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Thread: 2004 Audi A4 B6 1.9 TDI Multitronic - Engine Codes After Flood

  1. #1
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    2004 Audi A4 B6 1.9 TDI Multitronic - Engine Codes After Flood

    After a recent water ingress problem the CEL is now illuminated and the car is in limp mode. I can clear the codes but within a few hundred yards of driving it's back into limp mode and the CEL is back on again.

    I'm getting the following codes, the five engine ones being the the priority to solve so I can get mobile again (I've been off the road for three weeks now).

    I've replaced the Central Electronic Supply Module which sorted out the lights and dead wipers

    Any advice is very much appreciated ...


    Code:
    VCDS-Lite Version: Release 1.2
    
    Thursday, 22 August 2019, 13:03:54:45583
    
    
    
    Chassis Type: 8E - Audi A4 B6
    
    Scan: 01,02,03,08,09,0F,11,15,16,17,18,36,37,45,46,55,56 ,57,65,67,69,75,76,77
    
    
    -------------------------------------------------------------------------------
    
    Address 01: Engine Labels: 038-906-019-AVF.LBL
    
    Controller: 038 906 019 LJ
    
    Component: 1,9l R4 EDC G000AG 5934
    
    Coding: 00001
    
    Shop #: WSC 63251
    
    VCID: 6AA7F3A40567
    
    WAUZZZ8E54A227828 AUZ6Z0D0045638
    
    5 Faults Found:
    
    17932 - Fuel Pump Relay (J17): Open or Short to Ground
    
    P1524 - 35-00 - -
    
    17849 - EGR Valve (N18): Open Circuit or Short to Ground
    
    P1441 - 35-00 - -
    
    19561 - Valve for Intake Manifold Flap (N239): Open or Short to Ground
    
    P3105 - 35-00 - -
    
    18027 - Glow Plug Relay (J52): Open or Short to Ground
    
    P1619 - 35-00 - -
    
    17957 - Boost Pressure Regulation Valve (N75): Open or Short to Ground
    
    P1549 - 35-00 - -
    
    Readiness: N/A
    
    
    -------------------------------------------------------------------------------
    
    Address 02: Auto Trans Labels: 01J-927-156.LBL
    
    Controller: 8E2 910 155 B
    
    Component: V30 01J 1.9l PD RdW 3271
    
    Coding: 0000001
    
    Shop #: WSC 00178
    
    VCID: 263FC794D1FF
    
    No fault code found.
    
    
    -------------------------------------------------------------------------------
    
    Address 03: ABS Brakes Labels: 8E0-614-517.LBL
    
    Controller: 8E0 614 517
    
    Component: ABS/ESP front 3429
    
    Coding: 04259
    
    Shop #: WSC 06435
    
    VCID: E5BD00986C79
    
    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
    
    Controller: 8E0 820 043 AC
    
    Component: A4 Klimaautomat 1450
    
    Coding: 00000
    
    Shop #: WSC 00000
    
    VCID: 62B79B84FD57
    
    No fault code found.
    
    
    -------------------------------------------------------------------------------
    
    Address 09: Cent. Elect. Labels: 8E0-907-279-8E2.LBL
    
    Controller: 8E0 907 279 F
    
    Component: int. Lastmodul RDW 0517
    
    Coding: 00001
    
    Shop #: WSC 00000
    
    VCID: 351D10D81C59
    
    1 Fault Found:
    
    01753 - Windshield Wiper Motor (V) Stage 1
    
    31-10 - Open or Short to Ground - Intermittent
    
    
    -------------------------------------------------------------------------------
    
    Address 15: Airbags Labels: 8E0-959-655-84.LBL
    
    Controller: 8E0 959 655 J
    
    Component: Airbag 8.4EP 1002
    
    Coding: 0010602
    
    Shop #: WSC 63251
    
    VCID: 3E0F0FF4296F
    
    No fault code found.
    
    
    -------------------------------------------------------------------------------
    
    Address 16: Steering wheel Labels: 8E0-953-549.LBL
    
    Controller: 8E0 953 549 N
    
    Component: LenksŠulenmodul 0611
    
    Coding: 00042
    
    Shop #: WSC 63251
    
    VCID: 3E0F0FF4296F
    
    No fault code found.
    
    
    -------------------------------------------------------------------------------
    
    Address 17: Instruments Labels: 8E0-920-9xx-8E2.LBL
    
    Controller: 8E0 920 950 M
    
    Component: KOMBI+WEGFAHRS. RB4 D42
    
    Coding: 00401
    
    Shop #: WSC 00001
    
    VCID: 33192EC0122D
    
    WAUZZZ8E54A227828 AUZ6Z0D0045638
    
    No fault code found.
    
    
    -------------------------------------------------------------------------------
    
    Address 37: Navigation Labels: None
    
    Controller: 8E0 035 192 Q
    
    Component: RNS-E HIGH EU H73 0650
    
    Coding: 0301117
    
    Shop #: WSC 06335
    
    VCID: 32172BC4ED37
    
    2 Faults Found:
    
    00857 - CD Changer Unit (R41)
    
    004 - No Signal/Communication
    
    00466 - Control Module for Steering Column Electronics (J527)
    
    008 - Implausible Signal
    
    
    -------------------------------------------------------------------------------
    
    Address 45: Inter. Monitor Labels: 8E0-951-177.LBL
    
    Controller: 8E0 951 177
    
    Component: Innenraumueberw. 0704
    
    Coding: 00001
    
    Shop #: WSC 00000
    
    VCID: EBA976A08A9D
    
    No fault code found.
    
    
    -------------------------------------------------------------------------------
    
    Address 46: Central Conv. Labels: 8E0-959-433-MAX.LBL
    
    Controller: 8E0 959 433 BC
    
    Component: KomfortgerŠt T3B 1412
    
    Coding: 01931
    
    Shop #: WSC 73430
    
    VCID: 7399EEC052AD
    
    No fault code found.
    
    
    -------------------------------------------------------------------------------
    
    Address 56: Radio Labels: None
    
    Controller: 8E0 035 192 Q
    
    Component: RNS-E HIGH EU H73 0650
    
    Coding: 0301117
    
    Shop #: WSC 06335
    
    VCID: 32172BC4ED37
    
    2 Faults Found:
    
    00857 - CD Changer Unit (R41)
    
    004 - No Signal/Communication
    
    00466 - Control Module for Steering Column Electronics (J527)
    
    008 - Implausible Signal
    
    
    -------------------------------------------------------------------------------
    
    Address 76: Park Assist Labels: 8E0-919-283-8E2.LBL
    
    Controller: 8E0 919 283 A
    
    Component: Parkingsyst. A4 RDW D08
    
    Coding: 01114
    
    Shop #: WSC 63251
    
    VCID: 2E2F3FB4F90F
    
    No fault code found.
    
    
    End --------------------------------------------------------------------------------------------------
    Last edited by Monzta; 08-23-2019 at 06:06 PM.

  2. #2
    Ross-Tech Employee Jef's Avatar
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    You need to get your hands on the J317 relay. It is what provides power for said items. Being your car is a bit "not Americian!" in more ways than one, I'm not 100% sure if the location. Off the top of my head I suspect it is on the left side, at base of windshield in a dry box.... it might be something like this crappy drawing done by a drunk turtle:



    Please see your factory repair manual for a more accurate location.
    Jef
    Ross Tech Support Team, Alpha Squad
    Auto-Scan, learn it, love it, live it... then check the fuses.

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  4. #3
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    Thanks for that Jef.

    Going by your drunk turtle diagram it looks like it's relay 219 on my car. I have already replaced that one and am still getting issues. It was a secondhand relay though so there's always an outside chance that it's a dud one as well. I also replaced relay 395 as the socket it was plugged into was a little corroded ... obviously it's had a little flood in the plenum chamber some time in its past.

    Is it worth buying a brand new relay 219? Or could it be a problem with the engine loom itself?


  5. #4
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    Well I removed all the relays and sprayed WD40 into all the connectors, then I sprayed all the connections I could reach under the dash where the water had leaked onto. I put everything back together again, cleared the fault codes and went for a drive. I did about 10 miles and no CEL came on and no limp mode either. Result!

    When I got home I did another Auto-Scan (see below). Much better eh? Just some minor error codes to resolve now.

    So it was a connection problem after all. I'll give everything another go over with WD40 tomorrow and put everything back together. Hopefully the CEL will be a thing of the past for my A4, I need my Audi back on the road so I can get some jobs done on my old Honda.

    Code:
    VCDS-Lite Version: Release 1.2
    Saturday, 24 August 2019, 16:25:51:45583
    
    
    Chassis Type: 8E - Audi A4 B6
    Scan: 01,02,03,08,09,0F,11,15,16,17,18,36,37,45,46,55,56,57,65,67,69,75,76,77
     
    -------------------------------------------------------------------------------
    Address 01: Engine       Labels: 038-906-019-AVF.LBL
       Controller: 038 906 019 LJ
       Component: 1,9l R4 EDC G000AG  5934
       Coding: 00001
       Shop #: WSC 63251
       VCID: 6AA7F3A40567
       WAUZZZ8E54A227828     AUZ6Z0D0045638
    No fault code found.
    Readiness: N/A
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans       Labels: 01J-927-156.LBL
       Controller: 8E2 910 155 B
       Component: V30 01J 1.9l PD RdW 3271
       Coding: 0000001
       Shop #: WSC 00178
       VCID: 263FC794D1FF
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes       Labels: 8E0-614-517.LBL
       Controller: 8E0 614 517 
       Component: ABS/ESP front       3429
       Coding: 04259
       Shop #: WSC 06435
       VCID: E5BD00986C79
    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
       Controller: 8E0 820 043 AC
       Component:   A4 Klimaautomat   1450
       Coding: 00000
       Shop #: WSC 00000
       VCID: 62B79B84FD57
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.       Labels: 8E0-907-279-8E2.LBL
       Controller: 8E0 907 279 F
       Component: int. Lastmodul  RDW 0517
       Coding: 00001
       Shop #: WSC 00000
       VCID: 351D10D81C59
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags       Labels: 8E0-959-655-84.LBL
       Controller: 8E0 959 655 J
       Component: Airbag 8.4EP        1002
       Coding: 0010602
       Shop #: WSC 63251
       VCID: 3E0F0FF4296F
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel       Labels: 8E0-953-549.LBL
       Controller: 8E0 953 549 N
       Component: LenksŠulenmodul     0611
       Coding: 00042
       Shop #: WSC 63251
       VCID: 3E0F0FF4296F
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments       Labels: 8E0-920-9xx-8E2.LBL
       Controller: 8E0 920 950 M
       Component: KOMBI+WEGFAHRS. RB4 D42
       Coding: 00401
       Shop #: WSC 00001
       VCID: 33192EC0122D
       WAUZZZ8E54A227828     AUZ6Z0D0045638
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 37: Navigation       Labels: None
       Controller: 8E0 035 192 Q
       Component: RNS-E HIGH EU   H73 0650
       Coding: 0301117
       Shop #: WSC 06335
       VCID: 32172BC4ED37
    3 Faults Found:
    00856 -  Radio Antenna
                011 -  Open Circuit
    00857 -  CD Changer Unit (R41)
                004 -  No Signal/Communication
    00466 -  Control Module for Steering Column Electronics (J527)
                008 -  Implausible Signal
    
    -------------------------------------------------------------------------------
    Address 45: Inter. Monitor       Labels: 8E0-951-177.LBL
       Controller: 8E0 951 177 
       Component: Innenraumueberw.   0704
       Coding: 00001
       Shop #: WSC 00000
       VCID: EBA976A08A9D
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.       Labels: 8E0-959-433-MAX.LBL
       Controller: 8E0 959 433 BC
       Component: KomfortgerŠt T3B    1412
       Coding: 01931
       Shop #: WSC 73430
       VCID: 7399EEC052AD
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio       Labels: None
       Controller: 8E0 035 192 Q
       Component: RNS-E HIGH EU   H73 0650
       Coding: 0301117
       Shop #: WSC 06335
       VCID: 32172BC4ED37
    3 Faults Found:
    00856 -  Radio Antenna
                011 -  Open Circuit
    00857 -  CD Changer Unit (R41)
                004 -  No Signal/Communication
    00466 -  Control Module for Steering Column Electronics (J527)
                008 -  Implausible Signal
    
    -------------------------------------------------------------------------------
    Address 76: Park Assist       Labels: 8E0-919-283-8E2.LBL
       Controller: 8E0 919 283 A
       Component: Parkingsyst. A4 RDW D08
       Coding: 01114
       Shop #: WSC 63251
       VCID: 2E2F3FB4F90F
    No fault code found.
    
    End   --------------------------------------------------------------------------------------------------

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  7. #5
    NostraJackAss Jack@European_Parts's Avatar
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    Did you put desiccant bags or rice in strategic locations temporarily to grab more of the residual moisture?

    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  8. #6
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    I have a small dehumidifier that I left in the car with the carpets lifted up. Dry as a bone in there now.

  9. #7
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    Well that didn't last long. I gave everything another going over with WD40 then put everything back together. Before refitting all the plastics at the base of the windscreen and attaching the wiper arms I took it for another trip around the block. I got a hundred yards then the car stalled and the CEL came on again.

    Anyway, another Auto-Scan showed the same five error codes. I took the plastic ECU cover off whilst I had the engine running and the slightest touch to one of the parts of the loom leading to the ECU made it stall again. This takes me full circle back to when the problem began nearly a month ago. I noticed then that touching that same part of the loom caused the car to stall (see the video below). I think I may have caused damage to the loom when trying to get that connector off the ECU. I didn't know then that you had to grind off the two bolts and then slide the ECU out of its armoured box (what's all that about?)

    https://youtu.be/Qn_5OLuDweI

    So, I need to find another one of those smaller ECU plugs and a length of the loom and a good auto electrician to either find the specific wire or wires that are broken or cut off the existing connector and solder in the replacement.

  10. #8
    NostraJackAss Jack@European_Parts's Avatar
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    Did you unwrap the tape on harness area to investigate the obvious and load light each circuit end to end isolated?

    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  11. #9
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    I ran out of light this evening so will unwrap the harness tomorrow sometime.

    With the ignition on could I probe each connection on the plug with my test light and wiggle the wires to see if the light flickers of goes off and on?

  12. #10
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    Just to close this thread, I finally managed to resolve my problem. It was a dry solder in the ECU when the loom plugs in. All the solders there looked a little dry so I had them re-soldered and the car seems to be running fine now.

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