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I have a 2004 GMC Sierra SLE with the P1680 code, where is this control module located?

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I have a 2004 GMC Sierra SLE 402cid with the P1680 code, where is this control module located?

Vehicle: 2004 GMC Sierra SLE 402cid

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P1680 PCM control module

The location for the  PCM  Right near the radiator , front.
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P1680 GMC Code - Control Module Not Programmed
Read more: https://www.autocodes.com/p1680_gmc.html

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