NEOZEROAUTO Engine Coolant Bypass Valve & Hose Assembly Replacement
Is your Toyota or Lexus displaying the message "Engine Maintenance Required Visit Your Dealer"?
This is a common issue with modern Toyota hybrid vehicles equipped with the A25A-FXS engine. It is often caused by the electronic failure of the Coolant Bypass Valve, triggering the Diagnostic Trouble Code (DTC) P268115.
The NEOZEROAUTO 16260-F0020 replacement assembly solves this circuit issue, clears the check engine light, and restores proper coolant flow management to your engine.
Direct Replacement for Part Numbers:
16260-F0020
16260-F0021
Vehicle Compatibility List (2.5L A25A-FXS Hybrid Engines Only):
Compatible with Toyota:
Camry Hybrid: 2018, 2019, 2020, 2021, 2022, 2023, 2024 (AXVH70, AXVH7#)
RAV4 Hybrid: 2019, 2020, 2021, 2022, 2023, 2024 (AXAH54, AXAL54)
Avalon Hybrid: 2019, 2020, 2021, 2022 (AXXH50, AXXH51)
Highlander Hybrid: 2020-2024
Compatible with Lexus:
ES300h: 2019, 2020, 2021, 2022, 2023, 2024 (AXZH10, AXZH1#)
NX250 / NX350h: 2022+ (AAZH20, AAZH25)
Symptoms of a Bad Valve:
1. "Engine Maintenance Required" message on the dashboard.
2. Check Engine Light is ON.
3. Code P268115 or P2681 stored in ECU.
4. Engine running hotter than usual (in rare cases).