Alright, managed to pull the CCM out today and have a look at it. None of the wires seem corroded, however the connectors that plug into the CCM itself definitely had some corrosion. I went at it for a bit with a wire brush and cleaned them up before putting everything back in and reattaching the battery (was considering messing with airbag too, but ran out of time)
I drove the car home and then later tonight hooked up VagCom and got a new scan. There are defintely way fewer fault codes than there used to be - specifically reduction(s) or elimination of fault codes in addresses 36,37,46,56,63, and 73. There's a new one in address 3, possibly unrelated? (EDIT: Definitely seems related) The roof code, though, is still there. I'll post the full scan beneath.
Again, when I had it out I verified that the 8EO 959 433 BB CCM is installed in my car. The 8E is the chassis for an A4/B6 of my year - but not the cabriolet (which is what I have). I'm leaning more towards thinking that the incorrect CCM is responsible for the roof not working. But would it explain all the other fault codes?
--------------------------------------------------------------------------------
Code:
Mileage: 127560km-79262miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: 06C-909-559-ASN.lbl
Part No SW: 8E1 909 559 B HW: 8E0 909 059 A
Component: 3.0L V6/5V G 0030
Revision: 00000000 Serial number: AUX6Z0D0465580
Coding: 0013754
Shop #: WSC 00672 785 00200
VCID: 35342B55195AAB9FCEF-5160
1 Fault Found:
18010 - Power Supply Terminal 30
P1602 - 002 - Voltage too Low - Intermittent
Readiness: 0000 0000
-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 01V-927-156.lbl
Part No: 8E0 927 156 AB
Component: AG5 01V 3.0l5VT USA 0505
Coding: 0001002
Shop #: WSC 00672 785 00200
VCID: 6E86C4393C8CD847CF5-5160
No fault code found.
-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 8E0-614-517.lbl
Part No: 8E0 614 517 A
Component: ABS/ESP allrad 4529
Coding: 04497
Shop #: WSC 00672
VCID: 2616FC19D1FCD007775-51A8
1 Fault Found:
01826 - Sensor for Steering Angle (G85); Supply Voltage Terminal 30
35-10 - - - Intermittent
-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 8E0-820-043.lbl
Part No: 8E0 820 043 AM
Component: A4 Klimaautomat 2731
Coding: 00100
Shop #: WSC 00672
VCID: 6C82CE310F902A57E11-513C
1 Fault Found:
00819 - High Pressure Sensor (G65)
30-00 - Open or Short to Plus
-------------------------------------------------------------------------------
Address 09: Cent. Elect. Labels: 8E0-907-279-8E2.lbl
Part No: 8E0 907 279 F
Component: int. Lastmodul RDW 0517
Coding: 00011
Shop #: WSC 00000
VCID: 35342B551C5AAB9FCEF-4AE0
1 Fault Found:
01800 - Light Switch (E1)
27-00 - Implausible Signal
-------------------------------------------------------------------------------
Address 0F: Digital Radio Labels: 8E0-035-593-SIR.lbl
Part No SW: 8E0 035 593 D HW:
Component: SDAR SIRIUS
Revision: Serial number: AUZ4Z7E4006326
Shop #: WSC 00000 000 00000
VCID: 2A0E0829C0D4F46753D-5160
1 Fault Found:
02635 - Tuner Not Enabled/Activated
000 - -
-------------------------------------------------------------------------------
Address 15: Airbags Labels: 8H0-959-655-84.lbl
Part No: 8H0 959 655 D
Component: Airbag 8.4EC 0015
Coding: 0010105
Shop #: WSC 00672 785 00200
VCID: 3B203D6D3F7E7DEF38B-5160
1 Fault Found:
01217 - Side Airbag Igniter; Driver Side (N199)
001 - Upper Limit Exceeded - MIL ON
-------------------------------------------------------------------------------
Address 16: Steering wheel Labels: 8E0-953-549.lbl
Part No: 8E0 953 549 N
Component: Lenksáulenmodul 0611
Coding: 02041
Shop #: WSC 00672
VCID: 3E263479296C68C71F5-4AE0
No fault code found.
-------------------------------------------------------------------------------
Address 17: Instruments Labels: 8E0-920-9xx-8E2.lbl
Part No SW: 8H0 920 980 Q HW: 8H0 920 980 Q
Component: KOMBI+WFS 3 H12 0020
Revision: 0020 Serial number: AUX6Z0D0465580
Coding: 0001231
Shop #: WSC 08212 444 85874
VCID: 3D243375216A73DF06F-5160
No fault code found.
-------------------------------------------------------------------------------
Address 25: Immobilizer Labels: 8E0-920-9xx-8E2.lbl
Part No SW: 8H0 920 980 Q HW: 8H0 920 980 Q
Component: KOMBI+WFS 3 H12 0020
Revision: 0020 Serial number: AUX6Z0D0465580
Coding: 0001231
Shop #: WSC 08212 444 85874
VCID: 3D243375216A73DF06F-5160
No fault code found.
-------------------------------------------------------------------------------
Address 26: Auto Roof Labels: 8H0-959-255.lbl
Part No: 8H0 959 255
Component: VSG B6 CABRIO 6389
Shop #: WSC 00672 785 00200
VCID: 73B0D54D57AEF5AF20B-5160
1 Fault Found:
00470 - Company Comfort Databus in Single Wire
000 - -
-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr Labels: None
Part No: 8H0 959 760
Component: Sitzmemory EE H06 0010
Coding: 00002
Shop #: WSC 00000
VCID: 74B2D6515790F297391-4B1E
1 Fault Found:
02010 - Left Entry Assistance Control Module (J572)
79-10 - Please Check Fault Codes - Intermittent
-------------------------------------------------------------------------------
Address 37: Navigation Labels: None
Part No SW: 8H0 035 192 B HW: 8H0 035 192 B
Component: RNS-E US H52 0020
Revision: 02S Serial number: AUZBZ7E1700023
Coding: 0419137
Shop #: WSC 08057 444 54080
VCID: 2616FC19D4CCD007775-5160
No fault code found.
-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 8E0-959-433-MAX.clb
Part No: 8E0 959 433 BB
Component: Komfortgerát T7B 1311
Coding: 11788
Shop #: WSC 63351
VCID: 72BED0492DB4FCA72BD-4AE0
Subsystem 1 - Part No: 8H1959801B
Component: Tőrsteuer.FS BRM 3020
Subsystem 2 - Part No: 8H1959802B
Component: Tőrsteuer.BF BRM 3020
Component: Tőrsteuer.HL BRM 0002
4 Faults Found:
01134 - Alarm Horn (H12)
29-10 - Short to Ground - Intermittent
01134 - Alarm Horn (H12)
49-00 - No Communications
01333 - Door Control Module; Rear Left (J388)
80-10 - Single-Wire Operation - Intermittent
01334 - Door Control Module; Rear Right (J389)
80-10 - Single-Wire Operation - Intermittent
-------------------------------------------------------------------------------
Address 55: Headlight Range Labels: 4Z7-907-357.lbl
Part No: 4Z7 907 357
Component: dynamische LWR D09
Coding: 00070
Shop #: WSC 00672
VCID: 045286910730C217091-4B1E
No fault code found.
-------------------------------------------------------------------------------
Address 56: Radio Labels: None
Part No SW: 8H0 035 192 B HW: 8H0 035 192 B
Component: RNS-E US H52 0020
Revision: 02S Serial number: AUZBZ7E1700023
Coding: 0419137
Shop #: WSC 08057 444 54080
VCID: 2616FC19D4CCD007775-5160
No fault code found.
-------------------------------------------------------------------------------
Address 63: Entry Assist,D Labels: None
Part No: 8H0 959 760 A
Component: EasyEntry F M H13 0010
Coding: 00006
Shop #: WSC 00065
VCID: 35342B551C6AAB9FCEF-4B1E
No fault code found.
-------------------------------------------------------------------------------
Address 73: Entry Assist, P Labels: None
Part No: 8H0 959 760 A
Component: EasyEntry BF H13 0010
Coding: 00005
Shop #: WSC 00065
VCID: 35342B551C6AAB9FCEF-4B1E
No fault code found.
End----------(Elapsed Time: 06:37, VBatt start/end: 12.3V/12.3V)-----------
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