2021 gmc terrain transmission problems. GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". The driver Dec 10, 2024 · GM is covering the repair costs of transmission control valve problems for over a half-million full-size trucks and SUVs for 15 years or 150,000 miles. 2019 GMC TERRAIN Recall - POWER TRAIN:AUTOMATIC TRANSMISSION Problem: General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Equinox and GMC Terrain vehicles equipped with certain Hankook tires. How reliable is the 2021 Gmc Terrain? Explore all the popular car problems, read 17 complaints and 2 recalls, and read 47 reviews from real 2021 Gmc Terrain owners. The recall is expected to begin December 14, 2020. Come join the discussion about modifications, classifieds, troubleshooting, maintenance, reviews, and more! How reliable is the 2021 GMC Terrain? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. There are 691 complaints on file for the GMC Terrain. Dec 9, 2023 · The GMC Terrain is a small crossover that was first introduced in 2010. Nov 15, 2020 · Has the transmission shudder been fixed in the 2020/2021's? I know there's a class action suit for this issue. 2021 GMC Terrain is it safe? Read all complaints, recalls and other safety issues for 2021 GMC Terrain Dec 22, 2022 · Hey everyone. Nov 13, 2024 · The recall in the U. Nov 14, 2023 · Uncover 2021 GMC Sierra transmission problems, understand potential causes and explore solutions to keep your vehicle running smoothly. Mar 23, 2023 · A forum community dedicated to GMC Terrain, Chevy Equinox, and Cadillac SRX owners and enthusiasts. It’s down shifted really hard when coming off the freeway to a stop. I put it in neutral and it somewhat smoothed out. I would appreciate any insight. Jan 17, 2025 · The GMC Terrain is a popular SUV known for its reliability and comfort. Also included are the 2021 Cadillac Escalade, GMC Yukon Jan 15, 2019 · Hello, Was wondering did anyone here notice this on their Chevy Equinox 2018 diesel automatic transm, 1st winter and i noticed when the vehicle is cold and it's below 0 celcius outside, the transmission has trouble changing to the next gear and it revs up to 3000 rpm's before it changes gear Diagnosis Instructions: Use one of the following tests methods to assist in proper diagnosis of TCC shudder. The start/stop accumulator Mar 24, 2024 · Hello everyone, I have a 2022 Sierra AT4 that in the last few weeks has given me a message of Warning! Reduced acceleration. Curious how the 2021 Terrain compares to other years? Check out our GMC Terrain overview to see the most problematic years, worst problems and most recently reported complaints with the Mar 4, 2024 · The GMC Terrain is mostly equipped with automatic transmission, and that’s sadly one of the reasons why certain model years should be avoided. I would imagine it is similar to any "sealed" GM transmission. It failed the 1st battery test but after they A misfire on cold start up only and/or a rough idle with medium to high misfire counts, always occurring on one or two cylinders, with the condition going away after the engine warms up can be suspect for coolant entry at the liner to deck face casting. No upgrades to tires or lift I bought it with 7000 miles on it. Average failure mileage is 23,900 miles. With the vehicle off and the transmission fluid temperature at approximately 20–25°C (68–77°F), there must be at least enough fluid to drain out of the fluid level hole. Since then I notice a minor and intermittent "shudder" when coming to harder stops (an example would be approaching an intersection with yellow light). The brakes/rotors were toast when I bought it. Battery died 6/12/2020 auto stop was on Service brake assist 7/3/2020 auto stop was on Service theft deterrent system 7/4/2020 car was off. Stayed that way the entire day. At 41,000 miles (just last week), the car started shooting up in RPMs, getting stuck in certain gears, and shifting SUPER 3 days ago · Discover the latest GMC models, including trucks, SUVs, crossovers, vans, and EVs. This time it only disabled the skid control. Excessive oil consumption has been a widespread concern, leading to carbon buildup and potential engine damage if not addressed promptly. It’s known for its reliability. Learn what to watch for and when it might be time to sell with CarBrain. Jan 14, 2024 · Good Afternoon, I am hoping to get some advice from tech’s or if any other 2021 & up Hoe/Yuke owners have seen this dash message: “Service transmission Now, unable to shift soon” Some Background- Tahoe has 63,000 miles The temperature just dropped to the teens Impeccable maintenance history Jun 22, 2020 · One of the most common automatic transmission problems is shifting hard. Common problems: Electronic system issues, transmission problems, and brake problems were reported most frequently by 2021 GMC Terrain owners. Feb 16, 2023 · 2017 Terrain SLT2 v-6 FWD Transmission jerks when slowing down and shifting into 1st gear. Is your car a lemon? Lemberg Law can help you! Feb 27, 2025 · Explore GMC Terrain transmission problems, common causes, solutions, and important recall information for informed ownership. The contact stated upon starting the vehicle and attempting to shift the vehicle to drive, the vehicle inadvertently reversed. Those are the most used gears A detailed guide to 2020 GMC Terrain problems, covering transmission, brakes, infotainment issues, and lemon law solutions for affected owners. Jan 30, 2025 · The 2021 GMC Terrain aspires to be more upmarket than most mainstream compact-crossover SUVs, especially in the lavish Denali trim. It do Jan 3, 2020 · 9 speed transmission I bought a 2018/2019 Nox 2. Get fluid or flush coupons from the best GMC service center in Jacksonville. But like any vehicle, issues can arise. I took it to the dealership several times during the warranty period and explained the transmission hesitation during low speed shifts from 1st to Dec 18, 2023 · 1. Jan 22, 2025 · Thought I would post about my experience in hopes it helps someone with the same issues. The dealer said it was just a dead battery. And if you have problems that's what the warranty is for. If a Looking for an ideal 2021 GMC Terrain? Start here to discover how much people are paying, what's for sale, trims, specs, and a lot more! Mar 11, 2025 · The GMC Terrain is a popular SUV. Read the complete details: what they cover and the recommended solutions. Another alarming issue is the occurrence of stalling or complete shutdown while the vehicle is in motion Apr 4, 2023 · View the 2021 GMC Terrain reliability ratings and recall information at U. Feb 10, 2025 · Explore key facts, statistics, and recall information on 2022 GMC Terrain transmission problems to stay informed and safe. It’s reported that the 2010 and 2011 model years in particular have problems with transmission failure. 2021 Sierra 5. In February 2020, General motors disclosed a face-lifted version of the 2021 GMC terrain. Feb 13, 2025 · Discover key facts, statistics, and recall information about 2023 GMC Terrain transmission problems to stay informed. The contact stated that the gear shift selector was stuck in park (P) position while the instrument panel was Nov 10, 2024 · GMC trucks, vans, and SUVs manufactured by General Motors (GM) include Yukon, Terrain, Acadia, Canyon, Sierra, and Savana models. Is most noticeable in stop and go Dec 23, 2021 · A: The most prominent issues reported in the GMC Terrain years to avoid include engine troubles, transmission failure, excessive oil consumption, faulty airbags, and faulty HVAC systems. Jan 5, 2025 · In our informative article, we’ll discuss some of the most common GMC transmission problems, address transmission failures head-on, and provide a step-by-step approach to diagnosing the symptoms, repairing, and preventing future transmission problems. Thought it’s only on the acadias but now terrains? It’s also sad that even on the GM recall website and the app says there’s none Nov 2, 2018 · Anyone else having issues with a 2018 GMC Terrain transmission?? - Vehicle slips and D illuminates going from 1st to 2nd gear? The 2021 GMC Terrain offers two robust powertrain options that strike a perfect balance between performance and efficiency. New plugs & wires, new VVT sensors, new tires. This is based on auto industry reviews, NHTSA statistics, reported problems, and consumer feedback. The contact depressed the brake pedal. Aug 18, 2024 · Here is the place to discuss any problems or issues with the GMC Sierra 1500 AT4 Feb 11, 2025 · The GM 10-speed transmission recall involves a serious rear-axle lockup issue. Some of the most common 2020 GMC Terrain problems include brake issues, electrical issues, transmission problems and engine problems. Owners have made 446 complaints complaints over 12 model years, mostly about engine issues. The standard 1. You'd think that after the lawsuits from 2018 a thing like this wouldn't be a problem, but this apparently is still a very weak point in the design of these vehicles. Check these troubleshooting and repair guides for more help on your GM. my wife is absolutely fuming you need to measure what comes out and put the same amount back in. Nov 27, 2024 · The GMC Terrain is a popular SUV known for its smooth ride and comfortable interior. This will ensure that there is enough fluid in the sump to Oct 2, 2023 · Dive deep into the most common problems associated with the GMC Terrain, from excessive oil consumption to infotainment glitches. Nov 11, 2019 · If your GMC Terrain has a faulty throttle body, it can cause it to run terribly. However, even the most reliable vehicles can experience issues, and one common problem that Terrain owners face is jerking or shuddering. The new Terrain is a great vehicle, you'll be fine. I will mention all Apr 9, 2021 · If you have a brand new 2021 Chevrolet Silverado, Tahoe, or Suburban – GMC Sierra or Yukon, or Cadillac Escalade, and have a transmission that shifts hard, shudders, surges, or stalls- there might be an incredibly easy fix for your problems. If you have shifting issues, your mechanic might need to do a “learn” procedure. Transmission Problems The second-generation GMC Canyon had lots of complaints regarding a noticeable shudder from the 8-speed transmission. Sometimes, unexpected problems can disrupt that. Understanding common problems and solutions can save time and money. Here are GMC Terrain transmission problems, by model year. However, like any vehicle, it can experience issues, and one of the most common and frustrating is a jerking or shuddering sensation, particularly when accelerating or decelerating. They've quoted a cost of around $600 for this service. It is now developing on the Delta platform. Aug 1, 2023 · I have noticed some funky shifting, I have a 2022 gmc at4 2500hd with 27,000 miles on it. It has had problems recently acting like the transmission was slipping when starting out. Nov 15, 2023 · Reported issues for the 2021 GMC Terrain include electrical system & transmission problems. Step Two - Fluid Level and Condition Check Note: Ensure the transmission has enough fluid in it to safely start the vehicle without damaging the transmission. I was wondering what problems a new gmc terrain would have at a certain point my mom's terrain is a 2021 FWD 1. Oct 17, 2024 · We hope you find the GM 9-Speed Automatic Transmission Fluid Level Check guide helpful. If a The 2021 GMC Terrain is a good small SUV, but good isn't good enough in the cutthroat compact-SUV segment, where it falls short of our favorite crossovers. This procedure is available on all 2015-2021 MY Trucks, Cars and SUVs with 8L45 and 8L90 Automatic Transmissions (RPOs: M5U, M5T, M5N, M5X, MQE). To inspect for the location of the possible cause of the condition, add coolant dye to the engine cooling system. Two recalls have been issued for this vehicle, one for faulty child seat anchors and one for tire tread separation. As the revs are slightly higher shifting Jun 15, 2024 · GM released a service update to fix internal transmission components in certain 2024 GMC Acadia and 2024 GMC Terrain crossovers. Luckily certified warranty covered replacing left bank lifters. I drove it 25 miles before it died. Nov 5, 2024 · Currently leasing a 2024 GMC Terrain SLE. Also please check out the statistics and reliability analysis of GMC Terrain based on all problems reported for the Terrain. From minor annoyances to more serious issues, troubleshooting can help. Come join the discussion about performance, modifications, classifieds, upgrades, troubleshooting, maintenance, and more! View all 55 consumer vehicle reviews for the Used 2021 GMC Terrain on Edmunds, or submit your own review of the 2021 Terrain. Aug 23, 2023 · If you own a GMC Terrain, you might have come across a situation where the vehicle won't move in drive or reverse. I have owned 18 months. Anyone who has one how do you like it? 2021 GMC Terrain transmission replacement & transmission repair near me. The next morning everything was fine again. 2 recalls have been issued for the 2021 GMC Terrain by the NHTSA. Transmission shifting was no longer smooth and seamless as when new, but herky jerky, bucking and lurching. Also, see repair breakdown by problem area and cost. Aug 5, 2021 · Find 2021 GMC Terrain recalls information, reported by the NHTSA, and we will help you find a nearby service center where you can get your car fixed. Sep 3, 2023 · Recently had my local Chevy dealer drain and refill (no flush) my trans fluid two times. The most recently reported issues are listed below. Almost like it skipped a Aug 9, 2024 · Had a similar problem with my granddaughters 2010 Terrain and my mils 2015 Cruze. Driving your GMC Terrain should be a smooth experience. It was towed in June because it died while I was stopped before a construction zone. Before I proceed, I wanted to Anyone with a GMC Terrain 2020 or 2021 what are your thoughts? My mom is looking for a new car and we kinda like that after test driving it today. Jun 30, 2020 · Hope so [emoji1695] 2014 Terrain SLE-2 /Silver Sky Metallic / 3. Feb 28, 2024 · The GMC Terrain is an SUV manufactured by General Motors, and has been on the market since 2010. Get ratings and reviews from validated Used 2021 GMC Terrain owners. In this comprehensive blog post, we will delve into this topic, examining the evidence and providing insights to help you make an informed decision. May 18, 2023 · Here’s The Short Answer To What The Best And Worst Years For The GMC Terrain Are: The best GMC Terrain model years are 2023, 2022, 2021, 2020, 2019, and 2017. Capacity is 5 passengers including driver. Jul 6, 2021 · 2013 Equinox AWD, 170K, No major work aside from rear main replaced at 130K. Access recall information and stay informed about your vehicle's safety. May 23, 2024 · GM has issued two related customer satisfaction programs with a fix for 2024 GMC Acadia and 2024 GMC Terrain units affected by a transmission fluid leak. There were no warning lights illuminated. Smooth as silk while not moving. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Get expert solutions from a seasoned mechanic and ensure a smooth driving experience. The worst complaints are AC / heater, electrical problems. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. I currently Drive a 2020 Nox 2. Feb 20, 2020 · I'm having issues with my 2020 terrain. Some Terrain owners have reported that their vehicles simply died after wrestling with jerking and hard-shifting for a while. The 2021 GMC Terrain has 26 problems & defects reported by Terrain owners. The Terrain ranks 14th in reliability out of 15 GMC models. Powertrain, Transmission Issues: “The contact owns 2021 GMC Terrain. Drive with care. At 90K the left bank lifters collapsed, bent push rods. Get reliability information for the 2022 GMC Terrain from Consumer Reports, which combines extensive survey data and expert technical knowledge. Display Warning Messages: 2021 GMC Terrain Guide Table of Contents Display Warning Messages: 2021 GMC Terrain Guide The 2021 GMC Terrain has a number of warning messages that are meant to let drivers know about different situations and possible problems with the vehicle. We have previously talked about how long the GMC Terrain lasts and now we’ll turn to the problems with these models. :wink: In this video I am talking about most common mechanical problems and defects on second generation GMC Terrain SUV from my own experience. Read now! 3 days ago · How reliable is the 2021 GMC Sierra 1500 Crew Cab? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. 5 days ago · How reliable is the 2020 GMC Terrain? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. The average price of a 2021 GMC Terrain transmission repair and replacement can vary depending on location. Average failure mileage is 29,900 miles. 6 L V6 / AWD / Pioneer Stereo / 85,600 miles as of March 2021 Feb 23, 2025 · Explore GMC 8 speed transmission problems, including causes, statistics, recall campaigns, and consumer feedback insights. I thought good, now it's something the dealer can find. News & World Report. Transmission fluid plays a crucial role in the operation of the transmission, allowing gears to shift smoothly and providing proper lubrication to prevent wear. Transmission failed at 5200 mi. A professional mechanic Aug 9, 2021 · On July 1, 2020 General Motors Corporation announced a “pilot program” to address 9-speed transmission defects across multiple models and years including: 2020-2021 GMC Acadia 2020-2021 Cadillac XT5 2020-2021 Cadillac XT6 2018-2021 Buick Enclave 2019-2021 Chevy Blazer 2018-2021 Chevy Traverse The transmission at issue, known as the “9T65”, has experienced massive problems. You're always going to find extreme opinions on the internet one way or another. Terrain II (facelift 2022) generation is a 5 doors suv produced by GMC from 2021 to 2024 with petrol engines. Mar 23, 2022 · Bought a new 2021 Acadia AT4 (V6) a year ago and around 1000 miles it started to have rough shifting in the lower gears mostly between 5 and 24 mph. The tires may have been manufactured with an insufficient amount of curative agent, which could cause tread separation. If a Apr 11, 2020 · The problem was an update to the transmission module and the EBCUM then the problem should be fine Did it again last week when I fired it up in the garage to leave. Feb 6, 2025 · Discover key facts about 2021 GMC Terrain transmission problems, including statistics, recalls, and owner feedback. 5 liter turbocharged 4 cylinder 9 speed Feb 23, 2025 · Explore the common transmission problems in the 2021 GMC Sierra 1500, including causes, symptoms, and recall information. But there's a potential fix and steps to take. The transmission shutters/shakes really bad when going from 45 to 60. It can be both frustrating and worrisome when this occurs, but don't panic. But why?… Continue reading article "The Sierra Has Terrible Headlights" 2011 Terrain Excessive Oil Consumption General Motors' Technical Service Bulletin (TSB 15285C) could be of great interest to 2011 Terrain owners who've been Aug 13, 2019 · The 8-speed GM transmission has often been criticized for exhibiting shuddering and harsh shifts, but a new fluid flush may fix the issue outright. Oct 28, 2019 · Are you worried about your GMC Terrain's transmission slipping? Transmission slipping can be a serious problem, potentially leaving your Terrain inoperable if not addressed promptly. The worst model years for transmission problems Feb 6, 2025 · Discover key facts about 2021 GMC transmission problems, including statistics, recalls, and consumer feedback. Repaired under warranty, but very slow service (approximately 3 weeks) and a lot of back log in the repair yard for GMC Terrains. Vibration started under acceleration 2 months ago. 0T with the 9 speed transmission. If you’re experiencing “why is my GMC Terrain jerking”, this blog post will delve into the common causes, how to diagnose the problem, and what you can do to fix it. About 8 months later the truck developed what felt like a Oct 2, 2016 · A forum community dedicated to GMC Terrain owners and enthusiasts. How reliable is the Gmc Terrain? Explore all the popular car problems, read 15 complaints and 5 recalls, and read 555 reviews from real Gmc Terrain owners. Stay informed! Feb 26, 2025 · Explore key facts about GMC Terrain transmission problems, including common issues, statistics, and important recall information. 5L turbocharged inline-4 engine delivers 170 horsepower, providing a smooth and responsive driving experience. Some owners said that they needed to replace their entire transmission to solve the issue, but this is an The 2020 GMC Terrain has 160 problems & defects reported by Terrain owners. The worst model years of the Terrain are 2011, 2012, 2013, 2010, 2014, and 2015. Model Trims Terrain 1. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. Feb 11, 2025 · I currently own a 2022 GMC Terrain AT4, originally I had the car as a lease and then decided at the end of the lease to purchase the vehicle because I loved it so much. The worst complaints are transmission problems. prior to the transmission had Zero problems. Dec 3, 2020 · General Motors has initiated a pilot program to repair or replace the automatic 9T65 9-speed transmission that is found in a variety of its crossover models. learn more! The 2021 GMC Terrain has 1 problems reported for grating shift sound and car shaking. Here, we document some GMC transmission issues, common causes, and tips on troubleshooting GMC transmission problems yourself. covers certain Chevrolet Silverado and GMC Sierra 1500, 2500 and 3500 pickups from the 2020 through 2022 model years. The most common Terrain transmission problems cost $3,700 to fix & occur at 84,000 miles. Explore maintenance schedules, diagnostic tools, and tips from the experts for optimal performance. This guide aims to assist you in Mar 22, 2023 · Learn about the problems and complaints of 2021 GMC Terrain and make an informed decision to buy the 2021 GMC Terrain. Go to Firestone Complete Auto Care for 2021 Terrain transmission service and repairs. Oct 24, 2023 · I changed the transmission fluid like I said. With the new GM transmissions not having a dipstick to check the fluid, I thought I would post the GM service bulletins for checking, filling and capacities for the new body 2500HD's. Owners reported the following symptoms: View the 2021 GMC Terrain recall information and find service centers in your area to perform the recall repair. Jan 14, 2023 · GM has released a new service update for the 2022 GMC Sierra 1500 in regard to poor shifting quality from the truck's automatic transmission. After Apr 1, 2025 · Affected Model Years: 2012 Transmission Problems According to some reports, the transmission on certain 2011 Terrain units can prematurely fail. Mar 27, 2024 · I'm happy to finally have identified a fix, and an easy fix at that, for a problem I have had SINCE NEW on my 2017 Acadia All Terrain (now at 115K). See real-world GMC Terrain transmission problems and repair histories as reported by other GMC Terrain owners. It’s mechanically the same underneath as the Chevy Equinox and offers lots of space, a nice interior, and a comfortable ride. This widespread transmission shudder was common in the 2017 to 2019 model years of the GMC Canyon. Nov 13, 2024 · According to Reuters, GM is set to recall 461,939 models over significant transmission problems. Jul 19, 2023 · Common Causes of Gear Shifting Problems Transmission Fluid Issues One common cause of gear shifting problems in a GMC Terrain is issues with the transmission fluid. When it arrived, it was considered a similar option to many smaller SUVs, but still considered an average SUV by most consumer reviews, both formal and anecdotal. 0T with the 9 speed transmission,I haven't experienced any roughness in the shifting at all. This article will tackle some of the most common problems and issues with GMC vehicles. So, specifically, what transmission problems caused the car recall? May 6, 2020 · Was kinda wondering is there shift to park recall? Had brought my 19 Denali to the dealer for transmission shift problem and was told there’s shift to park recall. After 60 it goes away. This “jerking” can be a sign of a variety of underlying problems, and understanding the potential causes is crucial for getting your A transmission fluid leak in the presence of an ignition source may increase the risk of fire. Now 🤦♂️ check engine light on and its transmission related😒 guess I really F'd up after talkin all that smak. Scotty, I have a 2021 gmc terrain with 6000 miles. Drove approx 120 miles between flushes. The 2021 GMC Terrain has 6 NHTSA complaints for the electrical system at 0 miles average. It's crucial to understand what's causing this issue and how to diagnose and fix it before it escalates into lasting damage. This may be accompanied by symptoms like transmission lag, stalling, and hard-shifting. Oct 31, 2024 · One of the most common concerns among owners is whether the GMC Terrain has transmission problems. Aug 15, 2025 · GMC Terrain owners have reported 272 problems related to electrical system (under the electrical system category). It wouldn't shift and kept revving up and slowing down. Oct 31, 2024 · If your 2023, 2024 or 2025 GMC Terrain has reduced engine power and one of several DTCs, a new GM bulletin describes a possible cause and available solution. The vibration was present from starting Nov 3, 2023 · Hello everyone, I've recently encountered a shudder problem with my vehicle, and I've been advised by the dealership to replace the transmission fluid as they believe it could resolve about 90% of the issue. GMC Sierra 1500 Transmission Problems The engine and transmission setups should guarantee you a comfortable drive. Our six-point rating system, now with images, provides an at-a-glance summary or a deep dive for whatever meets your needs Aug 16, 2024 · Engine Problems One of the most significant issues reported with the GMC Terrain is related to engine problems, particularly in the 4-cylinder models. Get reliability information for the 2023 GMC Terrain from Consumer Reports, which combines extensive survey data and expert technical knowledge. I'm considering getting a Colorado but this issue is making me very hesitant. Having issues with your GMC Terrain’s transmission? You’re not alone. GMC Terrain Recall Transmission GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. Evaluate vehicle on a smooth road with transmission sump temperature between 122°F (50°C) - 158°F (70°C), engine speed between 1100 - 1500 rpm, and engine torque between 150 - 250 Nm. GMC Problems Mentioning TSBs The Sierra Has Terrible Headlights For such a big, rugged truck, the GMC Sierra has some of the worst headlights on the road. Get reliability information for the 2021 GMC Terrain from Consumer Reports, which combines extensive survey data and expert technical knowledge. In both cases, the problem was the accelerator pedal assembly. These messages are very important warnings. . The compact GMC Terrain was one of the first true American luxury crossovers, and came equipped with the 6-speed 6T40 transmission and the 6T70 transmission. Specifically, the recall impacts the 2020-2022 Chevrolet Silverado, 2020-2022 GMC Sierra, 2021 Cadillac Escalade, 2021 Chevrolet Tahoe, and 2021 GMC Yukon. Recalls list for 2021 GMC Terrain. At that point the truck seems to rev slightly higher than normal and does not shift past a certain gear. S. Still, over the years, especially with later models from 2014 to 2021, most owners, especially those with automatic transmissions, have complained about GMC Sierra’s transmission. Here are some common problems that might pop up and how you can handle them like a pro when you talk to your mechanic. If your vehicle’s transmission is shifting hard, it can cause a harsh ride and lead to potential damage over time. 3 8sp. In this article, we’ll take a […] Apr 1, 2025 · Explore common GMC Terrain problems, from transmission issues to oil consumption. Apr 1, 2023 · The GMC Terrain, as manufactured by General Motors in America under its Sub-brand GMC, is a crossover SUV. If your GMC Terrain has a hard shifting transmission, it can be uncomfortable to drive and a sign of serious problems. In some cases, this issue may be related to the transmission or the shift lock control ECU/solenoid. Mar 24, 2025 · The 2011 GMC Terrain’s transmission problems can get so severe that it may basically fail at around 88,000 miles. Low or contaminated fluid can lead to poor shifting performance Gain insights into GMC engine and transmission service. 5 (170 Hp) AWD Start/Stop Automatic Terrain Keep your GMC running smoothly. Dec 13, 2024 · Alright all I got my 2021 GMC Terrain SLT with about 25k miles on 12/2 and all was good until 12/10 at first I thought nothing of it but not it’s happened a few times badly but seems consistent Oct 29, 2024 · For certain 2021 Chevrolet Silverado and GMC Sierra trucks, there’s a bulletin about broken reaction carriers in 8-speed transmissions. Compare GMC Terrain complaints, problems, & worst model years. Apr 23, 2023 · The 2021 has the newer Torque Convertor plus started with the new fluid But, always still a chance to get the shudder with ANY Automatic Transmission Also still ant Automatic Transmission can develope the 1-2,2-1 Hard Shift. Trans service at 140K. But they aren’t without their problems though, so let’s look at some of the most common GMC Terrain transmission problems, look at cost estimates and figure out what you can do about them. Transmission Service Fast Learn Transmission Service Fast Learn is the recommended method to reset and relearn adapts. Get a free detailed estimate for a transmission repair and replacement in your area from Aug 15, 2019 · 2018 Terrain SLE- Transmission Problem Jump to Latest 21K views 4 replies 3 participants last post by bigb12359 Aug 15, 2019 P The 2021 GMC Terrain has 1 problems reported for not shifting out of 1st gear & jerky shift in low gear. Nov 13, 2024 · GM is recalling almost 500,000 vehicles over severely faulty transmissions Specifically, the recall impacts the 2020-2022 Chevrolet Silverado, 2020-2022 GMC Sierra, 2021 Cadillac Escalade, 2021 Chevrolet Tahoe, and 2021 GMC Yukon. ozmho dddnl tzmjvdg exffh gtunks hxxla jmjrhyn kbve owvnzg tfqyk