2018 chevy colorado transmission recall

Certain Chev Colorado trucks are reported to shake at speeds between 50-70 mph. In most cases, the vibration has been resolved by flushing your transmission fluid as directed to dealerships by TSB# 18-NA-355. This is known as the dreaded “Chevy Shudder” that affects Chev Colorado models 2017 and upward.

2018 chevy colorado transmission recall. Transmission: (8L45, 8L90 from to from to Automatic) Cadillac ATS 2016 2019 SOP Feb. 1, 2019 LCV, LGX, LTG, LT4, LF4 M5N, M5T, M5U CTS CT6 2016 2018 EOP LGX, LGW, LTG M5N, M5X Escalade Models 2015 2017 L86 M5U Chevrolet Camaro 2016 2019 Feb. 1, 2019 LGX, LTG, LT1 M5T, M5U Colorado 2017 2019 March 1, 2019 LGZ M5T Corvette …

A good example is the 2020 Silverado 1500 10-speed transmission problems. But to keep things simple, a 6-speed transmission from the 2018 Silverado can be great, easy to accelerate, and fast. 2018 Silverado 6 Speed Transmission Problems & Solutions. With the 2018 Silverado, there are 5 major problems you might come across …

8 speed transmission failures. **** you Chevy and stick that 8 speed transmission up your asses sideways. Mine took a **** at 105,000 miles. Estimated cost to replace it is $9500.00. It didn't completely fail but my mechanic (who I trust 100%) said the transmission pan was loaded with debris when he dropped it to do a service on it.Mar 24, 2023 · General Motors will face a class action lawsuit related to its 8L45 and 8L90 eight-speed automatic transmissions, which were installed in at least 800.000 vehicles from 2015-2019. Nov 15, 2020 · 1.There was nothing wrong with the transmission itself. GM specified a new type of transmission fluid for this tranny that they later realized attracted water. This eventually led to clutch pack wear in the converter, shuttering, and converter failure. Once they figured this out, they had Mobil 1 engineer a new fluid. Transmission filter change and flush procedure on a 2018 Chevrolet Colorado with the 8L45 transmission.Owner was very pleased to have the shutter gone after ...Subject: Information on Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac ATS 2016 2019 - - - Automatic 8L45 (M5N) 8L90 (M5X, MQE) CTS Models CT6 2016 2020 CT4 2020 2021 Escalade Models 2015 2017 Automatic 8L90 (M5U, MQE) Chevrolet ...

Oct 23, 2020 · Failure Date: 11/01/2019. Transmission shudder. Seems common after 40,000 miles on the majority of 2017-19 Colorados. Truck would vibrate like driving over a rumble strip around 55+ mph after transmission fluid would warm up above 80 degrees f. Should be a recall because I had to go through hoops to get them to even look at the transmission ... If you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). The vehicle identification number tells you if your car is affected. Learn about our recall process. Have a safety problem? Report a problem with your vehicle, tires, car seats or other equipment. We review every problem as we work to keep our roads safe. Engine: Transmission: from to from to Buick GM Passenger Cars and Trucks 2016 2018 All Equipped with 8L90 and 8L45 Automatic Transmission (RPOs M5U, M5T, M5N, M5X) Cadillac Chevrolet GMC Involved Region or Country North America, N.A. Export Regions Condition Some customers may comment on low mileage vehicles with an automatic …Jul 13, 2022 · The Lemon Law refers to a vehicle that has been repaired for the same issue four or more times or has been out of service for a cumulative total of 20 or more business days during a 12-month warranty period. When manufacturer efforts to correct a problem fail, you might have a lemon. The vehicle could have multiple defects that impact its ... In 2015, Fiat Chrysler Automobiles (FCA) issued a recall for 1.4 million Jeep Cherokees due to a defect in the vehicle’s transmission system. The recall affected vehicles manufactured between 2014 and 2015.

Engine: Transmission: from to from to Chevrolet Colorado 2016 2019 MYB, MYC, MYD Express 2014 Silverado 2018 Silverado LD Silverado 2019 2019 1500 (New Model) GMC Canyon 2016 2019 Savana 2014 Sierra 2018 Sierra Limited 2019 2019 Sierra 1500 (New Model) Involved Region or Country North America Condition Some customers may comment that the MIL is ... December 17, 2019 – GM Attempts to Sidestep Class Action Case. In late November, General Motors pressed Michigan District Court Judge David M. Lawson to dismiss a consolidated proposed class action lawsuit alleging the automaker’s 8L90 and 8L45 transmissions are defective. In its motion to dismiss, GM zeroed in on each of the …A class action lawsuit for the 8L45 and 8L90 transmission has been filed on 12/18/2018. 1. Plaintiffs and class members purchased or leased new and used vehicles. manufactured by General Motors (“GM”) between 2015 and 2018. Each of these vehicles is. 2.Jun 4, 2018 · The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC ... 2018 Chevrolet Colorado transmission problems with 63 complaints from Colorado owners. The worst complaints are shudder, vibration, transmission skipping, and shudder vibration gauges on dash...Mar 24, 2023 · General Motors will face a class action lawsuit related to its 8L45 and 8L90 eight-speed automatic transmissions, which were installed in at least 800.000 vehicles from 2015-2019.

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Nearly 175 Complaints Report Problems with Transmissions Overheating and Faulty Brake Pedals Requiring Extra Effort to Stop the Truck. At the time of writing, the National Highway Traffic Safety Administration (NHTSA) also lists nearly 175 complaints about the 2018 Silverado, which is remarkably lower than the 2017 Silverado, with 405 …If you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). The vehicle identification number tells you if your car is affected. Learn about our recall process. Have a safety problem? Report a problem with your vehicle, tires, car seats or other equipment. We review every problem as we work to keep our roads safe. Condition. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado HD, GMC Canyon, Sierra HD and 2018 model year Chevrolet Equinox, GMC Terrain vehicles, equipped ...GM will notify owners, and dealers will replace the driver's frontal air bag module, free of charge. The recall is expected to begin November 10, 2017. Owners may contact Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 17387.2018 Chevrolet Colorado transmission problems with 63 complaints from Colorado owners. The worst complaints are shudder, vibration, transmission skipping, and …The factory stereo installed in the Chevy Colorado only has an AM/FM stereo tuner and a CD player. Many aftermarket stereos, on the other hand, have auxiliary inputs, iPod control and options for setting up Bluetooth wireless. If you want t...

Certain Chev Colorado trucks are reported to shake at speeds between 50-70 mph. In most cases, the vibration has been resolved by flushing your transmission fluid as directed to dealerships by TSB# 18-NA-355. This is known as the dreaded “Chevy Shudder” that affects Chev Colorado models 2017 and upward.Summary: This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy …3. Engage Transmission Neutral. 4. Clear DTCs with Scantool. 5. Switch vehicle to power mode OFF and wait for 2 minutes to allow for the bus and ECM to sleep. 6. Start vehicle. 7. Confirm no codes or Service 4x4 message on DIC is present. 8. Shift Transfer Case through 2HI, 4HI, 4LO, N and back to 2HI, to confirm theFollow me on Instagram: https://www.instagram.com/mattys.garageAtlis Website:https://www.atlismotorvehicles.com/xt-truckLed Light partner LASFIT:Last fit We...welcome to the site Ed. In short TSB with #19-NA-355, which applies to 2017-2019 8 speeds. the new TSB is a flush & refill with the newest formulation of the Mobil 1 …If you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). The vehicle identification number tells you if your car is affected. Learn about our recall process. Have a safety problem? Report a problem with your vehicle, tires, car seats or other equipment. We review every problem as we work to keep our roads safe. August 29, 2018 — GMC Canyon and Chevrolet Colorado 6L50 transmission problems have caused a class-action lawsuit that alleges the transmissions jerk, slip, chug, shudder, experience delayed ...See below for all 2018 Chevrolet Colorado recalls. 2018 Chevrolet Colorado Recall NHTSA 18V358000; ... TSB Seems To Fix 8-Speed Automatic GM Transmission ProblemsAugust 13, 2019; The class includes purchasers of GM vehicles with one of two models with an eight-speed automatic transmission, including the Chevy Silverado, Chevrolet Colorado, Chevrolet Corvette, Chevrolet Camaro, Cadillac Escalade, and other models with the 8L transmission that were manufactured between 2015 and March 1, 2019, and who bought the vehicle ...2018 Chevy Colorado Transmission Cost. The value of a new 2018 Chevy Colorado transmission could be over $3,500 depending on the vehicle, however, transmission services such as fluid changes and a transmission fluid flush are considerably less expensive, in some cases costing less than $150. These services are meaningful to …

8 Speed transmission problems. I just purchased a brand new 2018 Canyon crew cab 4x4 SLT, with 7 miles on the odometer. At 500 miles the vehicle would not shift into drive or reverse (after sitting overnight) for about 2-3 seconds (basically the vehicle wouldn't move for a few seconds). It's now got 1,100 miles, and it seems like the …

The 2018 Chevrolet Colorado has 268 problems & defects reported by Colorado owners. The worst complaints are transmission, drivetrain, and engine problems. The cost of a new 2018 Chevy Colorado transmission could be over $3,500 depending on the car, nonetheless, transmission services such as fluid changes and a transmission fluid flush are considerably less expensive, in some cases costing less than $150. These services are important to prolonging the life of your 2018 Chevy Colorado transmission. COLORADO. Starting at $29,200 ... Floor protection from Chevrolet Accessories ... Call for recall assistance on Monday through Saturday, 8 a.m. - 9 p.m. EST. For the hearing and speech impaired, please call our Telecommunication Relay service at 711 for assistance. Buick: 1-800-521-7300.Chevy Colorado transmission shudder problem is one of the most common issue with the gearbox for these cars, so read the article to get more information. ... If your Chevy Colorado's transmission is experiencing a shudder, there are a few possible solutions. One is to have the transmission flushed and refilled with fresh fluid. This will …Transmission: (8-Speed from to from to Automatic) Cadillac ATS 2016 2019 — — LGX, LTG, LT4, LF4 M5N, M5U, M5T CT6 2016 2018 LGX, LGW, LTG M5N, M5U CTS 2016 2019 LGX, LTG, LT4, LF4 M5N, M5U Escalade Models 2015 2017 L86 M5U Chevrolet Camaro 2016 2019 LGX, LTG M5T 2016 2018 LT1 M5U Colorado (VIN S, T) 2016 2021 LGZ M5T Corvette 2015 2019 LT1 ... Engine: Transmission: from to from to Chevrolet Colorado 2019 2020 March 1, 2019 EOP M5T GMC Canyon Involved Region or Country United States, Canada, Middle East Operations (MEO) Condition Some customers may comment that their vehicle is experiencing a shake and/or shudder during light throttle acceleration between 25 and 80 …16WhiteColly · #4 · Dec 3, 2021. Gas engine 8 speed, diesel 6 speed. 2016 White Colorado LT 2WD Ext. Cab. 3.6L V6 6 Spd. Automatic with Dipstick, Pedal Commander, BakFlip G2 Tonneau, Elite CC, Tow Mirrors, Cargo Floor, DeeZee Bed Mat, (-) Airdam, Tow Hooks, Towing Starcraft AR One 18QB TT, 1955 Chevrolet Bel Air 283 V8 …Jan 30, 2020 · In a 2019 class action lawsuit, McKee v. General Motors, LLC, James McKee filed a complaint that GM “designed, manufactured, marketed, distributed, sold and warranted” models of 2015-2017 GMC Canyon and Chevrolet Colorado that were “equipped with defective 6L50 transmissions.”. The defective transmissions allegedly caused the vehicles ...

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Aug 17, 2022 · 2018 Chevy Colorado: More problems 2018 Chevy Colorado | Raymond Boyd/Getty Images. After minor improvements for the 2017 model year, the Chevy Colorado lost its way again. Moreover, the 2018 Colorado has nearly as many reported issues as the 2015-16 models. CC users noted transmission, drivetrain, engine, and other problems frequently. Common problems found on the 2018 Chevy Colorado include the transmission shuddering while changing gears, excessive shaking, as well as leaking oil cooler lines. Overall, these problems are worse than other small trucks, leading to higher repair bills as they age. The transmission shuddering while changing gears is a widespread complaint on ...Find 2018 Chevrolet Colorado recalls information, reported by the NHTSA, and we will help you find a nearby service center where you can get your car fixed.Engine: Transmission: from to from to Chevrolet Colorado 2016 2019 MYB, MYC, MYD Express 2014 Silverado 2018 Silverado LD Silverado 2019 2019 1500 (New Model) GMC Canyon 2016 2019 Savana 2014 Sierra 2018 Sierra Limited 2019 2019 Sierra 1500 (New Model) Involved Region or Country North America Condition Some customers may comment that the MIL is ...The shuddering has been pretty much been put to bed with the new trans fluid, except those that have additional torque convertor malady's. Trucks built after 3/1/19 will have the new stuff off the line. If looking at used 17+ V6/8spd trucks, ask if TSB 18-NA-355 with 2/19 revision or later has been done.Problem – A common Chevy Colorado transmission problem is an intermittent hard 1-2 shift, often accompanied by engine bogging. This condition can be caused by the torque convertor clutch applying during the shift. Solution – To remedy the problem, the wiring harness needs to be inspected from the transmission case connector to the rear of the …Comprehensive details about 2018 CHEVROLET Colorado recalls, including manufacturer and component recalls.August 29, 2018 — GMC Canyon and Chevrolet Colorado 6L50 transmission problems have caused a class-action lawsuit that alleges the transmissions jerk, slip, chug, shudder, experience delayed ...2. madcratebuilder · #2 · Jul 21, 2022. A lot depends on how many miles you drove with the shudder. If you experience the shudder move the shifter to L/M, the trans wel down shift 1 gear, 8th to 7th and the shudder should stop. The new blue label fluid seems to fix the vast majority of these 8l45's. ….

If your concerns are still unresolved after contacting your preferred Certified Service Dealer or Saab Official Service Center, please refer to the list of contact centers below. Call for recall assistance on Monday through Saturday, 8 a.m. - 9 p.m. EST. Buick: 1-800-521-7300; TTY 800-832-8425.GM Transmission Class Action Lawsuit. A class action lawsuit (Speerly v. General Motors LLC (ED MI. Case No. 2:19-cv-11044-DML-DRG)) was filed on April 10, 2019, which was consolidated with class action lawsuits filed by several other consumers on behalf of people who purchased or leased certain cars equipped with an 8L45 or 8L90 …5 10 50. Write a vehicle review. See all Colorados for sale. View all 62 consumer vehicle reviews for the Used 2018 Chevrolet Colorado on Edmunds, or submit your own review of the 2018 Colorado.transmission oil pan and perform the steps in the Service Procedure below. Service Procedure 1. From the DT-52263 Transmission Fluid Exchange Kit, remove cooler lines and install DT-52263-1 Block Assembly. 2. Put drain hose into GE-47716-2 Graduated Bucket. 3. Lower the vehicle. 4. Through dipstick tube add 6 quarts of DEX6 transmission fluid. 5. Replacing speakers in a vehicle is one of the simplest and most cost-effective ways of improving the sound in your car. The Chevrolet Colorado is a good candidate for speaker replacement--the process is straightforward and fairly simple, an...2018 Chevrolet COLORADO Transmission Fluid. Using a properly formulated transmission fluid for your Chevrolet COLORADO can protect your vehicle from costly problems down the road. AMSOIL transmission fluids offer the best protection for your Chevrolet COLORADO, even in the most severe driving conditions. Protect your …Follow me on Instagram: https://www.instagram.com/mattys.garageAtlis Website:https://www.atlismotorvehicles.com/xt-truckLed Light partner LASFIT:Last fit We...Sep 15, 2023 · Some units of the 2018 Chevy Colorado have also had their share of transmission problems like shuddering and excessive vibration at certain speeds. Flushing and replacing the transmission fluid or getting a new torque converter appeared to solve the issue in some vehicles. COLORADO Starting at $37,229 † As shown: $59,424 † SILVERADO HD Starting at $57,129 † As shown: $82,424 † SILVERADO 1500 Starting at $47,929 † As shown: $90,924 † Build & Price Search Inventory. Accessories Certified Pre-Owned UPCOMING ... 2018 chevy colorado transmission recall, Sep 21, 2023 · Today, we will talk about the four generations of the Chevy Colorado and give you an overview of what transmissions are actually used in this vehicle. First, a quick answer: The 2003 – 2012 Chevy Colorado has a 4-speed 4L60-E automatic and a 5-speed Aisin AR-5 manual. The 2012 – present Colorado has a 6-speed Eaton N8D manual, a 6-speed ... , 2018 Chevrolet Colorado transmission problems with 63 complaints from Colorado owners. The worst complaints are shudder, vibration, transmission skipping, and shudder vibration gauges on dash..., COLORADO Starting at $37,229 † As shown: $59,424 † SILVERADO HD Starting at $57,129 † As shown: $82,424 † SILVERADO 1500 Starting at $47,929 † As shown: $90,924 † Build & Price Search Inventory. Accessories Certified Pre-Owned UPCOMING ..., They’re easier to park and maneuver and cost less to feed than full-sized behemoths, like the Chevrolet Silverado, Ford F-150, and Ram 1500. But then the Chevrolet Colorado and GMC Canyon twins ..., Honda has issued a transmission recall for the Odyssey model years 2002 through 2004. The 1999 through 2001 model years had an extended warranty because of the transmission, which has expired as of March 2015., One reviewer purchased a 2018 Chevy Colorado brand new, and when the vehicle reached 2000 miles the transmission began vibrating regularly. ... 14 percent have problems; Transmission: 14 percent ... , The Best Car GPS Trackers. View recall reports to see if the 2018 Colorado was recalled for safety-related defects or non-compliance with U.S. safety standards., Official recalls have been issued for the 2021 Chevrolet Colorado by the NHTSA. The complete details of all recalls are listed below, along with what they cover and the recommended solutions ..., 2017-2019 Chevrolet Colorado; ... Had a 2018 GMC slt 6.2 eight speed, same problems, took it in four times called GM twice, they said get a lawyer, so i called Lemon Law, they got me $2750 for ..., Look on the transmission case to locate a Chevy transmission serial number. The numbers are usually located on the transmission housing’s middle to lower side, although the exact locations of the numbers vary depending on the application., Oct 16, 2022 · A good example is the 2020 Silverado 1500 10-speed transmission problems. But to keep things simple, a 6-speed transmission from the 2018 Silverado can be great, easy to accelerate, and fast. 2018 Silverado 6 Speed Transmission Problems & Solutions. With the 2018 Silverado, there are 5 major problems you might come across after using it for a ... , A transmission flush is usually twice the price of a fluid change due to the amount of hard time the service takes and the fact that the flush not only replaces the fluid in the pan but still removes unnecessary fluid from the cooler lines and other components of your vital transmission. A 2018 Chevy Colorado transmission flush still uses about ..., Failure Date: 11/01/2019. Transmission shudder. Seems common after 40,000 miles on the majority of 2017-19 Colorados. Truck would vibrate like driving over a rumble strip around 55+ mph after transmission fluid would warm up above 80 degrees f. Should be a recall because I had to go through hoops to get them to even look at the …, Tl* the contact owns a 2018 chevrolet colorado. while driving approximately 50 mph, the vehicle vibrated without warning. the vehicle was taken to bell chevrolet inc (304-652-3541, located at 600 chelsea st, sistersville, wv 26175) where it was diagnosed that the transmission needed to be flushed. the manufacturer was not made aware of the ..., Failure Date: 11/01/2019. Transmission shudder. Seems common after 40,000 miles on the majority of 2017-19 Colorados. Truck would vibrate like driving over a rumble strip around 55+ mph after transmission fluid would warm up above 80 degrees f. Should be a recall because I had to go through hoops to get them to even look at the …, 2020-12-23 Recall no. 20V811000 General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and …, Sep 21, 2023 · Today, we will talk about the four generations of the Chevy Colorado and give you an overview of what transmissions are actually used in this vehicle. First, a quick answer: The 2003 – 2012 Chevy Colorado has a 4-speed 4L60-E automatic and a 5-speed Aisin AR-5 manual. The 2012 – present Colorado has a 6-speed Eaton N8D manual, a 6-speed ... , 1481 Technical Service Bulletins (TSBs) have been issued for the 2018 Chevrolet Colorado. CarComplaints.com: ... September 30: GM 6L90 Transmission Problems Investigated investigations | 12 days ago;, Mar 25, 2021 · Recall no. 20V811000. General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV ... , Select K20/K71 Engine and Transmission Control Modules on the Controller screen in SPS to ... Reason For This Recall: Your 2016 model year Chevrolet Colorado, GMC Canyon; ... GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado HD, GMC Canyon, Sierra HD or 2018 model year Chevrolet Equinox, GMC Terrain vehicle, …, The new Chevy Colorado LT gets the “base” 2.7L I-4 L2R Turbo tune as standard, rated at 237 horsepower and 259 pound-feet of torque (max trailering rating of 3,500 pounds). The remaining two ..., 2018 Chevy Colorado Transmission Cost. The value of a new 2018 Chevy Colorado transmission could be over $3,500 depending on the vehicle, however, transmission services such as fluid changes and a transmission fluid flush are considerably less expensive, in some cases costing less than $150. These services are meaningful to …, COLORADO. Starting at $29,200 ... Floor protection from Chevrolet Accessories ... Call for recall assistance on Monday through Saturday, 8 a.m. - 9 p.m. EST. For the hearing and speech impaired, please call our Telecommunication Relay service at 711 for assistance. Buick: 1-800-521-7300., 1 thg 7, 2011 ... The 2011 Chevrolet Colorado and GMC Canyon are being recalled because their transmission shift indicators may be faulty. The 2011 Cadillac ..., If you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN). The vehicle identification number tells you if your car is affected. Learn about our recall process. Have a safety problem? Report a problem with your vehicle, tires, car seats or other equipment. We review every problem as we work to keep our roads safe. , Jul 13, 2022 · The Lemon Law refers to a vehicle that has been repaired for the same issue four or more times or has been out of service for a cumulative total of 20 or more business days during a 12-month warranty period. When manufacturer efforts to correct a problem fail, you might have a lemon. The vehicle could have multiple defects that impact its ... , The 2018 Chevrolet Colorado has 57 problems reported for shudder, vibration. Average repair cost is $610 at 15,800 miles. (Page 1 of 3), If a recall has been issued for your GM Vehicle, including Chevrolet, Buick, GMC, Cadillac, Pontiac, Oldsmobile, Saturn, HUMMER or SAAB, find it here. You may also search by Vehicle Identification Number (VIN) for recalls on vehicles not currently in your virtual garage., Look on the transmission case to locate a Chevy transmission serial number. The numbers are usually located on the transmission housing’s middle to lower side, although the exact locations of the numbers vary depending on the application., Jan 6, 2021 · Chevy Colorado Sales Make Strongest Gain Ever Against Toyota Tacoma During Q3 2023October 9, 2023 TSB Seems To Fix 8-Speed Automatic GM Transmission Problems August 13, 2019 , Jun 20, 2019 · Chevy Colorado, GMC Canyon Owners Experience New Bout Of Dead BatteriesSeptember 15, 2023 EV Road Trip Proved Challenging For U.S. Secretary Of Energy Jennifer Granholm September 12, 2023 , The 2021 Chevrolet Colorado has 23 problems & defects reported by Colorado owners. The worst complaints are transmission problems. ... recalls & lawsuits for the 2021 Chevrolet Colorado ..., Mar 21, 2023 · GM, which represents the owners of various GM vehicles who have one of two models of eight-speed automatic transmissions — the GM 8L90 or 8L45 — made between 2015 and March 1, 2019. The ...