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Car Forum / Nissan / Nissan Cars / September 2005'05 Sentra Key fob problem
My mom bought an '05 Sentra. She drives it very little. Since May, has only 350 miles on it. Anyway, when she got the car, the salesman didn't have the key fobs for it. So she had to take it back about a month later when they came in. They were programmed, and she was on her way. About a month ago, both fobs stopped working. My sister stopped by the dealership and they said the fobs probably aren't working due to lack of use. Like I said, my mom doesn't drive very much, but this sound like BS to me Can anyone clue me in as to what might be going on? Can I reprogram them myself (be easier than taking it back to the dealership)? Thanks! Doug total bs, a remote doesnt stop working just because its rarely used, especially a new one > My mom bought an '05 Sentra. She drives it very little. Since May, has > only 350 miles on it. [quoted text clipped - 13 lines] > Thanks! > Doug > My mom bought an '05 Sentra. She drives it very little. Since May, has > only 350 miles on it. [quoted text clipped - 7 lines] > use. Like I said, my mom doesn't drive very much, but this sound like BS > to me I can't comment on this specific case, but my Primera keyfobs stopped working and it turned out that the very fragile, crap quality switches had fallen apart. Luckily, electronics is my 'thing' and I replaced them with superior quality switches. Problem solved. In any case, it's surely up to the dealer to sort the problem. I'd go back and insist it gets sorted out ASAP. Dave About twice a year my Maxima forgets the key FOB's. I have to re-program the car, problem solved. It's a foible I live with. On a new car, I would not expect this type of behaviour at all. One thing that is interesting, is that on at least 3 occasions, this has happened near another persons residence. I wonder if the proliferation of wireless phones, cellphones, wireless internet and the like occasionally leads to interference that causes this problem. rtt > My mom bought an '05 Sentra. She drives it very little. Since May, has only > 350 miles on it. [quoted text clipped - 13 lines] > Thanks! > Doug > About twice a year my Maxima forgets the key FOB's. > I have to re-program the car, problem solved. It's a foible I live with. [quoted text clipped - 5 lines] > internet and the like occasionally leads to interference that causes this > problem. You don't live near a Radio Ham by any chance? The keyfob frequencies are in the LPD band which happens to be within the Amateur Radio 70cm allocation. I can 'listen' to my keyfob transmitting on my 70cm set! There's been some problems with Radio Amateur transmissions blocking keyfobs, but I'm not sure if such transmissions could corrupt the keyfob decoder. It's certainly theoretically possible. The LPD band was a bad idea from the start, it was obvious that problems would arise. Dave Yes. And also malicious remote reprogramming is possible if criminal's device is powerful enough (transmission power) Electrical Engineer here. You said: >I wonder if the proliferation of wireless phones, cellphones, >wirelessinternet and the like occasionally leads to interference that >causes this >problem. Ah, so as he keys up his transmitter and I also key up my FOB at the same time, the car goes wonky and locks the FOB out cause it thought it was being hijacked? A possible scenario? Wonder if the Remote Entry system is that smart? Could be. Maybe the code sequence is not as robust as other vehicles. > > About twice a year my Maxima forgets the key FOB's. > > I have to re-program the car, problem solved. It's a foible I live with. [quoted text clipped - 18 lines] > > Dave Yes. And also malicious remote reprogramming is possible if criminal's device is powerful enough (transmission power) Electrical Engineer here. You said: >I wonder if the proliferation of wireless phones, cellphones, >wirelessinternet and the like occasionally leads to interference that >causes this >problem. Thanks for all the info, but can someone point me to a Web page or reply with instructions to reprogram the FOB? I did find a web page that said to get in the car, put the key in the ignition and pull it out/in 6x within 15 seconds. Then follow more procedures. Should I try following that procedure? > My mom bought an '05 Sentra. She drives it very little. Since May, has > only 350 miles on it. [quoted text clipped - 13 lines] > Thanks! > Doug The procedure is going to be something like that. It can't hurt to try the procedure you have. If it is the wrong one, the car will not respond to it and everything should remain as it is. In my experience, the parts guy at the local dealer has always copied the instruction page for me gratis when I needed it. Here too, it can't hurt to ask. But - as someone else pointed out, if this is an '05 it is certainly still under warranty. Take it in. It is the dealer's responsibility to fix it. On 9/6/05 4:12 PM, in article 8DnTe.346$Xq6.339@newssvr22.news.prodigy.net, > Thanks for all the info, but can someone point me to a Web page or reply > with instructions to reprogram the FOB? [quoted text clipped - 22 lines] >> Thanks! >> Doug |
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