2022 Toyota Corolla: engine overheating

Filed Sep 3, 2026 · Electrical, Engine · TX

I am reporting a severe safety defect regarding a failed engine coolant bypass valve on my 2022 Toyota Corolla Apex SE (VIN: [XXX], Mileage: 54,700). An authorized Toyota dealership has scanned the vehicle and confirmed active Diagnostic Trouble Code (DTC) P268115 ("Engine Coolant Bypass Valve Circuit Open"). This mechanical and electrical failure triggers an immediate dashboard warning and creates an imminent risk of sudden engine overheating, thermal engine damage, and catastrophic loss of motive power (stalling) while traveling at highway speeds, placing myself and other motorists at risk.Toyota is fully aware of this widespread defect and issued Customer Support Program (CSP) 24TE04 to extend the warranty on older models (2019–2021) for 10 years or 100,000 miles due to high part failure rates. However, my February 2022 vehicle was factory-equipped with the exact same defective, un-superseded valve part number, yet Toyota has arbitrarily excluded my vehicle from free repair based solely on its calendar production date.Furthermore, Toyota's corporate office has denied goodwill coverage because I am a secondhand owner without previous maintenance records, despite this being a sealed electrical actuator failure completely unrelated to routine maintenance. I am a [XXX] senior citizen living on a fixed Supplemental Security Income (SSI) budget. Toyota's denial forces an elderly, low-income consumer to either navigate a hazardous, stalling-prone vehicle on public roads or lose essential transportation because an arbitrary corporate policy places a $1,045 manufacturing defect repair entirely out of financial reach. I urge the federal safety agency to audit Toyota's exclusion parameters for CSP 24TE04. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Mar 30, 2026 · Engine · VA

The component that failed is the coolant bypass valve, which is part of the engine cooling system. The vehicle is available for inspection upon request. The issue was first indicated by an "Engine Maintenance Required" warning message that appeared on the dashboard. No prior symptoms were noticeable before the warning appeared. The warning came on suddenly during normal driving conditions. This failure poses a potential safety risk because the coolant bypass valve regulates engine temperature. If it malfunctions, it may lead to improper engine cooling, overheating, reduced engine performance, or sudden breakdown while driving. This could increase the risk of being stranded in traffic or experiencing a hazardous situation on the road. The problem has been diagnosed and confirmed by an authorized Toyota dealership, which identified the coolant bypass valve as failed and in need of replacement. The dealership provided a repair estimate of $775 prior to taxes and fees. The manager shared that it would be around $890+ after it is all calculated. The vehicle has not been involved in any accident related to this issue, but the malfunction was verified through dealer inspection. No police or insurance reports were filed, as this was a mechanical failure. Based on personal research, this appears to be a widespread issue affecting similar Toyota vehicles, including other Corollas and RAV4 models, where the same component has failed under similar conditions. In some cases, repairs have been covered by the manufacturer, indicating awareness of the issue. There are many groups on Facebook and Reddit where customers with the same make and model 2022 Toyota Corolla SE have had the same issue after 3 years of having the vehicle. In summary, while driving under normal conditions, the warning message appeared without prior indication. The dealership later confirmed that the coolant bypass valve had failed and required replacement.

Filed Oct 1, 2025 · Engine · CA

The radiator had a severe pin hole in several veins causing coolant to leak out and making the car overheat. The overheating seems to happen over a long distance drive jeopardizing my safety and family. To prevent futher damage to the car and my safety. Yes. I have to wait for hours on the side of the highway for hours-to let the car cool down and add recommended coolant for the car. The vehicle was inspected by TOYOTA of San Louis Obispo. 09/29/25. I am not certain if the vehicle was inspected by the manufacturer but the service repair was done @ Toyota dealersip. The temperature or the coolant gauge moved erratically.

Filed Jun 26, 2025 · NV

Toyota defectively designed and/or manufactured coolant bypass valves ("the Defect") that prematurely fail. When the Defect manifests, coolant leaks out of the closed-loop coolant system. This adversely impacts the ability of the coolant system to properly regulate the temperature of the engine, and can lead to engine overheating, stalling, increased emissions and catastrophic engine failure. In addition, the leaking coolant can leak into the surrounding engine components, including the electrical system, and damage those components. The leaking coolant can also corrode the sensor on the coolant bypass valve, which causes it to remain stuck in the "open" or "closed" position and thus impedes its ability to properly direct coolant throughout the engine, thereby impeding the ability of the engine to operate within the appropriate parameters. When the Defect manifests, it also causes a message to appear on the dashboard over the speedometer, which states: "Engine Maintenance Required" and "Visit Your Dealer." The message cannot be dismissed or otherwise removed from the dash of the Class Vehicle by the operator of the Class vehicle, and instead must be brought to a dealership or to a mechanic. The message is distracting and obscures a significant portion of the speedometer. blocks other important, safety-related messages that are intended to display in the same area of the dash occupied by the message. Cars system reads “engine maintenance required” due to coolant bypass valve, car is only at 42,000 (6,000 miles past warranty) was told it’s not covered under powertrain warranty and was charged almost $1000 to get it fixed

Filed Jan 11, 2024 · Brakes · AZ

Brake rotors have warped twice in less than 50,000 miles. Brakes also become easily overheated a brake fade occurs if diving in hilly/ mountainous terrain.

Filed Dec 14, 2023 · Brakes · CA

Overheating rotors, had to replace brakes twice in less than 2 years. This can cause an accident.

Filed Jul 10, 2023 · Electrical · GA

Rear USB port was not working properly. Very first time an apple USB cable connected, it overheats and smokes and cable melts. Tried a second apple cable its also burnt. At the dealership tech reported high power output at the USB port. Dealer replaced USB port under warranty.