DC to DC converter problems?

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Old 08-18-2018, 09:24 PM
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Default DC to DC converter problems?

I'm working on a all wheel drive 2007 Ford Escape Hybrid with only 30k miles. The 12V battery's voltage gets low and the brake is gone when A/C is on for over 30 minutes while driving locally. Not sure what caused it. If DC to DC converter has issue due to the heat, shouldn't it have some DTC code? When I scanned the codes, I only found low voltage and brake issues. I assume the brake issues are caused by low voltage. But what caused the low voltage? Have tried a new 12V battery but still have the same issues...,
 
  #2  
Old 03-22-2019, 08:49 PM
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Default Re: DC to DC converter problems?

Originally Posted by accent2010 View Post
I'm working on a all wheel drive 2007 Ford Escape Hybrid with only 30k miles. The 12V battery's voltage gets low and the brake is gone when A/C is on for over 30 minutes while driving locally. Not sure what caused it. If DC to DC converter has issue due to the heat, shouldn't it have some DTC code? When I scanned the codes, I only found low voltage and brake issues. I assume the brake issues are caused by low voltage. But what caused the low voltage? Have tried a new 12V battery but still have the same issues...,

Give this a look. It does sound like a heat issue.
https://www.greenhybrid.com/forums/f...acement-28199/
 
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