Coolant bypass valve failure triggering engine warning
POWER TRAIN, ENGINE
6 NHTSA complaints · 2024-09 → 2026-07
“Bypass coolant valve for the engine needed replacement, multiple other Toyotas within the year range needed the same fix right after warranty ended at a specific mileage. Was told my engine would fail if not addressed or fixed”
“On [XXX] at [XXX], my 2022 Corolla Cross popped up with the message “Engine Maintence Required Visit Your Dealer.” I sat on the phone with Toyota for an hour and a half scheduling and asking for help”
“Car is 76000 miles , I just purchased the vehicle however coolant bypass valve decide to make car say Engine maintenance require even after having it serviced for an oil change. After I replaced the valve , now the pop up Engine maintenance light did not pop up after that”