Finally! How to program a non-SKS key/fob. Detailed!

Discussion in 'Knowledge Base Articles Discussion' started by amethystjw, Mar 1, 2008.

  1. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

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    Are you trying to program a new fob or reprogram the old fob?
     
  2. Prius_Guy701

    Prius_Guy701 New Member

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    At first it was just trying to swap the parts to the clean case. I don't know if it lost the info during the swap or not. I thought it would continue to work as it was the original one. So the short answer would be I am trying to reprogram the original old one to work if possible. I have heard you can't use "used" fobs and they would have to be done with a locksmith/dealer, but I thought that with it being the original one that it would work.
     
  3. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

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    You cannot use this procedure to reprogram a broken fob. This is simply to program a new unused fob. If your old fob is not working, it obviously has something wrong with it and no amount of chicken dances will fix it.
     
  4. Prius_Guy701

    Prius_Guy701 New Member

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    Even if all I did was change the guts into a new case? It worked until changed the parts to a new case. The doors unlock fine, just won't start the car. So I will have to go to the dealership or locksmith?
     
  5. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

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    I can't tell you what the problem is with your fob but obviously something happened when you transferred it over to the new case. The most likely problem is a button is continually being pushed but, I can't really help more than that.
     
  6. RobH

    RobH Senior Member

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    Did you move the transponder as well as the circuit board? There is a chip about 1/2" x 1/8" x 1/8" in the case called a transponder. It's the active element when you plug the fob into the dash. Easy to not even notice it - check the old case.
     
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  7. Prius_Guy701

    Prius_Guy701 New Member

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    Worked like a dream my friend. I took the bare shell out to the car and tried to start it with just the empty shell....and car started up. I then took the transponder out and and into my new case and it work 100%. So now that I have made the one work....the next question I have is that as long as the transponder works on my other crap fob, could I take that transponder out one that I know starts the car.... and get a used circuit board (because the buttons on my second crappy one broke off) and reprogram the used circuit board to my car?
     
  8. borrowedcarbon

    borrowedcarbon Junior Member

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    These instructions worked for me. The added red lines were needed - the instructions in the first two messages of this thread didn't give me the two lock-unlock cycles, and no pairing. I have a 2008 nonSKS and one fob stopped controlling the doors. I had to relink both old and new fobs Following Jaquimo's instructions and they both work again. Thank you Jaquimo.

     
    #288 borrowedcarbon, Mar 15, 2016
    Last edited: Mar 15, 2016
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  9. TKLA

    TKLA New Member

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    I am in this same boat. I have an original black logo and purchased a new silver logo (before knowing what the difference was) and I was able to program the silver logo fob to start the car when inserted into the dash, but I can not get it to open the doors remotely. I don't want the sks functionality, I just want to be able to open the door with the remote by pressing the unlock button.

    So now I guess that I will have to use it as a backup for starting the car only.
     
  10. RobH

    RobH Senior Member

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    Or sell that new one on eBay - it's still new and could be added to any Gen2 SKS car. If you're happy with just the dash function, buy another used fob off eBay for half the price or less.
     
  11. flyerjonathan

    flyerjonathan Junior Member

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    so I get to the step where the car is supposed to function the locks twice and mine only functions the locks once? i was able to program the fob to start the car, but when i do the "dance" to enable the remote locking it does not take. (black logo non smart key fob)
     
  12. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

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    Try procedure C on this thread.

    How to Program a New Key Fob for Full SKS Functionality | PriusChat
     
  13. dann kaihua

    dann kaihua New Member

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    Ok guys, how bout this one. I have a prius 2005 i just bought. I got two keyfobs with it. My primary one had a dead battery so I replaced it. It shows response to pushing lock/ unlock buttons but won't unlock the vehicle. It will start it though. I have the other fob which had been squashed a bit. It would start the car also but no button response. I bought a new case for $15 on amazon and loaded the guts into the new fob-case. After I put a new battery in, the sks feature opens the door with proximity and via the lock/ unlock buttons. The car won't start with this fob though. Which fob is my master fob. I assume I use the fob that starts the car to program the one that opens the car. Could I reverse the order when programming the lock/ unlock feature? HELP please!

    Dann
     
  14. RobH

    RobH Senior Member

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    If the fob buttons work, but you can't start the car with it inserted into the dash slot, then it's a problem with the transponder registration. The transponder is a separate chip inside a Gen2 keyfob. When you switch to a new case, you have to move both the circuit board and the transponder chip. Transponder registration is the short sequence generally called procedure "A".
     
  15. dann kaihua

    dann kaihua New Member

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    Yup... I threw that one away! Oh well I guess I get a trip to the dealer.
     
  16. peacenik1949

    peacenik1949 New Member

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    My prius is SKS equipped. Can I program a back key fob (non SKS) and make it work in this car?
     
  17. RobH

    RobH Senior Member

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    You can program the transponder portion that allows you to plug the fob into the dash. The lock/unlock buttons on a non-SKS fob are not compatible with a SKS car.
     
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