What's the difference: "DTC ALL" and "DTC Not

Predator support for GM diesel vehicles

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ThurmanMerman
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Joined: Tue Jun 08, 2010 5:09 pm

What's the difference: "DTC ALL" and "DTC Not

Post by ThurmanMerman »

I've got a predator U7180 and am running it on a 03 Sierra. I am getting some trouble codes but am wondering what the difference is between these two options on my predator.

"DTC ALL" keeps showing three of the same codes
"DTC Not Ran SCC" will give me different lists of codes between readings. I'll get anywhere bewteen 10 codes and 48 codes on this setting intermittently.
(the three codes from the DTC ALL never show up on the list of DTC not ran SCC codes)

Any input?
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mikel
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RE: What

Post by mikel »

Not ran since codes cleared is not really usefull....DTC ALL is whats current.
Mike Litsch
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