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FICM Voltage

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Old Aug 18, 2010 | 05:55 PM
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FICM Voltage

I just got my new Auto Enginuity cable today. The check engine light is not on, and there are no FICM codes. Tht AE Live Data Meter says that my FICM voltage is 47.5V, is that too low? The check engine light is not on, and there are no FICM codes.
 
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Old Aug 18, 2010 | 05:56 PM
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Good question. I was always told anything under 48V was a problem but does .5V really mean that much?
 
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Old Aug 18, 2010 | 06:25 PM
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IIRC it's less than that (45 or 46 I think). IF your FICM voltage drops severly on cranking then you have problems, otherwise it's fine.
 
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Old Aug 18, 2010 | 07:05 PM
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45v koer is min spec
 
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Old Aug 18, 2010 | 07:39 PM
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I took the truck for a ride, most of the time the voltage was at 47.5V but several times I saw it drop to 46.5V. Should I take the FICM apart to check for the bad solder connection, when I have some time?
 
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Old Aug 18, 2010 | 07:43 PM
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Originally Posted by cheezit
45v koer is min spec
What does koer mean?
 
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Old Aug 18, 2010 | 07:44 PM
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key on engine running
 
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Old Aug 18, 2010 | 07:50 PM
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Thanks for the responses. One of these days when I have time I will check the circuit board solder connections.
 
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