2019 Toyota RAV4

My 2019 Toyota RAV4 Hybrid (VIN: [XXX] ) suffered sudden engine failure due to coolant intrusion. On Nov 20, 2025, Johnstons Toyota in Harriman, NY (RO#XXX) diagnosed the issue and recorded DTCs P26CA31 and P26CB, which indicate failure of the coolant flow control/bypass valve. The dealer confirmed heavy white smoke from the exhaust with a strong coolant smell and advised the engine had failed, recommending a replacement. This vehicle is part of the early 2019 Japan-built batch widely known for premature electric water pump and coolant-flow system failures. Internal impeller swelling, seal leakage, and bearing seizure can cause coolant pressure spikes and ultimately head-gasket failure with coolant entering the cylinders. This defect has been reported by thousands of RAV4 Hybrid owners (2019–2021). Toyota has addressed it quietly through internal TSBs such as XXX and XXX but no public recall has been issued. The safety risk is severe: the engine began emitting thick white smoke and ran roughly, risking sudden power loss, overheating, or engine seizure while driving. A stall at highway speed could easily cause a collision. Toyota USA opened Case #XXX but declined assistance despite the defect being well documented. This failure was sudden, with no warning lights prior to the incident. Given the widespread nature of this defect and its clear safety implications, I request that NHTSA open a formal investigation into the electric water pump/coolant system failures in 2019–2021 Toyota RAV4 Hybrids and consider requiring a safety recall. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Stopped for gas on 11/6/2025 immediately after getting gas the truck shook twice, the power steering light and engine shut down light came on and the truck turned off. Waited for a few minutes to turn the engine again it wouldn’t start. Got it towed to my nearest dealership who kept it for a day. Said there was nothing wrong with the truck, there was no code showing and they couldn’t determine the cause of the problem.

I stopped for gas; my car would not start. The power steering fluid light came on. I went inside to purchase some but when I returned to the car, there was no place to pour it. After a few minutes the car started. About a month later, my husband stopped for gas and the car killed right after he left the gas station, about 10 minutes later, it started. Took it to a mechanic, they couldn't find anything wrong with it because the check engine light wasn't on and the car wasn't giving any problem codes. About two weeks ago, I stopped for gas, the car wouldn't start. Finally got it started, and the check engine light came on. However, it's still not reading any codes.

The car transmission hesitates to accelerate at slow speeds and jerks or lurches forwards in a uncontrollable way. Dangerous at stop signs or on slow or hilly roads. Dealership does not directly acknowledge this issue, despite mechanic mentioning very clearly it is related to T-SB-0107-19 which Toyota dealerships charge to repair. No warning messages. Issue has existed as long as I have owned the vehicle 1.5 years from 61,000 miles to 71,000 miles.

2019-2023 model year Toyota RAV4s and Toyota Corollas are equipped with defective coolant bypass valves prone to premature failure which can cause coolant to leak out of a vehicle’s closed-loop coolant system, harming its ability to properly regulate engine temperature. 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. The warning message that common appears for this issue is "Engine maintenance required Visit your dealer "

The engine maintenance light came on and I took the car to my independent mechanic. The "soft code" indicates that the coolant system valve/hose (engine coolant bypass valve) is showing in the closed position when it should be open. My mechanic has tried to order a replacement part, but is having trouble finding one. After my personal research, I see that there is a Class Action Lawsuit regarding this part from 2024 indicating that it can cause the car to overheat, stall, and potentially severe engine damage. Toyota has no formal recalls on this, but it has been indicated that some owners have received support from Toyota on models built up to 2021.