2007 Acura TL died

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Old Feb 15, 2019 | 05:09 AM
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2007 Acura TL died

Good morning guys I have a 07 Acura TL that I love had it bout a year now yesterday while at work I went to unlock with remote and it wouldn’t unlock it was like if battery died so I unlocked it with key Thur driverside got in it no lights at all tried to start it nothing no cranking at all so I figure i pop hood open while when I did that all the lights came back on alarm was honking and I was able to turn off with my remote and it started up fine after that only after I open unlatched hood any ideas what if what happened this has never happend before
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Old Feb 15, 2019 | 07:27 AM
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well, DID you check the battery after you got the hood open?
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Old Feb 15, 2019 | 08:35 AM
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2007 Acura TL

Yes battery is a year old
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Old Feb 15, 2019 | 10:31 AM
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Sounds like your battery has a parasitic draw or could have a bad cell in it so it can't hold a charge. Do a search and you'll see a common culprit is the HFL bluetooth unit.
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Old Feb 15, 2019 | 10:33 AM
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2007 Acura TL does

thanks for the reply’s I’ve already un plug hfl module my question is why did it just suddenly start after I open the hood
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Old Feb 15, 2019 | 11:31 AM
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Could be bad grounds then. How are your battery terminals? any corrosion or looseness?
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Old Feb 15, 2019 | 12:00 PM
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I had a problem where my TL was turning off randomly and having a lot of strange electrical issues. I checked my connection at the battery and my posts were slightly loose, not much at all but enough I could turn them by hand easy. I tightened them up tight and all is fine now. I think with the heat/cold changes it caused a small gap.
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Old Feb 15, 2019 | 12:17 PM
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2007 Acura TL died

great thanks I will check them n it was really cold yesterday in Colorado
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Old Feb 16, 2019 | 08:24 PM
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I would say it's just a bad connection for battery terminals. Check the negative terminal. They normal go bad
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Old Feb 19, 2019 | 12:58 AM
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I had corrosion on my battery tetminal and it would go good for weeks then randomly die. I would just wiggle the cable in a certain direction until it tightened. I cleaned them and never had the problem again. New terminals is what we need.
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Old Feb 19, 2019 | 03:54 PM
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Scotty Kilmer recommends we “Start our engines!”.

He also taught that after cleaning the terminals and posts, put Dielectric Grease on them. Should not come back and lessen any corrosion buildup due to the anaerobical affect the dielectric grease gives.
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Old Feb 19, 2019 | 05:06 PM
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Agree with above - check terminal connections for both tightness and corrosion.
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Old Feb 20, 2019 | 07:58 PM
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Any update @quigley2003
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Old Feb 22, 2019 | 02:39 PM
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I had a similar issue back a couple of years ago. The car would power up but then completely die when attempting to engage the starter motor. I would have to jiggle the cable in order to get it to power up again. It turned out to be a break in the positive battery cable.

OP, check your battery cables for loose connections, corrosion, or simple wear. The PO of my car had replaced the factory one with a shitty aftermarket cable that wasn't of the right length or durability.
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Old Feb 22, 2019 | 03:08 PM
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spray some battery terminal protector on the connections after you are done cleaning them.
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