Smart key worked, pressed "Key" button and lost Sks function.

Discussion in 'Gen 2 Prius Main Forum' started by Whodamans, Feb 19, 2026 at 1:19 PM.

  1. Whodamans

    Whodamans New Member

    Joined:
    Yesterday
    2
    0
    0
    Location:
    Michigan
    Vehicle:
    2008 Prius
    Model:
    N/A
    So i tried to get a spare key i ordered off amazon... TLDR i got it to work on the ignition but i cannot get it to work on the door locks (the car recognizes me pressing buttons but does the double lock refusal) Ive tried at least 20 times.

    Regardless THE ISSUE is my original key that worked FINE in every way before this (still works with the locks and plugged into ignition but no smart functions) stopped working wirelessly after i pressed the smart key button by my knee on and off.

    How do i get the smart key function back? its my only fob working the door locks at the moment so i am worried that ill make the situation even worse.

    2008 Prius
    Original Key: Works remote door locks and ignition slot
    Amazon key: Works only in ignition slot
     
  2. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
    13,259
    2,394
    0
    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    So the Amazon fake you ordered is correct for SKS functions has that funny number moq or such . You got the one for SKS.,? Others have had the same problem.
     
  3. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
    13,259
    2,394
    0
    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    If you were able to scan you're immo functions you'd see the issue .the lil chip isn't talking to car . Electronic locksmith needed . He will have the tools to scan your imo and read all remotes id4 info some of it don't match and limited functions
     
  4. Whodamans

    Whodamans New Member

    Joined:
    Yesterday
    2
    0
    0
    Location:
    Michigan
    Vehicle:
    2008 Prius
    Model:
    N/A
    Yes i made sure to get the "silver logo" with the mezg103 code (whatever it is)

    Ive checked 10 times that i ordered the right one i guess i just got scammed for 66$ (4 stars 2,900 reviews, figured it was worth a shot) id be fine with it JUST doing the ignition and cutting the key to get in the door for emergency's. But...

    The big problem is during this my original key lost its SKS function, and that bothers me a LOT as it is falling apart and really needs this cover to hold it together (aka wont fit in the slot)

    I cant find any method to reprogram the only key you have to SKS again, its really weird that it dropped off just because i touched the button.... im worried it loses more functionality if i keep messing with it.
     
  5. dolj

    dolj Senior Member

    Joined:
    May 14, 2012
    8,500
    4,313
    0
    Location:
    Wellington, New Zealand
    Vehicle:
    2007 Prius
    Model:
    N/A
    That 'Key' button is the SKS disable switch. You press it in to disable SKS. You toggle it out to re-enable SKS. It sounds like the button is still in, even though you say, "pressed the [...] key button by my knee on and off." I would check again to ensure the 'Key' button is definitely in the 'Out' position.
     
  6. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
    13,259
    2,394
    0
    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    I get it so the remote you ordered would not fit in slot ? That's not good . Pics would be great. So the new case is not being used? You know we're original coffin chip is ? Did new remote have one???