FICM code - Ford Powerstroke Diesel Forum
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Old 06-21-2010, 07:07 AM
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FICM code

This weekend my edge threw 2 codes one being P1378 "FICM Supply Voltage Circuit Low" and the other V0155 "Lost Communication with Instrument". Also through the check engine light. This is the second time it has done it in approx a month. Should I could be concerned or is this just a glitch with my programmer.

Another thing I noticed is sometimes when I start my truck cold it kind of hiccups for a second then chugs along fine. Never did this before, and thought maybe it could be time to change fuel filters, but can this also be a symptom of my FICM going bad???

Truck has 68k miles on it, so is it worth going to the Ford garage and having them test it or isn't this covered by the 100k mile warranty??
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Old 06-21-2010, 07:22 AM
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I'd say you may need a new FICM
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Old 06-21-2010, 07:24 AM
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Thats what I'm afraid of. How much are we talking and is there a possibility it's still covered under warranty??
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Old 06-21-2010, 07:34 AM
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Should be covered under the engine warranty 5 year/100k. Could be low battery charge too, does it seem to crank well?
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Old 06-21-2010, 07:39 AM
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Oh yea it cranks really strong. Just put two brand new batteries in it a couple months ago.
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Old 06-21-2010, 07:47 AM
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Fix UR FICM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

i'd try that first before i replaced it. and if i had to replace it i wouldnt go to ford, i'd contact swamps or php.
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Old 06-21-2010, 08:09 AM
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FICM is covered under the 5/100k.Its also covered under the federal emissions warranty law ans should be repaired or replaced free of charge if you have less than 85k on the truck and are within your 5yr period
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Old 06-21-2010, 08:12 AM
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Quote:
Originally Posted by Dave View Post
FICM is covered under the 5/100k.Its also covered under the federal emissions warranty law ans should be repaired or replaced free of charge if you have less than 85k on the truck and are within your 5yr period
Good to know
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Old 06-21-2010, 08:13 AM
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Well thats good to hear. I'll just have to take my Edge off before I head to the dealership to get it tested. I also have an aftermarket exhaust...don't think that will void anything do ya??
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Old 06-21-2010, 08:22 AM
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Quote:
Originally Posted by 06reddragon View Post
Well thats good to hear. I'll just have to take my Edge off before I head to the dealership to get it tested. I also have an aftermarket exhaust...don't think that will void anything do ya??
You should not have any problems. If its throwing the FICM code, it needs to be replaced for sure.
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