No communication - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 14 (permalink) Old 02-24-2010, 01:25 PM Thread Starter
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No communication

My buddy has a 97 PSD like mine and he cant communicate with his scan tool via OBD 2. Is his ECM bad or is it possible that someone before him had a tuner on it? If his ECM is bad, anyone on here have one they want to get rid of or know of a place besides ford to get one?????
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post #2 of 14 (permalink) Old 02-24-2010, 02:02 PM
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Re: No communication

Check the cig lighter fuse.

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post #3 of 14 (permalink) Old 02-24-2010, 02:51 PM
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Re: No communication

Quote:
Originally Posted by greenbeast View Post
Check the cig lighter fuse.


the fuse for the cig lighter is also for the obd port

02 f250
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post #4 of 14 (permalink) Old 02-24-2010, 06:20 PM Thread Starter
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Re: No communication

fuse is good... if someone had load tunes from a tuner can you still communicate with a scan tool?
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post #5 of 14 (permalink) Old 02-24-2010, 07:20 PM
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Re: No communication

Does the truck run? My truck communicates with AE with a chip installed. If the truck doesn't run it may be a bad ECM.

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post #6 of 14 (permalink) Old 02-24-2010, 07:44 PM Thread Starter
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Re: No communication

yea the truck run fine, but hes worried if something goes wrong he wont be able to find out whats wrong with it. Know of a good place to get an ECM?
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post #7 of 14 (permalink) Old 02-24-2010, 10:47 PM
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Re: No communication

What scan tool is he using?

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post #8 of 14 (permalink) Old 02-24-2010, 10:48 PM
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Re: No communication

I think you're barking up the wrong tree here.

You never mentioned what scan tool he has. Some less expensive scan tools cannot communicate with PSDs. I would try using a good scan tool like one from Snap On or the factory scan tool to try to communicate with the truck.

The only times I've been unable to get a good scan tool to communicate was the cigarette lighter fuse was blown, the trucks batteries were dead, or the PCM was bad. And when the PCM's have been bad, the trucks did not run right, or run at all.

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post #9 of 14 (permalink) Old 02-24-2010, 11:11 PM
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Re: No communication

If it is AE you need to choose NON OBDII!

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post #10 of 14 (permalink) Old 02-25-2010, 04:30 PM Thread Starter
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Re: No communication

he has a matco scan tool
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