Help with two Trouble Codes.

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Oct 15, 2008 | 10:34 PM

Lane Jason

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Help with two Trouble Codes.

Hello,
I been having two trouble codes come up on my 2005 6.0L Superduty.
The first code is U0407 and the other is P0611. I am having trouble for the first few minutes in the morning when the truck is cold. It is idling very rough and once I start to move and accelerate, the truck will vibrate harshly from running so rough. I have also noticed that sometimes I can push on the accelerator and the truck does not respond as if I was not even pushing on the pedal, and about three seconds later the truck will then respond to the accelerator.
Once the truck has come up to normal operating temperature everything works great. These troubles usually happen on first thing in the morning on startup and severity varies with the outside temperature.
I am thinking that I may have a glow plug not working or some sort of sensor problem. Any thoughts on this subject is welcome.

Thanks

Oct 16, 2008 | 12:18 AM

riggz

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From: Dunwoody, GA

P0611 = Fuel Injector Control Module Performance (Probably Cause: Internal FICM error)

Not sure on the U0407

Oct 16, 2008 | 06:49 AM

BowTieHatr

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From: Florence,SC

that 611 means you need a new ficm, and that could cause your running rough issues as well.

Oct 16, 2008 | 09:41 AM

pfoutsr

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From: Utica, Michigan

<TABLE class=code_result_table><TBODY><TR><TD>U0407</TD><TD> Generic</TD><TD> Invalid Data Received From Glow Plug Control Module</TD></TR></TBODY></TABLE>

Nov 4, 2008 | 08:50 PM

Lane Jason

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I had booked an appointment with the dealer to check the function of the FICM and it was confirmed that it had a problem. The FICM was replaced and reprogrammed and they also reprogrammed the PCM,and TCM.
All seems to be working fine now. Cost of service was $1,289.00 for those who are considering they have the same problem.
Just for information: When I removed my Bully Dog Program and returned it to stock it would not give me the P0611 code anymore, but it still had the same sympthoms, so if you have a similar issue maybe don't expect a DTC.

Thanks for all of your help, your opinions are greatly valued.

Jason Lane
Airdrie,AB