2003 ISC 8.3 in RV with bad ECM
01-10-2026, (Subject: 2003 ISC 8.3 in RV with bad ECM ) 
Post: #5
RE: 2003 ISC 8.3 in RV with bad ECM
(01-10-2026 )Rawze Wrote:  
(01-10-2026 )dwcjwerfner Wrote:  ...I have bought a used ECM with no programming on it.
...

I hope you got it real cheap.. and that it doesn't matter that much if you end up on the side of the road again ... because used ECM's on commercial equipment = nothing but headaches in the end.

Jumping over a dollar to save 10 cents ... that is what your doing.

I agree and not happy about it. I wasn't trying to save money, it was just available, well after a 2 hour each way drive.
My problem is I am 1200 miles from home and was heading that way yesterday, which was Friday afternoon.
My options, were to wait until next Wednesday to get a remanufactured ECM.
My wife and I are supposed to be at work on Monday and since it is now Saturday evening, that is not obviously going to happen. My thought was if I could at least get it running, I will them send it in to a reputable place for refresh. A bit more money than buying a refurbished when you send your core in. Then I will have a spare.
It only has to go 300 miles to where I store it in Florida.
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RE: 2003 ISC 8.3 in RV with bad ECM - dwcjwerfner - 01-10-2026



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