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Skoda Octavia II 2010 Model: Replacing and Encoding New Keyfobs for Central Lock/Alarm

RobertGrzelak1984 12858 14
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  • #1 16710757
    RobertGrzelak1984
    Level 3  
    Hello
    I am assuming a new topic because after reviewing dozens on various forums I can't find the right one for me.
    Well, I recently have a Skoda Octavie II from 2010. 1.9 TDI, in one of the basic equipment (electric windows front, manual climate control, central locking ... and basically enough).
    The car got two sets of keys, ordinary, simple, without buttons (two different, you can see one made) and two key rings for the central lock / alarm (also both different).
    And now yes ...
    One of the key rings does not work (it had a sunk battery, I got one, I changed the batteries, the diode blinks, but nothing happens)
    The second one works, but it is in a deplorable state and it will fall apart any day.

    I would love to change both and encode new ones ... and here I am asking you for help.
    1) When I close the car with the remote control operating, the car closes + the alarm is armed
    2) When he wants to open the car mechanically, with a key in the door, the whole car opens, but begins to howl the alarm, i.e. opening the key does not turn off the alarm.
    3) When I close the car with the key, the alarm is not armed so when I open the key, it does not howl.

    Is this normal operation of the entire central locking and alarm? Namely, that the remote control activates both the alarm and the central locking, and the key only the central locking?
    Unfortunately, once it happened that the wife closed the car with the remote control and went to work, and I later opened the car with the second key and had an unpleasant surprise, howling over 2 hours.; /

    Someone told me that I have an unoriginal remote control unit, so I started looking for it to get to know the brand and look for the key coding procedure.
    Unfortunately, at the left sill it is not there, neither under the steering wheel, on the left closer to the driver's door (where the fuses are).
    I was hoping that by clicking on the remote control I would listen to the ticking relay (because usually there is a tick when the lock or switchboard wants to work) but here's another problem - when pressing the buttons open or close on the pendant you can hear delicate high-pitched beeps from the center of the steering column, somewhere in the heart where the shifters fall. And only that. No relays can be heard anywhere. Is it possible that there is a switchboard in the column? Probably not?

    Do you have any idea how to determine if I really have an unoriginal switchboard? Or where can she be? I probably won't go on coding without it?
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  • #2 16710786
    spinacz
    Level 42  
    Upload pics of pilots and select which one is currently working.
    As for me, you have an alarm mounted that controls the factory central lock.
    As for the addition of new remote controls, I suspect that it will be cheaper and more reliable to set up a new alarm or if you do not need it, the new central locking controller alone.
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  • #3 16710805
    RobertGrzelak1984
    Level 3  
    This silver, damaged works. Button from the top 1-close, 2-open, 3-close, 4-open
    Attachments:
    • Skoda Octavia II 2010 Model: Replacing and Encoding New Keyfobs for Central Lock/Alarm IMG_20170919_215628.jpg (2.27 MB) You must be logged in to download this attachment.
    • Skoda Octavia II 2010 Model: Replacing and Encoding New Keyfobs for Central Lock/Alarm IMG_20170919_215634.jpg (2.27 MB) You must be logged in to download this attachment.
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  • #4 16710820
    sosarek

    Level 43  
    Both look rather like gate remote controls, so the alarm and central locking switch is unlikely to be factory-made (look for a cube with cables the size of a cigarette packet).
    Company Account:
    Z
    Pka, Poznań, 60-850
    Helpful post? Buy me a coffee.
  • #5 16710821
    RobertGrzelak1984
    Level 3  
    The brown one has the impression that it is from some gates or roller blinds :-) :-)
    The remote control driver was connected some time ago in my second car, WV polo, successfully, but I would prefer to have an alarm too.
  • #6 16710825
    spinacz
    Level 42  
    Ok, you probably have an alarm with CAN communication.
    The switchboard will most likely be the size of two matchboxes.
    I propose to replace it with a new set.

    Added after 1 [minutes]:

    This is an alarm that was very often installed by the Authorized Service Center, it was often thrown out of the car due to a sudden loss of range or total failure.
  • #7 16710845
    RobertGrzelak1984
    Level 3  
    Ok, so I will start searching again tomorrow. Ps. On the left, next to the knob from the lights, a small board led out from under the board with a microswitch and a blue LED on it (indicates an armed alarm). My guess is that with this button I can tap some code to disarm the alarm in an emergency?
    Could this high-pitched sound come from the loudspeaker when pressing the remote control? I have the choice to follow this sound or after that cable :-)
  • #8 16710875
    spinacz
    Level 42  
    Fly on these wires from the diode and the button, they go 100% to your alarm control panel.
    The switch can be from the function of some emergency authorization or some kind of anti-hijacking protection.

    Added after 1 [minutes]:

    The switchboard if it is what I think is really the size of two matchboxes.
  • #9 16715777
    RobertGrzelak1984
    Level 3  
    Skoda Octavia II 2010 Model: Replacing and Encoding New Keyfobs for Central Lock/Alarm

    I found ;) Deep deep behind a thousand cables and a thousand fuses ;)

    Added after 21 [minutes]:

    Does anyone have instructions for this system? First of all, it means the following steps to program the remote control. Apparently you can, max 4 pieces, using the sequence of pressing the microswitch and turning the key in the ignition.
  • #10 16715861
    spinacz
    Level 42  
    And you have the system that always gets damaged, do you have the original remote control?
    My advice, throw it out and put something new with a guarantee.
  • #11 16715912
    RobertGrzelak1984
    Level 3  
    The thing is, it works, I have no objections.
    I mean only the pilot issue. However, if there is a problem with this, of course, he will list everything.
    The only question is, what do you recommend and can the new switchboard be connected to exactly the same place? Will all wiring need to be checked / replaced again?
  • #12 16715959
    spinacz
    Level 42  
    Remember that you only program the original remote control, it goes to set up another can alarm without major modifications.
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  • #13 16715971
    RobertGrzelak1984
    Level 3  
    Line? :-)
  • #15 16723762
    RobertGrzelak1984
    Level 3  
    Hello.
    Problem solved. I was able to re-code the other pilot (brown).
    I got the coding procedure (the whole instruction) directly from the producer of this alarm, everything went smoothly.
    For PLN 65 I can buy a new remote control for this switchboard.
    I enclose the procedure of adding a remote control to the central unit for children.
    Skoda Octavia II 2010 Model: Replacing and Encoding New Keyfobs for Central Lock/Alarm
    Topic is closed.

Topic summary

✨ The discussion revolves around the replacement and encoding of keyfobs for a 2010 Skoda Octavia II. The user has two sets of basic keys and two remote keyfobs, one of which is non-functional despite a battery replacement, while the other is in poor condition. Participants suggest that the existing remote controls may not be factory-made and recommend replacing the alarm system or central locking controller for reliability. The user discovers a control panel for the alarm and seeks instructions for programming new remote controls. Ultimately, the user successfully recodes one of the remotes using instructions from the alarm manufacturer and finds a new remote available for purchase.

FAQ

TL;DR: For a 2010 Octavia II with an add‑on CAN alarm, a new compatible remote cost PLN 65, and “everything went smoothly.” [Elektroda, RobertGrzelak1984, post #16723762]

Why it matters: This FAQ shows how to diagnose an aftermarket alarm, add remotes, and avoid false sirens when using the mechanical key.

For owners troubleshooting central lock/alarm remotes on Skoda Octavia II (2004–2013) who need clear, field‑tested steps and options.

Quick Facts

How do I tell if my Octavia II alarm is aftermarket or factory?

Check the fobs and module. Gate-style multi-button fobs and a small add-on box indicate aftermarket, not factory. One pro noted both pictured fobs looked like gate remotes, not OEM Skoda. Look for a separate controller roughly cigarette-pack sized under the dash. [Elektroda, sosarek, post #16710820]

Is it normal that unlocking with the mechanical key sets off the alarm?

Yes, if the car was armed with the remote. Mechanical unlocking opens the doors but does not disarm the add-on alarm, so the siren sounds. Locking with the key typically does not arm the alarm, so later key unlocking stays quiet. Avoid mixing arming/unlocking methods. [Elektroda, RobertGrzelak1984, post #16710757]

Where is the alarm control unit usually located?

Owners reported finding it deep behind the dash near the fuse area, hidden under wiring. To locate yours, follow the small blue LED and microswitch harness; it leads directly to the alarm brain. “Fly on these wires… they go 100% to your alarm control panel.” [Elektroda, spinacz, post #16710875]

What do the small LED and microswitch near the headlight knob do?

They are the alarm’s status LED and service/override button. They support emergency authorization or anti-hijack features and are also used during remote programming. Follow these wires to reach the controller for coding. [Elektroda, spinacz, post #16710875]

How can I add or re-code a remote on this system? (3-step)

  1. Access the alarm brain and locate the microswitch/LED harness.
  2. Perform the ignition on/off and microswitch press sequence per the unit’s instructions.
  3. Press the new remote buttons to enroll, then exit programming. An owner obtained the manufacturer’s procedure and completed coding successfully. [Elektroda, RobertGrzelak1984, post #16723762]

How many remotes can this alarm store?

Up to four remotes are supported on the reported unit. Enrollment uses a sequence with the microswitch and ignition key. If full, delete all and re-add needed fobs per the unit’s manual. [Elektroda, RobertGrzelak1984, post #16715777]

My fob’s LED blinks after a battery swap but nothing works—what next?

The fob may be off-code or incompatible. Re-enroll it to the alarm using the programming procedure. If only the mechanical key works without arming, that further indicates the remote is not paired to the controller. Replace worn fobs if coding fails. [Elektroda, RobertGrzelak1984, post #16710757]

What does “CAN alarm” mean here?

It’s an add-on alarm that communicates over the vehicle’s CAN lines instead of only analog door/lock wires. The referenced system is a CAN-communication alarm sized about two matchboxes, commonly installed by dealers. [Elektroda, spinacz, post #16710825]

Should I repair or replace this specific alarm model?

A pro recommended replacement: “throw it out and put something new with a guarantee.” These units were widely installed and often removed for range loss or failure. Newer CAN alarms offer better reliability and support. [Elektroda, spinacz, post #16715861]

If I replace the controller, will I need to redo all wiring?

Typically no. You can install another CAN alarm with minimal changes because it connects to the same vehicle lines. Expect some adaptation, but not a full rewire. [Elektroda, spinacz, post #16715959]

How much should I expect to pay for a replacement remote?

One owner confirmed a compatible new remote at PLN 65 for the identified controller. Prices vary by brand and region, but this is a useful reference figure when budgeting. [Elektroda, RobertGrzelak1984, post #16723762]

Why do these fobs look like gate/roller-blind remotes? Are they OK?

Yes, some aftermarket car alarms use generic multi-button transmitters that resemble gate remotes. Their appearance signals an add-on system rather than a factory Skoda key. Function is fine if correctly coded. [Elektroda, sosarek, post #16710820]

What’s an edge case to avoid with two keys and one armed car?

Do not unlock with a spare mechanical key if the car was armed by remote. One owner reported the siren howled for over two hours after doing this. Disarm with the same remote that armed the system. [Elektroda, RobertGrzelak1984, post #16710757]

I hear high-pitched beeps from the steering column when pressing the fob—normal?

Yes. Users reported faint beeps from the column area when pressing the remote, with no relay clicks elsewhere. This is consistent with an integrated add-on controller and siren feedback. [Elektroda, RobertGrzelak1984, post #16710757]
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