ispud
Posts: 16
Joined: Wed Jul 24, 2013 5:19 pm
Delivery Date: 07 Jul 2013

WTF - 12 volt battery

Mon Mar 19, 2018 10:53 am

Over the past year the 12 volt battery has died 3, maybe 4 times. My local dealer cannot fix it and last time charged me $100 to reset codes and tell me that. I have read umpteen threads about this problem with nothing but questions remaining. The car is 2013. I love it other that this problem...which in my mind is unacceptable. After the second or third time I replaced the battery and it has happened twice since then...today and about 2,3 months ago. I did the battery because the Nissan service fellow told me that it might be the problem.

Who can I contact at Nissan to try and get some satisfaction.

Jack
jacksmetal@gmail.com
Last edited by ispud on Mon Mar 19, 2018 1:42 pm, edited 1 time in total.
ispud
2013 SL new in June 2013
Boise, Idaho

cwerdna
Posts: 8198
Joined: Fri Jun 03, 2011 4:31 pm
Delivery Date: 28 Jul 2013
Location: SF Bay Area, CA

Re: WTF

Mon Mar 19, 2018 11:18 am

Ummm... a more descriptive subject line might be helpful. Did you pay to have the $199 TCU upgrade done? Did the problems begin after that? (This isn't the only possible cause. viewtopic.php?p=502854#p502854 is what I'm talking about.)

The 12 volt on my used 5/2013 built SV bit the dust around Oct 2015. Was replaced for free under warranty. I'm still on that warranty replacement.

'13 Leaf SV w/premium package (owned)
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LeftieBiker
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Re: WTF

Mon Mar 19, 2018 12:30 pm

I'm still on my OEM battery after almost five years, but only because I use a maintainer almost every time I charge. Are you leaving your Leaf plugged in for hours before and/or after charging? This is the easiest way to kill the accessory battery in a 2013 Leaf. The "good" news is that if you use a maintainer, you can leave the car plugged in as long as you like.
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PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

cwerdna
Posts: 8198
Joined: Fri Jun 03, 2011 4:31 pm
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Re: WTF

Mon Mar 19, 2018 12:55 pm

There's also this long running thread: viewtopic.php?f=30&t=12448.

'13 Leaf SV w/premium package (owned)
'13 Leaf SV w/QC + LED & premium packages (lease over, car returned)
'06 Prius

Please don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

ispud
Posts: 16
Joined: Wed Jul 24, 2013 5:19 pm
Delivery Date: 07 Jul 2013

Re: WTF - 12 volt battery

Mon Mar 19, 2018 1:45 pm

I did get the upgrade and then the problems began. I brought it up to the service guys at Nissan, but they blew me off. I do have a dongle plugged in, it's bluetooth...and it has been in for probably 3 months with no noticeable battery drain. I have a battery tender hooked to the battery, and am dreading having to plug it in every night and unplug in the am for peace of mind.

J
ispud
2013 SL new in June 2013
Boise, Idaho

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OrientExpress
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Leaf Number: 2331
Location: San Jose, Ca

Re: WTF - 12 volt battery

Mon Mar 19, 2018 1:52 pm

The OBDII dongle is drawing power all the time from a 12v unswitched pin on the car's OBDII port. Remove the dongle and your problem will go away.
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50,000+ miles - all 12 bars - Same range as new - No warranty issues ever!

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Stanton
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Re: WTF - 12 volt battery

Mon Mar 19, 2018 2:13 pm

...or read the thread pointed out by @cwerdna...that has covered the TCU/modem upgrade issue from every possible angle :?
2011 Blue Ocean SV w/floor mats & window tint
12v LiFePO4 battery & FIAMM 74100 horns
Wet Okole seat covers (front)
Tor's low-power heater mod
2013 sun visor
3G modem upgrade
L2 EVSE Upgrade
Battery Pack replaced (Rev E) @51 months and 41k miles

MalcolmReynolds
Posts: 69
Joined: Sat Jun 10, 2017 10:39 am
Delivery Date: 04 Jul 2017

Re: WTF - 12 volt battery

Wed May 09, 2018 4:37 pm

Most likely your issue is the TCU upgrade. It is well documented here on the forum. The dealer knows nothing about this issue. I have informed my local dealer who keeps pushing for the upgrade. I explained the problems that are widely reported here and I was told it was an internet wives tale and that they have done a lot of them and had no issues.... Of course "they" didn't have the issues, it is the customer that has the issue with batteries being toasted.

So unless you get that TCU disabled or removed I think your issues are going to persist. Do yourself a favor and check out the TCU upgrade thread and you will recognize the symptoms.
=======================================
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