Known issue and reported by many others. Coolant bypass valve needs to be replaced around 30,000 to 50,000 miles. Occurs when turning on AC. Engine maintenance required sign pops up and cannot remove which does not allow driver to see speedometer leading to unsafe driving speeds.

- Brooklyn, NY, USA

Coolant Bypass Valve Defect. Toyota sold me a 2019 RAV 4 knowing there are problems with coolant bypass valve. Toyota RAV4s and Corollas is -??insufficiently manufactured and/or designed-?? as it can crack and leak coolant. Once a leak begins, the coolant comes into contact with an electrical connector near the valve and corrodes and damages the component, the filing says. Once this occurs, a vehicle-??s engine can no longer communicate with the coolant bypass valve during operation, the suit states.

- Tucson, AZ, USA

A -??Engine Maintenance Required-?? notification came up on dash boards. When car was taken to dealership and a diagnosis was made they stated that the engine coolant bypass valve was damaged and needed to be replaced. Upon research online it appears that Toyota would be recalling over 44,000 vehicles of the makes RAV4 and Corolla ranging from the manufacturer years 2019-2023. The issue with these vehicles states that potential of a crack forming in the engine, a result of a manufacturing error. Coolant or oil could leak from the crack, leading to the engine stalling, overheating, or possibly catching fire. This issue can be found within several articles. The dealership is wanting me to pay $787+ tax for an issue that appears to be a manufactured issue which later I may not be refunded.

- Sunrise, FL, USA

A message popped up on my dash "Engine Maintenance Required - See Dealer". After further research this is a known issue with the Toyota Rav4s. The coolant bypass valve gets stuck open/closed. I took it into Toyota and before they even looked under my hood, he read the message on the dash and said "I know what it is". After paying $742.16, it was fixed. My local mechanic was not aware of this issue, so I had to go through Toyota directly. If someone cannot afford $700-$1,000 repair, they risk their engine overheating. Toyota is aware of this issue and they have not recalled this part in their vehicles that is consistently failing.

- Fort Worth, TX, USA

Toyota RAV4 2019, Coolant Bypass Valve issue. The car began displaying the message -??engine maintained required visit dealer-??

- Murfreesboro, TN, USA

my Toyota RAV4 2019, At around 44500 miles a messaged started to showing up, message was "Engine Maintenance Required" "Visit your Dealer", the message cannot be disregarded, it blocked important part of the dashboard. No other warning light or failure lights were on. Upon taking the vehicle to the Dealer, agent mentioned it could be a non reseted counter for the regular 5000 miles next service reminder, however such maintenance wasn't due, after check by additional person, technician and scan, it turned out to be the bypass valve sticking, code found P268115 and suggested repair for around $900, since vehicle is no longer under the limited warranty cost would have to be covered by the client. Agent told has to be done other wise cooling system for the engine could be at fault causing overheating, and ended up on a mayor engine failure by overheating. It doesn't seem to be a normal failure found on the users manual, hence could be a possible manufacturing fault which Toyota is not covering.

- Los Angeles, CA, USA

Engine maintenance is required sign when AC is on.

- Chattanooga, TN, USA

An -??Engine Maintenance Required-?? signal came on my dash and turns out the coolant bypass valve needs to be replaced. Come to find out almost everyone else with this car has the same problem around 50,000 miles. I bought this car used and have had it for less than a week and the repair is at least $600. Super disappointed.

- Mesa, AZ, USA

I got a check engine light p2681 for coolant bypass valve open. I have a scanner and I work for Lithia Dodge of Billings, MT. Upon some research online, many more people all have the same part going bad because of the same defective part going bad. Dealers are charging anywhere between $600-$900 to fix this defect. With so many defective valves going bad across the United States, this should be a recall.

- Billings, MT, USA

"Engine Maintenance Required Visit Your Dealer" warning that would not clear for a defective coolant bypass valve. No way to know that this was the issue without taking the vehicle to the dealer. Car began to overheat presenting a danger when driving distances to myself and other drivers.

- La Jolla, CA, USA

Engine maintenance required, visit your local dealer warning light would not turn off. This in itself is a safety issue as it is distracting and disables on screen speed, miles left until empty, and other helpful driving information from being displayed in view. Visited dealer and was told COOLANT BYPASS VALVE was defective and that continuing to drive the vehicle without replacing could cause blown head gasket and engine failure. Researched issue and came upon numerous threads including several Reddit threads explaining and detailing the severity and widespread issue that this is for regularly maintained RAV4s. This should be a recall.

- Jupiter, FL, USA

Engine maintenace required sign coming up on dashboard.

- Vauxhall, NJ, USA

"Engine maintenance required" warning light came on and unable to bypass at all, leaving driver unable to read odometer or speedometer while driving. Had to go to the dealership 2 days in a row before they finally addressed the warning. Service staff informed this is indicating the coolant bypass valve is damaged or has failed. Also informed that this is a very common issue regardless of location, mileage, or usage of vehicle and will happen to all RAV4 owners of certain years eventually. A quick google search will show this is an extremely common issue and a result of using inferior quality parts in manufacturing. Toyota should recall this issue asap and reimburse drivers as many people have had the same problem. Had to pay over $600 at dealership to address issue that Toyota's manufacturing caused and to be able to have full usage of vehicle again. This is a dangerous issue if drivers without financial means to address this problem are driving without being able to use their vehicle display tools among other issues regarding the engine.

- Beverly Hills, CA, USA

Engine coolant valve by-pass issues. Engine coolant bypass hose fails.

- Miami , FL, USA

"Engine Maintenance Required See Dealer" message keeps appearing on my bashboard took it to my local Toyota dealer and they confirmed the problem is the coolant bypass valve/hose $150 to find the find the problem and $700 to fix apparently this is common in 2019-2022 RAV4s. Now my car won't drive for long without over heating I have only had my car for a year and a half and drive less than 5,000 a year.

- Chicago, IL, USA

-??Engine maintenance required-?? maintenance light on dashboard. Very common issue within RAV4s. This message blocks the odometer on the dashboard when visible. It shows warning lights on the display as well. The part that needs replacing is a -??coolant bypass valve-??. My dealer wanted nearly $1000 to replace this part, and told me this part was on back order nationwide. My car begins to overheat after 1.5 hours of driving. The dealer said to pull over when operating my vehicle and it begins to overheat. This problem is an inconvenience as I commute to work in a busy city. This problem was first presented last week after my scheduled oil change with my local dealer. The next day (5/17/2024) the light came on my dashboard-?"unable to be removed. I first brought it into the dealer for a diagnostic on 5/20/2024, this is when they diagnosed a coolant bypass valve. I brought it back to the dealer today (5/23/2024) to have the part replaced, and was told it was on back order. I am afraid to operate my vehicle for long periods of time due to this issue. It has become a major inconvenience in my personal life this week, causing me to call out of work twice. This needs to be addressed by Toyota immediately.

- Atlanta , GA, USA

Engine maintenance required warning notice came on. Researched showed this to be a failure of the coolant bypass valve. It is a well known and documented problem with can lead to the engine overheating and seizing. Called dealership and they were well aware of issue and wanted $1,100. to repair. My car only has 46K miles on it. Toyota should issue a recall.

- Watauga, TX, USA

A warning notice displayed on my vehicle indicating that "engine maintenance required" "visit your dealer". The warning message will not clear from the display. A certified auto mechanic downloaded the code which indicated that the issue was a failed Coolant Bypass Valve. This part is a known and frequent issue with Toyota's and there is such a high demand for this part that it is on backorder nationwide. The earliest that this part is available may be July or later. TSB #TTT069922 has been issued regarding this prevalent issue. This problem directly impacts air conditioning performance. Due to the long wait for the part, air conditioning will not cool to the level needed for the long hot summer ahead. Toyota should consider issuing a recall for this problem.

- Lexington , KY, USA

At 73,000 miles the "engine maintenance required" warning light came on indicating the coolant bypass valve is damaged or has failed. A quick google search will show this is an extremely common issue and a result of using inferior quality parts in manufacturing. Toyota should recall this issue asap as many people have had the same problem.

- Rossville, IN, USA

Coolant Bypass Valve failure with only 27000 miles

- Chico, CA, USA