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Thread: Reductant tank heater fault

  1. #1
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    Reductant tank heater fault

    Just scanned a 2011 VW Sharan 2.0 TDI with a MIL light on. Fault with reductant heater. Thought I'd post to see if a common fault and see if I could post a full scan correct?

    Any ideas? (I haven't looked myself yet)


    Code:
    Wednesday,08,November,2017,09:35:55:60494
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 17.8.0.1  HEX-NET CB: 0.4401.4
    Data version: 20170721 DS276.2
    www.Ross-Tech.com
    
    
    VIN: WVWZZZ7NZBV022449   License Plate: GD11 AEZ
    Mileage: 91160km-56644mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 7N-VW36 (7N0)
    Scan: 01 02 03 08 09 10 15 16 17 18 19 25 2E 42 44 46 52 53 56 61
              62 69 72 77
    
    VIN: WVWZZZ7NZBV022449   Mileage: 91160km-56644miles
    
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: Malfunction 0010
    10-Park/Steer Assist -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    18-Aux. Heat -- Status: Malfunction 1010
    19-CAN Gateway -- Status: Malfunction 0010
    25-Immobilizer -- Status: OK 0000
    2E-Media Player 3 -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: OK 0000
    56-Radio -- Status: OK 0000
    61-Battery Regul. -- Status: OK 0000
    62-Door, Rear Left -- Status: OK 0000
    69-Trailer -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    77-Telephone -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CFFB)       Labels:. 03L-906-018-CFF.clb
       Part No SW: 03L 906 018 HJ    HW: 03L 907 309 Q
       Component: R4 2,0L EDC   H24 8257  
       Revision: 44H24---    Serial number:               
       Coding: 001D001A042501080000
       Shop #: WSC 00020 999 00000
       ASAM Dataset: EV_ECM20TDI01103L906018HJ 003006
       ROD: EV_ECM20TDI01103L906018HJ.rod
       VCID: 79BA3082F8351C8ECD-802C
    
    1 Fault Found:
    9655 - Control Circuit for Reductant Tank Heating 
              P202A 00 [237] - Open Circuit
              MIL ON - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 6
                        Mileage: 90731 km
                        Date: 2017.10.28
                        Time: 07:30:03
    
                        Engine speed: 1556.00 /min
                        Normed load value: 78.0 %
                        Vehicle speed: 74 km/h
                        Coolant temperature: 45 °C
                        Intake air temperature: 13 °C
                        Ambient air pressure: 1010 mbar
                        Voltage terminal 30: 14.760 V
                        Unlearning counter according OBD: 40
                        Outside air temperature: 11.5 °C
                        Pressure sensor for reducing agent: measured pressure: 5001 hPa
                        Sensor for reducing agent fill level: fill level: 80.36 %
                        Sensor for reducing agent tank temperature: temperature: 14.6 °C
                        Reducing agent pump: activation: 12.53 %
    
    Readiness: 1 1 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 02E-927-770.clb
       Part No SW: 02E 300 054 Q    HW: 02E 927 770 AL
       Component: GSG DSG AG6     511 2602  
       Revision: 05351112    Serial number: 00001011140789
       Coding: 0000020
       Shop #: WSC 00020 790 00000
       VCID: 240431F6E737B166CE-8070
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 7N0-614-109.clb
       Part No SW: 7N0 614 109 L    HW: 7N0 614 109 L
       Component: J104   C3 450M VD7B 0008  
       Revision: --H07---    Serial number: 00000003311122
       Coding: 0028186
       Shop #: WSC 00020 790 00000
       VCID: 3620FBBE41AB33F660-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels:| 5K0-907-044.clb
       Part No SW: 5K0 907 044 F    HW: 5K0 907 044 F
       Component: Clima-Sharan  H11 0104  
       Revision: 00002001    
       Coding: 0000000009
       Shop #: WSC 00020 999 00000
       ASAM Dataset: EV_ClimatronicSharan A01005
       ROD: EV_ClimaAutoSharaBasis.rod
       VCID: 2E10D3DE71FB0B3628-807A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 1K0-937-08x-09.clb
       Part No SW: 5K0 937 084 F    HW: 5K0 937 084 F
       Component: BCM PQ35 B    011 0046  
       Revision: BA011001    
       Coding: 40180A3B8125F1C0400800C0140000E443511308426D21626480870000C1
       Shop #: WSC 00020 790 00000
       VCID: 3522FCB29CAD38EE69-8060
    
       Subsystem 1 - Part No SW: 7N2 955 119 A    HW: 7N2 955 119   Labels: 1KX-955-119.CLB
       Component: WWS    110704  31  0032 
       Serial number:         110723024450
       Coding: 000D9D
    
       Subsystem 2 - Part No SW: 7N0 955 559     HW: 7N0 955 559   Labels: 7N0-955-559.CLB
       Component: RLFS  021 0022 
       Serial number: Y10M12D13h08m31s02S1
       Coding: 0380BB
    
       Subsystem 3 - Part No: 7N0 951 171 
       Component: DWA-Sensor 00  002 0205 
       Coding: 000000
    
       Subsystem 4 - Part No: 1K8 951 605 A
       Component: LIN BACKUP HO  H11 9004 
       Coding: 000000
    
    1 Fault Found:
    02382 - Sensor for Light Detection (G399) 
                008 - Implausible Signal - Intermittent
                 Freeze Frame:
                        Fault Status: 00101000
                        Fault Priority: 2
                        Fault Frequency: 254
                        Reset counter: 152
                        Mileage: 90572 km
                        Time Indication: 0
                        Date: 2012.03.18
                        Time: 17:27:43
    
                 Freeze Frame:
                            Term 15 On
                        Voltage: 14.00 V
                            ON
                            ON
                            ON
                            OFF
                            OFF
    
    
    -------------------------------------------------------------------------------
    Address 10: Park/Steer Assist (J446)       Labels:| 1Q0-919-475.clb
       Part No SW: 7N0 919 475     HW: 7N0 919 475 
       Component: PARKHILFE 8K  H04 0010  
       Revision: --------    Serial number: 80231034802853
       Coding: 118101
       Shop #: WSC 12345 123 12345
       ASAM Dataset: EV_EPHVA18VW4280000 001005
       ROD: EV_EPHVA18VW4280000.rod
       VCID: 78BC3586C33F0586B2-802C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
       Part No SW: 7N0 959 655 B    HW: 7N0 959 655 B
       Component: VW10Airbag01K H07 0013  
       Serial number: 003GFPQM2LMN
       Coding: 00314B
       Shop #: WSC 00020 999 00000
       ASAM Dataset: EV_AirbaVW10TS6VW428 A01002
       ROD: EV_AirbaVW10TS6VW428.rod
       VCID: 3E30E39EA19BFBB6B8-806A
    
       Crash sensor for side airbag: driver side: 
       Subsystem 1 - Part No SW: ---            HW: ---        
       Component: S.Sens.Fahr.V  --- ---  
       Serial number: 3493ETS60795F29139D/
       Coding: 000000
    
       Crash sensor for side airbag: front passenger side: 
       Subsystem 2 - Part No SW: ---            HW: ---        
       Component: S.Sens.Beif.V  --- ---  
       Serial number: 3503ETS60229123139D4
       Coding: 000000
    
       Crash sensor for side airbag: rear: driver side: 
       Subsystem 3 - Part No SW: ---            HW: ---        
       Component: S.Sens.Fahr.H  --- ---  
       Serial number: 3513ETS60BB741A13DDY
       Coding: 000000
    
       Crash sensor for side airbag: rear: passenger side: 
       Subsystem 4 - Part No SW: ---            HW: ---        
       Component: S.Sens.Beif.H  --- ---  
       Serial number: 3523ETS60DBA423139DU
       Coding: 000000
    
       Crash sensor for front airbag: driver side: 
       Subsystem 5 - Part No SW: ---            HW: ---        
       Component: F.Sens.Fahr  --- ---  
       Serial number: 35540TS608B195E139DP
       Coding: 000000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:| 5K0-953-569.clb
       Part No SW: 5K0 953 521 BD    HW: 5K0 953 569 B
       Component: LENKS.MODUL   009 0136  
       Revision: FF010039    Serial number: 20101214200704
       Coding: 1882240000
       Shop #: WSC 00020 999 00000
       ASAM Dataset: EV_SMLSNGVOLWS A01004
       ROD: EV_SMLSNGVOLWS.rod
       VCID: 6FAE0EDAB671423E63-803A
    
       Multifunction steering wheel control module: 
       Subsystem 1 - Part No SW: 3C8 959 537 D    HW: 3C8 959 537 D  Labels: 3C8-959-537.CLB
       Component: E221__MFL-TK6  H06 0022 
       Coding: E20000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb
       Part No SW: 7N0 920 970 A    HW: 7N0 920 970 A
       Component: KOMBI         H20 0420  
       Serial number: 00000000000000
       Coding: 440B00
       Shop #: WSC 00020 999 00000
       ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04086
       ROD: EV_Kombi_UDS_VDD_RM09_A04_VW32.rod
       VCID: 312AC8A260C514CE35-8064
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 18: Aux. Heat        Labels: 1K0-815-071.clb
       Part No: 7N0 963 271 A
       Component: Zuheizer        051 2630  
       Revision: 00051000    Serial number: 09022126000000
       Coding: 0000041
       Shop #: WSC 00020 790 00000
       VCID: 3228C7AEADC32FD64C-8066
    
    1 Fault Found:
    01444 - Under-Voltage Shut-Off (Automatic) 
                000 -  -  - Intermittent
                 Freeze Frame:
                        Fault Status: 00100000
                        Fault Priority: 7
                        Fault Frequency: 1
                        Reset counter: 159
                        Mileage: 91119 km
                        Time Indication: 0
                        Date: 2012.03.29
                        Time: 08:52:07
    
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
       Part No SW: 7N0 907 530 D    HW: 1K0 907 951 
       Component: J533  Gateway H35 0614  
       Revision:   H35       Serial number: 101210F1002971
       Coding: 468003
       Shop #: WSC 00020 790 00000
       VCID: 312AC8A268C514CE35-8064
    
    1 Fault Found:
    01207 - Control Module for Auxiliary Heater (J364) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00110100
                        Fault Priority: 2
                        Fault Frequency: 4
                        Reset counter: 153
                        Mileage: 89960 km
                        Time Indication: 0
                        Date: 2012.03.14
                        Time: 15:13:39
    
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
       Part No SW: 5K0 953 234     HW: 5K0 953 234 
       Component: IMMO          H20 0420  
       Serial number:               
       Coding: 000000
       Shop #: WSC 00000 000 00000
       ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03008
       ROD: EV_Immo_UDS_VDD_RM09_VW21.rod
       VCID: 6A981FCE8D93A71634-803E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 2E: Media Player 3 (J650)       Labels:. 5N0-035-342.lbl
       Part No SW: 5N0 035 342 D    HW: 5N0 035 342 D
       Component: SG EXT.PLAYER H13 0150  
       Revision: A1001003    Serial number: 7669036630    
       Coding: 010000
       Shop #: WSC 00020 790 00000
       VCID: 281C25C65B1F5506E2-807C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:. 7N0-959-793.clb
       Part No SW: 7N0 959 793 D    HW: 7N0 959 793 
       Component: TSG FA        H04 0400  
       Revision:             Serial number: 0000110543322 
       Coding: 011006208001411011
       Shop #: WSC 00020 790 00000
       VCID: 43C6926AC279965ED7-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
       Part No: 7N0 909 144 L
       Component: EPS_ZFLS Kl. 275    3102  
       Revision: 00H17000    
       Shop #: WSC 00020 790 00000
       VCID: 3C34E9967F87E9A696-8068
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:. 7N0-959-792.clb
       Part No SW: 7N0 959 792 D    HW: 7N0 959 792 
       Component: TSG BF        H04 0400  
       Revision:             Serial number: 0000109830261 
       Coding: 011006208001411011
       Shop #: WSC 00020 790 00000
       VCID: 42C8976EDD639F56DC-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake        Labels: 3AA-907-801.clb
       Part No SW: 3AA 907 801 D    HW: 3AA 907 801 D
       Component: J540 EPB4  VW-53083 0006  
       Revision:   H18       Serial number: 00000000130499
       Coding: 0024067
       Shop #: WSC 00020 790 00000
       VCID: 3228C7AEADC32FD64C-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
       Part No SW: 5M0 035 186 AB    HW: 5M0 035 186 AB
       Component: Radio RCD310  016 0049  
       Revision: 00000000    Serial number: VWZ1Z2K7863568
       Coding: 0100040004
       Shop #: WSC 00020 790 00000
       VCID: 6C9419D68F67B92646-8038
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 61: Battery Regul. (J840)       Labels:. 1K0-907-534.clb
       Part No SW: 7N0 907 534     HW: 1K0 907 951 
       Component: Batt.regelung H35 0614  
       Serial number: 101210F1002971
       Coding: 030B185A
       Shop #: WSC 00020 790 00000
       VCID: 71AA08A2A84554CE75-8024
    
       Subsystem 1 - Part No SW: 1K0 915 181 F    HW: 1K0 915 181 A
       Component: J367-BDM  H07 0150 
       Serial number: 00000000009370225881
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left (J388)       Labels:. 7N0-959-794.clb
       Part No SW: 7N0 959 794 E    HW: 7N0 959 795 A
       Component: TSG HL        H03 0400  
       Revision:             Serial number: 0000110848287 
       Coding: 010004200001411001
       Shop #: WSC 00020 790 00000
       VCID: 45C28C72CC4DA86EF9-8010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 69: Trailer (J345)       Labels:. 1K0-907-383-V2.clb
       Part No SW: 1K0 907 383 F    HW: 1K0 907 383 F
       Component: ConWysTrailer H07 0100  
       Revision: 3A001001    Serial number: 00000132425721
       Coding: 0100000100000000
       Shop #: WSC 00007 223 174336
       VCID: 302CCDA663CF1DC63A-8064
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right (J389)       Labels:. 7N0-959-794.clb
       Part No SW: 7N0 959 794 E    HW: 7N0 959 795 A
       Component: TSG HR        H03 0400  
       Revision:             Serial number: 0000110848018 
       Coding: 010004200001411001
       Shop #: WSC 00020 790 00000
       VCID: 45C28C72CC4DA86EF9-8010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone (J412)       Labels:| 7P6-035-730.clb
       Part No SW: 7P6 035 730 B    HW: 7P6 035 730 B
       Component: TELEFON       H05 0440  
       Revision: 1B001001    Serial number: 00007669025065
       Coding: 0A01000000010101
       Shop #: WSC 00020 999 00000
       ASAM Dataset: UHVNA A01007
       ROD: UHVNA.rod
       VCID: 312AC8A260C514CE35-8064
    
    No fault code found.
    
    End----------(Elapsed Time: 01:49, VBatt start/end: 12.0V/12.0V)-----------
    Last edited by Uwe; 11-08-2017 at 08:45 AM. Reason: fixed CODE tags

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  3. #2
    Verified VCDS User
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    I've just spoken to TPS (Volkswagen Trade Parts) and common replacement of reductant heater £516.12 +vat and / or module £290.31 +vat.

    I will do some wiring checks later on today when I get time.

    MIL light does clear and fault is intermittent.

    My question is, can I code the module if required or does anyone know if it is plugs 'n' play?

    Fault is an intermittent open circuit / under voltage to auxiliary heater element, which TPS think is more likely module fault. Depends really on if the under voltage code is created by an actual voltage test or the fact the temperature sensor in tank doesn't warm up as expected?

  4. #3
    Verified VCDS User golfi_vend's Avatar
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    Exp. Show heater fault 95%.
    I am a VW Freak - Le WV Freaks OR Come visit me at my work with ODIS concerns - FORSS ODIS GeKo/FaZit access for VW/AUDI/Škoda
    The world is my oyster...

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  6. #4
    NostraJackAss Jack@European_Parts's Avatar
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    Change the heater and or check wiring to it if tests good..........and ultimately ECU in rare some cases as per the RTFB.

    Should just plug in if just the element purchased......
    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 )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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  8. #5
    VCDS Distributor
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    There is a heater repair kit for abt. 200 Euros, part # 7N0198970A, it is pretty easy to install, just take off the rear bumper and the inner fender liner, and unbolt and lower the tank, screw out the older heater and screw in the new one, plug it in and put everything back in place - done!

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  10. #6
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    Wow, thanks guy. Shows forums are worth the time.

    Heater repair kit good number, but currently on back order 5 - 10 days. Cleared codes and driven 10 miles, so going to let customer have it back and order repair kit. Got to be worth a go at £180.91+VAT. Slightly annoyed TPS weren't forth coming with repair kit when I phoned this morning.

  11. #7
    VCDS Distributor
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    BTW, I just saw there is also a "B"-Version of this repair kit - 7N0198970B - but could not find much further information so you may want to ask your parts guy if this is the replacement part for the "A"-Version and if he got you the right part this time

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  13. #8
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    Apologies been a while. Just to finish tread, fitted supplied repair kit form TPS and all sorted!

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