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2007 key fob...dead?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Dave0706, May 9, 2014.

  1. Dave0706

    Dave0706 New Member

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    Hello everyone,

    My new (2007) Prius came with 2 smart keys. One works, the other I was told, needed a battery change.

    I changed the battery but it is still dead. I noticed when performing the change that the old battery had been in there for way too long and it left the battery compartment all rusty. The contacts seem good though, as they appear to be either gold plated or brass. Nonetheless, it doesn't work at all.

    Does anyone here have any ideas? It was a brand new battery so it's definately got charge.

    Thanks

    Dave
     
    #1 Dave0706, May 9, 2014
  2. Patrick Wong

    Patrick Wong DIY Enthusiast

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    If the old battery leaked electrolyte into the non-working fob, then you probably need to obtain a new fob.
     
    #2 Patrick Wong, May 9, 2014
    Dave0706 likes this.
  3. bisco

    bisco cookie crumbler

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    sometimes a button gets stuck and prevents operation.
     
    #3 bisco, May 10, 2014
    Dave Jeffries likes this.
  4. Easy Rider

    Easy Rider Active Member

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    You should have asked the seller to replace the battery and demonstrate that it works.
    Too late now; maybe next time.

    It sounds like the corrosion is too extensive and it's shot.
    A thorough washing/cleaning with some isopropyl alcohol (rubbing alcohol) and a tooth brush followed by
    a thorough drying period before installing a new battery might help.......but the odds are not good.
    It is also possible that the "new" battery is dead too.

    Sometimes a locksmith can get and program a replacement for a LOT less than a dealer.
     
    #4 Easy Rider, May 10, 2014
  5. Dave Jeffries

    Dave Jeffries Junior Member

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    II
    10 years later and this was my issue. Of all things, the panic button was to one that was stuck.
     
    #5 Dave Jeffries, Mar 22, 2024
    bisco likes this.
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