Question about Chevrolet Suburban 1500

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My 2003 Suburban is stuck in 4 wheel low

My 2003 Suburban switched to 4 wheel low when I started the car this morning (on it's own). It will not allow me to manually switch it to anything else. Any suggestions? Commuting to work in 4 wheel low is pretty much impossible.

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  • Laura Sorn
    Laura Sorn Jul 20, 2009

    I will give that a try when I get home. Thanks for the advice. I'll leave another comment with the results.

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  • Chevrolet Master
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It sounds as if it is a module eprom issue. When the key was turned on the program was scrambled.Try disconnecting the negative and positive battery cables. Once both are disconnected from the battery, touch the two cables together for 1 minute, this will drain the reserve energy in the module. This process will reset the modules to factory default.
Reconnect the battery, positive first then the negative.

Posted on Jul 20, 2009

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Posted on Jan 02, 2017

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