C2S under warranty and provided a loaner. When they completed the job they took my car for a 'test' drive and it got rear ended!

The service technician is okay as well as the other driver, thankfully. The collision was minor and as far as I know the damage is limited to the rear plastic bumper.
But wait, it gets better. While waiting for the insurance process they let my 992 sit idle for over 2 weeks. This inactivity put stress on the 4 year old battery and it is most likely now toast and in need of replacement ($650 + labor). I guess I was due.

The repair for the rear bumper is $2419 and is covered by the other drivers insurance. The result of the collision is going to cost me an extra $650 for a battery and now $420 for an Aero module (PAA 907 483). I have no idea what they are going to charge for install of the Aero module. They claim this module controls the rear spoiler and the front hood. My SA tinks it is located behind the rear seat.

I have a week to mull over my next course of action. Sorry for the rant in the Coding 992 section

Is the Aero module really toast, did Porsche source or make a module that is that fragile?

Anyone else have this issue?
Any way to recover the functionality of the Aero module other than replacement?
More then likely they had to re-install or replace the rear spoiler, so now it needs to be calibrated. Simple process to do for any Porsche tech worth a damn. I code spoilers out and calibrate them all the time. Good luck! Yes, the module is behind the rear seat under the carpet. No reason that should be "damaged" by low voltage. That happens all the time without issue, so maybe get your car out of there ASAP.
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Old Jan 14, 2026 | 04:00 AM
  #1105  
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Anybody program there spoiler height? Is this only accessible through the PIWIS systems?

New to the Forums - thanks for any help!
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Old Jan 14, 2026 | 04:04 AM
  #1106  
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Originally Posted by omegroupalberta
Anybody program there spoiler height? Is this only accessible through the PIWIS systems?

New to the Forums - thanks for any help!
Many will use ST settings or change the speeds at which spoiler deployment occurs. You will need somebody with PIWIS to perform the changes for you.
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Old Jan 14, 2026 | 04:16 AM
  #1107  
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On my old 991.2 Turbo - you could code with the ThinkDiag based on coding values - same concept to set preset values at stages on PIWIS?
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Old Jan 14, 2026 | 04:43 AM
  #1108  
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Originally Posted by omegroupalberta
On my old 991.2 Turbo - you could code with the ThinkDiag based on coding values - same concept to set preset values at stages on PIWIS?
I’ve heard of ThinkDiag, but I have no personal experience with it. It might get the job done.
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Old Jan 19, 2026 | 09:54 PM
  #1109  
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Originally Posted by Porschetuner2005
More then likely they had to re-install or replace the rear spoiler, so now it needs to be calibrated. Simple process to do for any Porsche tech worth a damn. I code spoilers out and calibrate them all the time. Good luck! Yes, the module is behind the rear seat under the carpet. No reason that should be "damaged" by low voltage. That happens all the time without issue, so maybe get your car out of there ASAP.
UPDATE:
According to the service tech the module was damaged. I pushed back on my service advisor and I did not want the dealer to do anything more to my car, they already cost me a new battery. My service advisor called the following day and told me they were going to cover the module replacement under warranty. My car was technically still in warranty when I dropped it off to have the windshield replaced. I am still troubled as to why that module is so sensitive to a low battery. I would think if it could be cleared with programming and a reset the service tech would go that route ranter than replace a module.
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Old Jan 20, 2026 | 03:41 PM
  #1110  
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Originally Posted by Earle
He also informed me that the Aero control module (PAA 907 483) may be damaged due to the low/dead battery. He said this is a known issue when the battery goes low or dies. WTF?
Hey Earle I'm going to only respond to this issue about Porsche claiming that a low battery dmaged you Aero Control Module.... its utter boloney. A low battery does not damage electronics like this. Its so ridiculous for them to claim, people get low batteries all the time it doesn't damage anything. I had the same experiance my my Porsche Dealer, my issue was I had a GT3RS, and it just locked in the driveway without being moveable due to a brake sensor failure... then they called me to tell me of the brake sensor failure and that is was caused because I had an Antigravity Lithium Battery in the car, which made it fail, and the cost would be $5k. I told them in a nice way that they must not understand how electronics work and that I will easily prove out this is utterly impossible that a battery is causing a sensor to fail, because the car alternator is the item that is contantly raising voltages or allowing them to go lower, not the battery and secondly all the parts on a car are designed to handle all the electrical voltage changes and current changes, lastly I informed them that Porsche is supplying their Cars with Lithium batteries for many years prior, so how can they blame a lithium battery for the issue. I was so frustrated I then just said you had just better fix the problem or I would not hesitate to take this to court. It was only the threat that made them call me later and say they would cover it. I was utterly disgusted by this type of utter nonsense and blantant lying.
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