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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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12V Battery Reset


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4 replies to this topic

#1 OFFLINE   RubyMax

RubyMax

    Energi Member

  • C-MAX Energi Member
  • PipPip
  • 679 posts
  • Region:U.S. Great Lakes
  • LocationNortheast Ohio
  • My C-MAX:2013
  • Current Vehicle:C-Max Energi, 302A, Pano; Focus Electric

Posted 12 March 2018 - 03:27 PM

I found this on the new Hyundai Ioniq,  It would make it easer than pulling Fuse 67 every time SYNC got stupid on our Fords.

 

 

 

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#2 OFFLINE   cat-max

cat-max

    New Member

  • C-MAX Energi Member
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  • 7 posts
  • Region:U.S. Great Lakes
  • Locationillinois
  • My C-MAX:2014
  • Current Vehicle:Energi 302a

Posted 13 March 2018 - 06:15 AM

Amen brother ! A simple reset button to give it a wake up call. Just like rebooting your phone, computer or the WiFi at home.



#3 OFFLINE   plus 3 golfer

plus 3 golfer

    New Member

  • C-MAX Energi Member
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  • 24 posts
  • Region:Decline
  • LocationUnited States
  • Current Vehicle:2013 C-Max Hybrid SEL

Posted 13 March 2018 - 03:33 PM

I'm not sure it will remove voltage from the modules that are hung up.  It's a "jump start" in case the 12 V Li-Ion battery is "dead" - won't power up the control modules.  If you don't know, Hyundai replaced the normal 12 V lead acid battery with a 12 V Li-Ion battery that's located within the HVB.  Supposedly, the button provides for a short burst of power (like using a jump start on a lead acid battery) to power up the 12 V modules. Also, my guess is if the 12 V system is "up", the button does nothing.

 

According to Car & Driver, the downside is there are no battery terminals such that one can jump start another car with the Ioniq nor can one jump start the Ioniq with another car.   Edit: Here's a link that indicates you can use another car to jump the Ioniq. 

 

Also, what happens when the warranty runs out on the HVB (including the 12 V battery which is part of the HVB pack) and a cell in the 12 V Li-Ion battery goes bad and the car won't start because the voltage isn't sufficient.   Batteries don't last forever.  It could be expensive.  You can probably get by with a few "bad" cells in the main pack.  I guess you just push the button everytime you want to start the car.

 

.


Edited by plus 3 golfer, 15 March 2018 - 05:51 AM.

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#4 OFFLINE   RubyMax

RubyMax

    Energi Member

  • C-MAX Energi Member
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  • 679 posts
  • Region:U.S. Great Lakes
  • LocationNortheast Ohio
  • My C-MAX:2013
  • Current Vehicle:C-Max Energi, 302A, Pano; Focus Electric

Posted 14 March 2018 - 07:04 PM

I'm not sure it will remove voltage from the modules that are hung up.  It's a "jump start" in case the 12 V Li-Ion battery is "dead" - won't power up the control modules.  If you don't know, Hyundai replaced the normal 12 V lead acid battery with a 12 V Li-Ion battery that's located within the HVB.  Supposedly, the button provides for a short burst of power (like using a jump start on a lead acid battery) to power up the 12 V modules. Also, my guess is if the 12 V system is "up", the button does nothing.

 

 

I hadn't even thought of that scenario, but it makes sense.  Thanks



#5 OFFLINE   jzchen

jzchen

    Energi Member

  • C-MAX Energi Platinum Member
  • 521 posts
  • Region:U.S. Pacific Coast
  • LocationArcadia, CA
  • My C-MAX:None
  • Current Vehicle:2018 Honda Clarity PHEV

Posted 14 March 2018 - 08:08 PM

As far as I know Hyundai warrants the hybrid battery for the original owner’s lifetime....

Not Kia, but only Hyundai models...








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