cant read codes? help - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 01-21-2012, 11:03 AM Thread Starter
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cant read codes? help

I have a snap on scanner that works. I am trying to check a friends codes. His ses light is on. I plug in the scanner and nothing happens. Its as if there no power to the obd2 port. This scanner is fine and works on both my trucks. What would cause this? is there a fuse that can go that will allow the truck to run and drive but kill power to the obd plug?
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2008 6.4 f250 lariat 4wd
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post #2 of 5 Old 01-21-2012, 11:05 AM
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I ran into this on a 00 i think? There is a fuse that won't let you get power to the port, but I don't remember what one.

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post #3 of 5 Old 01-21-2012, 01:29 PM
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Usually the same fuse that runs the cigarette lighter.

Sold 2001 f250 ccsb 4x4 400/400, dual terminators, swamps 80mm bfh, headers, bts and all the usual supporting mods. 715hp fuel only.

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post #4 of 5 Old 01-21-2012, 03:33 PM
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AND the PCM,,,, your WTS is ON?

Maybe the PCM itself isn't powered-up. You can check for power in the OBD-II connector (I'm pretty sure +/- is in one of the corners next to each other)
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post #5 of 5 Old 01-21-2012, 03:38 PM Thread Starter
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thx, I got it fuse 3 blown

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