Power Train Problems of Toyota Corolla - part 2

Engine coolant bypass valve failed at 42400 miles. The problem was identified and confirmed at a dealership. There was a warning message appearing on the dashboard stating that engine maintenance was required.

See all problems of the 2020 Toyota Corolla 🔎.

Transmission slips from 20-40 mph randomly.

See all problems of the 2024 Toyota Corolla 🔎.

Transmission failed at 106000 miles.

See all problems of the 2019 Toyota Corolla 🔎.

Transmission is in sport mode stopped at red light loud snapping sound and car lunged forward. Revs up with the transmission slipping with out forward movement acceleration after switching to drive mode it runs normally. Drove home didn't want to push my luck out on the road 38,683 miles on the vehicle.

We own a 2016 Toyota Corolla sport model. 4 door sedan. We first started to notice a loud sound that was seemingly coming from the front of the car. It was a whining, rattling sound. The car's mileage is 87k. We took it into the shop, we were first told that it sounded like a bearing going out in the wheel. Then we took it to a licensed Toyota dealership. The dealership then tells us that it is actually due to the transmission chain, and our transmission will need to be replaced for $8900!! so I begin to dig online, and find that our model is the same years of other Toyota models that Toyota has a known problem with. This is a major issue, and puts our safety at risk if the transmission just suddenly goes out. The Toyota dealership has confirmed that we have an issue, and are saying that the transmission must be replaced, effectively decommissioning our work commuter vehicle until we can get this sorted. It was diagnosed by a licensed Toyota technician, but it can be inspected by a insurance rep/mechanic upon request. There were no warnings, no lamps, no codes. We just heard the noise, which is seemingly getting worse and louder. Which appeared about 7/15/24. The car has had it's routine maintenance done per the manufacturers specifications. The fluids are routinely checked, and it is taken in to a Toyota dealership for it's servicing, with certified maintenance records. It was never noted on oil changes that this was an issue, or that the transmission fluid was ever an issue. We do not drive this car hard, we do not abuse it. It is our commuter. And now we are looking at having to replace the transmission for essentially the same cost as the car itself.

See all problems of the 2016 Toyota Corolla 🔎.

Premature failure of clutch components: throwout bearing, clutch slave cylinder (which doubles as master brake cylinder). This type of failure, particularly when vehicle is in motion, will prevent the ability to change gears, as well as potential for brake failure if loss of fluid is great enough. This is a clear and obvious road hazard and the failure occurs within or just outside of factory warranty period and Toyota corp has been unwilling to pay for repairs on this particular failure. This system will fail without warning and there's no indication as to when this part will fail.

Engine maintenance light came on after turning on air conditioner. Vehicle information: warning light came on at 56,800 miles on 2020 Toyota Corolla, no after market modifications to vehicle. I took vehicle to Toyota dealership for diagnostic testing. Conclusion: coolant bypass valve faulty causing leaks (this can cause overheating, stalling, increased emissions, and total engine failure and also allows coolant to leak into and damage surrounding engine components, including a vehicle's electrical system, the complaint relays). Fortunately, I purchased an extended warranty when I bought the vehicle new, which covered the repairs. The faulty coolant bypass valve was replaced at the Toyota dealership. Had I not purchased the extended warranty, I would of been out of pocket for said repairs.

My car had 55,930 miles on it. That day I was at home bout to go out & my car wouldn’t start. The dashboard display said “ignition on” but the engine wouldn’t start. • the dashboard display also said other things like— check engine, or drive start control malfunction/ brake override malfunction/ braking power low/ engine maintenance required. • the dashboard display persisted. • my car has been at a local repair shop since 8-6-24 & is still there. • my complaint is re the 2020 Toyota Corolla water valve coolant bypass valve. • the repair shop told me my car had a cracked water valve. I was also told that a harness connector in my car is burnt or singed & my transmission isnt working. • I asked the repair shop if the cracked leaking water valve in my car could have caused my car problems & I was told, no it could not have caused the car problems. • however contrary to that & per news I read— it was found that Toyota’s coolant bypass valve water valve, in 2020 Corollas, is defective, & that it can crack & leak & cause operational car malfunctions & damage to the car or to its coolant system or to other components including to electrical system or to water valve sensor or ecm or cause car failure or engine damage as well. • I am just a layperson but at times my car hood would feel hot, & smelled “hot”, but I thought it was just because I had been out driving around & everyday its usually always sunny & hot in my city. • I was also told by the repair shop that a technician has been running test after test on my car to find the problem & its been very difficult & that there’s been around 20 different diagnostic trouble codes that have accumulated over the course of testings on my car. But they don’t know what is wrong yet. A different mechanic said my car had electrical system related communication issues. I believe the defective Toyota water valve caused my car’s problems also rendering my car unsafe & inoperable. I don’t have room to write everything here.

At 55k miles for my 2020 Toyota Corolla, the engine maintenance required notification popped up on my screen and is not removable. Upon further verification numerous 2020-2021 Corollas have been having this issue at similar amounts of mileage. It is a faulty engine coolant bypass valve that needs to be replaced. If I were to take it in to a dealership, they would charge $500+ just as they have for many others when it should really be a recall. As of now I have not taken it to be inspected due to fear of steep labor costs. My safety is at risk because if this does not get replaced my engine will overheat causing total failure of the car, and as a 2020 model with such low mileage, this is ridiculous.

The contact owns a 2020 Toyota Corolla. The contact stated while driving 30 mph, the vehicle was jerking abnormally. The contact noticed a failure with the transmission; however, there were no warning lights illuminated. The contact was concerned that the vehicle might stall while driving. The dealer was not contacted. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was instructed to contact the nhsta hotline for assistance. The failure mileage was approximately 131,000.

The bypass coolant valve has failed. Car displays message stating engine maintenance required but no other warning signs. Diagnostic test proved that it’s the bypass coolant valves. Upon further research this seems to be a frequent problem on the 2019 to 2022 Toyotas.

Engine coolant valve is broken. Part of power train as it cools circuits for the power train.

The clutch slave cylinder started leaking fluid. Luckily I noticed this issue before the level was too low. This is especially dangerous as this fluid is shared with the brake system so a loss of too much fluid could cause both a loss of clutch control and a loss of brakes. The vehicle was inspected by an independent mechanic and the issue was found. This issue is also very commonly reported on forums about the 2019 Corolla hatchback with a manual transmission.

Unknown.

The contact owns a 2024 Toyota Corolla. The contact stated that while driving at undisclosed speeds and decelerating, the vehicle was jerking abnormally. There were no warning lights illuminated. The vehicle was taken to the dealer however, the dealer was unable to determine the cause of the failure. The vehicle had not been repaired. The manufacturer was made of the failure and a case was filed; however, the contact had not received any communication from the manufacturer. The failure mileage was 27,000.

Clutch/transmission going out. Would not go into gear while driving ! turned car off then started it up again and regained function. Replaced entire clutch components back in July of 2022. Been driving manual transmission vehicles for over 20 years and never had an issue with clutch or transmission. Plenty of documentation of this issue on Toyota forum sites .

Engine coolant bypass valve becomes faulty at low mileage.

Driving up a slight grade, vehicle shuddered and then felt like it popped out of gear. Would not engage in any gear and now I am unable the shift into park or any other gear.

Vehicle has numerous electrical/mechanical issues that seem to stem from an autonomous learning remote sensor. The problems include, but are not limited to 1. Seatbelt sticking on driver’s side, problem resolves itself, possibly after someone has had a good chuckle on satellite watching the driver struggle to disengage the safely belt, 2. Trunk remotely popped at speeds ranging from 0 (park) to 70mph on highway, 3. Ignition light on and off, usually correctible by disengaging and reengaging battery lead, 4. Car shutoff and burglar alarm engaged while in park, again , correctible by disengaging and engaging battery lead, 5. Car gas gauge reading false on the light side ( less than e), then after disengaging and engaging battery lead, reverts back to 1/4 tank, 6. Clock time changed, presumably after vehicle shutoff and restarted in the middle of the night. Clock reset via auto computer, etc. All incidents are usually corrected by disengaging and engaging the battery lead, after a brief pause to reset the vehicle’s ecu.

See all problems of the 2021 Toyota Corolla 🔎.

The contact owns a 2011 Toyota Corolla. The contact stated that while driving at 20 mph, the accelerator pedal was released, and the vehicle made an abnormal sound. The check engine and traction control warning lights were illuminated. Additionally, the vehicle hesitated to accelerate while driving. The vehicle was taken to autozone, where it was diagnosed that the transmission valve body needed to be replaced. The vehicle was then taken to the dealer, where it was diagnosed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 86,000.

See all problems of the 2011 Toyota Corolla 🔎.

Corolla 2018, has 90k miles, reently, (3rd time already). Driving o freeway car reduced speed, and wont go over 40mph, although rpm goes high all the way to 4,000. Had to stop aside waitied 3 hours to see whats wrong, after engine was cold, dorove it home slowly on side streets, happened again wont go over 40mph, transmission became slippery and noisy, after couple of weeks, third time happened agintransmission noisy became very scary, called Toyota and they wont do anything bout it saying not under warranty, no recalls no voluntary repairs is associated with this VIN although all other model years were included. Car is useless now. No money for transmission repairs. Really bad. For a car considered mot reliable car in the world.

See all problems of the 2018 Toyota Corolla 🔎.

The contact owns a 2020 Toyota Corolla. The contact stated while driving, at any speed, as the contact depressed the brake pedal to stop the vehicle would stop, however when the contact depressed the accelerator pedal the vehicle would move backwards with a jolt before moving forward. The contact stated that the failure was intermittent but had become recurring failure. The contact stated no warning light was illuminated. Additionally, the contact stated that an abnormal buzzing sound was coming from the engine compartment. The contact had not taken the vehicle to a local dealer or independent mechanic. The vehicle was not diagnosed and was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 131,000.

I purchased my 2019 Corolla hatch manual new. Before even 9000 miles I started having transmission issues. I could not shift into first when the car was cold. It was like hitting a wall. I had to cycle through all the other gears before it would go back into first. I took it to Toyota. They were unable to replicate the issue. It happened so sporadically I asked the technician what would happen if I had transmission issues in the future since they were unable to witness the problem. He assured me that the issues were documented, and it would not be a problem at all. Now at 30000 I am having serious issues. The clutch is engaging late, it is chattering in first and second and there are metallic fragments in my transmission fluid. The entire transmission and clutch assembly is going to have to be replaced. Toyota is stating that it will probably not be covered by my warranty because the clutch is a wear item. I've driven a manual for decades. I've put over 100000 miles on a Toyota clutch I previously owned that still worked perfectly when I sold it. This issue is not a driver caused issue. The 2019 is notorious for transmission and clutch issues if you search any kind of forums. The automatic transmission was recalled; however, the manual owners are just up creek without a paddle because Toyota can claim it's all a wear issue caused by the driver. I have not received a decision from the warranty department yet, but I am pretty sure it is not going to be covered by the warranty. A car should not have transmission/clutch issues prior to 9000 miles and be at the owner's expense especially if it is documented.

My college son was driving down from orlando, and when he got here I took his/my car to my mechanic because the ac was not cold. I felt a hard shift when I put it in reverse, and when I started to drive the car to the mechanic, it didn’t feel right. They fixed my ac and I asked him to check the car as I was worried it did not feel safe to drive. They changed all the filters and did a complete transmission flush even though it was not due for 60,000 miles and there is less than 54,000 miles on this vehicle. They changed all the filters and upon doing the transmission flush my mechanic of 15 years found chunks of metal and shavings in the transmission pan. He took pics & told me my transmission was bad but it was an internal defect and I needed to take it to Toyota as there was no damage on the outside of my transmission, it’s pan, gasket or filter and there were no signs of any leak. He told me these cvt transmissions were a problem and there were a lot of ones not recalled, but there was a special service campaign jsd for 1. 3 million of these transmissions from Toyota. Toyota said my VIN number was not part of this special service campaign jsd but I found there were also 3400 recalls on the cvt transmissions from the Toyota hatchback. Toyota told me because my car was already out of warranty, even if it was a manufacturing defect, they were not responsible. I take very good care of my cars. I have two Toyota Corollas, both 2017 and now I am very concerned about the other one. I’ve been on a lot of Toyota forums and it seems there are so many othertoyota Corollas that don’t have many miles on them and all of a sudden they’re transmission has an internal defect. I brought it to the dealership and they simply said it needed to be replaced, that it was hard shifting when going into reverse and banging gears intermediately. They told me if I wanted to know what the defect was I would have to pay at least 15 hrs of labor to start. My son could have been killed driving it.

See all problems of the 2017 Toyota Corolla 🔎.

The contact owns a 2014 Toyota Corolla. The contact stated while driving 45 mph the vehicle in front of the contact made a complete stop. The contact attempted to brake, but the anti-lock brake system was not engaged. The contact also stated there was a sudden unintended acceleration which cause the contact to rear end the vehicle in front. No warning lights was illuminated. The air bags deployed. The contact sustained neck and lower back injury, facial burn, bloody nose and a chest contusion which the contact to sought medical attention. The vehicle was towed and deemed destroyed. A police report was filed. The contact notified the manufacturer of the failure. The failure mileage was approximately 86,000.

See all problems of the 2014 Toyota Corolla 🔎.

The contact owns a 2021 Toyota Corolla. The contact stated that while the vehicle was parked in the driveway and attempting to enter the vehicle to clean the interior of the vehicle, the vehicle rolled away going downward out of the driveway. Due to the failure, the vehicle tugged the contact while rolling away. The contact stated that the vehicle independently came to a stop in the middle of the roadway. The contact sustained back, feet, and injuries to both legs, requiring medical attention. A police report was not filed. The insurance provider retrieved the vehicle at the scene. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.

Bought this vehicle with 30k one week after the transmission went off and the dealer have to replace completely the transmission, almost two years later the transmission went bad again, now I don’t have any guarantee but two transmission in two year?.

Transmission malfunctioned on multiple occasions (would not go into gear). My safety was put at risk due to me not being able to move my car out of the road. Check engine light engaged at the time of the transmission failure.

See all problems of the 2022 Toyota Corolla 🔎.

I was at a red light. When the light turned green and I pressed the accelerator the car wouldn’t move. The check engine, charging system malfunction and electronic power steering system warning light appeared on dash. Car locked up. I moved car into neutral and then drive and car was able to move. Took it to dealer next day. Cars almost ran into the back of me! I had just turned on the street from I-85! so far it hasn’t been reproduced at dealer.

After vehicle is driven for approximately 15 mins or more and then comes to a long stop at a red light or drive thru line (while transmission is in drive and foot is on the brake), idle drops to 500rpm and car starts shaking as if it's about to die. Issue has been ongoing for years even before the fuel pump recall fix was performed but didn't start until around 25 thousand miles. Issue isn't the ac compressor cycling, it is not the secondary/auxillary cooling fans engaging, no check engine lights, no other symptoms. If it gets worse, it could cause the vehicle to completely stall in traffic posing a safety hazard. Shifting the transmission to neutral or park stops the issue. Shifting into neutral and then back to drive temporarily corrects the issue but then it re-occurs after at least 30 seconds or more. Many other 2017 and 2018 Corolla owners have reported this issue as well online and nobody has found the cause.

Problem 1 there is insufficient visibility of the road at night to drive the car safely. The local police officer helped me measure the distance of road visibility from the front of the car and it was 78 feet. At night with the lights on the top 3/4 of the windshield appears black (opaque) - cannot be seen through. I can only see through the bottom 1/4 of the windshield (left to right, the whole width). Problem 2 the transmission had to be replaced. Problem 3 the computer console only connects to the cell phone 25% of the time. This prevents the ability to use gps and emergency phone calling while driving. Toyota said there is no problem with the visibility, that the police is incorrect, and there is a known defect with the computer connecting to android phones (after they insisted it was fine). I've been a wreck over this - I don't feel safe driving the car, and can't drive it at night. Toyota has said there's nothing they are planning to do to address these issues, except perphaps there will be software fix for the console/phone connection problem someday. Fyi I have all the repair documents but didn't know how to scan/upload them here. So let me know if you need these, and perhaps some other way I could get them to you. If there is an email address I could send pictures of them. Or you could obtain these from lexington Toyota (lexington MA). There was also a driving video at nighttime, and I have a video/audio of the transmission womp womp noise, but didn't know how to get those to you either.

See all problems of the 2023 Toyota Corolla 🔎.

The contact owned a 2007 Toyota Corolla. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormal sound when the brake pedal was depressed. The contact stated that she came to a complete stop at a traffic light, and when she lifted her foot off the brake pedal, the vehicle sporadically accelerated. The vehicle crashed into another vehicle. The airbags deployed. The contact did not sustain injuries. The vehicle was deemed totaled by the insurance company. A police report was not filled. The vehicle was towed to a collision center. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was 120,000.

See all problems of the 2007 Toyota Corolla 🔎.

I bought a used 2022 Toyota Corolla le but it is showing corrosion on the hood. The left axle is vibrating over 40 mph when accelerating, confirmed by a mechanic. Toyota tells me the warranty expired at 36,000 miles, my car has about 36,800.

My car went into limp mode at high way speeds. The transmission is faulty. It feels like a misfire. The transmission does not shit out of 1st.

Dirivjg when all of a sudden the vehicle slows down and a light turns on, pressure solinoid wher out aswell as the sensor. Had to replace the transmisson, not the only one with this issue.