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Discussion Starter · #1 ·
I am looking for some place that sells either new or remanufactured PCMs for the 2003 Duramax. As I understand it, the 2001-2002 PCMs are different than the 2003 PCMs.

Thanks!
 

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2001 PCM's are by themselves P/N 09388505 and 2002 & 2003 are the same P/N 12210729. Try your local GM dealer to purchase them.
 
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