Receive ERROR: P1378 FICM Supply Voltage Circuit Low

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10-13-2013 | 03:38 AM

takov

Thread Starter

Junior Member

Joined: Oct 2013

Posts: 3

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.

10-13-2013 | 04:01 AM

grim_reaper

Super Moderator

Joined: May 2012

Posts: 7,569

From: Queensland Australia

Have you tried clearing it?

10-13-2013 | 04:30 AM

takov

Thread Starter

Junior Member

Joined: Oct 2013

Posts: 3

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

10-13-2013 | 09:05 AM

Kevinkpk

Senior Member

Joined: Mar 2012

Posts: 444

From: Tulsa

Try this link
FICM testing procedure - Ford Truck Enthusiasts Forums

10-13-2013 | 04:03 PM

takov

Thread Starter

Junior Member

Joined: Oct 2013

Posts: 3

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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