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CATEGORY LISTINGS > DETROIT > DDEC 3 S60 11.1 Engine Light Help? [ REFRESH ]
Thread Title:

DDEC 3 S60 11.1 Engine Light Help?


Created On Sunday August 15, 2010 16:48 Diesel Talk
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jsnap
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Posts: 53
Joined: Feb 2008

Note Sunday August 15, 2010 16:48 View thread in raw text format
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Hi fellas My check engine light came on about 3 seconds went off, came back for about 5 seconds and went off again, but I didnt set any codes. Whats the deal with that I thought when the light went on it logged a code. Ps the truck ran fine all threw this. Is this common or is trouble looming please let me know..

Edited: Sunday August 15, 2010 at 16:48 by jsnap
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FredMiller
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Joined: May 2009

Note Monday August 16, 2010 09:58 View thread in raw text format
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Hi,

First of all, let me say that I am far from an expert on this! There are many others on this forum who are and they will probably chime in pretty soon. I defer to the professionals.

From what I have read any code thrown should register in the ECM as a historical code if it is no longer active (active codes keep the light on steady). If you are getting an intermittent light and no code registered my troubleshooting manual says to suspect a chaffing harness and find a short to ground on it. In the manual for my International it shows connector 273 on the ECM with pin B2 for the stop engine light and pin B1 for the check engine light.

Good luck finding it if the problem is intermittent.

Fred
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jsnap
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Posts: 53
Joined: Feb 2008

Note Wednesday August 18, 2010 16:11 View thread in raw text format
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<< Hi fellas My check engine light came on about 3 seconds went off, came back for about 5 seconds and went off again, but I didnt set any codes. Whats the deal with that I thought when the light went on it logged a code. Ps the truck ran fine all threw this. Is this common or is trouble looming please let me know.. >>



So I decided to check the power and ground leads @ the ECM and battery thinking maybe it was a voltage problem that put the CE light on and off without a code. And low and behold @ the ECM in the( A) position of the connector I find a completley coroded and broken wire but the truck ran fine please explain that to me. Anyway I fixed it could that have been my problem.
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