PCM has No connection to Scan Tool? FRied? HELP - Ford Powerstroke Diesel Forum
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  #1  
Old 09-14-2011, 02:41 PM
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Exclamation PCM has No connection to Scan Tool? FRied? HELP

Hey guys I have a Snap On Diagnostic Scanner.

Im trying to read my dads truck codes, But for some reason it wont communicate with the PCM. It will plug into the port and power up but never hooks up.

I have the right software and eveerything.

I just read codes in my other truck 95 7.3 psd (manual) Same type of truck.
it linked great and ran tests perfectly.

But it wont on my dads truck.
I have the OBD2 port, and a K2 key. along with Ford Diesel INsight cartridge.

I have a feeling the computer is fried.

i also found that the UVCH connectors are bad. and were Smoking th other day when i started it
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Old 10-04-2011, 06:38 PM
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Most OBD2 systems werent put into production until 1996, the truck probably has an OBD1 system.
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Old 10-04-2011, 08:11 PM
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Quote:
Originally Posted by detroit-diesel View Post
Most OBD2 systems werent put into production until 1996, the truck probably has an OBD1 system.


OBDII didn't start till 96/97 model years. You need an OBD1 scanner.
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Old 10-05-2011, 12:20 AM
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You guys are wrong its obd2
I put the pcm in my truck andnit read fine theres a problem
With the wiring


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Old 10-05-2011, 06:11 PM
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Is there power at the OBD Port (pin 16, lower outermost pin on passenger side)? Does the Cigar lighter work? Cheers!
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  #6  
Old 10-06-2011, 09:22 AM
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Quote:
Originally Posted by Patrick Feeley View Post
Is there power at the OBD Port (pin 16, lower outermost pin on passenger side)? Does the Cigar lighter work? Cheers!
Yeah cigrete works and the tool powers on? Maybe a cut wire somewhere



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  #7  
Old 10-06-2011, 01:15 PM
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What year truck is your dad's?
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Old 10-06-2011, 09:47 PM
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Originally Posted by Patrick Feeley View Post
What year truck is your dad's?
1995 same year as mine


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