Question about 2003 Chevrolet Silverado 2500HD

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Doors unlock and loss of power

I have a 2004 chevy 2500 HD that the doors unlock as I am driving down the road, and the check engine light comes on and truck RPM's go down as if the truck shuts itself off and then it catches again and regains power?. Also My lights dim while it does this.I have ran a diagnostic test on my truck and it shows no codes. i have already tightened the battery cables as well as check grounds straps. all are tight and in working order.

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  • cruzerj May 28, 2009

    The truck is now giving 2 codes saying Crank shaft position sensor high input and low input. and the truck just completely shut off by itself in my driveway for the first time??

  • cruzerj May 28, 2009

    Camshaft position sensor rather not crank shaft..

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It sounds like it may be in your security system

Posted on May 23, 2009

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Posted on Jan 02, 2017

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