Coolant bypass valve failed at 52k miles.
2020 Toyota Corolla complaints
Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2020 record →
The contact owns a 2020 Toyota Corolla. The contact stated while driving at undisclosed speeds, the check engine warning light was illuminated and flashing. The contact stated that the vehicle was not accelerating above 30 MPH. The vehicle was taken to an independent mechanic where it was diagnosed with a rocker arm actuator system performance failure and several other unknown failures. The vehicle was not repaired. The contact discovered the Technical Service Bulletin: 0098-19; however, it was not verified if the vehicle was included. The manufacturer was not made aware of the failure. The failure mileage was approximately 119,000.
Check engine light is giving a false positive. There is something wrong with the coolant bypass valve. I checked online and this is not an isolated event.
My son and daughter in law moved from California to Georgia due to military duties in Hinesville Georgia. They drove their 2020 Toyota Corolla from California to Georgia. They paid the fee to obtain their 2024 registration sticker but got denied by the DMV in California due to a recall on this vehicle. My son took the vehicle to Chatham Parkway Toyota in Savannah Georgia to fix the recall. He received documentation that the recall has been fixed. My daughter in law took this documentation to the DMV and they said it was not sufficient, we needed to provide the original pink copy of the recall. Chatman Parkway Toyota never gave my son the original copy. Where can we obtain this so we can receive our registration sticker? Can you please help us out and contact Chatham Parkway Toyota to see if they even fixed the recall problem or not and why they did not give my son an original copy of the fixed recall situation. It has been a struggle to obtain the registration sticker when the recall was a problem. This situation has been very stressful due to an expired registration and not being able to drive u til we receive the correct sticker. Please help if you can. Thank you, [XXX] . [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
I own 2020 corolla le. It has 50k miles. There is a message that keeps coming up in the infotainment screen and hinders the navigation information especially when i am looking for directions and evey second counts and not being able to act when the exit appearscan cause an accident. The message is caused by a dcm failure. Toyota should never allow a message like that pop up every time on the navigation screen. It keeps saying “ device connected not supported “ every few seconds.
Engine coolant valve is broken. Part of power train as it cools circuits for the power train.
The wipers keep stopping during use. I have to switch speeds to get it running again. Very dangerous when raining.
The Engine Coolant Bypass Valve Short in the vehicle has malfunctioned. This appears to be widespread issue not only in the Corolla, but in the Camry and RAV4, and appears to affect model years 2019-2024. This issue caused coolant leakage, has the potential to cause issues with the engine, and affects the A/C/Heating systems as well. There were no warning signs prior to the failure, and the car had just passed a multi point inspection 4 days prior to the failure. The problem has been reproduced by my local Toyota dealership.
At 4 years and 1/2 old car 2020 Corolla XSE an Engine Maintenance Required SEE DEALER light turned on. Did diagnostic with OBD 2 scanner at two locations auto body shop and Uto zone. Nothing appears. It is in fact a NEEDED future recall since thousands if not more people have encountered the same. It is a Coolant By Pass Valve. Cost is only $99.53 + tax at dealer. Problem is that should be under warranty or extended warranty or recall. Dealer likes to charge $800 (180-200 for diagnostic, $110 part, $400 labor. Part only takes 30 minutes to install. I should be able to buy at dealer for $110 and have them install for free or pay 30 minutes of work time = $85. 1 hour is about $175. So instead of trying to be billed $800 I should only be billed for $85 labor (30 minutes) + $110 part = Brand total of $105 USD. My daughter [XXX] and I, [XXX] (dad) bought the car at Longo Toyota El Monte, CA 91731. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Coolant bypass valve failure. Dealer (Atkins Kroll, Toyota Guam) is conveniently charging me over $600 for repair for a common issue for vehicles of this generation.
Engine maintenance repair On display vehicle not in motion on radio screen
Known issue in certain Toyota models and years that the coolant bypass valve fails causing a "Engine Maintence is Required. See Dealer." Toyota is well aware of the issue but has yet to fix the problem as driving with a failed coolant part for too long could cause overheating.
My engine maintenance required screen came on in my car. When I ran the diagnostic, they stated that the coolant bypass valve needs to be replaced in order to prevent the engine from overheating. This seems to happen on all of the 2020 and 2021 Toyota Corollas.
An engine maintenance required popped up in the vehicle and was unable to be removed Took the vehicle to get checked at a Toyota dealership and they advised it was the coolant valve bypass was faulty
Maintenance required please see dealer message pops up and cannot be dismissed. Coolant sensor bypass valve is damaged.
Warning display message “Engine Maintenance Required Visit Your Dealer”. After diagnostic at the dealer, coolant bypass valve failed and needed replacement with hefty, almost $900.00 for parts and labor cost. Did research online, and it seems that more vehicles from the year 2020-2021 have experienced the same issue at 30-55k miles, my car is on 106k miles. Please do a recall for this issue and extend warranty to $200k miles. This car should not have this sort of issue!
Engine coolant bypass valve issues under 70k miles
The engine coolant bypass valve needed replacement at around 70,000 miles. Similar replacement have been needed in other corollas models of the same year.
The windshield wipers seize up. On the intermittent setting, instead of wiping every few seconds they sometimes wipe 3 times in a row and then stop in the middle of the windshield sometimes obstructing my view. They sometimes start back up on their own and sometimes are stuck there until I switch to a higher speed and lower speed for the windshield wipers. It becomes a game of trying to restart them while driving while it's raining. It's dangerous.
Engine maintenance required light comes on and it wont go away. Happened around 65000 miles. It is cracked engine coolant bypass valve. It is happening to all toyota corolla 2020s. Dealer is asking $1200 to fix it.
The "Engine Maintenance Required, Visit Your Dealership" is displayed. The oil has been changed and tried to reset the warning as it states in the owners manual but it wont reset.
Engine coolant bypass valve failed at 36,981 miles.
Dashboard stated engine maintenance required- visit your dealer and it turned out to be a bypass coolant valve malfunction per Toyota mechanic specialists.
I was in a car accident where someone hit us at a high speed from behind. Unfortunately the air bags malfunctioned resulting in my face being busted on the front dash. The car gave me a malfunction warning when they didn’t deploy
Experience with a faulty Coolant Bypass Valve. Read enough information of this being a problem with newer toyotas (RAVs, Camrys, Corollas, etc.). Cannot get rid of Engine Maintence Required notification on dash which pops up every 10 seconds when I’m driving after I dismiss it. This specific notificaiton is also NOT in the Toyota Manual whatsoever, and no it is not the Maintenance Service Required notification that comes up every 5,000 miles for basic check up.
Engine maintenance required People on internet saying that i need to change the coolant bypass valve
“Engine Maintenance Required Visit Dealer” keeps popping up despite engine being fine. Another scan by my mechanic determined that the cooling bypass valve is having an issue/keeps getting stuck and triggering the maintenance alert to keep going off.
Engine coolant bypass valve becomes faulty at low mileage
My 2020 Toyota Corolla had a warning light turn on, on 3/20/2024. The warning read "Engine Maintenance Required". I looked up this issue and read that many people were having similar issues with the coolant bypass valve. I took my car to my local Toyota dealership and they confirmed it was the coolant bypass valve. The risks included in this failure can be overheating and engine damage.
I purchased my vehicle new in 2020. I am currently at 74,000 miles and noticed my engine maintenance required light come on although I received an oil change service two days prior. It’s a different message from the routine maintenance. I got it checked out at Toyota today and the “engine coolant bypass valve” needed to be replaced. When I looked into it I noticed the 2020 Camry and 2020 rav 4 were recalled for the issue and repaired for free. However my model Toyota Corolla was not recalled and I had to pay $700.82 to get it replaced at Toyota today.
Had my car (Toyota Corolla 2020 SE) give a “engine maintenance required, take to a dealer” error message on my digital dashboard. No error codes from any maintenance device but apparently only the Toyota dealership can find this in the software using their computers to find it somewhere deep in there… The problem is the upper engine coolant bypass valve. This is costing me almost $1000 including the $80+ in diagnostics that ONLY the Toyota dealership can see and find out. Apparently this is a very common occurrence with the 4 cylinder corollas and RAV4s.
Engine Coolant Bypass Valve replacement , Toyota is charging me 888 dollars for repair.
Wipers randomly stall mid-cycle when in use, speed settings are inconsistent and sometimes fail to function at all.
The fuel gauge suddenly malfunctioned giving a false reading of the amount of fuel remaining in the tank. A technician said that the problem seems to be with the sending unit in the tank. I use top tier gas and the car has only about 29,800 miles. The fuel gauge continues to malfunction and could be a generic design flaw. Safety could be put at risk if the vehicle ran out of fuel while driving in traffic. There were no warning lights, messages or other symptoms of the problem prior to the failure.
I discovered that my 2020 Toyota Corolla SE has a Coolant Valve Bypass malfunction coded "p2688115". I have also discovered this a prevalent issue after you hit 70,000 miles. There are forums all over the internet with complaints about the same issue as mine. I did some research and found no recalls. With this being such a common issue for no reason, faulty equipment. The car has been inspected by a Toyota dealer in Bradenton, FL because we had thought the service vehicle message was for a tire rotation. They scanned the vehicle and discovered the fault code "p2688115" after trying to reset it numerous times. The senior tech was the one who scanned it. He knew the exact reason why it was not clearing before scanning the vehicle. He only scanned it to solidify his hypothesis. I then spoke to the service team, they wanted me to bring it in for a diagnosis that would cost $85.00 if my warranty did not cover it. The cost of the part was estimated at around $150.00 plus labor and taxes. It was over a $400.00 repair. For a repair as such, this needs to be recalled. The warning message never went away, if you tried to clear it to view the screen you had about three seconds before it came back on. It is a major safety risk for those who wear glasses and drive at night. I use the screen to keep myself safe and maintain my driving speed. This warning message came on around 70,000. Some so many other individuals have experienced and complained about the same problem. This needs to be es
Coolant bypass valve leaks through wiring and damages itself.
After I had brought a my car to the dealer for its oil change and tire rotation, a warning message came from my car saying "Engine Maintenance Required". After checking with my dealer, they said that the coolant bypass valve needed to be replaced. After checking online, it seems that this is a common problem for recent Toyota vehicles.
After bringing my vehicle in for its oil change and tire rotation, a warning message showed up from my car saying "Engine Maintenance Required". After checking with my dealer, they said that the coolant bypass valve needed to be replaced. My car only has 33,000 miles and has had no issues whatsoever.
Toyota 2020 COOLANT BYPASS VALVE Circuit Short.
Coolent bypass valve
Electrical issue on vehicle says that vehicles safety features are unavailable and all the light indications on the dash are lit up. It was taken to the dealership several times but the issue still hasn’t been resolved.
Coolant bypass valve bad cost $550+ to fix car is 4 years old
The system belt sensor kept beeping even though I have on seat belt
The contact owns a 2020 Toyota Corolla. The contact stated while the vehicle was parked, the gear shifter was shifted to drive and then reverse, but the vehicle failed to respond as needed. No warning light was illuminated. The vehicle was towed to the dealer and a diagnostic test was performed. The vehicle was diagnosed with a locked cylinder. The dealer stated that there was recall for the failure however, the vehicle had exceeded the mileage limitation. The vehicle was repaired. The contact referenced NHTSA Campaign Number: 19V544000 (Electronic Stability Control, Service Brakes) as a possible solution to the failure however, the VIN was not included in the recall. The manufacturer was not made aware of the failure. The approximate failure mileage was 90,249.
There is a thing that’s happening to a lot of Corollas and I think RAV4 and some cram it’s called engine maintenance required and a lot of mechanics don’t know what that means so you have to take it to the dealership to get it fixed and it’s like a $900 fix and it’s been happening to a lot of vehicles around 35,000 miles. It’s called the coolant bypass valve. There is hundreds of YouTube videos about it and people complaining about it on forums.
The coolant bypass valve in some Toyota models has been malfunctioning recently and has become a common issue. Dealer confirmed that this was the issue per attached diagnostic report/invoice copy. Costs were >$800 to repair the issue for a <$100 part and 30 minutes of labor. The "Engine Maintenance Required" warning was visible in the display. Unsure as to the short or long-term effects of this malfunctioning part, but as it's related to the cooling system of the vehicle, it may trigger other more serious issues.
Around 40k miles I received an Engine Maintenance Required warning. After some research Engine Maintenance and Engine Service Required are two very different indicators. I received and P2681 code meaning the electrical coolant bypass valve had failed unfortunately one can’t tell if it’s stuck shut or open this could lead to one’s care over heating and or damaging one’s engine. After some research I’ve come to find out most 2020-2024 corollas have been having this issue tends to happen about 30-50k miles
Precollision System Malfunctioning and Hybrid System Malfunctioning warning signs on dashboard won’t allow the car to move or driven at all. I read reviews where people with the same warning signs on dashboard got their car stalled in the middle of the road. My vehicle only has 81,000 miles on it and Toyota dealership warranty states it’ll cover the vehicle up to 150,000 miles EV hybrid but now they are stating the car is not under warranty
Unknown, I can send photos. it comes with new Toyota Description of Complaint Please provide a narrative which describes the problem(s) or concern(s) you are having with your vehicle. Toyota put a cheaper, lower quality tires for my car, it damaged my front bumper when we go curve roadon CA state. I asked Toyota for warranty bumper 2020, they said "you made it". After I replace the badtires with Costco tires, no more bumper issue as before, so I know the reason. I , Costco tire service made3 parties to Tire Inc Yokohama. Yokohama agreed to refund, but need go with Toyota, Toyota rejected.First tire was down March 16, 2020 with 797 miles, the second down June 22, 2020 with 1608 miles, thirdtires down Dec 17, 2020 with just 2745 miles and 4th tire down 12225 miles on April 14, 2023.Specific Arbitration Defect(s) Please summarize the specific defect(s) you would like Arbitrator to address. Please be as succinct aspossible. When I purchased, I asked the Hamer Toyota, "Are your tires good? I saw online people claimed Toyotaput bad quality, cheaper tires on new cars", the selling man said"No, they are good as cars, online mightbe posted by Honda or others". I said"if bad, you will refund me tires cost". He said "Of course". I can email you more documents and photos. Yokohama agreed to refund, but need Toyota to refund, it comes with 5 years warranty. But Toyota did not refund me. Thanks.
Coolant bypass valve failure. Replacement part carried the same defect.
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NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.
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