Error code 39

Discussion in 'General Chevy & GM Tech Questions' started by Malsteem, Sep 2, 2009.

  1. Malsteem

    Malsteem New Member

    Hey Guys,
    I had a friend take his car computer checker and check out my Suburban and the only code it showed was #39.

    From what I can tell it is TCC knock Sensor

    Has anyone had to change one of these?
    Last edited: Sep 2, 2009

    99'HEARTBEAT MODERATOR Staff Member 5+ Years ROTM Winner 1000 Posts Platinum Contributor

    What year Suburban????......You can also take your ride to Auto Zone,Pep boys etc. and they can pull up code and tell you what is wrong.
    Last edited: Sep 2, 2009
  3. Malsteem

    Malsteem New Member

    1994 5.7LT 350

    I live out in No-wheresville

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