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cruse control only works when it feels like it

Discussion in 'Gen 2 Prius Technical Discussion' started by Bob Holliston, Apr 17, 2019.

  1. Bob Holliston

    Bob Holliston Junior Member

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    2005 Prius
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    Sometimes the C/C works...…. sometimes it doesn't. Also, the keys (2) don't work unless I put them in the ignition, new batteries in both. Lock/unlock buttons don't work either.
     
    #1 Bob Holliston, Apr 17, 2019
  2. bisco

    bisco cookie crumbler

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    Vehicle:
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    Plug-in Base
    12v health?

    test the clock spring by trying the horn in all wheel positions
     
    #2 bisco, Apr 17, 2019
    SFO likes this.
  3. 2009touring

    2009touring Junior Member

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    Had an issue with my 09 but mine where it would disengage with a slight bump. Turned out to be the brake light switch by the pedal.
     
    #3 2009touring, Apr 17, 2019
    R-P and SFO like this.
  4. Tynyyn

    Tynyyn Member

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    Either a clock spring or a brake light switch. You might want to do a search on the recall for brake light switch from Toyota. Try that first before you crack into the steering wheel.

    If you gotta get a clock spring the best price will be from Amazon but it will come from China and will take about three weeks to get to the States. A brake light switch is available from any local parts store, but it is pricy. Pulling the trim skirt from around the bottom of the steering wheel is a must unless you have the arms and fingers of a five year old.

    I just replace the brake light switch on my Prius in order to cure my wonky CC. Just my two cents, but I'd give the brake light switch a go, first before you test the waters of the clock spring.

    Hope this helps.
     
    #4 Tynyyn, Apr 17, 2019
  5. R-P

    R-P Active Member

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    2009 Prius
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    I stlll wanted to check all connectors between ABS sensors and ECU. Never figured it might be something so simple... Been having trouble for years.

    So there has been a recall? I'll phone my dealer to check.
    I have asked about it at their service desk but they played dumb (the slight-bump=CC disengage, not the brakelightswitch)
     
    #5 R-P, Apr 26, 2019
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