Help! Stuck in limp mode 2003 VW Passat - Volkswagen Forum - VW Forums for Volkwagen enthusiasts


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Old 08-09-2018, 12:37 AM
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Default Help! Stuck in limp mode 2003 VW Passat

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.
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Old 08-09-2018, 12:41 AM
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Default Codes

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
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Old 08-09-2018, 08:23 AM
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As with VCDS Lite, Shareware Version. To Decode all DTCs, Please Register/Activate

That's a lot for error codes.
VAG Error Code: 18262

EOBD II Error Code: P1854
Fault Location:
Powertrain Data Bus - Hardware Malfunction


Possible Cause:
CAN-Data Bus Wiring/Connector(s) faulty.
Control Module(s) faulty.

Possible Solutions:
Check Control Module(s).
Check CAN-Data Bus Wiring/Connector(s) Chapter 90-9.
Skoda-Fabia 2000-Electrical.pdf


As taken from my new EOBD II Fault Codes Software

Why does this forum only never post my text as it shows in my app, I've never understood that. Even if I edit it still doesn't show right.


Last edited by Keithuk; 08-09-2018 at 08:25 AM.
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