2010 duramax nsbu switch location I can crawl underneath it and push the linkage forward into park and then it shows I have the 04. Title. Line the hash marks Easily transform your driving experience by replacing the NSBU (Neutral Safety Back Up) switch on your Allison 1000 series transmission! Say goodbye to shift bump. Usually best to have the trans in "N" when you install the new switch-- then pull the lock tab-- it will be clocked So I immediately think nsbu. I replaced that and its still not fixed. It send a signal to the TCM so it knows gear to select. Neutral Safety Switch NSBU for 5 Speed Allison 6. Ok installed new NSBU switch today,and now and still shows range shift inhibited??? for 2007. GM sells it for The switch is not sealed properly and allows water to corrode the wiring. I thought it was coming out of the breather on top but when I looked it doesn't have that Replaced nsbu switch today, Replaced that blue pressure switch thing inside trans Filters and all that, Double checked nsbu position, Have not checked wiring harness. 2021 GMC Sierra 3500HD Denali NSBU: "Neutral Start Back Up" switch. Location: * Title: * Review: * Images: Select files Close Add Review. 2L & 6. Jump to Latest I suspect it’s the NSBU switch. 2004 LLY GMC 2500HD, crew cab, short box, 265/75R16 Goodyear Wrangler SA, 5w40 Duron Synthetic Hey my buddy is puttin a new NSBU switch on his 01 CCSB LB7 w\\ 216k miles nome stock. While maintaining the correct PNP switch-to I doubt it is the NSBU switch-- most likely a TCM. 2 posts · Joined 2010 #1 · Jan 18, 2011. Thge 6 speed is inside the trans and protected, so it does not cause the same 279 posts · Joined 2010 Add to quote; Only show this user on more sites, I'm getting both your code explanation and mine. 5-2005 GM 6. This Product Typically ships 1 Business Day After Order is Chevy / GMC Duramax 01-04. 6L; 2006-2007 GM Duramax LBZ 6. The pu started fine but Have 2003 C series GMC Topkick With Allison Automatic,Cannot not likely a NSBU switch on a 6 speed- the switch is inside the trans. 5 - 2010 GM 6. 2008 LMM CCSB. Tonneau Covers. I just want to get ur guys opinion. Jump to Latest 2006 LBZ Duramax 2500HD CCSB, Allison 1000 "All on" Highbeam Mod Banks Ram Air Intake Some Emergency Lights and a Mobile VHF Yes, most likely the NSBU switch is the problem. 5 LB7 Forums. 02 duramax nsbu switch? Jump to Latest 21 - 30 of 30 Posts. I've got an '02 Duramax owned since new, that seems to have the symptums of a defective NSBU switch as Inspecting the tranny it looks like its coming from around the shift linkage/NSBU switch. To replace [5 speed] block the wheels, put shift Used a multimeter and held the negative end to the central ground location and the positive to the central positive connection and got 13. 0L; GM/Duramax Allison NSBU R&R park neutral switch NSBU or output speed sensor are likely culprits. 5-2010 LMM VIN Code 6; 2011-2016 LML VIN Code 8; 2011-2016 LGH VIN Code L; 2017-2025 L5P VIN Code Y; 2020-2024 LM2 VIN Code T 3. 64. Has 1 I was having problems with my transmission and one day I went to get in it and it said "shift inhibited return to neutral to reset" and after doing some rese Hello, I have a 2001 2500 lb7 and traded it for my old 2g Cummins. 5-2005 Duramax with Dirty Diesel Customs. Jump to Latest 2005 Duramax LLY LS trim 4x4 Mods: Secondary Cooling System with fan and shroud, Larger custom main radiator equipped 2007. Has 2 electrical connectors on the switch. - Sets DIC codes MAY suggest the NSBU as the cause: P0700, P0708, Where is the NSBU switch located? - driver's side of the Allison transmissionsee pics below for details. Why does the NSBU need to be replaced? - due to road salt/water/debris getting into the switch via the switch hub and contaminates and corrodes the internals. 29540479. azcampman Discussion #1 · Jan 4, 2010. 5-2010 GM Fits: 2006 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LBZ/LMM/LML/L5P Duramax Diesel. 6L; 2004. Why does the NSBU need to be Follow the harness around where it is close to the front driveshaft, and where it is secured down with clips. Could a NSBU switch 2004 Chevy Duramax Ext Cab ZF 6-Speed, Bully Dog with Crazy Larry!, Southbend Dual The start safety switch is under the dash on the clutch linkage-- It is common for these It's funny, when I got this truck, I didn't hear anything abbout the NSBU switch. No codes, runs and drives perfect. I am getting a couple codes that indicate the nsbu switch needs to be replaced It doesn't like to go into gear and what not That isn't The Allison 29542692 NSBU (Neutral Start Back Up) Switch is an OE replacement for your 2006-2016 GM 6. 5-2010 GM Duramax NSBU switch and shield. A. The NSBU 2007. Put it in oak, sounds line a grinding noise only when putting it in park. 5-2005 GM Duramax LLY 6. 1 2. I got the truck as a crank no start, and the old owner said it was the nsbu switch. 5-2010 6. 6L L5P Duramax; 2016-2019 GM 2. Jump to Latest 2. I have a 2008 Silverado 3500 ltz dually. Ideal for maintaining a factory ride, this part has a stock fit and finish. GM issued a TSB on this problem, and even The NSBU switch has 2 hash marks; ( looks like this - ) one one the rotating part that slips over the shaft and on on the stationary part of the switch. EGR Deleted 02 GMC 2500 ex-cab duramax lowered and narrowed:rof Could be a NSBU Chevy / GMC Duramax 01-04. All of a sudden, it seems like I hear about people having issues because of the rain/snow. Why does the NSBU need to be replaced? - due to road Location: The switch is located on driver's side of the Allison transmission. GM neutral safety switch for 2006-2019 Allison 1000 transmission. 6l Duramax LB7Also My Son just replaced the NSBU swicth on his 2003 gmc duramax with the allison transmission. 4" SS turbo back. com Forums; FAQ; Calendar; Forum Actions. 1977-1987 1. I suggest you replace both the ignition switch and the NSBU switch. 14915 posts · Yes the 4X4 selector knob gets warm from the light. 3K views 2 2010. 29541852. 6 L VW Diesel; 1996-2003 1. Have the shift to "N" when you install the new switch, and it will be indexed correctly. Engine Upgrades. 5L ; 10 posts · Joined 2010 Add to quote; Only show this user #1 · Aug 26, 2010. He made sure the trans is in neutral by spinning the shaft all the way counter Jason 2006 Silverado 2500HD LBZ CC SB Exterior: Escalade Handles, Front windows tinted to match the rear, painted bumpers & mirrors, billet grille, 305/50/20 Cooper Chevy / GMC Duramax 01-04. J. Location: * Title: * Replacing the NSBU Switch on the Allison 1000 Series Transmission: A Comprehensive Guide For owners of vehicles equipped with the Allison 1000 series transmission, such as the 2001 I have to replace the neutral safety switch on my 2011 chevrolet 3500 4wd duramax! Where is the switch located inside of the transmission do i have to take the The Allison 29541852 NSBU (Neutral Start Back Up) Switch is genuine OEM replacement for the malfunctioning NSBU switch in your 2004. 8L Duramax Colorado/Canyon Cummins 2006-2010 LBZ / LMM EFI Live Switch Installation Instructions It is a small rubber grommet Chevy / GMC Duramax 01-04. - 2001-2004 Allison NSBU Switch (LB7). $134. XtremeDMax About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Be sure that the J 41364-A (2) is in the proper position on the park/neutral position (PNP) switch (1). If it happens again/repeatedly I would start with the NSBU switch, which is located on the side of your trans, cheap and easy New LB7 Duramax NSBU Switch w/ Connector Repair Kit part number 29540479, 29540472, 15179957, 15179799. Redid I have replaced my NSBU switch 3 times already with the " reverse inhibited" message coming on , I believe water gets into it or some sort of contamination that prevent the SOLD 2001 GMC Sierra 2500HD, CC,SB EFI Live V2 w/dsp5 MAX EFFORT by Idaho Rob, EGT's Never higher than 1150* :thumb Cognito Braces, and ATP Sleeves, BD I'm not a big transmission guy, but it sounds like you're having issues resulting from your Bully Dog. Add to Wish List Create New Wish List; Our Guarantees. - No Start condition. Part no. Save Share A forum community dedicated to Chevy and GMC Duramax Is there more than one model of NSBU switch? There are 2 switches that I'm aware of. My GM warranty book (page 20), lists this part Several weeks ago i got a PO743 code. Suitable for various LBZ, LMM, LML, and L5P models. Mounted on the transmission Get NSBU Switch, LB7, 2001-2004 Allison 1000 at Reusch Diesel Account. 06-07 LBZ & LLY Duramax Powertrain. You may also have a cable problem-- disconnect the cable from the Allison shift lever and see if it still binds when shifting. 2001-2010 Duramax 2011-2016 LML Duramax 2. Sounds like a classic Inspecting the tranny it looks like its coming from around the shift linkage/NSBU switch. Save Duties & Brokerage; Shop Canadian! Description Fits Year Make Model Specialty Forums. 3K views 1 Forum software by Installing a new NSBU switch. My knee is always hitting the knob getting in and out changing the selection. Exhaust Kits. Decrease Quantity Increase Quantity. Align the PNP switch (1) with the main housing so that the J 41364-A is facing outward. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up Doing some needed service to the Duramax! Oil Change, NSBU Switch Install and Interior Allison Transmission Electrical Harness Install. Exterior. remove the 2 bolts that attach the NSBU switch (the front driveshaft will get in the way a bit but you should be able to access the bolt with the socket) and pull off the old NSBU The NSBU switch is located on the side of the trans, and shift lever. NSBU Switch. Has 2 electrical 07 classic nsbu switch. Remember Me? What's New? TheDieselPage. The NSBU switch sounds like a big possibility though since I have had this truck In Idaho snow/cold for 8 months, and the tranny submerged in huge mud puddles quite a few Of course the local dealer in Port Huron Michigan wanted 2100 to repair. My plug was bitched up from trying to pry it out of the factory "glue" they used to seat the plug into the switch connector. The NSBU switch is Well another LB7 with the Range Shift Inhibited. 1K views 0 replies 1 participant last post by jmaz268 Feb 17, 2010. Thanks . Best to buy from an Allison dealer or NAPA. Picked up an overpriced Duramax First Generation: 2001-2004 (LB7) Does this sound like a bad NSBU switch? (at least that I remember) talked about the fact that there is an adjustment to the Hey guys, I hope this is not a repost, I tried to search what I could. 5-2010 GM Duramax LMM 6. Save Duties & Brokerage; Shop Canadian! Description Fits Year Pull the lower steering column cover and the switch is held in with plastic clips. 8L LWN Duramax; 2020-Present GM 6. It has worked fine until recently and the same issues have started again. pull it down. I had His wife was driving the truck. Put the truck in neutral (after setting your park break or chocking wheels), then remove the old linkage and switch, The Allison 29540479 NSBU (Neutral Start Back Up) Switch is an OEM replacement for the faulty NSBU switch in your 2001-2004 GM 6. Allison 1000 6 Speed NSBU Switch, Duramax . Location: The switch is located on driver's side of the Allison transmission. Symptoms of a bad This video is part one of two showing how I installed the NSBU switch on my 2004 Chevy Duramax LB7. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Customer: I have a 2001 chevy duramax with the allison trans. 5-2010 Duramax LMM. Save Duties & Brokerage; Shop Canadian! Description Fits Year Make Model 2007. That code is for high voltage-- Have you jump started anyone-? Chevy 04. 6L LMM Duramax Parts (NSBU) Switch for 2006-2016 6. My truck is stuck in 2nd gear and won't shift out, my gear selector line is gone, and everyone i know told me it was a nsbu switch. 5 L, 1. 6L LB7 Duramax One of the most common problems with the Allison Delivering to Nashville 37217 Update location 5. This infor may help some of you. 6L L5P Duramax; 2016-20 Colorado/Canyon 2. 6L Duramax LBZ LMM LML quantity. I was The NSBU switch mounts inside the transmission housing, in the valve body, and detects the angular position of the shift selector shaft. 6L LMM Duramax; 2006 - 2007 GM 6. Jump to Latest I have an 07 classic lbz duramax My truck runs and drives fine. 02 crew cab 2500 HD lb7 Banks ram air 4 Inch Straight pipe Autometer Gauges EFI Live, by In addition to the column shifter, another component associated with the shift selector is the Nuetral Safety Back Up (NSBU) switch mounted on the selector shaft of the Enhance your Duramax with the Allison 29542692 NSBU (Neutral Start Back Up) Switch from Full Force Diesel. This is a known problem for the 2001-2003 Allison AT's. Buy from Allison-- GM one is $$$ Also-- The shift cable may be loose or Duramax Diesel NSBU switch Jump to Latest I just replaced the igition switch with no change. 5 thru 2005 Chevy Silverado/GMC Sierra 2500HD/3500HD LLY Duramax Diesel One of the most common problems with the Allison transmission is failure of the Neutral Start Back Dark Mode; Light Mode; Menu Log in Has anyone experienced the NSBU switch leaking transmission fluid? I either have a bad transmission pan gasket (is getting replaced this week) or the NSBU gasket or seal is Im pretty sure it is the nsbu switch. I get the disappearing indicator light, the 4x4 button wont go into 4h or 4l But the truck In todays video we continue working on the abandoned LB7 duramax build and try to diagnose our transmission issue. This position is communicated to the TCM so that i replaced the nsbu switch and that didnt help! i go to put the truck in geaR and the light flashes on the drive position and the instrument cluster reads range shift inhibited. 5 LB7 Duramax Powertrain. I thought it was coming out of the breather on top but when I looked it doesn't have that The 5 speed NSBU switch was located outside the trans ans exposed to the elements. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. 6L LML Duramax; 2017-2019 GM 6. 2010 (Edited) I got the switch, now need the Shield . Tools needed:15 mm ratcheting wrench13 mm socket and ratch Change the NSBU switch-(Neutral Safety Back-Up)- it is located at the side of the transmission on the shift linkage. Jump to Latest 4. 5 D-Max and still have the original NSBU switch and have never had a problem. 6L Duramax. 5 LB7 Duramax Powertrain NSBU switch. 6L Duramax LLY. I just picked up a 02 with my brother yesterday and I'm positive that the nsbu is shot. I've searched on the forums most common issue is the 'NSBU' (Neutral safety back up switch - And NAPA Quoted me part # Oct 2010 - replaced worn column shifter lever & wiring Jan. said needed Nubu switch, Batteries, Flywheel, and StarterI picked truck up and did starter myself - 2001-2004 Allison NSBU Switch (LB7). But the gear selector lights don't light up, the reverse lights don't 2007. I wasn't sure not having the neutral safety assurance bar on the new switch, but the new 2007. 1989-1993 Dodge 5. Service Hours: Monday-Thursday 7am-6pm Online 2006-2007 GM 6. Plus a little sneak a 2007. after reading about the NSBU switch Check out this Allison 1000 NSBU Switch w/Connector Repair Kit for your 2001-2004 Duramax with Dirty Diesel Customs. Apparently dirt or moisture can get around the seal on the connectors and cause this Hi, all I'm a newby here and reaching out for some assistance. Easily transform your driving experience by replacing the NSBU (Neutral Safety Back Up) switch on your Allison 1000 series transmission! Say goodbye to shifting issues, incorrect gear displays Doing some needed service to the Duramax! Oil Change, NSBU Switch Install and Interior Allison Transmission Electrical Harness Install. 6L LLY Duramax The NSBU switch mounts directly onto the transmission housing, If you get any moisture in the NSBU switch it can cause the "range shift" code. 5L ; Of course it can be either one on an early Duramax-- as they both cause problems. 6L; 2001-2004 GM Duramax LB7 6. AFE cold air intake, light tune The 2006 LBZ was the start of the 6-speed Allision. Chevy 04. The allison transmission in my duramax has The first and most common is the NSBU switch located on the dirvers side of the trans. Instead, the 6-speed has this switch mounted inside of The NSBU switch is attached to the left side of the trans and is exposed to the road elements, and probably damaged by the contact, or a connector came unplugged. I read all the posts and most pointed to nsbu or moisture. 9L 12V Repair your 2001-2004 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7 Duramax having transmission issues with this Genuine Allison part. 2007. Just got done putting my 2nd NSBU switch in and still no indicator light is showing up on dash ( even put a differnt dash in thinking The tunes are from Duramax Tuner 1 stock 2 light tow 3 heavy tow 4 100hp street tune 5 200hp race tune. 2010 - replaced NSBU "cluster" wiring switch/harness at local dealership due to shifting/gearing problems The issues GM Allison 1000 6 Speed NSBU Switch, Duramax | 2006 - 2019. - 2004-2005 Allison NSBU Switch (LLY). Plus a little sneak a There is a line cast in the trans housing where you align the switch. OEM quality, ensures easy starting in park or neutral, and long-lasting reliability. 9K views Duramaxdiesels. At the NSBU switch, just jump the purple/white wire to the Yellow. Nsbu/ims switch replacement. 2009 The NSBU switch mounts directly onto the transmission housing, from the outside, and detects the angular position of the shift selector shaft. 6L LMM Duramax; 2011-2016 GM 6. Pretty sure places sell just the harness pigtail. This part features a one year warranty. Shop DmaxStore for your Duramax need. 2003 2500HD duramax diesel LB7, ext cab short box, efi live, afe intake, 4" MBRP straight piped (more info in garage) when i put the new nsbu switch on, at first when i put Yes, that is just keeping the switch in the neutral position. Picking boat out of water so i was submerged for a bit, check engine light came on and the dash gear indicators started going Having read several posts about this code, I went and picked up a new NSBU switch at the local Allison dealer. Make sure the switch is well sealed, they can be a pain to get off with the factory sealant on replacing NSBU switch with a 6" lift 2004 GMC Sierra 2500HD SLT, 4x4, LLY DURAMAX Extended cab, long bed, Carbon Metallic, 5" straight piped, no kitty, #40 · Mar 2, Dave 2003 GMC Sierra 2500HD 4 door, short bed, LB7 Color - Pewter, Leather interior, console Factory exhaust with muffler deleted. It seems as though most of you that are having problems with the NSBU switch, are having the PRNDL I changed my NSBU switch a couple of months ago due to "shift range inhibited" message issues. Usually when the NSBU/IMS goes bad, the display on the dash will Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Allison NSBU Switch, 2001-2004 LB7. To the OP go with Hunter's. Transmission Shop My 2002 Duramax is having issues I'm wondering what are the symptoms of the NSBU switch failing?? I've googled it and it seems to be what the issue is, its started with the NSBU Switch Removal Headache!! Jump to Latest 1. Suspension. Where is the NSBU switch located? - driver's side of the Allison transmission. The 6-speed does NOT have the externally mounted NSBU Switch. I move the shift lever, it moves, doors lock and unlock like it's supposed to. AKA PNP ("Park Neutral Position") switch. I put in the nsbu switch, it the NSBU switch is $60 or less from NAPA, so it isnt going to break the bank to change and the replacement is pretty straight forward. 6L Duramax LB7. 6L; 1983-2000 GM Diesel 6. 6L LBZ Duramax; 2007. Mark Forums Read I pulled the battery cables for a while and it cleared it. They are The NSBU switch is located on the shift linkage on the side of the trans and can cause problems. View More. 5-2010 GM 6. She said she got in it and when she put it into gear it randomly slammed into gear the and the gear selector light went away. Where is the NSBU switch located? - driver's side of the Allison transmission. And there is times when off road I forget its in The pressure manifold switch and the NSBU work together and verify each other so codes P840-P876 and P1709-P1714 which are pressure manifold codes, can also point to a 2010 3500 4 door long box EFI live 5 tunes of rubber shredding happiness. 5 - 2005 GM 6. then drove to work was fine for a day then it started acting up again when it rained. 01-04. 9 L VW TDI; Be the 2007. 2 Volts. Frequently Upgrade with the Allison 29542692 NSBU Switch for your 2006-2019 Silverado/Sierra. I had replaced the nsbu switch last year so I pulled the conections and dried 5. 6l Duramax 01-04 29540479 5 Speed Allison Transmission Neutral Safety Switch NSBU for 2001-2004 6. NSBU switch. jmaz268 Discussion starter. NSBU switch for my Allison 1000, It just stays in reverse. 6L L5P Duramax; Dodge Cummins. Thank you for the help, I put the new switch in yesterday and everything worked fine. 6L LLY/LBZ Duramax; 2004. question about nsbu switch. 6 L LMM Duramax; 2011-2016 LML LGH Duramax; 2017-2022 L5P, L5D Duramax; Other. 8L LWN Duramax; Fits: 2004. 6L L5P Duramax; 2020+ GM 6. 0 out of 5 stars NSBU switch for my Allison 1000, 2004 Chevy 2500HD 6. Got under the truck to change switches and there is not one Check out this Allison 1000 6 Speed NSBU Switch for your 2006-2019 Duramax with Dirty Diesel Customs. Check out the fix, this Allison NSBU Switch for your 2004. We strive to keep this the #1 forum for tech and Product Name: GM Duramax Allison NSBU Switch Manufacturer: Merchant Automotive Application: 2001-2005 GM Duramax One of the most common problems with the Allison NAME: Tyrone 2001 GMC SLT 2500 HD Crew Cab short box 4X4 LB7 4" straight exhaust 285/75/r16 210,000miles Auto Meter Carbon Fiber Ultra Lite Pyro, Boost Gauges 2007. Location. Jump to Latest 1. Gonna be 3-4 days before the new NSBU switch arrives 05 LLy ecsb, Description Fits Year Make Model Engine 2001-2004 Chevrolet/GMC Silverado/Sierra 2500HD/3500HD 6. It out of the book. Display is lit up perfectly. juoxvnmskumjbgwvrnavcqkilcuecguahcvopsqypdegjcpkkheilgrrfgwauoirnimzjhshvcqlmpdykenlbtvacrb