DPC-203 All the same?
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Freshman User
Joined: Sep 2006
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DPC-203 All the same?
So after spending hours diagnosing this truck I'm pretty certain that the PCM is wasted. It came in with a no start which I posted about a few days ago and after testing all the usual I found oil/diesel soaked and bare wires under filter housing that go to the IPR and I think they shorted and burned up the driver for IPR in the PCM. I replaced them and still got a no start unless I jump the IPR to battery. I ohmed wires to PCM and it all checked out good so I tried my PCM in another 95 truck and got the same no start with low ICP pressure cranking (WTS lamp did come on). I found a DPC-203 at Rockauto with same part# as mine (F5TF-12A650-FJ) but the description says for automatic. Mine is standard and after emailing them they told me it was not compatible. I have read that I can use any PCM of the same DPC-203 family but I have seen mixed results and posts as to the differences.
Cargo Master
Joined: Feb 2009
Posts: 2,111
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From: Yreka, CA
Quite a few of us running auto pcm's after we've swapped manuals in. I have no noticeable issues with mine. Some guys get wandering idles or romps on start up.
It's been right at 2 years since I put the manual in my truck and no issues so far. You may have to make some wiring modifications for the cruise control to work.
It's been right at 2 years since I put the manual in my truck and no issues so far. You may have to make some wiring modifications for the cruise control to work.
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