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VW Touran 2004 1.9TDI Webasto heater activation methods and controls

czarny_1963 221441 45
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How can I start the Webasto heater in a 2004 VW Touran 1.9 TDI, and is it automatic, timer/remote controlled, or engine-only?

In most Touran 1.9 TDI cases this is an auxiliary heater, not a true parking heater, so it starts automatically when the engine is running and the outside temperature is low, typically around 5°C or below [#4260484][#7701906][#8881979] A factory parking-heater setup may have a timer, dashboard button, or remote control, but the CAN-controlled Thermo Top V version is not started by simply feeding it +12 V like an analog heater [#4259699][#5607523][#8684297] One reply says that if you want to force it to run, a +12 V signal is applied to the yellow wire, but other replies stress that CAN/software-controlled versions need VW/CAN controls and software changes to work differently [#4272087][#5607523] If it is working, it may smoke and you should be able to hear it; one user reported it starts around 0 to -4°C and runs for a short cooling period after shutdown [#5896144][#8684297] The practical conclusion from the thread is: expect automatic operation while driving in cold weather unless the car has a separate timer/remote and the proper parking-heater control hardware [#7701906][#8881979]
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  • #31 7976687
    trolteraz
    Level 1  
    Posts: 1
    Rate: 1
    Hello
    I am sticking to this post for lack of points.

    I have a question, how can you delete the error given below:

    Address 18: Aux. Heat
    Control Module Part Number: 1K0 815 071 T
    Component and / or Version: Zuheizer 050 2504
    Software Coding: 0000011
    Work Shop Code: WSC 01324
    2 Faults Found:

    01415 - Recirculating Pump (V55)
    007 - Short to Ground - Intermittent
    Freeze Frame:
    Fault Status: 00100111
    Fault Priority: 3
    Fault Frequency: 254
    Reset counter: 123
    Mileage: 136,404 km
    Time Indication: 0

    Freeze Frame:
    Locked
    Temperature: 63.0 ° C
    Temperature: 81.0 ° C
    Voltage: 13.95 V

    02251 - Heater Unit Locked
    000 - -
    Freeze Frame:
    Fault Status: 01100000
    Fault Priority: 2
    Fault Frequency: 1
    Reset counter: 83
    Mileage: 137,796 km
    Time Indication: 0

    I've been struggling with it for 2 hours and d ...

    I found the solution to this problem on the forum:

    Quote:
    You enter WEBASTO, later adaptation, on block 42 of 0 you do 1 and save. Webasto unlocks and now reset errors.


    The second problem is I can't remove the DVD from RNS 510, "DVD Error" crashes. Anyone know how to disassemble and possibly pull the disc manually?
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  • #32 7977474
    skylark
    Level 25  
    Posts: 685
    Help: 56
    Rate: 239
    First, fix the fault.
    Then clear the error.
  • #33 8609340
    k.am.il
    Level 1  
    Posts: 1
    Rate: 6
    I have a Vw Touran 1.9 TDI 2003 year of production and I have a problem because my car was originally equipped with webasto, only the hose ends were closed, so I know that I have to buy this device, I do not know what parameters it should have webasto, and there are many versions of this device on the Allegro .
  • #34 8684297
    andi_a
    Level 10  
    Posts: 9
    Rate: 14
    Hello!
    I have a 2006 Touran. I got a remote for it with on and off buttons.
    I did not know what this remote control was about, he turned on the fan in the summer. Only when it got colder I realized that it was webasto. I have a webasto with engine and cabin heating. There is no clock and no control of the switching time, there is one button (horizontal line with wavelets up) that turns this webasto on, and a button on the remote control (on).
    There is one more ECON button on the board. It turns off the engine's additional heating while driving, as well as the climate in summer. When the ECON button is on when the engine is turned off, it does not heat it up later, but only the cabin. The range of the remote control is a surprise to me. The car is 500 m from the apartment, under the carport. From the fourth floor, it catches very well through the blocks.
    In the morning I turn on the webasto somewhere for 15 minutes at a temperature of around -4 degrees Celsius, I have 70 degrees on the engine and a frosted windscreen.
    From what I read often when reselling, people forget to return the webasto remote, but you can buy one at VW, it probably costs a lot, but I think it's worth it.
    As for combustion, it should be taken into account that additional heating consumes a lot of fuel, but driving comfort and starting a warm engine in winter are different. It is autumn and I noticed that it consumes a lot of fuel for me from about 2 liters / 100 km more without the economy turned on, especially in the city. Currently, when it heats up to below 50 degrees C, I attach ECON and burns less. What I noticed, when I set the temperature to 24 degrees C in winter, and I direct the air outlet located in the middle of the cabin down, it can switch on the air conditioning, the temperature sensor is right below the air outlet, of course when the air outlet is off. ECON.
    Attachments:
    • Uklady_dodatkowego_ogrzewania_cz2.pdf (3.09 MB) You must be logged in to download this attachment.
    • Uklady_dodatkowego_ogrzewania_cz1.pdf (2.91 MB) You must be logged in to download this attachment.
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  • #35 8881979
    KIEROWNIK103
    Level 11  
    Posts: 51
    Rate: 24
    Hello.
    k.am.il you have probably looking by. of the given year that you have "analog" and those that are on the alle ... most often they are on the CAN, i.e. controlled like a regular computer with the key 0100010111 etc. The analog is hard to find. And if you do, look for it to have an inscription on the rating plate

    Standheizer, or our way of PARKING HEATING

    if found in the name

    ZUHEIZER or ADDITIONAL HEATER,

    - it works only when the engine is running and of course when the FORCED CIRCULATION PUMP works if it is installed and there are no errors, I mean when it comes to CAN. As it is with the Analog, I do not know about the above-mentioned. examples because I have CAN ...
    If you have any more questions, please click here

    https://www.elektroda.pl/rtvforum/topic1572227.html

    or

    https://www.elektroda.pl/rtvforum/topic229705.html

    Read from Board to Board .... I did so and from the defective Additional Heater I made full Parking Heater and HULA ........ THANKS TO THIS FORUM and I was GREEN and I have Touran 2006 only 4 weeks .....
    Hi
  • #36 8902157
    jeyan
    Level 11  
    Posts: 4
    Rate: 8
    Hello
    I have a problem with the auxiliary heater in Touran 2003, namely after connecting VAG K + CAN COMMANDER 1.4, it connects to channel 47 Standheizung -A parking heater and five errors appear:
    0582 heater overheated
    0583 temperature sensor
    08CB additional heat blocked
    0298 - indication of the fuel level in the tank
    05A4 Automatic circuit breaker> insufficient voltage

    The errors cannot be cleared.
    I would like to ask if these are serious errors and if something needs to be replaced in the additional heater or if it is enough to adapt and delete the errors again.
    I would like to ask for instructions on how to adapt VAG K + CAN COMMANDER 1.4
  • #37 8919452
    cypion
    Level 15  
    Posts: 198
    Rate: 5
    18- additional heat -> 10 - Adaptations -> channel 42 -> save there 1

    If the temperature sensor error and overheating repeat, the sensor needs to be replaced, something like PLN 130. It is a temperature and overheating sensor

    You can try this: 18 AUX heating - 4 Basic Setting - 11ch - ON / OFF. Component function test.
  • #38 8922310
    jeyan
    Level 11  
    Posts: 4
    Rate: 8
    Hello
    At item 18 I have nothing (can't connect)
    As I wrote before, when I open the channel 47 Standheizung -Auxiliary heating, I get five errors.
    Maybe I will describe how I try to adapt (which does not work out)
    So
    1.connects to channel 47
    2. in the adaptation field I click START ... the information is displayed to enter the value for the channel
    3.Now I do not know if I am doing right, I enter DEC 18 in the field (I want to adapt channel 18)
    4.Click ENTER / TEST
    5. The message "Negative response of the request !!!" appears.
    cypion tell me if your adaptation instruction applies to VAG-K + CAN Commander 1.4?
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  • #39 8924165
    cypion
    Level 15  
    Posts: 198
    Rate: 5
    for example, in vag can pro on channel 18 there is a parking heater and from what I remember in vcds it is also like that ...

    I do this: you enter the webast 18 driver, then 10 (adaptation), channel 042 and enter 1 (because it will probably be 0)
  • #40 8924762
    jeyan
    Level 11  
    Posts: 4
    Rate: 8
    In VAG-K + CAN Commander 1.4 it is definitely on channel 47 because after connection, additional heater data, serial number, etc. are displayed. Only this adaptation is a problem
  • #41 9169528
    mrja
    Level 2  
    Posts: 2
    Rate: 1
    I had the same problem in DEC, I entered 66 which gave HEX 42 and then according to the instructions.
  • #42 10052292
    grepal
    Level 11  
    Posts: 78
    Rate: 10
    Hello,
    I will step on the topic ...
    Some time ago I bought a touran with a webast and a pilot included, the topic is obvious - it does not start.
    After communicating with VCDS vag 10.6 I get the following message: 18-Aux. Heat - Status: Cannot be reached 1100. Hence: no communication 18-10-47-1.
    I found such an error only on the radio, while with webasto I have nowhere found anything on the network.
    The car probably ran on the tariff (I think so) so it is unlikely that anyone would assume - I suspect that this is a standard in a taxi.
    Original software and additional cables :( ?
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  • #43 11009090
    .ami
    Level 11  
    Posts: 97
    Rate: 48
    The in-depth Webasto theme for the Touran is here: Link
    I recommend reading.
  • #44 11842414
    Devilos88
    Level 9  
    Posts: 9
    Rate: 3
    I also have a Touran 190,000 with the same engine and the same year also smoked me so much, you just need to drive barking, do not shoot it to 3 and over 3,000 only to 2 or 2,500, and now smoke 8,9 or 9 in the city, 1?
  • #45 15195484
    sleny
    Level 2  
    Posts: 2
    Rate: 3
    I also have a problem with the additional heat, but I was at the webast installers and they informed me that the fault of not starting the additional heat is a broken water pump and I need to replace it.
    Moderated By serwisantscani1:

    3.1.19. Do not send messages on archival topics if this is another question, in particular other than the questioning person. Out of respect for the questioner, create your own topic. You can only add a solution to the problem.

  • #46 19752442
    robson 140
    Level 10  
    Posts: 21
    Rate: 5
    Everyone writes strange things and they are right others are wrong I have a Volkswagen Touran from 2004, I fell Webasto only this is the additional heater, the water pump fell after the replacement, it starts automatically at low temperature, you do not need any remote control or any intervention on our part

Topic summary

✨ The discussion revolves around enabling the Webasto heating system in a 2004 VW Touran 1.9 TDI. Users inquire about the operation and activation of the Webasto unit, which is identified as a Thermo Top V model. It is noted that the system may function as an auxiliary engine heater, activating automatically at low temperatures, typically around 0°C. Some users mention the possibility of a remote control for activation, while others suggest that it may require a specific button or timer within the vehicle. There are discussions about wiring connections, including a yellow wire for manual activation, and the need for a forced circulation pump for optimal operation. Users also share troubleshooting tips, including checking for error codes and ensuring proper connections, as well as the potential for software updates to enable additional features. The conversation highlights the importance of understanding the specific configuration of the Webasto system in relation to the vehicle's setup.
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FAQ

TL;DR: Factory-fitted Webasto Thermo Top V supplies 5 kW of heat and can raise engine coolant to 70 °C in ≈15 min while adding ~2 L/100 km fuel use in city driving [Elektroda, andi_a, post #8684297] “It starts only when CAN-bus sees < +5 °C,” an installer notes [Elektroda, makarenas, post #7701906] Why it matters: knowing if you have a simple Zuheizer or full parking heater tells you which controls, wiring, and software you really need – and saves costly guesswork for winter starts.

Quick Facts

• Heater model: Webasto Thermo Top V, 12 V, 5.0 kW diesel unit, PN 1K0 010 353 [Elektroda, czarny_1963, post #4259675] • Auto-start threshold: approx. +5 °C outside temp via CAN-bus signal [Elektroda, makarenas, post #7701906] • Typical fuel penalty: +1.5 – 2.0 L/100 km in urban use when active [Elektroda, andi_a, post #8684297] • Temp + overheat sensor cost: ≈PLN 130 (≈€28) [Elektroda, cypion, post #8919452] • Remote key-fob range: up to 500 m through buildings [Elektroda, andi_a, post #8684297]

What Webasto unit does a 2004 VW Touran 1.9 TDI use?

Most 2003-2006 Tourans carry a factory Webasto Thermo Top V (TT-V) rated 5 kW, 12 V, diesel-fired, part-number 1K0 010 353 [Elektroda, czarny_1963, post #4259675]

Is my heater a parking heater or only an auxiliary "Zuheizer"?

If the nameplate shows “Zuheizer” and the unit starts only with the engine running, it is an auxiliary heater. “Standheizer” on the label, a cabin remote, or a dash timer means full parking heater [Elektroda, KIEROWNIK103, post #8881979]

Can I manually pre-heat without starting the engine?

Only if the heater firmware is configured for parking mode. CAN-controlled TT-V units need software re-flash and a timer or Telestart remote; simple +12 V on a yellow wire will not work [Elektroda, skylark, post #5607523]

How do I add a timer or remote to a CAN-bus TT-V?

Install Webasto 1533 timer or Telestart T91/T100, then load parking-heater firmware (e.g., flash 25 14) with Webasto Thermo Test. Many workshops charge €80-130 for coding [Elektroda, skylark, post #5611019]

My heater smokes heavily at start-up – is that normal?

White diesel vapour and a strong smell during the first 2–3 minutes are typical as the burner reaches 650 °C. Smoke lessens once coolant hits 60 °C [Elektroda, LJOZWIAK, post #7611045]

Heater shows “02251 – Unit Locked.” How do I clear it?

Unlock via VCDS: 18-Aux Heat → Adaptation → Channel 42 → set value 1 → Save, then erase DTCs [Elektroda, trolteraz, post #7976687]

What does fault code 01415 – V55 Short to Ground mean?

Code 01415 indicates the recirculation pump V55 has high resistance or is seized. Replace or free the pump before clearing errors [Elektroda, trolteraz, post #7976687]

Where is the temperature sensor for the Webasto?

The TT-V houses two sensors—temperature and overheat—inside the burner block; the outside-air value comes from the bumper ambient sensor already used by the dash display [Elektroda, joker1958, post #5753830]

Heater won’t start; installer blames the coolant pump. Is that common?

Yes. A failed circulation pump stops coolant flow, triggering lockout. Users report pump replacement restoring auto-start with no extra coding required [Elektroda, sleny, #15195484; robson 140, #19752442].

How much extra diesel does the Webasto burn?

Expect roughly 0.3 L per 10 minutes of operation; owners note total urban consumption rises 1.5-2 L/100 km when the heater runs every trip [Elektroda, andi_a, post #8684297]

Quick 3-step procedure to clear Webasto errors with VCDS?

  1. Connect to 18-Aux Heat (or 47 on early software).
  2. Go to Adaptation, Channel 42, enter 1, Save to unlock.
  3. Return, clear all DTCs; cycle ignition once to confirm zero faults [Elektroda, cypion, post #8919452]
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