trouble codes p-1378,U0155,u0100
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Junior User
Joined: Jun 2006
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trouble codes p-1378,U0155,u0100
My 05,F350CC LB, keeps comming up with these codes on my edge platinun box,P-1378,U0155,u0100, Any body have a clue what it would be?Truck seems to run ok and always starts,fuel milage around 15 empty
Postmaster
Joined: Feb 2006
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From: waynesville, mo.
p1378---ficm supply voltage circuit low.........u0155---lost communication with instrument cluster.........u0100---lost communication with ecm/pcma........ Looks like all of them are caused by your controller. Still think we cant see them?
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Junior User
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So what your saying is the edge is setting the codes?It's been on for three months but the codes just started recently,I had the insturment cluster out is it possible that I have a bad connection there throwing the codes?
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Joined: Jan 2007
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My 05 350CC LB also sets the same exact codes with an edge platinum. Runs fine though. The turbo cool down timer may cause some of the problems. I believe the platinum keeps the PCM powered up when the key is off until the cool down EGT is reached. PCM probably thinks something is wrong if engine is running with the key off.
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