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Guest Message by DevFuse

Get you C-MAX Energi Registered in the official Ford Authorized Registry. More here.


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DTC P04EF - Current Fault


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8 replies to this topic

#1 OFFLINE   TopherTheME

TopherTheME

    New Member

  • C-MAX Energi Member
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  • Region:U.S. Northeast
  • LocationMichigan
  • Current Vehicle:2014 C-Max Energi

Posted 07 September 2014 - 06:49 AM

I've gotten a current fault, P04EF, twice in the past week and no idea whats causing it. Its happened twice when I turn the car on, unplugged and plugged in. The car still operates normally and everything seems fine except for the check engine light. Anyone get this one before?









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#2 OFFLINE   larryh

larryh

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  • C-MAX Energi Member
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  • Region:U.S. Northern Plains
  • LocationMN
  • Current Vehicle:2013 Fusion Energi Titanium

Posted 07 September 2014 - 08:15 AM

See the OBDSM1303HEV.pdf document at http://www.motorcraf...t&menuIndex1=10:

 

P04EF - EVAP System Very Small Leak Detected - Fresh Air Side (PHEV)


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#3 OFFLINE   Don

Don

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  • Region:U.S. Pacific Coast
  • LocationCalifornia
  • Current Vehicle:C Max Energi

Posted 07 September 2014 - 09:44 AM

This thread is about the issue you are experiencing: http://fordcmaxenerg...-light-problem/
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#4 OFFLINE   TopherTheME

TopherTheME

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  • Region:U.S. Northeast
  • LocationMichigan
  • Current Vehicle:2014 C-Max Energi

Posted 07 September 2014 - 01:13 PM

Thanks for the info. Looks like I'm not the only one to have gotten this. Guess I'll be stopping at the dealership on Monday.



#5 OFFLINE   FordService

FordService

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Posted 08 September 2014 - 06:41 AM

Thanks for the info. Looks like I'm not the only one to have gotten this. Guess I'll be stopping at the dealership on Monday.

 

Keep us posted, TopherTheME. I'll hang around this thread just in case you need my help.

 

Crystal


  • radiobrown likes this

#6 OFFLINE   chryssa

chryssa

    New Member

  • C-MAX Energi Platinum Member
  • 105 posts
  • Region:U.S. Great Lakes
  • LocationSE Wisconsin
  • My C-MAX:2017
  • Current Vehicle:2017 C-Max Energi, 2013 C-Max Energi

Posted 31 October 2014 - 09:23 AM

Thanks for the info. Looks like I'm not the only one to have gotten this. Guess I'll be stopping at the dealership on Monday.

 

TopherTheME, what did the dealer say?  I've had the P04EF code twice, once in March and now again in October.  Just wondering if it's worth a trip to the dealer. Thanks



#7 OFFLINE   stevedebi

stevedebi

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  • Region:U.S. Pacific Coast
  • LocationLos Angeles
  • My C-MAX:2014
  • Current Vehicle:2016 C-Max Energi 302A Pkg

Posted 31 October 2014 - 11:06 AM

For those interested, the download link for the 2014 "My OBD" is

 

http://www.motorcraf...DSM1402_HEV.pdf



#8 OFFLINE   jeff_h

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Posted 03 November 2014 - 03:33 PM

Here's a recent TSB that includes P04EF

 

Attached File  tsb14-0193.pdf   67.63KB   51 downloads


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#9 OFFLINE   radiobrown

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  • Current Vehicle:2016 outback 98 BMW M5

Posted 06 May 2018 - 08:28 AM

So this code just came up for me. I am the second owner of the 2014 with over 52k on it. Is this something I will have to pay for or does the tab cover the cost is ford covers this work because it's emissions?

Thanks this also sounds like a good time to get my radio fixed to for the turn on and no sound from radio but it is on unless I change the channels in he radio mode.


Here's a recent TSB that includes P04EF

tsb14-0193.pdf










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