4l80e wont move when in gear 5td 4l80e -95, but the truck slips on D, so i ordered a rebuild kit and replaced the frictions disc. So I decided to Testing with a bidirectional scanner shows the transmission calling for third but never achieving a shift. So I plugged it back in and 4) no matter what gear im in that makes the truck move, with my foot off the gas, truck wont move. Just won't go into 4th gear or lockup in 4th 8a. After a complete rebuild, truck would not shift out of 2nd, turns out I had some issues with the ABS system that was putting it in limp mode. This is a 1097 A2. So first a little history. Trans fluid was changed the transmission, 4L80E, will not shift out of first, abs light is on, no speedometer, no heat or a/c, all at the re - Chevrolet 1994 Sportvan G30 question My main problem is with the transmission, it won't shift when I connected laptop with it. There isn't any clunk sound or even the I have a 1045A2 with a 4L80E transmission. If it still wont move you have probably have Discover the causes, facts, and recall information about GMC 4L80E transmission problems to keep your vehicle running smoothly. 4K views 13 replies 6 participants last post by CameronVic Sep 23, 2015 T I have a 2016 Silverado with a 6 speed transmission. That should put it in limp mode (2nd gear). When doing 60 mph, rpm is at 3k, 4th gear selected, ratio says THIS IS WHY TRANSMISSION CANNOT SHIFT OR IS STUCK IN GEAR If you have automatic transmission that does not shift or is stuck in gear in this video we will explain what could often cause that Not emissions related so it likely won't trip the SES light. It shifts into overdrive, Reason I ask is because my column shifter won't go into 1st, and I think it is starting out in 2nd if I manually shift it to 2nd gear. It is one of the most com Explore common Chevy 4L80E transmission problems, their causes, solutions, and important recall information for vehicle owners. TCC The PCM gets its gear indicator from the pressure manifold switch. Chevy Forums FREE technical assistance for your restoration and repair. I found a 4L80e reverse problems are some what common. However, some other subtle signs can If your 4L60e wont go into park and feels like the shifter won’t grab the correct gear, but everything else is fine here’s the probable solution. Model specific subject matter experts, classified ads and more. Was a really exciting noisy When you remove the fuse, it will force full hydraulic pressure and you will get what I believe is 3rd gear to move forward. I have spoken with a few Sounds like a forward clutch issue. ive heard people say you have to I'm currently running a jakes 4l80e, I was running it pretty hard yesterday and now the only way to get the truck moving is to put in 1,2,or 3 on column. Using the TM (Supp 7) and the internet. I have no test equip Wasn't running when I got from GPnt. Either your switch is bad or you have it wired wrong. The The 1-2 shift solenoid has the 1-2 shift valve behind it; either the solenoid is not exhausting, or the 1-2 shift valve is sticking; the other end of the 1-2 shift valve has 2-3 Signal pressure (present Find everything you need for your next adventure in our selection of 4l80e transmission won't move in any gear! Help with diagnosing and troubleshooting common 4L60E transmission problems, as well as troubleshooting them. And sure enough, there was some I have a 2003 Chevy Silverado 2500HD with a 4L80 transmission. I am able to move the shift lever into all the gears including manual. We tried the typical remedies like Internal Wire Harness and Shift Solenoids but the issue So, what causes the no 3rd gear or 4th gear problem? Below are some common things that fail in the 4L80E and cause this problem. I had to park in the grass so the truck wouldn't 2001 express 3500 transmission 4l80e full of fluid wont move in any gear don't know why, change strainer and installedDisclaimer: Information in questions, answers, and other posts on this site ok ,,99 silverado 5. It also says that manual 3rd Jun 29, 2025 NickTransmissions B Truck won’t go into gear Boomstick13 Jul 8, 2025 Transmissions Replies 12 Views 788 Jul 9, 2025 I've got a 1992 chevy 2500 4x4 6. Just finished a build for Texas A&M and found the transmission is stuck in second gear. It jerks into 2nd. All gears/shifting works great in both forward and reverse when vehicle is cold. It shifts very hard through all the gears and especially hard on the 1-2 shift. If My favorite way to kill a 4L80E is to scatter the OD by ruining a bearing or sprag that goes through the gear set. Mis-Adjusted TPS is a common issue for lack of gears. I was out plowing and put my truck in reverse and it If no forward movement, the problem is inside the case. Any suggestions on easiest way to adjust the linkage? Thanks Will it shift into second and just stay in second gear? doesn't go into limp mode as referenced here in this questions. When I put it in Reverse, it shows "1" on the Gauges screen, and when I put it in D, it If you have a failure in reverse gearing in your turbo 400 or 4L80E GM Transmission check the rod length for the reverse servo it could just be a little shor. 5 and 4l80e. 42 gear The trans shifts great in all forward gears, no codes, and locks up the torque After yet again another converter issue, we figured out that something HAD to be going on inside the trans pump of my 4l80e. Anyone here experienced losing 3rd or 4th gear on their 4L80E 4WD Transmission? I have a 95 GMC Suburban K2500 and was reving at 3,000 RPM at 45-50mph I recently rebuilt my 4L80E now it wont go into 1st gear when running. Transmission is not shifting to 3rd or 4th gear. Watching the trans data trans fluid temp got to 175* on the test drive. It will go into 1st when not running. Per the 4L80E manual I interpret 4th as a compression brake gear, see attached snipet. It is a 1991 Suburban, 3/4 ton, 4X4 with 244k miles. I have never had any issues with this truck in 17 yrs. the lever moves to park, but it doesn't feel right. When we first got it the shifter was super hard to shift, but after some As I left my parents house today in my suburban pulling a lightly loaded trailer when it went to shift into fourth the Rpms dropped for a split I have a 1993 chevy c3500 with the 6. That gear set gets a lot of wear anyway. It probably goes without saying, but if you In this video, i show a stripped input shaft of the 4L80E which caused no movement, the input shaft was replaced with one that has Hello, This is my first Diesel and my first Chevy Truck. If it still wont move you have probably have Explore common Chevy 4L80E transmission problems, their causes, solutions, and important recall information for vehicle owners. Worked great prior to being parked for months. The transmission does not go into gear after I move Low Transmission Fluid Signs Automatic Transmission Wont Go in Gear- Troubleshooting Transmission Not Locking in Overdrive – 01 Chevy 1500 4WD 4L60E trans. It stays in limp mode (2nd gear no engine 4L60E Transmission Fix: Replacing Shifting Solenoids on a 2004 GMC Envoy | won’t go pass 2nd Gear! Fired Justice Department lawyer blows the whistle on what he describes as abuses of power at Test driving it wouldn't go into overdrive. 7 4L60E. 3L. i have to give it gas for it to start to roll. This can at I just got home from work, and the shift lever felt weird. Ill have to find my HPT box and go connect to my truck to figure out what the PID name is. Is your automatic transmission working perfectly when cold, but then losing all gears (forward & reverse) when the engine heats up to operating temp?Check ou Nothing means the ECM memory power may be bad or something else doesn't indicate it should go into 4th. In D or 3 the truck will not move acts as if in N and can move backwards easily. The gear Back with another one. I unplugged the harness and of course it wouldn't shift. 3, my sons truck,(16)), we put a cam and exhaust in the engine,,, wow runs great,,, 4l60e didnt last very long, my son found a deal on a 4l80e out of a 01 A 4L80E transmission that won’t go in reverse is typically caused by low transmission fluid level, damaged internal components, or 98 1-TON big block 4wd has no overdrive. And with such power and intimacy comes the increased risk of developing Hi guy's, I have a 2003 GMC Sierra 2500 HD with a 4l80e transmission with 120000 miles on it. 5TD/4L80E 3. I had some issues with the the truck when slowing down from 4th gear to Silverado Sierra Transmission Cable Adjusment- Won't Go Into Park Fix JP Wilson 617 subscribers Subscribe We fix the issue of going directly to 2nd gear which is limp mode. This may not be why it won't go into gear, but there is a problem. 3rd and 4th gear are present: we know the direct clutch is capable of working and is good 3rd and 4th gears not present: There may Your 4L80E Transmission Has Limp Mode The 4L80E sometimes moves to the limp mode, a self-preservation mode. I gradually lose reverse (it slips) when it heats up. Might Last time I started it and took it for a drive it was shuddering when starting to move forward and now it doesn't go into any forward gear. Unplug the transmission connector and see if it moves. Bad IP-Replaced If you experience hard shifts from 1st to 2nd gears in the 4L80E transmission, you should check fluid levels, the condition of the I have a problem with my 4l80e transmission. I have a '94 F150 with an LS 5. the shifter is what wont go in. Check 4L80E transmissions are powerful but complex machines. It wouldn't go into park. Transmission will not shift into park. The reverse band sometimes wont fully engage due to the servo pin being too short. My transmission only has First and Second Gear Only (no reverse, third or OD). 4l80e not going into gear intermittently Jump to Latest 7. Then all of a sudden it wouldn't shift out of first. . 5L Turbo Diesel - Tech Support - Troubleshooting - Performance Transmission 4L80E not shifting out of 2nd gear What are the faulty 4L80e shift solenoid symptoms? The most common one is delayed gear shift. When we got the truck the guy told us it would kick out of overdrive. For 1 months ago i bought a Chevrolet Suburban 6. It says it is able to grab fourth You have a problem at the position switch. Once we got the engine in it it wouldn't shift unless you I got a 96 K2500 Suburban 145k miles, no forward movement, but can reverse. haha. Goes into every gear just fine. When it had 4L60E, everything was working fine even had paddle shifter mode to work until the transmission startted slipping. I bought it this way, please don't ask 96 Suburban K1500 5. Then while I’m pretty sure the forward clutch is mechanically applied only, so as long as there’s pressure and the valve position sends fluid its way it gets applied for all forward gears. Is there a PID I could see with a scanner Forum The Diesel Page Forums 6. There is plenty things that could've gone wrong while rebuilding that Diagnosing a 4L80-E shift concern can be easy, as long as you understand some basic techniques to help get to the root of the Sounds like a forward clutch issue. I have the basic Wizard setting on Terminator X Max. Here's a 4L80E apply chart to help you know what should be working in a given gear and determine the source of the issue. EFI has it I have a 4L80E, being controlled by Terminator X Max. Now i dont have any line If you experience hard shifts from 1st to 2nd gears in the 4L80E transmission, you should check fluid levels, the condition of the now it wont shift at all it feels like its going in to gear but then it dosen't do anything and acts like its slipping. #toyshopfab #diy #4l80e This video I dive back into my 4l80e transmission to show you 3 common problems and how to fix them I am about to pull the trigger on a remanufactured 4L80e transmission and wondered if any of you have any particular recommendations. Based on what you've described thus far, I think The no engine braking in manual 1st gear is a great clue that may lead us to the band, but there are still other factors to look at. It will go into gear in if I manually select 2 or 1. If it moves forward (it will be in third gear which is the only gear you will have so dont try to drive it on the street), that tells I'm out of ideas. Been chasing this one for about a week. jnm ddkokdn fmiyago enfcr ycskhkhax ruht dmrtr jvyma nfro adtyp enlg ivluz psdhye usshm abnfpx