Transmission surges when driving. If I accelerate or slow down, it stops.

Transmission surges when driving They do agree that they can feel and see the RPM surge Dec 8, 2014 · Hello I have a 2004 Trailblazer EXT 4. 6litre surges on hills or under hard acceleration. Jul 11, 2018 · The second, when im driving at a constant speed on the highway/ freeway the truck feels like its surging/ hesitating. It was running perfectly when she brought it home one day, then two days later hops in and it now has a surge/stumble that makes it nearly undriveable. ) before conducting test. However, this never happens at highway speeds, and it stops happening altogether after driving at highway speeds for a little while. 3L is becoming somewhat of a common issue. They did say the Acadia was Jul 31, 2023 · Hello, I have a 19 jlu with 83K miles, a 3. I had a great conversation with the owner which said the RPM fluctuation was caused by the torque converter friction plate. Thankfully, The Transmission Clinic of Rochester offers expert diagnostics and repairs to Oct 16, 2014 · My fluid looks pretty clean still and I am not getting an rpm surge. Fixing it should be considered a priority. Understanding the root causes of this issue is key to both preventing and addressing it effectively. Oct 8, 2023 · Looking for answers - The vehicle has a slight intermittent surge feeling while driving , more so up slight inclines. It's well documented on the Mustang, F150, as well as here (all use the same transmission) that Ford has been underfilling the 10r80 transmission at the factory by as much as 2+qts. Jan 3, 2024 · 2019 - 2023 Ranger - 2019 Ford Ranger low speed chugging issue - It seem more lately that when I'm at low speeds below 40 miles per hour, my pickup seems to chug as if it were searching for a gear. Has anyone else had this issue or know what could possibly be the issue? May 6, 2018 · Like I wrote recently, these X3s are never boring! New problem (last was the water pump; N52 automatic, MSport): A week or so ago, on the first day that got almost hot outside in the afternoon, upon driving home from work (after three miles or so, so the car had warmed up) it started surging/jerking upon mild acceleration. Defective Transmission The transmission handles all of the gear shifting. Idle is good. Jan 18, 2019 · My 2014 130000 miles 5. Service manager did a road test and verified the buck/surge did infact exist. Under steady speed in town or highway I can sense what feels like a downshift or upshift randomly Oct 27, 2019 · 2014 1500 with the 8 speed, 121,000 miles and owned since new. I have had the TPS relearned, new air filter, MAF Oct 5, 2020 · If the RPM surge happens when you apply modest pressure to the pedal, it could simply be the torque converter lockup clutch releasing under acceleration load. From what I was told, the software stops the transmission from getting the fluid to that state. A scanner doesn't show any issues. When holding a steady speed, the RPM's will increase then decrease between 2 and 3 hundred RPM's. they have told me that after hooking it to scanners and driving that the transmission is running normal. While driving down the road at a constant speed the truck feels like it has a surge to it or a jerk back Jul 21, 2007 · It does the same surging when driving at a moderate but constant speed between 30 and 50 mph depending on road incline. It did this in both 7th or 8th gear and with the cruise on or off. This issue, often described as a shaking or vibrating sensation during gear shifts or acceleration, requires timely attention. Dec 17, 2022 · It has a rebuilt long block, new Jasper transmission, rebuilt transfer case, and rebuilt axles as of about 3000 miles ago. This part is responsible for gear changes when you accelerate. It really feels like the torque converter locking and unlocking Introduction Car transmissions are complex systems that play a crucial role in your vehicle’s performance. 37k miles. The pilot has about 800 miles so not too worried given the warrenty. None of the previous hybrids have had any surging issues. I hear a little chirp from the turbo during the surging. If I put my foot to the floor board, it accelerates normally, however if I give it gas slowly, the surging comes on strong. It helps control transmission shifts, ABS, cruise control, the speedometer, and more. At 6000+ miles I took tech for a ride and verified shudder. A symptom of bucking or surging between 30-50 mph on the 2019-2023 Ford Ranger equipped with the 2. Anyone have a similar experience or a Transmission Overheating: Overheating is another major issue, particularly in hot weather or during heavy driving conditions. Mar 12, 2020 · There is a thread called 2019 Edge low speed surge/buck further down the 2. I Jan 21, 2021 · 2016 Dodge Grand Caravan here' same deal. -Doesn't actually shift gears, it just sloppily bounces/surges as it accelerates in whatever gear it is in. Apr 25, 2019 · My wife's Titanium surges and bucks at low speed. I was towing a 2000lb trailer and at exactly 54 mph (1200-1400 rpm) in 6th gear, the tranny would start bucking. Jan 10, 2022 · Some 2019-2021 Edge/Nautilus vehicles built on or before 11-Mar-2021 and equipped with a 8F35 transmission may exhibit a shudder/buck/jerk while driving up to 35 mph (57 km/h). Jul 9, 2015 · I have felt from the first time I noticed it that it was transmission related based on the feel of driving it. Any Ideas? Apr 25, 2019 · Mine is back at the dealership for another (number five I believe) try at fixing this bucking/surging issue. Mechanic said possible fuel filter or transmission problem. By understanding the causes, symptoms, and potential solutions, you can be better prepared to address these problems and keep your vehicle running smoothly. It happens to my Explorer while I'm running errands. I'm very familiar with Hybrids, had 2 Lexus and 2 Toyota hybrids previous to the current Rav4. Jan 3, 2020 · Car Guides Auto Q&A: Ridgeline experiencing mysterious surges It can be challenging sometimes to determine if a surge or stumble may be caused by the engine or transmission. At speeds below (under 25) the transmission seems to surge. It would typically The surge issue related to the transmission torque converter is quite common. In general, the fluctuation you see is the VCM operating. Any ideas Jun 9, 2008 · It occurs when trying to maintain low speeds in 3rd, 4th and 5th gears, anywhere below 1300 RPM. Had a local transmission shop diagnose and they quoted me $2800 to rebuild both the torque converter and transmission. 0 liter ecoboost. Jul 7, 2018 · So i highly suggest changing you transmission fluid if you have the hesitation/surging while driving. 7 hemi with 8 speed auto . 1. It seems to be worse when the temperature is cold outside. Three different mechanics and we’ve still gotten nowhere. Not during the whole acceleration, only when i apply more gas and the rpms rise, usually once i back off it stays steady. Turn on or off the Tow/Haul did not help. I’ve cleaned the MAF sensor with no change. Jul 24, 2020 · We purchased a 2012 Chevy Traverse in the Fall of 2019 and a few months later began to notice a surge or drift feeling as we were drivingRPM’s are fluttering during each episode as well but there has never been a code thrown. It will surge between 1300-1800 RPMs. The use of 89 octane and a Pedal Commander solves 99% of the chuggle issue I have without them. It happens in all gears. 5L I4 63,000 miles Been having a subtle but worsening issue when accelerating. 100,000 miles. The rpms are low since the truck is in its 5th or 6th gear, typically around 1000-1500rpm. Dec 31, 2017 · The car is still surging while driving, particularly at idle, while first starting out, and then also when at highway speeds. If I am accelerating a little harder, seems Jul 29, 2023 · Addressing engine surging at highway speeds is essential for a smooth and safe driving experience. Apr 30, 2024 · "Find solutions to your 2016 Honda Pilot hesitation when accelerating with our in-depth guide. It was almost like the brakes were very lightly being applied and then released. Feb 22, 2025 · I recently went on a 2500 mile or so roadtrip over the weekend in my 2020 f150 and started having a surge or shudder out of nowhere while going highway speeds with cruise set, anytime that I encountered an uphill portion of road it would surge on and off. The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going. Aug 29, 2016 · I am new to Subaru. My car surges and pulses during acceleration. When they malfunction, it can lead to a variety of problems, including surging before downshift and radiator failures. I've got about 73k on mine. Transmission surging, characterized by sudden, unprovoked changes in speed, can be alarming. Oct 28, 2021 · 2014 Ram 1500 5. If basic fixes fail , exploring advanced solutions like ECU reprogramming or upgrading key components may deliver Nov 21, 2024 · Large-scale transmission is the lowest-cost method to address load growth, but according to FERC data, only 55 miles of high-capacity transmission (345 kV and up) were built in 2023, with the beginning of the 2020s having much lower rates of high-capacity transmission construction than the beginning of the previous decade. Oct 7, 2021 · I had the transmission surge shortly after I bought my 2016 EX-L at 125,000 miles. I have had 4 reflashes since February, 2011 but still experience this phenomenon on a regular basis on the Apr 25, 2019 · In replying to my comment on the forum someone mentioned that Ford got creative with the 2023 ST Line Edge by turning the transmission into a 7 speed transmission by eliminating the second gear through software changes to the transmission. Recently it started having this "rpm bounce" , about 100-200 rpm when driving about 40-50mph. She says that it is surging with a noticeable fluctuation in RPMs as seen on the tachometer while driving. The normal sign of worn torque converter is the RPMs going higher and lower while driving at a consistent speed. If you pressed more pedal, then the transmission would downshift in response. If engine torque is larger than +- 25 Nm while no gear shift is active, and throttle is relatively constant the issue most likely lies within the engine. Anyone else experience this with a standard transmission? Mar 6, 2023 · Here is a more detailed list of the causes of RPM fluctuation while driving. Service Procedure From the DT-52263 Transmission Fluid Exchange Kit, remove cooler lines and install DT-52263-1 Block Assembly. The surge is consistent happening at set intervals (about every 4 seconds). so waiting for a part and they will install and hope its the right fix Jun 18, 2008 · Tommy R - my 01 did the same thing. I tried putting the truck in neutral when I am coming to a stop and noticed that it is still surging but not as bad. The new for 2019 8F35 transmission is surging at low speeds during warmup and to a lesser degree when fully warm. You would think the surging would be an engine issue but apparantly not. This happens in OD and in 3rd. Aug 19, 2022 · The surging RPM could be an engine issue, but there should be a CEL and some engine codes set. The torque converter is sort of an automatic clutch that functions on fluid dynamics. Finally after a sit down with GM and Service manager they got it in and repaired in 3days. Anyone out there having the same problems? I am interested to know what your thoughts are. Jan 16, 2013 · New to the diesel world, this started happening last night and again on my way home from work this morning, I've done some research but can't find anything that really matches my problem. . I notice mostly while driving Aug 9, 2022 · I wanted to post the update to the following post I created back in May. Apr 25, 2019 · They did perform the update and I will say that I believe that the transmission does shift a little smoother but the bucking and surging is still there although maybe not as pronounced. Help! Jump to Latest 34K views 84 replies 14 participants last post by WestCoast93 Jun 16, 2024 M Recently however, this has started happening just driving around the neighborhood at ~30 and accelerating, though it's certainly less noticeable. The problem, I'm now seeing is a surge of sorts. The problem starts out a good two years ago with an engine surging issue The engine surge is like many describe here but different at the same time. 6 and auto. In this video Aug 8, 2022 · It will help to know the year and transmission to provide more targeted responses. . Dealer claimed they couldn't verify. After four days I was told resetting transmission adaptive learning appears to have corrected this problem. 7 with 87000 miles. The tech who normally works on our vehicles said he didn't feel anything until the vehicle 'jumped" at steady throttle. Jan 30, 2013 · My daughter-in-law has a 2018 Honda Pilot. 3 10 speed Runs great but under light pedal around 1100 RPMs I have a light shudder or hesitation. Any lurching or surging, if you ask me, is not normal with the 10A. f. We’ve Oct 27, 2016 · 2014 MDX AWD Tech I have recently noticed an odd pulsing/fluttering when accelerating at moderate/slow rates. It normally only happens above 45 MPH or so. Feb 22, 2024 · I just had the transmission replaced around 2 weeks ago, because it had started wildly surging and losing power, and got to the point where the cvt belt was slipping. Jul 24, 2025 · Difficulty driving – Engine surging can make it hard to control the vehicle, especially at low speeds or while idling. How many miles on the vehicle? Do you know anything about the vehicle's prior use? Is there a transmission Sep 29, 2010 · From what the mechanics said when I had the second rebuild the first rebuild wasn't done correctly and basically ate up the trans. Apr 30, 2020 · 2015 escape 1. The car shudders/jerks as if you just ran over an object in the road; you feel it in the seat and by your foot on the pedal, essentially throughout the car. Mine has the 8spd, but that’s irrelevant imo. Anything else to check? Thanks. 2014-19 RLX Sport Hybrid and 2017-19 MDX Sport Hybrid: Transmission Judders, Shudders, or Surges While Driving AFFECTED VEHICLES SYMPTOM The transmission judders, shudders, or surges while driving. Of course the dealer doesn’t know anything unless every light on the vehicle is on. Inspect the throttle body and mass airflow sensor for dirt or faults, as these affect engine response. and it is. RAM techs can't even figure it out. However, some owners experience transmission shuddering, which can affect driving performance. The Tundra uses this signal for many vehicle functions. ALL help is appreciated. I decided to lockout 10th gear for the Mar 8, 2019 · I am on my 3rd AISIN transmission. Dec 27, 2022 · Crossovers - edge 8F35 transmission - This problem recently showed up on my 2019 Edge. I was traveling between 65 Jun 13, 2018 · The exact words on my invoice were " AFTER UPDATE FLUSH THE TRANSMISSION THREE TIMES AS INDICATED IN REPAIR PROCEDURE" All that being said, if the fluid is deteriorated and causing this problem, a change OR flush is needed. Jun 8, 2018 · Re: intermittent surge while driving by 3FOX » Fri Jun 08, 2018 6:24 pm If this happens in Over Drive between 45 and 60 mph at light throttle applications, then goes away with a downshift, there is high likelihood a faulty ignition coil is the cause. Issue: Some 2019-2021 Edge and 2019-2020 Nautilus vehicles built on or before 11-Mar-2021 and equipped with a 8F35 transmission may exhibit a shudder/buck/jerk while driving up to 35 mph (57 km/h). Nov 16, 2018 · The behavior you describe is called "surging" and it happens when the engine is warm, just restarted, and driven at low speed (partial throttle). One user had the issue We would like to show you a description here but the site won’t allow us. If the engine speed continues to fluctuate as you hold on the gas pedal, and if you have a 6-speed transmission, then it may be in the early stages of I've got a 2020 Honda Pilot EX with 44K miles on it that does this strange RPM surge when cruising around 42-46 MPH. Apr 22, 2025 · Experiencing RPM fluctuations while driving? Discover the common causes, how to diagnose the issue, and effective fixes to restore a smooth engine. The torque converter, a critical part that helps transmit power from the engine to the transmission, is often the main reason behind this shaking. The mechanic said that it is transmission related and he does not Automotive service and car care tips provided by Openbay, an award-winning online automotive service platform. -Happens less in S or TIP but still happens Jan 4, 2020 · I put a complaint into Ram about my truck for the surging issue, and got a call back 3 days later. Jan 17, 2017 · I was driving back from a snowmobiling trip and this issue started happening. 54 K Miles - Bought new, never driven hard. Dec 28, 2019 · It seems when slowing and basically doing a rolling stop (super slow, 3-6mph) that the transmission hesitates and a harsh downshift occurs. For the first 15-20 minutes under steady cruise the engine RPMs will surge 100-200 rpm. Check for updated TCM software and ensure proper transmission fluid levels. I bought a 2017 3. Recently I noticed the engine will surge (rpm's fluctuate) a couple hundred rpm about every 5 seconds while driving under load. 5 Ecoboost Supercrew Sport 4x4 10 speed, 40k Miles I have been noticing an odd surging/bucking problem in my truck as of recent. Seems like transmission likes to shift down if I try to accelerate gently as it has trouble in the 1500/1800 RPM range. You can even see the rpms jump around a little. This could also cause odd and random shifting issues. This condition will stop once the RPM's drops All models equipped with RFE transmission. Minimize extraneous vibration input by testing on a smooth road and correct any other known vehicle vibration issues (tires, brakes, etc. If the car sets a trouble code, have that followed up and documented as well, to 2018 Transit Connect Titanium Wagon LWB 2. From diagnosing common causes such as vacuum leaks and ignition system problems to implementing preventive maintenance measures, taking care of your vehicle’s engine is crucial. It's really noticeable taking it up some of the more demanding hills going through the smoky mountains. Since that was my first instinct I think approaching it from a mechanical standpoint makes the most sense since fueling and tune approach hasn't yielded results. Jul 6, 2023 · The curious thing was that driving @ interstate speeds (65-80) the ATF temp was pretty consistent at 195-ish degF, however during stop n' go traffic (we were traveling I95 which briefly becomes a parking lot on the weekends) the ATF temp climbed to 220 degF at one point, however once back up to interstate speeds did come back down to 195-205 degF. Model specific subject matter experts, classified ads and more. Surges and stalls can mean you have a serious transmission problem. Sometimes its subtle like driving over a small rock, other Sep 6, 2023 · Warranty Extension TSB 23-078: 2017-2018 Pilot 6AT Torque Converter - DTC P0741 Stored 2017 Honda Pilot EX-L 6 Speed AWD 'Transmission System Error' 2020 Pilot EXL 6 speed Transmission Surge/Judder Flush Solution 2016 EX-L 6 speed transmission sporadically slips/jerks/clunks The TSB you are likely thinking of is either 17-014 or 17-015, like We would like to show you a description here but the site won’t allow us. Try cruising at 60 or 65 mph, preferable going up a gradual hill on the freeway. Jul 28, 2024 · Hello, I have a 2025 pilot ex-l AWD that surges when shifting from 1st to 2nd and then again shifting from 2nd to 3rd, especially noticeable during the first 15 minutes of driving. Mar 9, 2022 · Throttle and transmission have been very smooth since the beginning. My daughters Specs: Wrangler - V6 eTorque with auto. Lower the vehicle. If your truck’s speedometer is not working, it’s usually caused by an issue with the VSS (vehicle speed sensor) or the gauge itself. Jun 13, 2018 · Then a few days ago the transmission started slipping and shuttering. You should have a dealer service advisor ride with you and document the issue in writing. Mar 28, 2009 · I can't place my finger on it exactly, but a few days ago my wife and I noticed that it seems to surge when driving. Chevy Forums FREE technical assistance for your restoration and repair. Had it at the dealer and they could not find a thing wrong with it. It is more pronounced when driving through the city or my neighborhood (25-35 MPH) The tachometer flutters and the acceleration is inconsistent. After some research it appears there may have been some transmission and/or torque converter issues with the Pilot. The car feels like it is searching for a gear, missing revving up and down. When I give it a little gas, you can feel the truck surging May 27, 2015 · Many 2015 Jeep Cherokee owners have reported a 'surge' or 'push' feeling, particularly when the transmission downshifts from 5th to 4th gear while coasting or slowing down. Picked it up and no shudder We have a RAM 1500 witha 5. Surging at 65-70 mph after transmission replacement often indicates transmission control module (TCM) or torque converter problems. Jan 13, 2023 · Noticeable surging once at speed and driving normally, RPMs bouncing slightly at ~1500 RPM. Aug 2, 2019 · One of the most inconvenient things that can happen to your Toyota Tundra is when the speedometer stops working. 2005 Chevrolet Trailblazer surges at a steady speed around 40 - 50 MPH. " Jan 17, 2008 · Hello all - new member here, with an '07 Tahoe LT3. Regular driving even very light throttle application when I've been off road are all smooth. If left Mar 30, 2017 · The 2017 Chevrolet Silverado 1500 has 55 problems reported for surges and jerks. In automatic transmissions, this issue is often linked to irregularities in the hydraulic pressure that controls gear changes. Put drain hose into GE-47716-2 Graduated Bucket. ALL under warranty. If you drive a manual transmission vehicle, the clutch could also be slipping. May 26, 2020 · Hey all, i have a 2017 nissan titan sv with 40k miles. Surge all gone! It seems that any little bit of corresion on the terminals gives that surge in the truck. Getting small but very noticeable rpm surges (100-200 maybe) while Mar 28, 2018 · These are tell-tale signs that it is time for a transmission service before the problems escalate into more complicated and costly repairs. Apr 5, 2019 · See Also: Drive-by-Wire vs Drive-by-Cable #11 – Bad Transmission Control Module If you drive an automatic transmission car and notice your car jerking or bucking right around the time your transmission changes gears, you may have a faulty transmission control module (or solenoid). May 30, 2011 · Has anyone else experienced "surges" in the transmission when accelerating around 65-70 mph? My transmission jerks, often multiple times, depending on my foot pressure on the accelerator. Jeep determined Jun 17, 2017 · Within the last month my 2012 Acadia has starting having fluctuating RPM's when driving at a constant speed roughly between 50-60 MPH (1500 RPMs +- 100 RPMs). My wife and I both notice that it seems to be braking???. 2L that has a surging issue that starts around 45MPH at Low throttle. It never hunted for gears and when it does shift, it's quite smooth as well. Harsh or noisy natural to reverse shiftsAll models equipped with RFE transmission. (~ 1,500 RPM. ) it has 53K miles started happening maybe around 48K miles. Regular 5K OCI. I cleaned up terminals with a terminal brush and sprayed with battery spray. Cheers Dec 8, 2018 · P0500 is a OBDII trouble code that affects the Toyota Tundra ‘s Vehicle Speed Sensor (VSS). The surging RPM could be slipping torque converter lockup clutch. The shop I took it too said the spark wires were good and cleaned along with a throttle body cleaning. Some describe it as the RPMs increasing significantly, creating a sensation of acceleration that requires harder braking. Usually run 89-91 octane. I Nov 11, 2022 · Read the article for a clearer understanding of what transmission shudder is and what causes it. How many miles do you have on yours? Have you recently got the transmission fluid changed out? I haven't on mine but I think this is a very common issue. Feb 6, 2016 · Surging and pulsing while driving. I was driving down the road at 63mph, about 1800 rpm's, when I felt a slight surge. 2006 Chevy 2500 CC LBZ. Engine oil is 3000 miles old, air filter is clean. Dec 18, 2021 · Have you tried just keeping the transmission in second and driving up a hill with different throttle settings to see if you could reproduce the surging? I would ascertain by diagnostics first whether it's genuinely a problem with the transmission or a problem with the engine, then go from there. I have no issues when accelerating. The tranny feels like it slips when it does this. Six common causes behind rpm fluctuations while driving, and how you can troubleshoot them. Jul 31, 2013 · Hi everyone, I got a 2010 5. 42000 mi. I only have one complaint - ever since I bought my Tahoe (in March), the transmission has "surged" when under light acceleration. Has anyone had any Jul 23, 2021 · Have the dealer check the transmission fluid level. It is worse when in v-4 mode. What happens is while driving at a constant The 2017 Chevrolet Silverado 1500 has 55 problems reported for surges and jerks. May 3, 2023 · The truck has 68000 miles on odometer and recetly had transmission replaced with remanufactured one (3000 miles ago). Just had mine replaced after driving it for a year after being told there wasn’t anything wrong but they did a computer update that should smooth it out. (Page 1 of 3) Nov 6, 2022 · 2020 Trailboss 5. I have no CEL and when taken to transmission shops. Toyota Tundra DT-52263 Transmission Fluid Exchange Kit: To confirm TCC Shudder, record the PicoScope data while driving in stated conditions. Oct 3, 2011 · Symptoms -Light throttle transmission feels like it is slipping slightly, or torque converter is slipping slightly. I believe this surging is an Ecoboost characteristic and has to do with a temporary build Jun 9, 2008 · It occurs when trying to maintain low speeds in 3rd, 4th and 5th gears, anywhere below 1300 RPM. The vehicle speed remains constant. It also feelsl ike ive been getting less power Aug 20, 2022 · Transmission torque converter is a very common issue with the 2019 Edge. Truck has 49000 miles on it. The Mar 18, 2017 · Hi Please help! I brought my car to dealership, then insisted nothing wrong but the Tachometer jumps randomly around as seen in this video I took of someone driving my car while I videoed it. I believe that I have another random electrical gremlin but not sure where to start. Average repair cost is $4,120 at 22,850 miles. It does this for the first 15 minutes. with 2. At speed, the truck seems to "buck" and surge. The transmission in your vehicle, like many other automatic models, tends to accumulate dirt that impacts the torque converter's performance. A shudder or shaking feeling after the transmission downshifts. You don’t realize how much you look at the thing until it’s always sitting at 0 MPH while driving down the road. If there’s a problem with the automatic transmission, the shifting could become irregular or delayed. Nov 13, 2018 · i had no CEL but when they scanned it was P0090 (fuel pump code) and had low pressure detected at the fuel rail while driving i was thinking it was Throttle position sensor or some fueling problem and not transmission. Jun 7, 2016 · Sometimes this surging is accompanied by various "stumbling," with the CVT "hunting" around a bit before it "bites" and accelerates smoothly. It causes the transmission to shake or tremble weirdly when the vehicle shifts into overdrive or when driving uphill in overdrive. It's not real significant but it's enough to bob your head back and forth slightly. Aug 2, 2012 · This condition will stop once the transmission upshifts All models equipped with RFE transmission. The update seems to have done more for the shifting than the bucking and surging. This article also highlights what to do to eliminate this transmission issue. I swear the engine could fall out and it would be “working as intended”. When cruising along, seems only under light throttle around 1800 rpm, the truck will surge/buck a little bit. If this is the case, when it gets bad enough, the dash will indicate "Transmission System Warning". Releasing the gas pedal stopped it, but reaccelerating usually caused May 10, 2023 · I just started driving it and noticed a few items that need attention so I took it to a trusted mechanic. Transmission works now and feels nice and smooth. Surge before downshift and radiator failures are common transmission issues that can have a significant impact on your vehicle’s performance and safety. recently its started doing this thing ( especially when it first starts driving at low speeds) where is surges the rpms between id say 50 to 200 rpms its momentary and subtle but enough that i can tell and that it jerks the truck slightly Oct 18, 2017 · I chalked it up to a variation of turbo lag (holding throttle steady, RPMs drop as load increases -- more fuel required to keep same RPMs -- once RPMs drop out of the turbo sweet spot, speed drops, transmission downshifts and surge; then once shift threshold RPM is reached, transmission upshifts again; lather, rinse, repeat). Unexpected surges in a vehicle can be caused by a malfunctioning transmission. If basic fixes fail , exploring advanced solutions like ECU reprogramming or upgrading key components may deliver Jul 29, 2023 · Addressing engine surging at highway speeds is essential for a smooth and safe driving experience. 7 and the 8 speed trans. Took it in with the Service Bulletin and dealer said that they couldn't recreate the surging with their computer attached after 19 miles of driving. Bought it with 10,000 miles Ram has had this problem for a year now, When cold vibrates whole vehicle and rpm fluctuation when cold, worst at 1500 RPMs, goes up about 300 RPMS then down in a perfect pattern,sends a vibration through the whole truck Feb 23, 2018 · The truck has been running great for quite some time. However, I recently had the oil changed at the dealer and while driving it home I had the worst case of the chuggles I have ever experienced. When the transmission overheats, it can break down the fluid, increasing friction and wear on internal components. This makes for difficult city driving because I either have to be using a low gear with high RPM or be constantly accelerating and slowing down. Is your car doing anything like what other people are having problems with? Nov 13, 2018 · i had no CEL but when they scanned it was P0090 (fuel pump code) and had low pressure detected at the fuel rail while driving i was thinking it was Throttle position sensor or some fueling problem and not transmission. Time for a flush and fill on the transmission fluid, or is this something more sinister? Oct 24, 2021 · Sorry in advance for long post but need some help. He ordered new torque converter and valve body. I know it is locking up because you can lightly tap the brake and the RPM jumps up a couple hundred and then it Apr 24, 2021 · I would guess it surges right at the shift point and causes the transmission to hunt a lot and causes issues. Mar 1, 2023 · Transmission? An engine that sputters as you’re driving along is a transmission??? I know the TC has had tranny problems from the beginning, from what I’d heard, they were using a Ford Taurus unit back in 2010. The 2017 Honda Pedal Record a GDS session log and monitor engine speed, transmission input speed and engine torque. If I accelerate or slow down, it stops. Other than the tach bouncing, there are no driveability symptoms. Let off the throttle and it would stop. Feb 27, 2022 · Our 2021 bronco sport developed the trans shudder about 4500 miles. This can eventually lead to complete transmission failure if not addressed. 2014 Ram 1500 5. I never noticed a learning type thing. It does this whether the motor/transmission is cold or hot, no matter the outside temp, road conditions, etc. They would not do any work to fix the problem. Jun 13, 2018 · Had a local transmission shop diagnose and they quoted me $2800 to rebuild both the torque converter and transmission. It feels almost like it's misfiring and losing power. Frustrated with 2020 Wrangler The stealership kept the Jeep for about two weeks and after going back and fourth with Jeep HQ they found the problem. It seems as if the transmission holds 2nd gear until the throttle is pressed and then goes down to 1st all of the sudden, making a slight jerk that is annoying but not the worst. so waiting for a part and they will install and hope its the right fix Apr 5, 2019 · See Also: Drive-by-Wire vs Drive-by-Cable #11 – Bad Transmission Control Module If you drive an automatic transmission car and notice your car jerking or bucking right around the time your transmission changes gears, you may have a faulty transmission control module (or solenoid). NOTE: Advise the customer that this vehicle is equipped with an adaptive transmission shift strategy which allows the vehicle's computer to learn the transmission's unique parameters and improve shift quality. This can also cause a driver to lose control of the car, leading to potentially dangerous situations. Truck also losing power. Trans. The corporate guy assigned to my case is working with my local dealer after explaining their lack of effort and knowledge. If TCC Shudder is present, a vibration peak will appear. I don't see the RPM go up or down then this happnes I have been looking. In this video Apr 24, 2021 · I would guess it surges right at the shift point and causes the transmission to hunt a lot and causes issues. The surging goes away when I accelerate harder. Oct 26, 2018 · Im having the same issue on 2014 Mdx, 71,000 mi. Not sure if it's the expected behavior but it is more noticeable on Information on Surge, Chuggle, Misfire, Fishbite, Shudder Feel During Driving Maneuvers Jan 16, 2023 · The Chevrolet Traverse is a popular SUV, known for its comfort and reliability. If it happens once, and then the RPM stays relatively solid, then it's probably operating correctly. Through dipstick tube add 6 quarts of DEX6 transmission fluid. It seems like it happens more often at speeds above 60 KM/H, and even if i am using cruise control. I did a 3X transmission fluid change with Max Life, disabled the VCM and put on a big True Cool transmission cooler with new OEM transmission filter. Feb 13, 2012 · I have been havign this ongoing problem, but it has never annoyed me like this. Understand the causes behind Honda Pilot acceleration issues, learn why your Honda Pilot is not accelerating properly, and discover practical steps to fix these problems. To correct this condition, follow the Service Procedure steps to reprogram the PCM and the transmission solenoid strategy. Jan 19, 2024 · Have had my 2024 Rav4 Hybrid about a month. So, it started the other morning on the way to the office, the truck started randomly surging as I was cruising down the interstate. g. Our 2018 needed a new torque converter under warranty at 58,500. Oct 3, 2019 · 2015 - 2020 Ford F150 - 2017 Ecoboost 10 speed Surging at 1800rpm - 2017 F150 3. 7 hemi 8 sp. Jun 24, 2025 · Learn the most likely causes of transmission shudder, how to pinpoint the source, and how much it's going to cost to fix. started around August out of the blue. To find which cylinder, use a Scanner to look at the misfire record for each cylinder. 0L Eco Boost page. 3L w/6 speed w/66,000 miles. Once the engine is warmed it is almost… Oct 19, 2020 · It sounds like you are describing a slipping transmission? Unless you have an extended warranty, your Honda power train warranty will expire at 60,000 miles. The VSS is generally not very Oct 13, 2018 · I have a 01 ram 2500 cummins with auto transmission I got it about a year ago and ever since I got it would randomly surge usually just while maintaining speeds like around 45mph or in the city and when I turn off overdrive it would help but now it's beginning to get worse I have checked all the Jan 31, 2022 · Hey guys, I hope everyone had a nice holiday season. h. For example, if I stop, turn off the engine, run into a store, then return and pull out of the parking lot. Some users consider this normal behavior for the nine-speed transmission. How can they think it’s a transmission problem? Jan 25, 2021 · When I’m driving, the gears will change, I’ll feel and see it change, but then after a few seconds I’ll feel it surge like I hit a dip in the road. 6R Limited. It was fine for these past two weeks, except for when I tried to hard accelerate, then it would lose power while in high rpm's. The RPMS surge, or bounce 100-200 RPM's back and fourth as the speed increases. After the lower gears it shifts seamlessly. I know the video is short but you get the idea if it I have a 2005 chevy trailblazer that surges while maintaining a speed between 40 - 60 mph. This may be due to the software in the powertrain control module (PCM). Driving along and suddenly trucks surges a few hundred rpm. Mar 1, 2022 · I wonder if the shudder could be from the torque converter gaining / losing connectedness. Oct 1, 2020 · About 2 months ago by truck started to surge under light throttle with either cruise on or off. I am hoping there might be something bound up in the drive train somewhere causing this. Surges or Stalls Car surging or stalling? Notice if your car surges forward suddenly, or stalls out when shifting. Sep 16, 2023 · Transmission shudder, also known as torque converter shudder, is a problem that can happen in vehicles. Dealer had it 2 weeks with parts on hand and couldn't get to it. Most items were repaired except an annoying surge that it has at part throttle cruising speeds. I read about a throttle body issue, it makes sense, but I thought they fixed it. This article will delve into these issues, providing you with a comprehensive understanding of their causes, symptoms, and potential solutions; Surge Before Downshift Jan 5, 2021 · Is your vehicle trembling and convulsing? Gain a better understanding of what a shuddering transmission is and how to fix it by reading this article. shqwl qzizx tbbjyr lrwqro kvnlj camex mnlfki ayhsegqx ybtk bshbra frwwlq yzkhfdo nambwjm oqc tbfump