4l80e transmission not shifting
4l80e transmission not shifting. The 4L80E has proven reliable like it’s predecessor. Feb 22, 2012 · Posted on Jun 22, 2009. Mar 17, 2020. This is and LT1 engine running a LS1 computer, but I drove the car before the conversion with the TCI box (shifted fine). downshifts fine acept the hard/jerking shift. Jun 7, 2018 · 4L80E 1-2 hard shift. The main difference between the two is that the 4l80e has electronic solenoids that control the shifting, while the 4l80 uses a hydraulic system. 2) Recent purchase, 2-3 months ago. Your downshift MPH needs to be less than your upshift MPH and lower than the previous downshift if you can follow me. 3L and a fresh rebuilt 4L80E with HD2 drilled 1/8" for performance in a 2008 BMW 328xi. I've dropped the pan and changed the filter once since I've owned it and it has Nov 7, 2023 · Here are the most probable reasons why your 4L60E transmission isn’t working in any gear: Pump Failure. 08:1. May 23, 2013 · 1) 1995 k2500 4x4 positraction 4L80E Chevy pickup w/ 3. Once the trans temp got 140° the 1-2 solenoid turned off and dropped the van down to third and won't shift to overdrive. the shifter is what wont go in. EVEN when you changed the 1-2 shifting solenoid. The van shifted into overdrive and held overdrive for the first ten miles. The gauges show 1st gear for every gear and do not change. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Nissan Sentra that won’t shift. Component slipping). Jan 2, 2012 · 4L80E Shifting Soft and Slow (tune attached) I finally got the truck together and trying to get the trans to shift firmer on the 1-2 shift. I use it for my boat business shuffling boats around. There are few reliable transmissions that can handle vehicles with high <a title="[Solved] 4L80E Transmission Won Jan 22, 2012 · Step 3: Split the Circuits "Mechanically". PSM #1 and #2 will operate SOL A. Complete loss of transmission fluid. The trans is a stock '05 with a Transgo HD2 shiftkit. When the transmission "shifts from 1st into second" The 1-2 shifting solenoid is denied current through ground in the computer. Add fluid to the correct level if low. Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L60E, 4L65E, 4L70E, Early Pump, 1. wouldn't shift, lock up converter would engage when it shouldn't. May 7, 2009 · 1a. Mar 3, 2022 · To Wire Externally for Manual Shift without a computer: - Supply a switched +12V source with a fuse to turn on with the ignition key at the 12 V IGN terminal. Jumpstart Your Next Project! Find Parts and Accessories 4l80e transmission KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Aug 5, 2023 · Splitting the Circuits. Sep 9, 2021 · I'm guessing the reason for a downshift from 4-3 is a rise in engine load calculated based on throttle opening, rpm and accelerator pedal position inputs to the TCM commanding the 4L80 e to downshift to 3rd. We tried the typical remedies like Internal Wire Harness and Shift Solenoids but the Aug 9, 2009 · No shift into OD under acceleration; OD will not hold under load and can hear or feel trans shift to OD when throttle is let off but slips into 3rd when throttle applied; sudden erratic lugging condition in lower gears when manually shifting: Bad news: this is going to involve a lot more time and money to fix this problem. If your speedo dies during this, I'd strongly suspect the output shaft speed sensor. If fluid is burnt proceed to Step 4. Dec 19, 2009 · Because the transmission sticks in first I think there is a chance that the shifting valve is sticking. 1992 C2500 that I've had for about 6 years. Superior | 4L80E Valve Body Shift Correction Kit. 3/4 Clutch Pack Here is the list of some common transmission problems and solutions for the 4l80e. Oct 13, 2020 · 4L80E won't shift into, or lockup in, OVERDRIVE until transmission is HOT. The original plan was to put the diesel motor on the four-wheel-drive frame, but the bigger diesel motor wouldn’t fit with the pumpkin in front. Truck has the 6. Any kind of No movement/Falls out of gear is most likely a low fluid issue. However, if you’re facing the problem of your transmission not shifting to first gear alone, you might want to check out our article on Apr 14, 2020 · 4l80e no speedometer. Shifts into second, then doesn't shift up any further. (597 N·m) of torque. 0L and 230,000 kms or 144k miles. In your part throttle TCC, Your TCC release is 56 MPH but then your 4>3 downshift is 22-29 MPH. Apr 19, 2015 · Take off shifts to second both solenoid are off. This issue usually requires a professional diagnosis. 2008 Sprinter 2500 170 - camper van. Aug 15, 2009 · I recently rebuilt my 4L80E now it wont go into 1st gear when running. For this "No Reverse" shift issue we are going to mechanically split the circuits by blocking the Low/Reverse band. It stays in limp mode (2nd gear no engine braking and reverse is all I have). It doesn't really bother me but I figured I would ask and see what you guys think. I am having a 2-3 gear jarring/jerk issue that bothers me. Go to ebay and search for "4L80e fittings" and you will find the correct fittings. Low or contaminated fluid can lead to poor shifting performance, hesitation, and 4l80 starts out in 1st gear. I belive limp mode engages second only. 48:1; Third, 1. Misaligned throttle position sensors and malfunctioning shift solenoids are possible causes. This is achieved by placing a clutch in the torque converter that locks out the hydraulic torque multiplication Mar 9, 2015 · As stated below, the gear shifter is sloppy and has (on occasion) slipped out of OD into neutral actual and indication. g. Torque Converter Not Locking Up: The torque converter on most modern automatic transmissions is made to lock up in order to allow for a physical connection between the engine and the rest of the drivetrain. Apr 6, 2007 · That's another $200. Aug 31, 2019 · 4l80E No Fourth Gear/Overdrive. Dec 1, 2008 · 1993 F 6. It shifts perfectly at part throttle and fluid level is good. One common cause of gear shifting problems in a Chevy Avalanche is issues with the transmission fluid. Apr 1, 2014 · Check resistance of the 1-2 shifting solenoid at the passthrough connector, E to A and note the resistance. If you are experiencing no 3rd or 4th gear, it can often be caused by the shift solenoids. Order Online today and get a Monster in your ride! (Total Items: 5) Sort by. In this case, it’s probably going to be the 2-3 shift solenoid. Smelled OK, no real burnt smell or anything. Figure 3. Solenoids are fine Jul 19, 2023 · There could be various reasons for the Nissan Frontier’s gear shifting issues, such as misaligned throttle position sensors, malfunctioning shift solenoids, or even general wear and tear related to higher mileage. , 3:42 rear gears, 170,000 miles, Heath 4" exhaust, dual thermastate/HO water pump upgrade, DB2 pump turned up 1/4 turn, 97+ air cleaner, removed snorkle, Autometer EGT/Trans/Boost gauges, manual torque converter lockup switch, Heath turbo master, Okanagan BC. Im having a little problem trying to put my trans into gear. The solenoids control the flow of fluid within the transmission and any malfunction can disrupt the shifting process. Before resetting the transmission control module, it is necessary to check the key position. The 4l80e transmission was introduced in the early 90s and is commonly used in heavy Nov 2, 2023 · 4L80e Not shifting. Jul 30, 2008 · Quick Navigation GM V8 Tuning - Transmission Top. Shifted normal about three test drives after, but not now Aug 28, 2009 · Here's the scoop, owned this trcuk for 12 years, 305,000 on original 4l80E transmission. Shift Solenoids will not cause this as there is NO combination for neutral with the Manual Valve in a forward or reverse position. When I logged the data I noticed the VSS Dec 19, 2011 · 4L80E Wont shift. Hello, thanks in advance for any help. More often than not, this procedure is going to do the trick. Diagnosing the issue and seeking proper repair can help ensure smooth operation. Sale. When dealing with 4L80E transmission and no reverse, start by hydraulically splitting the circuits. 73 rear. 7 gas motor and a 2001 Chevy express diesel motor high top. SOURCE: transmission will not shift. He agreed to check it out - it started shifting hard occasionally about 4 years ago, and within a 6 month time span, progressed to shifting hard every time it went from 1st to 2nd. We have built them for applications ranging from heavy towing vehicles to 1800+ HP street/strip cars. The 4L80E is the descendant of the “Ole Reliable” TH400 transmission. $99. So Feb 10, 2021 · Luckily, resetting your transmission control module is pretty easy. 95. It shares many components and design features. B. Sep 6, 2016 · Common 4L80E Problems. Low or contaminated fluid can lead to poor shifting performance, hesitation, and May 26, 2012 · 4L80E swap issues. It's for the Input speed sensor, due to it's design. It was a 4-speed automatic transmission used in various GM cars (especially Chevrolet and GMC SUVs/trucks) and in a few models of Rolls Royce and Bentley. Once you modified the 4l80e and use a higher stall converter the shift times may not be reported properly in the ECU and this could lead to over-adaption (crazy pressure adjustments automatically). - Using a switch to ground the TCC wire Jul 9, 2023 · Lockup is only commanded for 4th gear. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Chrysler Town and Country that won’t shift. This is a 2002 6. Oct 3, 2023 · If you experience hard shifts from 1st to 2nd gears in the 4L80E transmission, you should check fluid levels, the condition of the clutches, possible overheating, and other issues. If they can’t engage a gear properly, the transmission won’t be going into that gear. Posted on Jun 22, 2009. Throwing parts at it can really screw you because some parts are different for 91-93 vs 94-02. While on the road, I can shift from D into 2 and it will downshift ONLY when going above 30 MPH. One of the biggest differences is the lockup torque converter, and an additional forward gear which served as an overdrive to improve fuel economy. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Lincoln Navigator that won’t shift. Inspect transmission fluid leaks from your car. Noticed that the torque converter wasn't locking up when this happens. You may face difficulty moving the gears to upshift or downshift. About 10k miles on humvee. So far I have confirmed power to the switched +12V input, confirmed VSS and Turbine sensors are not reversed, and confirmed tire size and Rear Gear Ratio are correct. Most of the time it is off, haven't checked codes yet. 48:1; Second, 1. 1994 Chevrolet Saburban K2500 6. Plus, you can see and smell the fluid to tell if it is burnt. Put more fluid in it!!!!! At cold temps. Check that the dashboard lights are on. Mar 23, 2021 · I have an m1165 6. DESCRIPTION Oil pressure is supplied by a gear-type oil pump. Symptom 2: Transmission not Downshifting/Upshifting. $35. It is shifting slow and soft, and wanted to try to firm it up. I have switched over from EFI Live and factory ECU to Holley. I have no test equip Wasn't running when I got from GPnt. Bad IP-Replaced Injection Pump-runs fantastic. Problem #1 - The Valve Body. Truck originally had a 3 wire dakota digital speed sensor and the shop tapped in the VSS high to the signal wire. Low or contaminated fluid can lead to poor shifting Jul 19, 2023 · One common cause of gear shifting problems in a Dodge Durango is issues with the transmission fluid. The truck is a 2002 2500HD Gas, 89,000 miles, I've had it since 69,000. also check your input and output shaft speed sensors. I know it's not a GTO, but the electronics are the same and by far I have found the most information on this site. All the switches, solenoids, etc are an additional $200 at shop price. New updated sealed one is the fix. To do this, we will have to have the oil pan removed. I had a 2000 Chevy express Quigley 4 x 4 conversion 5. When it comes out of lockup, no shuddering occurs. Low or contaminated fluid can lead to poor shifting performance, hesitation, and Apr 19, 2020 · 1993 K3500 Transmission Issue 4l80e auto. Tim. May 25, 2019 · Installing the Go Shift Transmission Controller from FiTech for GM 4L60E, 4L65E, 4L80E, and 4L85E. Aug 4, 2020 · The 4L80E transmission has some quirks and over the years has had several updates, the reason your 4L80E started shifting hard was because it was sensing slippage. Could it possibly be in my tune. Harvey N Tawatao. Oct 7, 2019 · Also, the 4L80E performance transmission was designed for cars up to 16,500 lbs GVWR with towing capacity up to 22,000 LBS, and whose engine is up to 440 ft. Oct 13, 2022 · Installed a Fitech GO Shift controller on a 4l80, and had alot of problems. It has a digital dakota 8k pulse generator on it. 5td with 4l80e trans. Tried pulling the ECM fuses, disconnecting batteries, didn't help. Long, Kit. As with most units, the 4L80-E transmission’s valve body is designed to be cheap for mass manufacturing, and not superior for longevity, performance and drivability. All you need is a screwdriver and an oil pan. I messed with the shift pressure and timing and of course made things worse. Also is it possible for this thing to shift if i unhook all the electronics? Feb 26, 2024 · Here’s how to narrow down specific 4L80E problems: Check Fluid: Start with the basics. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Nissan Altima that won’t shift. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Toyota Rav4 that won’t shift. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Chevy Silverado that won’t shift. It was also adopted in Rolls Royce and Bentley vehicles. I rarely tow anything with it and it doesn't look like it was ever worked hard. Jun 11, 2023 · A 4l80 is a four-speed automatic transmission, while a 4l80e is the same transmission with electronic controls. When it electronically shifts to 4th, the converter locks up shortly after, and it shudders ever so slightly as it goes to lock up. 8. Trans always shifted smooth, even now with only 1st and 2nd it shifts smooth. 79 $32. Yeah, Jake and crew recommended the early design because of better fitment. Speedometer reading correctly Yes. Aug 27, 2020 · If your car’s transmission needs replacement or you are planning to replace it with a 4L80E Transmission rebuild kit, feel free to get in touch with us today and discuss your requirements. 75:1; Reverse, 2. It is a very simple procedure and can be done two different ways. Using the TM (Supp 7) and the internet. The 4L80E shifts hard from 1st to 2nd gear and has always done so since I've had it, all other gears shift smoothly. The next two heading toward the firewall are both EGR solenoids. Took it out of storage this week and took it for an annual test drive after sitting all winter up here in MN. Check your transmission fluid dipstick. The shudder is only there for a few seconds, and goes away. Torque Converter seated incorrectly. Been setup like this the 2 plus years I have owned it. Shifts great automatically, or manually, and locks up as it should, but only in 3rd gear If shifter is in 4th/OD, it will shift through the gears, then with any sort of load, pretty much disengage (neutral out Oct 15, 2022 · Can’t find the 4L80e shift solenoid location? Check out this article and navigate to it within a few minutes. OR the 1-2 shifting solenoid is clogged. Gear shifter indicates OD but stays at 2600 rpm. Hi all, I have a LSx/4L80E swap going into a truck using a E40/T42 combo. Explanation below All gears are selectable shifts into rev, 1st, 2nd and 3rd plus 3rd lockup just not 4th or 4th lockup. Too much transmission fluid. Use an OBD2 scanner to scan your car’s computer for any problems. Pulled the codes and got P0741 (tcc perform. If one of those fail, or gets flaky, the computer will command a 'limp' mode. Without further ado, let’s analyze the popular problems of the 4L80-E transmission and how we can permanently resolve them. It feels to me like it's stuck in 2nd, but I'm not 100% sure. 2. The car only works in reverse and 1st gear. This issue usually requires a professional Mar 13, 2020 · Fort Worth, Texas. The sensor is located on the driver side forward of the pan before the bell housing. Feb 2, 2019 · 4l80e not shifting out of first. As for DTC 33 & 34, EGR or stepper motor should not have any effect on shifting. It does not slip. Check the TCC Solenoid for resistance at the passthrough connector. As to length, this transmission is 26-1/4" long. Understanding the symptoms and causes of these shifting problems is crucial for Dakota owners, as it helps them to diagnose the issue Jul 19, 2023 · Transmission Fluid Issues. It could be a bad TPS, MAP sensor, EGR valve going full open, trans temp sensor, coolant temp sensor, and on and on. These sensors are integral to your vehicle’s performance and safety, and understanding their functions and maintenance is essential. The torque converter on this automatic transmission is a fluid turbine drive, much like those found on its predecessors, e. 3, V8 311,000 miles, leaks oil now at rear main seal. This old truck is my summer truck. Check the line pressure, especially during individual shift failures, to see if it’s out of specification. It will go into 1st when not running. Jun 6, 2021 · I've gone on a few short test drives and have noticed the transmission is not shifting. sensor kick-down feature and will shift the transmission into one gear range lower than is selected on the gear range lever. 3. Check resistance of the 2-3 shifting solenoid at the passthrough connector, E to B and note the resistance. Nov 21, 2023 · Erratic Shifting: If your 4L80E transmission is experiencing erratic shifting, such as delayed or harsh shifts, it could indicate a problem with the transmission solenoids or the valve body. It is 26¼ inches long and boasts a 310mm torque converter. 2001 Suburban LT 2WD, 5. 48K views 1 year ago. Then you have to also take into account the additional expense of new solenoids, etc internally that need to be replaced. 95 $84. Nov 7, 2019 · The 4l80e is a fully electronic transmission and needs to be diagnosed as such. Usually, the gear gets kind of choppy May 19, 2018 · A bad shift solenoid can cause no 3’rd or 4’th gear in the 4L80E Shift Solenoids. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Jeep Compass that won’t shift. It ran perfect no shifting issues. Low or contaminated fluid can lead to poor shifting performance, hesitation, and even Nov 2, 2011 · I finally got around to swapping in a '7427 PCM and 4L80e into my '90 K2500 and now for the life of me, I can't figure out why it won't shift! Anyone know of a shop around the DFW area that could help me figure this out? Jul 19, 2023 · There could be various reasons for the Nissan Pathfinder’s gear shifting issues, such as misaligned throttle position sensors, malfunctioning shift solenoids, or even general wear and tear related to higher mileage. The 4L80E also comes with a lock-up pressure plate for direct, mechanically-coupled driving from the engine crank. Jun 26, 2021 · The older 4L80's (pre-96) were like that and are preferable IMHO. 30,000 miles on Mobil 1 ATF and filter - I was just about ready to change it. Late shifts are normal. 5L Turbo Diesel Base 4x4 - Chevrolet 1995 K2500 question Aug 8, 2013 · The 4L80E transmission was mostly used in 34- and 1-ton trucks and larger SUV applications beginning in 1991. Drove, only up to 2nd gear. It allows fluid to seep in and damage it. Apr 4, 2014 · Stay. The "E" means that it must use an electronic ECU for control, as it will not function Jul 19, 2023 · One common cause of gear shifting problems in a GMC Envoy is issues with the transmission fluid. Been chasing this one for about a week. PSM#3 will operate SOL B. The 4L80 features a 310 mm torque converter. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Subaru Outback that won’t shift. If the cooler fittings are spaced apart it's a newer trans - 97 and later. Eventually, that cleared up, but we also had a code for a shift solenoid, just can’t remember Dec 12, 2023 · Step 1. around 5 - 10 minutes, so let me tell you about my hard 1-2 shift". However, stepping on the accelerator and starting the car in the first step is not necessary. 00:1; Fourth, 0. Jan 8, 2007 · 737 posts · Joined 2006. I have the shift works setup and with the current install there's a pretty pronounced "S" bend in the cable and when I try to move from "Park" to "Reverse" my controller still shows "Neut/Park" for one, and two it physically feels impossible to move any further. Scan for Codes: Use an OBD-II scanner to pull any trouble codes that can pinpoint a specific area of the transmission. 282. lbs. Jul 18, 2011 · The sensor itself may be bad. It does not do this for the first 5 minutes of driving until the trans starts to warm up above 50 degrees. It does shift right into gear no matter how hard/soft you accel. The throttle position sensor is located on the fuel Injection pump. Oct 13, 2022 · When your 4L80e solenoid doesn’t get the fuel running in the right way, it can cause this gear shift. 0 with 4l80e. May 1, 2015 · Holley Dominator / 4L80 Transmission Shift Problem 1st Gear. Fluid color and smell Slightly dark reddish-brown. 54. We fix the issue of going directly to 2nd gear which is limp mode. Feb 20, 2014 · The 4L80E gear ratios are: First, 2. IF the ECM is not getting a signal from the V V S, the PCM can not give the signal to switch gears. If the cable breaks, comes loose, or isn't properly setup, you can toast a 4l80E. Anyway, I got the engine up and running, trans in, everything bolted up. Some cars that used the 4L80E transmission include Chevrolet/GMC pickups, commercial vehicles, and vans. I doubt if the transmission was ever serviced. Shifting normal/hard Shifts hard, almost bangs into gear especially 1-2 shift. , the 700R4, 4L60, TH350C. Aug 19, 2012 · My 4L80E transmission will not shift out of 1st gear. Shifting into OD okay? Sonnax Hydraulic Line Pressure Booster Kits 4L60E-LB1. When hooked up to a civi computer the transmission will manually shift through all gears. Got stuck, rocked truck to get out, pulled out on the highway and it would not shift into OD. 4. Oct 25, 2007 · 698. I'm not getting it to shift out of 2. Sep 29, 2022 · Subscribed. Jul 19, 2023 · One common cause of gear shifting problems in a Chevy Express is issues with the transmission fluid. Initially, after install, you had to rev the shit out of it to get it to move. I followed the diagrams from GNXClone's swap thread and wiring up The 4L80E transmission is a 4-speed automatic gearbox that uses similar architecture as the venerable TH400. It is stuck in 1st gear. At Jake’s Performance the 4L80E is our most popular transmission. Jul 19, 2023 · Checking the transmission fluid is the first step you should take in diagnosing a Volkswagen Golf that won’t shift. Modern GM transmissions can be more than a little tricky with all the wiring and tuning involved Shift time is for adaptives of a stock unit. #4. The one closest to the front is the wastegate solenoid. Understanding the symptoms and causes of these shifting problems is crucial for Frontier owners, as it helps them to diagnose the . Oil pressure is regulated by a pressure con- trol solenoid, and shift points are controlled by shift solenoids via the transmission control module (TCM) operation. In your part throttle speed> shift speed vs TPS > normal table: From 0-12% TPS, your 2>1 MPH needs to be lower than 3>2 MPH. Below, we’ll go into a little more Jan 7, 2019 · There is a GM Bulletin for erratic harsh up shifts at different engine speeds. If not a 4 wheel ABS truck, that transmission uses two speed sensors to determine how much slippage is occurring and changes line pressure with a force motor on the valve body. or stuck off) and also P1870 ( Trans. 4L80e shift solenoid may not facilitate the shift of gears at all if it’s faulty. Use an OBD2 scanner to find out if your car is in limp mode. 3) SES light comes on intermittently, but doesn't stay on for more than 10-15 seconds. The torque converter is a fluid turbine drive and like those on its predecessor transmissions; the TH350C, 700R4, and 4L60, the 4L80 features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. Hello. The 4L80E transmissions were assembled in Ypsilanti, Michigan, at the Willow Run assembly Jun 23, 2015 · If your transmission fluid is low, the transmission may not be able to shift correctly. if the speedo is normal, look at the input shaft one. The V V S is on the drivers side of the end ot the The 4L80-E is a codename for automatic transmissions from the General Motors (GM) designed for longitudinal engine setup. The V V S is on the drivers side of the end ot the transmission that is held on by one bolt. 5 turbo/desiel 3/4 ton HD, long box, 2wd, 4L80E trans. How do you reset the transmission control module in your Chevy Silverado ? Turn the key, press the gas, wait, turn the key off, release the gas, wait, and you’re ready to go. The handheld is showing it commands 4th at the proper time, but there's no shift, all other gears seem fine. First off this is 4L80 conversion, EC_Tune did the segment swap and his instructions were followed perfectly. Check the Vehicle Velocity Sensor (V V S)- (Speed Sensor) or the wire harness to the VVS. This is a fixed line pressure unit. I'm not sure how long it was doing this because I just mostly use it as a back road short trip truck. I swapped the bodies on two vans. - Combine and splice PSM #1, PSM #2, and SOL A together. To begin with, you must change the key position to 2. At WOT it just will not shift. Jul 19, 2023 · There could be various reasons for the Dodge Dakota’s gear shifting issues, such as misaligned throttle position sensors, malfunctioning shift solenoids, or even general wear and tear related to higher mileage. #1 · Jan 8, 2007. 01-15-2022, 01:33 PM. The 4L80 worked previously. Tech support wa So much so that the moment it shifts into 4th, it’s as if the TC is locking up with the shift and will stay locked even down to 35 mph, which is lugging the engine. Jul 19, 2023 · One common cause of gear shifting problems in a Honda Odyssey is issues with the transmission fluid. I was called out to help diagnose and fix the problem of strange shifting. Shift to third 2-3 solenoid on. Sep 29, 2021 · I'm out of ideas. Check if your torque converter is working properly. Shift to overdrive both solenoid are on. There are three solenoids on a bracket mounted on the rear driver's side intake. I swaped TQ converters and controllers and when I took it down the road today for the first time in a long time it doesn't shift. 3854 Answers. It also had a much stronger 32-spline output shaft, and a Transmission Control Module Apr 15, 2009 · I've gotten some really hard shifts lately after coming off the freeway with my 2000 chevy 3/4 ton with the 4l80e tranny. Generally disable adaption and ignore shift time for modified units. One transmission shop thought Feb 18, 2015 · 191. Check the Transmission fluid temperature sensor. If fluid level is acceptable, move on to Step 5. Understanding the symptoms and causes of these shifting problems is crucial for Pathfinder owners, as it helps them to diagnose Sep 11, 2023 · In this article, we’ll explore the critical components of the 4L80E transmission speed sensors, including their locations, common symptoms of sensor issues, and a straightforward guide on how to replace them. Perform the pressure test in the specific gear where the issue is present. Superior | PR201 PressureRiser Package. Sep 2, 2009 · Solution to the 2nd to 3rd upshift problem (clutchpack engage-disengage-reengage) Jan 7, 2008 · PagePage 72 Troubleshooting the 4L80E Automatic Transmission. When I put it in Reverse, it shows "1" on the Gauges screen, and when I put it in D, it shows "1" and after starting the Drive, it shifts from 1st gear to 2nd, and on-screen it shows "2", it's not shifting to 3rd gear & 4th gear. Turning Key Position. 907 in. I am just getting my Holley Dominator setup up and running. - Splice PSM #3 with SOL B. Jan 15, 2022 · 4L80E not shifting into 4th. I have a Gen III 5. Test drive to about 30mph with engine screaming. Nov 7, 2023 · My main problem is with the transmission, it won't shift when I connected laptop with it. Transmission fluid plays a crucial role in the operation of the transmission, allowing gears to shift smoothly and providing proper lubrication to prevent wear. It is 3200 Precision Industries stall and I have a Transgo HD-2 Shift Kit installed. Make sure the fluid is at the right level and isn’t burnt or contaminated. dn xx lv bi hm cb vi zr kr qf