04-18-2019, 09:50 AM
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#1
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Join Date: Jan 2005
Location: NE Ohio
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Location: NE Ohio
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Issue with Neutral Safety Switch
Hey guys, my 14 TEP was having some issues with the shift lever feeling stiff, then "D" would not illuminate, and now a CEL on my way to work this morning. After reading the many posts on other people needing to replace their neutral safety switch because of corrosion, and the fact that a Toyota tech had to use a torch and 2 hours to do an alignment last week because of corrosion, I'm sure this is my issue as well. I have replaced this part on my Tacoma, and it was a huge PITA, so I was wondering if anyone has had any success in fixing their switch by lubricating it still on the trans.
If you haven't yet had any issues with your NSS, and you live where salt is prevalent, I highly suggest you crawl underneath your 4Runner, passenger side, and spray that MF-er with some Fluid Film, or the like.
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2014 Trail Premium with KDSS
2006 Tacoma
2001 4Runner Sport
1977 FJ40
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04-18-2019, 01:02 PM
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#2
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I guess I'll be the first to try it, if nobody else has, lol. I have some Evapo Rust, I wonder if I can get a ziplock bag full of E.R. over the switch and fill it up overnight, then lube the crap out if it. Even if that doesn't solve my issue, it should at least make it easier to remove when it's getting replaced.
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2014 Trail Premium with KDSS
2006 Tacoma
2001 4Runner Sport
1977 FJ40
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04-18-2019, 01:13 PM
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#3
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Senior Member
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Join Date: Aug 2018
Location: Hawaii
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Maybe you should pull the code before guessing? People prolly holding off from stating the obvious.
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04-19-2019, 10:28 AM
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#4
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Decided to try spraying the NSS down with PB. My hard shift was immediately fixed, D was back to being illuminated, and S mode works again. I thought I would need to let it soak overnight at least to see this kind of improvement, I was pleasantly surprised. I'm adding this to my list of things to do when changing the oil. When a problem is obvious, why check codes when I spent less time just fixing it? You guys that are getting these huge repair bills for replacing the NSS, no reason not to give this a try first.
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2014 Trail Premium with KDSS
2006 Tacoma
2001 4Runner Sport
1977 FJ40
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01-11-2021, 07:42 PM
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#5
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Junior Member
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Join Date: Jan 2021
Location: Pittsburgh, PA
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I started to get the P0705 (and flashing 4-low, cel, and trac off) on my 2016 4Runner (40k miles). Thankfully, I saw this thread. I was able to work through the gears about 10 times (car off) and this completely went away. I’ll get under there to soak down the NSS but wanted to say thanks and let others know this did the trick for me. You saved me a trip to the mechanics and a lot of $$!
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01-12-2021, 09:10 AM
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#6
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Spraying mine with PB worked. For about a week.
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06-01-2022, 05:02 PM
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#7
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Junior Member
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Join Date: Jun 2018
Location: Tinley Park, IL
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Quote:
Originally Posted by Dianna
Hey guys, my 14 TEP was having some issues with the shift lever feeling stiff, then "D" would not illuminate, and now a CEL on my way to work this morning. After reading the many posts on other people needing to replace their neutral safety switch because of corrosion, and the fact that a Toyota tech had to use a torch and 2 hours to do an alignment last week because of corrosion, I'm sure this is my issue as well. I have replaced this part on my Tacoma, and it was a huge PITA, so I was wondering if anyone has had any success in fixing their switch by lubricating it still on the trans.
If you haven't yet had any issues with your NSS, and you live where salt is prevalent, I highly suggest you crawl underneath your 4Runner, passenger side, and spray that MF-er with some Fluid Film, or the like.
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How is your truck running now?
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06-01-2022, 05:03 PM
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#8
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Junior Member
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Join Date: Jun 2018
Location: Tinley Park, IL
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Quote:
Originally Posted by kenwilliams0803
Spraying mine with PB worked. For about a week.
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Did you get your NSS replaced?
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06-01-2022, 05:03 PM
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#9
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Junior Member
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Join Date: Jun 2018
Location: Tinley Park, IL
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Quote:
Originally Posted by Globus2
I started to get the P0705 (and flashing 4-low, cel, and trac off) on my 2016 4Runner (40k miles). Thankfully, I saw this thread. I was able to work through the gears about 10 times (car off) and this completely went away. I’ll get under there to soak down the NSS but wanted to say thanks and let others know this did the trick for me. You saved me a trip to the mechanics and a lot of $$!
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were you also able to avoid replacing your NSS?
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06-08-2022, 08:07 PM
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#10
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Senior Member
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Join Date: Mar 2021
Location: Canada
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I think once your NSS starts to go I think it will eventually trip the codes all the time eventually. I replaced mine this winter. I didn't bother trying any of the techniques people have suggested because after 10 years and 155k miles I just paid the $600 all in to the dealer for a new switch, was in and out same day at the dealer. sometimes it's just time to replace worn parts rather than spend time and effort trying to prolong them for only a few weeks or months
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06-10-2022, 03:39 PM
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#11
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Quote:
Originally Posted by fmtanweer
Did you get your NSS replaced?
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I did it myself. Took about 6 hours due to corrosion and the placement of the thing.
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