Checking registered key fobs

Discussion in 'Gen 2 Prius Accessories & Modifications' started by Sean I., Aug 27, 2019.

  1. Sean I.

    Sean I. New Member

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    2007 Prius
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    I know Gen 2 Prius can only have up to 5 key fobs registered with ECU.

    I'm having trouble with programming a new non-SKS key fob.

    It got me wondering, maybe the new key fob isn't being programmed because I maxed out the 5 registered key fobs?

    How can I check how many key fobs have been registered (hopefully without using Techstream)?

    and more importantly, how can I clear it, without clearing the only key fob that works at the moment?
     
  2. bisco

    bisco cookie crumbler

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    yeah, techstream i think :unsure:
     
  3. ColoradoCrow

    ColoradoCrow New Member

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    I’m in the same boat. I just bought a 08 and I only came with 1 non SKS Fob. I’m planing on buying 2 more. What is a techstream? An OBD 2 reader of some sort? Forgive me I’m used to Range Rovers.
     
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