code P1682 on 2012 cruze
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Thread: code P1682 on 2012 cruze

  1. #1
    martyf is offline [OP]
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    code P1682 on 2012 cruze

    wondering if anyone else had this problem and if so how did you fix it? also code P2076. other problems also but would like to start with these. any help would be greatlu appreciated

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    The P2076 will turn up a couple results here...basically the flap in the intake manifold is stuck or broken. Some have reported that you can detach the arm underneath the intake, wiggle it back and forth, and reattach it...basically, crudded up by PCV gunk.

    I have never seen the other code. Might guess negative battery cable.
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    martyf is offline [OP]
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    Thank you will try that. Also have you heard about traction control coming on sometime then off and no codes? Also power steering went out a year ago, pulled over and shut it off for about 10 minutes and then everything was fine but ac wont work since then.

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    Quote Originally Posted by martyf View Post
    Thank you will try that. Also have you heard about traction control coming on sometime then off and no codes? Also power steering went out a year ago, pulled over and shut it off for about 10 minutes and then everything was fine but ac wont work since then.
    You are making even more of a case for a faulty negative battery now...quite common on Cruzes. There's an extended warranty campaign out for it, but it takes about 10 minutes and $20 to fix it yourself.
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    martyf is offline [OP]
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    Thank you for that. Do I need to change negative cable or something else.

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    P1682 is the ECM ignition power relay fault. It's from the ECM sensing two different battery voltages. It can be caused by a bad battery cable, but it's usually the relay or the fuse block. Diagnosis is preferred to parts replacement, but swapping the KR75 Engine control relay with another one of the EXACT SAME PART NUMBER from the fuse block could be a quick check.

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    P1682 Driver 5 Line 2

    This is for GMC, but is similar

    Caused by a blown fuse on a Corvette

    Silverado


    What causes the P2076 code?


    • Faulty IMT valve position sensor
    • IMT valve position sensor wires that are broken, shorted, frayed, disconnected or corroded
    • IMT valve position sensor connector that is disconnected or corroded
    • Faulty MAF sensor
    • MAF sensor wires that are broken, shorted, frayed, disconnected or corroded
    • MAF sensor connector that is disconnected or corroded
    • Faulty barometric pressure sensor
    • Barometric pressure sensor wires that are broken, shorted, frayed, disconnected or corroded
    • Barometric pressure sensor connector that is disconnected or corroded
    • Carbon build up on the intake manifold tuning valve
    • Intake manifold tuning valve stuck open/closed
    • Faulty PCM

      Read more here

      "Please Help Find Part" IMT Sensor Code, P2076
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