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Thread: 2003 Trailblazer 5.3 / 4L60E Drive by Wire to Drive by Cable

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  1. 11-23-2015 #4
    mecanicman
    mecanicman is offline
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    Also if the PCM is a 2003 it must be service number 12576106. Not all pcms have the drivers installed to control the iac.

    Edit: see you looked into this already.
    Last edited by mecanicman; 11-23-2015 at 09:15 AM.
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