PCM Fried? - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 12-14-2012, 12:01 AM Thread Starter
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PCM Fried?

I was driving back and realized my lights were really dim and the battery signal came on so I pulled my tuner up to measure voltage and it was running on 6.9V. As soon as I pulled up to park it started to throw bad voltage codes for different systems(P0562,P0046,P0528). I believe the PCM is fried or has a short of some sorts but I am at my whits end with this problem. Any thoughts on the subject?

-Jordan
04 F350 Lariat (35" Pro Comp Extreme A/Ts, 8" Sky manufacturing lift, Skyjacker brake lines, Edge programmer, Swamps 58v FICM, DC Power Engineering 185Amp alternator, "Blue Spring" upgrade, AFE intake, Single 5" stack)
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post #2 of 6 Old 12-19-2012, 09:11 AM
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Click my username and find the thread i started called ecu lockout.

I had something similar to this happen and it was the battery terminals shorting out, causing a surge to the connection box under the cab, which shut down all of the modules to save them. My truck wouldn't run unless codes were deleted, and when i did that, my security light popped on and it froze up my tuner so i couldn't read codes or delete codes or do anything. I couldn't load recovery files. After 2 months of sending SCT my pcm,tcm and tuner back and forth, i decided to have my truck towed to Innovative Diesel in MD who figured out my battery terminal was bad.

I forget the codes it was throwing.

97 F250 ECLB
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post #3 of 6 Old 12-22-2012, 02:48 PM Thread Starter
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just replaced the battery terminals....what a b!tch. now i have to replace my starter cause the solenoid was so rusty and corroded and sheared the bolt then the solenoid screws wouldnt budge. great thinking Ford...haha

-Jordan
04 F350 Lariat (35" Pro Comp Extreme A/Ts, 8" Sky manufacturing lift, Skyjacker brake lines, Edge programmer, Swamps 58v FICM, DC Power Engineering 185Amp alternator, "Blue Spring" upgrade, AFE intake, Single 5" stack)
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post #4 of 6 Old 12-23-2012, 05:19 AM
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So was that the problem? Mine had the brake control module shorting out causing it to shut down.

T-rav
2010 F350 6.4-
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post #5 of 6 Old 12-23-2012, 01:43 PM Thread Starter
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Wont know till i get the new starter in.

-Jordan
04 F350 Lariat (35" Pro Comp Extreme A/Ts, 8" Sky manufacturing lift, Skyjacker brake lines, Edge programmer, Swamps 58v FICM, DC Power Engineering 185Amp alternator, "Blue Spring" upgrade, AFE intake, Single 5" stack)
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post #6 of 6 Old 12-28-2012, 10:34 AM
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Quote:
Originally Posted by jclayto4 View Post
Wont know till i get the new starter in.
Me an travish3 went through some serious electrical BS. Let us know if u need help.

Call innovative diesel if you cant figure it out yourself, they diagnosed my truck.

97 F250 ECLB
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