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Intermittent no power issue

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Old Nov 19, 2022 | 03:55 PM
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Sosmossy's Avatar
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2015 Land Rover LR4, 2004 Porsche 911 C4S, 2019 Acura RDX
Intermittent no power issue

Hi all, I got a new to me 2009 G550 a couple of months ago. I'm having an issue where it intermittently acts like the battery is dead and gets no power, can't turn the key, doors wont open, key fob won't work, etc. It has happened twice now and last time it came back to life on its own. The engine had not struggled to turn over previously and the battery was purchased new last year so I would be surprised if it is dead. Any ideas what may cause this?

Of note, I'm also having the shifting issue where at times I'm not able to change out of Park and I have to use a ballpoint pen to override it.

Thank you for any advice.
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Old Nov 23, 2022 | 09:55 AM
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2011 G550
Originally Posted by Sosmossy
Hi all, I got a new to me 2009 G550 a couple of months ago. I'm having an issue where it intermittently acts like the battery is dead and gets no power, can't turn the key, doors wont open, key fob won't work, etc. It has happened twice now and last time it came back to life on its own. The engine had not struggled to turn over previously and the battery was purchased new last year so I would be surprised if it is dead. Any ideas what may cause this?

Of note, I'm also having the shifting issue where at times I'm not able to change out of Park and I have to use a ballpoint pen to override it.

Thank you for any advice.
Try the fb groups or clubG. What’s the ballpoint override (should it happen to one of us)?

Are you getting a TC in Neutral warning?
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