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Brand new owner losing radio presets

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Joined: 07 Oct 2016
Posts: 7

PostPosted: Mon Oct 24, 2016 5:02 pm    Post subject: Brand new owner losing radio presets Reply with quote

Hi All, my wife just picked up her 2012 Pathfinder SV (non-nav, non-Bose, but has back up cam) yesterday. 80k on the clock seemingly well maintained private sale. We looked at it 2 weeks ago and drove it etc and checked all the normal used car stuff. We agreed on a price. Well on the way home we stopped for lunch and when she started it after lunch the radio presets were gone. Not thinking too much of it she ran a few errands after she got home and sure enough, gone again. So started doing some research and came across the usual suspects, the 'fuse switch' for long term storage in the glove box. That was good but I replaced it anyway (and got rid of the foolish cage thing) . I also checked the under hood fuses all seemed good. I cleaned and re installed the battery cables. If I set presets and turn the ignition off and back on in under a minute it keeps the presets. Any longer than that and they are gone.

I've contacted the seller and of coarse he (his girlfriend) never had issues with the presets... awful coincidental that it happened literally on the way home from picking it up. Not going to get anywhere calling him a liar. Needless to say the wife is not too pleased..

A few things to note:
It has an aftermarket remote start (Python) that was installed not too long ago. It was installed very poorly (taped connections) ect. But they did use a transponder bypass rather than losing a valet key. The remote start function works as it should but I cant help but wonder if it has anything to do with the preset issues... I only found the shitty install looking for obvious reasons for losing presets.

It's odd that it doesn't lose them immediately but in the period of 2-5 min.

It appears to have the original battery, to be expected for a 2012. It has seemingly plenty of nut to turn the engine over even after having interior lights on for 30 minutes.

no other systems seem to be affected.

Any ideas or check points? Is there a fuse on the back of the head unit that could cause this? After seening the quality of install I would not be the least bit surprised if they installed with the battery hooked up.

The presets aren't coded to a specific key are they?

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Joined: 17 Mar 2016
Posts: 5

PostPosted: Mon Nov 28, 2016 12:25 pm    Post subject: Extended storage fuse Reply with quote

Several things to check, first is the Extended storage fuse located -open the glove box- to the right of the box it's the only one inside a plastic push pull holder it's white plastic ps. If you figure out how to remove it completely let me know but pull it out and push it in to reseat it then check the 20amp under the hood then clean the battery terminals. Yes I said clean the terminals, it sounds crazy but trust me I have had this same issue before and it's always one of these things. The latest was the terminals and after cleaning them my radio held its memory. Not sure if yours is the same but mine corrode like crazy. Good luck
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Joined: 05 May 2019
Posts: 5

PostPosted: Fri Nov 08, 2019 6:47 am    Post subject: Try self-diagnostics / memory reset Reply with quote

Locate the audio self-diagnostics section in this post. When in self-diagnostics mode, locate the option to do a full initialization (I forget the exact option). It will tell you that is erasing memory, and then go through a reboot.
2012 Nissan Pathfinder
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Joined: 01 Feb 2020
Posts: 3
Location: Central Oregon

PostPosted: Sat Feb 01, 2020 10:08 pm    Post subject: Reply with quote

I had the same exact problem on our (new to us) 2012 SV. I went into the audio self diagnostics to try and do an initialization. The screen said "The memory of a system is eliminated, Are you sure?" and I selected YES. Next it displayed "The system will automatically start after initialization. Please wait. Please do not change the ignition position." Well I waited and waited and waited for 10 minutes, nothing happened it just stayed there... I read on several other Nissan forums of folks having the same problem so obviously it is a firmware bug in the head unit. I can program in station presets and set the clock, but as soon as I remove the key from the ignition and then reinsert and turn to aux position, all my pre-sets are gone and the old ones take over...

What finally did the trick for me (for now anyway) was to turn on the radio and then pull the memory fuse in the fuse panel on the right side of the glove box. The fuse is the sixth one down on the right side with a white plastic guard around it. pull out on the plastic guard to disconnect fuse. Then I programmed the clock and made the radio station presets. After programming was complete, I re-inserted the memory fuse and the preset stations and clock finally stuck.

What a bizarre anomaly in their programming... Hopefully it stays fixed!
2012 Pathfinder SV
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Joined: 31 Jan 2017
Posts: 1015
Location: Mid Atlantic

PostPosted: Sun Feb 02, 2020 9:02 am    Post subject: Reply with quote

Bill was this with the Bose unit?

I also had my mpg when i restarted car default to the previous trip mpg reading.

Dealer price was a $2200 fix just in parts..
"Rifle first, Rifle last, Rifle always"

2012 V6 4WD, in Grey over Grey

Last edited by palmerwmd on Mon Feb 10, 2020 2:33 pm; edited 1 time in total
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Joined: 01 Feb 2020
Posts: 3
Location: Central Oregon

PostPosted: Sun Feb 09, 2020 6:30 am    Post subject: Reply with quote

I believe the Bose came in the Silver and LE trim packages for 2012, so I think my SV is not a Bose. $2200 is outrageous for parts cost IMHO.

Also found another thread describing same problem with a picture of the aforementioned memory fuse. I read the white guard around the fuse was to make it easy for dealers to plug in the fuse after the car was in storage to prevent battery drain.

My gut feeling is that there may be a low voltage lockout in the head unit that trips to prevent memory loss / or corruption. When we got the car, the battery was severely corroded which might explain why ours locked its memory. Either that or there is a firmware bug in the head unit... I had the radio on (ignition switch in AUX position) when I pulled the memory fuse and I did see an indicator on the LCD display flash but cant recall what it said. Anyways the head unit apparently recognized the memory power was lost.

BTW, after resetting the memory, the head unit was able to do an initialization from the audio self diagnostics menu. Only took perhaps 10 seconds to re-boot. This put everything back to default and we were able to set it up to our liking...
2012 Pathfinder SV
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