Receive ERROR: P1378 FICM Supply Voltage Circuit Low

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Oct 13, 2013 | 02:38 AM

takov

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Receive ERROR: P1378 FICM Supply Voltage Circuit Low

Can someone help me?
I am receiving ERROR: P1378 FICM Supply Voltage Circuit Low on my Mazda 6 diesel 2006.
Does anybody knows what this error means and how critical is it ?

Thanks in advance.

Oct 13, 2013 | 03:01 AM

grim_reaper

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From: Queensland Australia

Have you tried clearing it?

Oct 13, 2013 | 03:30 AM

takov

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Yes, I've tried, but after ~1 minute it started again.

Oct 13, 2013 | 08:05 AM

Kevinkpk

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Joined: Mar 2012

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From: Tulsa

Try this link
FICM testing procedure - Ford Truck Enthusiasts Forums

Oct 13, 2013 | 03:03 PM

takov

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Joined: Oct 2013

Posts: 3

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Thanks

I deleted the error again and everything seems OK. If the error pop up again I will try Kevinkpk's suggestion.

Thanks again for your help

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