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P1670 code

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Old 10-18-2010, 07:14 AM
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jmunkie13 jmunkie13 is offline
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P1670 code

After almost a week of reading various posts and troubleshooting this code I just wanted to let everyone know my outcome...because it is the most left field fix I have ever read. I understand that the code is a "lack of communication between the IDM and PCM. After checking the PCM and the IDM and every wire and fuse I could find between what I found was that my right side battery had a dead cell!!!! New batteries...no codes and evrything running like a boss.

Crazy right?
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Old 10-18-2010, 11:45 AM
robs01f250 robs01f250 is offline
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it is crazy what a dead or low battery will do to a truck
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