diagnostic port
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diagnostic port
Hello all, 2004 crew cab long bed 4x4 6.0 My problem is my scan gauge no longer connects to the pcm.i plug it in and it just says connecting until it times out and shuts off. the scan gauge works on other vehicles. i also have a superchips tuner and it does the same thing on this truck. my question is where to begin finding the reason why it doesnt work. i've checked fuses, looked for chaffing out by the pcm,disconnected the batteries, and so far no luck.there is 12volt power on the plug. any help will be greatly appreciated.
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maevans
1999 - 2003 7.3L Power Stroke Diesel
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Apr 28, 2014 06:06 PM
