Mechanics

CADILLAC STS PROBLEM

2001 Cadillac STS • 151,000 miles

On my 2001 Cadillac STS I got the codes of PCM P1644 and P1860, What do those codes mean and what will need to be done to fix them? Also got RSS code of C0635, C0640, and C0710, thanks in advance.
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February 14, 2013.



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