While my 2003 VW Passat 1.8 was in my slopped driveway my sunroof drains clogged and flooded floor causing TCM to corrode. It took quite some time to figure this out so by the time I pulled up carpet TCM was complete gone. I obtained one online but car still was sticking limp mode. After a suggestion I checked the harness and it was corroded also so I picked one up from a salvage yard and after a lengthy process attached it. First time I used wire connectors but no luck so I redid them with heat solder connectors thinking that would resolve it.
After all of this the transmission is still in limp mode and I'm beyond frustrated. Tach doesn't work and center spot on console that shows PRDxxx and has car that shows doors open etc is completely blank.

 

I ran codes on VCDS Lite program but have free version so apparently not all show. Ran scan a few times and at one point only got P1854 but below are the codes that came up in multiple trys.Any help or ideas appreciated

• xxxxxxxxxxxxx
  VCDS-Lite Version: Release 1.2
  Wednesday, 08 August 2018, 18:36:45.
  Chassis Type: 3B - VW Passat B5
  Scan: 01,02,03,08,15,16,17,19,35,36,37,46,47,55,56,57,58 ,75,76,77
  -------------------------------------------------------------------------------
  Address 01: Engine Labels: Redir Fail!
  Controller: 4B0 906 018 DP
  Component: 1.8L R4/5VT G 0003
  Coding: 0016551
  Shop #: WSC 05224
  VCID: 729759CB2DB7
  12 Faults Found:
  18091 - Powertrain Data Bus: Implausible Message from Airbag Controller
  P1683 - 008 - Implausible Signal
  18056 - Shareware Version. To Decode all DTCs
  P1648 - 004 - Please Register/Activate
  18034 - Shareware Version. To Decode all DTCs
  P1626 - 004 - Please Register/Activate
  18057 - Powertrain Data Bus: Missing Message from ABS Controller
  P1649 - 008 - Implausible Signal - Intermittent
  17705 - Shareware Version. To Decode all DTCs
  P1297 - 001 - Please Register/Activate - Intermittent
  16514 - Shareware Version. To Decode all DTCs
  P0130 - 008 - Please Register/Activate - Intermittent
  16684 - Random/Multiple Cylinder Misfire Detected
  P0300 - 001 - Upper Limit Exceeded
  16687 - Shareware Version. To Decode all DTCs
  P0303 - 001 - Please Register/Activate
  16688 - Shareware Version. To Decode all DTCs
  P0304 - 008 - Please Register/Activate - Intermittent
  17978 - Engine Start Blocked by Immobilizer
  P1570 - 008 - Implausible Signal - Intermittent
  17519 - Shareware Version. To Decode all DTCs
  P1111 - 002 - Please Register/Activate
  16487 - Shareware Version. To Decode all DTCs
  P0103 - 001 - Please Register/Activate - Intermittent
  Readiness: 0110 1101
  -------------------------------------------------------------------------------
  Address 02: Auto Trans Labels: 01V-927-156.LBL
  Controller: 3B0 927 156 AH
  Component: AG5 01V 1.8l5VT USA 0810
  Coding: 0001104
  Shop #: WSC 00028
  VCID: 6CAB47B30F93
  5 Faults Found:
  17118 - Gear 4: Incorrect Ratio
  P0734 - 003 - Mechanical Failure
  17195 - Shareware Version. To Decode all DTCs
  P0811 - 003 - Please Register/Activate
  18262 - Shareware Version. To Decode all DTCs
  P1854 - 003 - Please Register/Activate
  17090 - Transmission Range Sensor (F125): Implausible Signal
  P0706 - 003 - Mechanical Failure
  18155 - Shareware Version. To Decode all DTCs
  P1747 - 003 - Please Register/Activate
  -------------------------------------------------------------------------------
  Address 03: ABS Brakes Labels: 8E0-614-111-ASR.LBL
  Controller: 3B0 614 111
  Component: ABS/ASR 5.3 FRONT D00
  Coding: 00021
  Shop #: WSC 00028
  VCID: D3D97C4F32ED
  3 Faults Found:
  18034 - Powertrain Data Bus: Missing Message from TCU
  P1626 - 35-00 - -
  18262 - Shareware Version. To Decode all DTCs
  P1854 - 35-00 - Please Register/Activate
  18256 - Shareware Version. To Decode all DTCs
  P1848 - 35-10 - Please Register/Activate - Intermittent

 

As with VCDS Lite, Shareware Version. To Decode all DTCs, Please Register/Activate

That's a lot for error codes.