Need Help 2011 Genesis Sedan 3.8 - Loses all electrical power...

[JustAGuy]

My 2011 Genesis Sedan 3.8 without warning loses electrical power...ALL POWER. I first noticed it when I tried to open the door using the fob. At first, I thought it was a glitch, as the power suddenly restored & I was able to start the car. Now it happening more often, When it does happen, I am able to restore power by opening the trunk & slamming it close. I have checked the battery cables are secure (not loose). I would appreciate any help on what might be the cause & how I can resolve it.

 

[scottdk]

I had similar issues and the fix for my car was to replace my 1 year old battery with a new one. Problem solved ever since.

 

[EdP]

I had similar issues and the fix for my car was to replace my 1 year old battery with a new one. Problem solved ever since.

Normally I'd not suspect a 1 year old battery but they can be defective too. The battery cables have two ends too. Make sure the other end has a good connection also.

 

[shahhere]

My 2011 Genesis Sedan 3.8 without warning loses electrical power...ALL POWER. I first noticed it when I tried to open the door using the fob. At first, I thought it was a glitch, as the power suddenly restored & I was able to start the car. Now it happening more often, When it does happen, I am able to restore power by opening the trunk & slamming it close. I have checked the battery cables are secure (not loose). I would appreciate any help on what might be the cause & how I can resolve it.

As others have said about the battery: How old is the battery? It sounds like something isnt connected the right way. If the battery is relatively new then I'd disconnect everything and reconnect it all back slowly to make sure you dont have a loose connection.

If that dosnt solve it then I'd get the battery tested and replaced if its 4-5 years old or do a Warranty on the one if its new and battery problems can have a lot of other issues in this car that has a ton of electronics.

I posted a deal about an AGM battery ($106ish) if you need it while I am on my 7thish year with the Original I might be replacing it myself and just be a bit proactive about the battery in case it craps out on me.

Shahhere