Sonata: P0715 P1529.. even after replacing input speed sensor

Discussion in 'Hyundai Sonata' started by sajaldogra, May 9, 2006.

  1. sajaldogra

    sajaldogra Guest

    I have a Sonata 2002 LX, with a 'check engine light' problem. I took
    it to Autozone, the codes were P0715 and P1529. Based off what I'd read
    here, I bought an input speed sensor and replaced it. There was no
    problem for a day or 2. Now again, it throws a check engine light. What
    should I do, if it's not the input speed sensor?
    sajaldogra, May 9, 2006
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  2. sajaldogra

    sajaldogra Guest

    Oh.. and just to add.. after replacing it and driving in the auto mode,
    the car took it's time in shifting gears.. It would go to above 3000
    rpm before shifting to the next gear..
    sajaldogra, May 9, 2006
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  3. sajaldogra

    hyundaitech Guest

    First, check your work. Make sure the input speed sensor is plugged in and
    bolted in properly. If you replaced the correct sensor, you had to move
    the shift cable bracket to get it out.

    I'm presuming you cleared the codes after repair. If so, go have the
    codes reread and see if they're the same. I've had a couple cases where
    the input sensor failure occurred in rapid succession with an output
    sensor failure.
    hyundaitech, May 10, 2006
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